[gentoo-commits] proj/linux-patches:4.19 commit in: /

[Mike Pagano]

commit:     598ad5bdcb5346e952e480a99a53f2b9157112d0
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri May 31 15:02:12 2019 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri May 31 15:02:12 2019 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=598ad5bd

Linux patch 4.19.47

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README              |    4 +
 1046_linux-4.19.47.patch | 9410 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 9414 insertions(+)

diff --git a/0000_README b/0000_README
index 87c4eaf..0c0cd1a 100644
--- a/0000_README
+++ b/0000_README
@@ -227,6 +227,10 @@ Patch:  1045_linux-4.19.46.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.19.46
 
+Patch:  1046_linux-4.19.47.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.19.47
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1046_linux-4.19.47.patch b/1046_linux-4.19.47.patch
new file mode 100644
index 0000000..645af41
--- /dev/null
+++ b/1046_linux-4.19.47.patch
@@ -0,0 +1,9410 @@
+diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt
+index 3c6fc2e08d04..eeb3fc9d777b 100644
+--- a/Documentation/arm64/silicon-errata.txt
++++ b/Documentation/arm64/silicon-errata.txt
+@@ -58,6 +58,7 @@ stable kernels.
+ | ARM            | Cortex-A72      | #853709         | N/A                         |
+ | ARM            | Cortex-A73      | #858921         | ARM64_ERRATUM_858921        |
+ | ARM            | Cortex-A55      | #1024718        | ARM64_ERRATUM_1024718       |
++| ARM            | Cortex-A76      | #1463225        | ARM64_ERRATUM_1463225       |
+ | ARM            | MMU-500         | #841119,#826419 | N/A                         |
+ |                |                 |                 |                             |
+ | Cavium         | ThunderX ITS    | #22375, #24313  | CAVIUM_ERRATUM_22375        |
+diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
+index 9ecde517728c..2793d4eac55f 100644
+--- a/Documentation/sysctl/net.txt
++++ b/Documentation/sysctl/net.txt
+@@ -92,6 +92,14 @@ Values :
+ 	0 - disable JIT kallsyms export (default value)
+ 	1 - enable JIT kallsyms export for privileged users only
+ 
++bpf_jit_limit
++-------------
++
++This enforces a global limit for memory allocations to the BPF JIT
++compiler in order to reject unprivileged JIT requests once it has
++been surpassed. bpf_jit_limit contains the value of the global limit
++in bytes.
++
+ dev_weight
+ --------------
+ 
+diff --git a/Makefile b/Makefile
+index 5383dd317d59..b3ba28ff73d5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 46
++SUBLEVEL = 47
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
+index 07e27f212dc7..d2453e2d3f1f 100644
+--- a/arch/arm/include/asm/cp15.h
++++ b/arch/arm/include/asm/cp15.h
+@@ -68,6 +68,8 @@
+ #define BPIALL				__ACCESS_CP15(c7, 0, c5, 6)
+ #define ICIALLU				__ACCESS_CP15(c7, 0, c5, 0)
+ 
++#define CNTVCT				__ACCESS_CP15_64(1, c14)
++
+ extern unsigned long cr_alignment;	/* defined in entry-armv.S */
+ 
+ static inline unsigned long get_cr(void)
+diff --git a/arch/arm/vdso/vgettimeofday.c b/arch/arm/vdso/vgettimeofday.c
+index a9dd619c6c29..7bdbf5d5c47d 100644
+--- a/arch/arm/vdso/vgettimeofday.c
++++ b/arch/arm/vdso/vgettimeofday.c
+@@ -18,9 +18,9 @@
+ #include <linux/compiler.h>
+ #include <linux/hrtimer.h>
+ #include <linux/time.h>
+-#include <asm/arch_timer.h>
+ #include <asm/barrier.h>
+ #include <asm/bug.h>
++#include <asm/cp15.h>
+ #include <asm/page.h>
+ #include <asm/unistd.h>
+ #include <asm/vdso_datapage.h>
+@@ -123,7 +123,8 @@ static notrace u64 get_ns(struct vdso_data *vdata)
+ 	u64 cycle_now;
+ 	u64 nsec;
+ 
+-	cycle_now = arch_counter_get_cntvct();
++	isb();
++	cycle_now = read_sysreg(CNTVCT);
+ 
+ 	cycle_delta = (cycle_now - vdata->cs_cycle_last) & vdata->cs_mask;
+ 
+diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
+index 1b1a0e95c751..8790a29d0af4 100644
+--- a/arch/arm64/Kconfig
++++ b/arch/arm64/Kconfig
+@@ -479,6 +479,24 @@ config ARM64_ERRATUM_1024718
+ 
+ 	  If unsure, say Y.
+ 
++config ARM64_ERRATUM_1463225
++	bool "Cortex-A76: Software Step might prevent interrupt recognition"
++	default y
++	help
++	  This option adds a workaround for Arm Cortex-A76 erratum 1463225.
++
++	  On the affected Cortex-A76 cores (r0p0 to r3p1), software stepping
++	  of a system call instruction (SVC) can prevent recognition of
++	  subsequent interrupts when software stepping is disabled in the
++	  exception handler of the system call and either kernel debugging
++	  is enabled or VHE is in use.
++
++	  Work around the erratum by triggering a dummy step exception
++	  when handling a system call from a task that is being stepped
++	  in a VHE configuration of the kernel.
++
++	  If unsure, say Y.
++
+ config CAVIUM_ERRATUM_22375
+ 	bool "Cavium erratum 22375, 24313"
+ 	default y
+diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
+index ae1f70450fb2..25ce9056cf64 100644
+--- a/arch/arm64/include/asm/cpucaps.h
++++ b/arch/arm64/include/asm/cpucaps.h
+@@ -51,7 +51,8 @@
+ #define ARM64_SSBD				30
+ #define ARM64_MISMATCHED_CACHE_TYPE		31
+ #define ARM64_HAS_STAGE2_FWB			32
++#define ARM64_WORKAROUND_1463225		33
+ 
+-#define ARM64_NCAPS				33
++#define ARM64_NCAPS				34
+ 
+ #endif /* __ASM_CPUCAPS_H */
+diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
+index ea690b3562af..b4a48419769f 100644
+--- a/arch/arm64/include/asm/cputype.h
++++ b/arch/arm64/include/asm/cputype.h
+@@ -86,6 +86,7 @@
+ #define ARM_CPU_PART_CORTEX_A75		0xD0A
+ #define ARM_CPU_PART_CORTEX_A35		0xD04
+ #define ARM_CPU_PART_CORTEX_A55		0xD05
++#define ARM_CPU_PART_CORTEX_A76		0xD0B
+ 
+ #define APM_CPU_PART_POTENZA		0x000
+ 
+@@ -110,6 +111,7 @@
+ #define MIDR_CORTEX_A75 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A75)
+ #define MIDR_CORTEX_A35 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A35)
+ #define MIDR_CORTEX_A55 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A55)
++#define MIDR_CORTEX_A76 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A76)
+ #define MIDR_THUNDERX	MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX)
+ #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
+ #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX)
+diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
+index 1bdeca8918a6..ea423db39364 100644
+--- a/arch/arm64/include/asm/pgtable.h
++++ b/arch/arm64/include/asm/pgtable.h
+@@ -444,6 +444,8 @@ static inline phys_addr_t pmd_page_paddr(pmd_t pmd)
+ 	return __pmd_to_phys(pmd);
+ }
+ 
++static inline void pte_unmap(pte_t *pte) { }
++
+ /* Find an entry in the third-level page table. */
+ #define pte_index(addr)		(((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+ 
+@@ -452,7 +454,6 @@ static inline phys_addr_t pmd_page_paddr(pmd_t pmd)
+ 
+ #define pte_offset_map(dir,addr)	pte_offset_kernel((dir), (addr))
+ #define pte_offset_map_nested(dir,addr)	pte_offset_kernel((dir), (addr))
+-#define pte_unmap(pte)			do { } while (0)
+ #define pte_unmap_nested(pte)		do { } while (0)
+ 
+ #define pte_set_fixmap(addr)		((pte_t *)set_fixmap_offset(FIX_PTE, addr))
+diff --git a/arch/arm64/include/asm/vdso_datapage.h b/arch/arm64/include/asm/vdso_datapage.h
+index 2b9a63771eda..f89263c8e11a 100644
+--- a/arch/arm64/include/asm/vdso_datapage.h
++++ b/arch/arm64/include/asm/vdso_datapage.h
+@@ -38,6 +38,7 @@ struct vdso_data {
+ 	__u32 tz_minuteswest;	/* Whacky timezone stuff */
+ 	__u32 tz_dsttime;
+ 	__u32 use_syscall;
++	__u32 hrtimer_res;
+ };
+ 
+ #endif /* !__ASSEMBLY__ */
+diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
+index 323aeb5f2fe6..92fba851ce53 100644
+--- a/arch/arm64/kernel/asm-offsets.c
++++ b/arch/arm64/kernel/asm-offsets.c
+@@ -99,7 +99,7 @@ int main(void)
+   DEFINE(CLOCK_REALTIME,	CLOCK_REALTIME);
+   DEFINE(CLOCK_MONOTONIC,	CLOCK_MONOTONIC);
+   DEFINE(CLOCK_MONOTONIC_RAW,	CLOCK_MONOTONIC_RAW);
+-  DEFINE(CLOCK_REALTIME_RES,	MONOTONIC_RES_NSEC);
++  DEFINE(CLOCK_REALTIME_RES,	offsetof(struct vdso_data, hrtimer_res));
+   DEFINE(CLOCK_REALTIME_COARSE,	CLOCK_REALTIME_COARSE);
+   DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
+   DEFINE(CLOCK_COARSE_RES,	LOW_RES_NSEC);
+diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
+index dec10898d688..dc6c535cbd13 100644
+--- a/arch/arm64/kernel/cpu_errata.c
++++ b/arch/arm64/kernel/cpu_errata.c
+@@ -411,6 +411,22 @@ static bool has_ssbd_mitigation(const struct arm64_cpu_capabilities *entry,
+ }
+ #endif	/* CONFIG_ARM64_SSBD */
+ 
++#ifdef CONFIG_ARM64_ERRATUM_1463225
++DEFINE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
++
++static bool
++has_cortex_a76_erratum_1463225(const struct arm64_cpu_capabilities *entry,
++			       int scope)
++{
++	u32 midr = read_cpuid_id();
++	/* Cortex-A76 r0p0 - r3p1 */
++	struct midr_range range = MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 1);
++
++	WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
++	return is_midr_in_range(midr, &range) && is_kernel_in_hyp_mode();
++}
++#endif
++
+ #define CAP_MIDR_RANGE(model, v_min, r_min, v_max, r_max)	\
+ 	.matches = is_affected_midr_range,			\
+ 	.midr_range = MIDR_RANGE(model, v_min, r_min, v_max, r_max)
+@@ -679,6 +695,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
+ 		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+ 		.matches = has_ssbd_mitigation,
+ 	},
++#endif
++#ifdef CONFIG_ARM64_ERRATUM_1463225
++	{
++		.desc = "ARM erratum 1463225",
++		.capability = ARM64_WORKAROUND_1463225,
++		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
++		.matches = has_cortex_a76_erratum_1463225,
++	},
+ #endif
+ 	{
+ 	}
+diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c
+index ea001241bdd4..00f8b8612b69 100644
+--- a/arch/arm64/kernel/cpu_ops.c
++++ b/arch/arm64/kernel/cpu_ops.c
+@@ -85,6 +85,7 @@ static const char *__init cpu_read_enable_method(int cpu)
+ 				pr_err("%pOF: missing enable-method property\n",
+ 					dn);
+ 		}
++		of_node_put(dn);
+ 	} else {
+ 		enable_method = acpi_get_enable_method(cpu);
+ 		if (!enable_method) {
+diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
+index b09b6f75f759..06941c1fe418 100644
+--- a/arch/arm64/kernel/kaslr.c
++++ b/arch/arm64/kernel/kaslr.c
+@@ -145,15 +145,15 @@ u64 __init kaslr_early_init(u64 dt_phys)
+ 
+ 	if (IS_ENABLED(CONFIG_RANDOMIZE_MODULE_REGION_FULL)) {
+ 		/*
+-		 * Randomize the module region over a 4 GB window covering the
++		 * Randomize the module region over a 2 GB window covering the
+ 		 * kernel. This reduces the risk of modules leaking information
+ 		 * about the address of the kernel itself, but results in
+ 		 * branches between modules and the core kernel that are
+ 		 * resolved via PLTs. (Branches between modules will be
+ 		 * resolved normally.)
+ 		 */
+-		module_range = SZ_4G - (u64)(_end - _stext);
+-		module_alloc_base = max((u64)_end + offset - SZ_4G,
++		module_range = SZ_2G - (u64)(_end - _stext);
++		module_alloc_base = max((u64)_end + offset - SZ_2G,
+ 					(u64)MODULES_VADDR);
+ 	} else {
+ 		/*
+diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
+index f0f27aeefb73..0b368ceccee4 100644
+--- a/arch/arm64/kernel/module.c
++++ b/arch/arm64/kernel/module.c
+@@ -56,7 +56,7 @@ void *module_alloc(unsigned long size)
+ 		 * can simply omit this fallback in that case.
+ 		 */
+ 		p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base,
+-				module_alloc_base + SZ_4G, GFP_KERNEL,
++				module_alloc_base + SZ_2G, GFP_KERNEL,
+ 				PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
+ 				__builtin_return_address(0));
+ 
+diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
+index 5610ac01c1ec..871c739f060a 100644
+--- a/arch/arm64/kernel/syscall.c
++++ b/arch/arm64/kernel/syscall.c
+@@ -8,6 +8,7 @@
+ #include <linux/syscalls.h>
+ 
+ #include <asm/daifflags.h>
++#include <asm/debug-monitors.h>
+ #include <asm/fpsimd.h>
+ #include <asm/syscall.h>
+ #include <asm/thread_info.h>
+@@ -60,6 +61,35 @@ static inline bool has_syscall_work(unsigned long flags)
+ int syscall_trace_enter(struct pt_regs *regs);
+ void syscall_trace_exit(struct pt_regs *regs);
+ 
++#ifdef CONFIG_ARM64_ERRATUM_1463225
++DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
++
++static void cortex_a76_erratum_1463225_svc_handler(void)
++{
++	u32 reg, val;
++
++	if (!unlikely(test_thread_flag(TIF_SINGLESTEP)))
++		return;
++
++	if (!unlikely(this_cpu_has_cap(ARM64_WORKAROUND_1463225)))
++		return;
++
++	__this_cpu_write(__in_cortex_a76_erratum_1463225_wa, 1);
++	reg = read_sysreg(mdscr_el1);
++	val = reg | DBG_MDSCR_SS | DBG_MDSCR_KDE;
++	write_sysreg(val, mdscr_el1);
++	asm volatile("msr daifclr, #8");
++	isb();
++
++	/* We will have taken a single-step exception by this point */
++
++	write_sysreg(reg, mdscr_el1);
++	__this_cpu_write(__in_cortex_a76_erratum_1463225_wa, 0);
++}
++#else
++static void cortex_a76_erratum_1463225_svc_handler(void) { }
++#endif /* CONFIG_ARM64_ERRATUM_1463225 */
++
+ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
+ 			   const syscall_fn_t syscall_table[])
+ {
+@@ -68,6 +98,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
+ 	regs->orig_x0 = regs->regs[0];
+ 	regs->syscallno = scno;
+ 
++	cortex_a76_erratum_1463225_svc_handler();
+ 	local_daif_restore(DAIF_PROCCTX);
+ 	user_exit();
+ 
+diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
+index 2d419006ad43..ec0bb588d755 100644
+--- a/arch/arm64/kernel/vdso.c
++++ b/arch/arm64/kernel/vdso.c
+@@ -232,6 +232,9 @@ void update_vsyscall(struct timekeeper *tk)
+ 	vdso_data->wtm_clock_sec		= tk->wall_to_monotonic.tv_sec;
+ 	vdso_data->wtm_clock_nsec		= tk->wall_to_monotonic.tv_nsec;
+ 
++	/* Read without the seqlock held by clock_getres() */
++	WRITE_ONCE(vdso_data->hrtimer_res, hrtimer_resolution);
++
+ 	if (!use_syscall) {
+ 		/* tkr_mono.cycle_last == tkr_raw.cycle_last */
+ 		vdso_data->cs_cycle_last	= tk->tkr_mono.cycle_last;
+diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S
+index e8f60112818f..856fee6d3512 100644
+--- a/arch/arm64/kernel/vdso/gettimeofday.S
++++ b/arch/arm64/kernel/vdso/gettimeofday.S
+@@ -308,13 +308,14 @@ ENTRY(__kernel_clock_getres)
+ 	ccmp	w0, #CLOCK_MONOTONIC_RAW, #0x4, ne
+ 	b.ne	1f
+ 
+-	ldr	x2, 5f
++	adr	vdso_data, _vdso_data
++	ldr	w2, [vdso_data, #CLOCK_REALTIME_RES]
+ 	b	2f
+ 1:
+ 	cmp	w0, #CLOCK_REALTIME_COARSE
+ 	ccmp	w0, #CLOCK_MONOTONIC_COARSE, #0x4, ne
+ 	b.ne	4f
+-	ldr	x2, 6f
++	ldr	x2, 5f
+ 2:
+ 	cbz	x1, 3f
+ 	stp	xzr, x2, [x1]
+@@ -328,8 +329,6 @@ ENTRY(__kernel_clock_getres)
+ 	svc	#0
+ 	ret
+ 5:
+-	.quad	CLOCK_REALTIME_RES
+-6:
+ 	.quad	CLOCK_COARSE_RES
+ 	.cfi_endproc
+ ENDPROC(__kernel_clock_getres)
+diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
+index c389f2bef938..d3a5bb16f0b2 100644
+--- a/arch/arm64/mm/dma-mapping.c
++++ b/arch/arm64/mm/dma-mapping.c
+@@ -664,6 +664,11 @@ static int __iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
+ 	if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
+ 		return ret;
+ 
++	if (!is_vmalloc_addr(cpu_addr)) {
++		unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr));
++		return __swiotlb_mmap_pfn(vma, pfn, size);
++	}
++
+ 	if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) {
+ 		/*
+ 		 * DMA_ATTR_FORCE_CONTIGUOUS allocations are always remapped,
+@@ -687,6 +692,11 @@ static int __iommu_get_sgtable(struct device *dev, struct sg_table *sgt,
+ 	unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ 	struct vm_struct *area = find_vm_area(cpu_addr);
+ 
++	if (!is_vmalloc_addr(cpu_addr)) {
++		struct page *page = virt_to_page(cpu_addr);
++		return __swiotlb_get_sgtable_page(sgt, page, size);
++	}
++
+ 	if (attrs & DMA_ATTR_FORCE_CONTIGUOUS) {
+ 		/*
+ 		 * DMA_ATTR_FORCE_CONTIGUOUS allocations are always remapped,
+diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
+index a4c134677285..88cf0a0cb616 100644
+--- a/arch/arm64/mm/fault.c
++++ b/arch/arm64/mm/fault.c
+@@ -827,14 +827,47 @@ void __init hook_debug_fault_code(int nr,
+ 	debug_fault_info[nr].name	= name;
+ }
+ 
++#ifdef CONFIG_ARM64_ERRATUM_1463225
++DECLARE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);
++
++static int __exception
++cortex_a76_erratum_1463225_debug_handler(struct pt_regs *regs)
++{
++	if (user_mode(regs))
++		return 0;
++
++	if (!__this_cpu_read(__in_cortex_a76_erratum_1463225_wa))
++		return 0;
++
++	/*
++	 * We've taken a dummy step exception from the kernel to ensure
++	 * that interrupts are re-enabled on the syscall path. Return back
++	 * to cortex_a76_erratum_1463225_svc_handler() with debug exceptions
++	 * masked so that we can safely restore the mdscr and get on with
++	 * handling the syscall.
++	 */
++	regs->pstate |= PSR_D_BIT;
++	return 1;
++}
++#else
++static int __exception
++cortex_a76_erratum_1463225_debug_handler(struct pt_regs *regs)
++{
++	return 0;
++}
++#endif /* CONFIG_ARM64_ERRATUM_1463225 */
++
+ asmlinkage int __exception do_debug_exception(unsigned long addr_if_watchpoint,
+-					      unsigned int esr,
+-					      struct pt_regs *regs)
++					       unsigned int esr,
++					       struct pt_regs *regs)
+ {
+ 	const struct fault_info *inf = debug_fault_info + DBG_ESR_EVT(esr);
+ 	unsigned long pc = instruction_pointer(regs);
+ 	int rv;
+ 
++	if (cortex_a76_erratum_1463225_debug_handler(regs))
++		return 0;
++
+ 	/*
+ 	 * Tell lockdep we disabled irqs in entry.S. Do nothing if they were
+ 	 * already disabled to preserve the last enabled/disabled addresses.
+diff --git a/arch/powerpc/boot/addnote.c b/arch/powerpc/boot/addnote.c
+index 9d9f6f334d3c..3da3e2b1b51b 100644
+--- a/arch/powerpc/boot/addnote.c
++++ b/arch/powerpc/boot/addnote.c
+@@ -223,7 +223,11 @@ main(int ac, char **av)
+ 	PUT_16(E_PHNUM, np + 2);
+ 
+ 	/* write back */
+-	lseek(fd, (long) 0, SEEK_SET);
++	i = lseek(fd, (long) 0, SEEK_SET);
++	if (i < 0) {
++		perror("lseek");
++		exit(1);
++	}
+ 	i = write(fd, buf, n);
+ 	if (i < 0) {
+ 		perror("write");
+diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
+index 4898e9491a1c..9168a247e24f 100644
+--- a/arch/powerpc/kernel/head_64.S
++++ b/arch/powerpc/kernel/head_64.S
+@@ -970,7 +970,9 @@ start_here_multiplatform:
+ 
+ 	/* Restore parameters passed from prom_init/kexec */
+ 	mr	r3,r31
+-	bl	early_setup		/* also sets r13 and SPRG_PACA */
++	LOAD_REG_ADDR(r12, DOTSYM(early_setup))
++	mtctr	r12
++	bctrl		/* also sets r13 and SPRG_PACA */
+ 
+ 	LOAD_REG_ADDR(r3, start_here_common)
+ 	ld	r4,PACAKMSR(r13)
+diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
+index 3c6ab22a0c4e..af3c15a1d41e 100644
+--- a/arch/powerpc/kernel/watchdog.c
++++ b/arch/powerpc/kernel/watchdog.c
+@@ -77,7 +77,7 @@ static u64 wd_smp_panic_timeout_tb __read_mostly; /* panic other CPUs */
+ 
+ static u64 wd_timer_period_ms __read_mostly;  /* interval between heartbeat */
+ 
+-static DEFINE_PER_CPU(struct timer_list, wd_timer);
++static DEFINE_PER_CPU(struct hrtimer, wd_hrtimer);
+ static DEFINE_PER_CPU(u64, wd_timer_tb);
+ 
+ /* SMP checker bits */
+@@ -293,21 +293,21 @@ out:
+ 	nmi_exit();
+ }
+ 
+-static void wd_timer_reset(unsigned int cpu, struct timer_list *t)
+-{
+-	t->expires = jiffies + msecs_to_jiffies(wd_timer_period_ms);
+-	if (wd_timer_period_ms > 1000)
+-		t->expires = __round_jiffies_up(t->expires, cpu);
+-	add_timer_on(t, cpu);
+-}
+-
+-static void wd_timer_fn(struct timer_list *t)
++static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
+ {
+ 	int cpu = smp_processor_id();
+ 
++	if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED))
++		return HRTIMER_NORESTART;
++
++	if (!cpumask_test_cpu(cpu, &watchdog_cpumask))
++		return HRTIMER_NORESTART;
++
+ 	watchdog_timer_interrupt(cpu);
+ 
+-	wd_timer_reset(cpu, t);
++	hrtimer_forward_now(hrtimer, ms_to_ktime(wd_timer_period_ms));
++
++	return HRTIMER_RESTART;
+ }
+ 
+ void arch_touch_nmi_watchdog(void)
+@@ -323,37 +323,22 @@ void arch_touch_nmi_watchdog(void)
+ }
+ EXPORT_SYMBOL(arch_touch_nmi_watchdog);
+ 
+-static void start_watchdog_timer_on(unsigned int cpu)
+-{
+-	struct timer_list *t = per_cpu_ptr(&wd_timer, cpu);
+-
+-	per_cpu(wd_timer_tb, cpu) = get_tb();
+-
+-	timer_setup(t, wd_timer_fn, TIMER_PINNED);
+-	wd_timer_reset(cpu, t);
+-}
+-
+-static void stop_watchdog_timer_on(unsigned int cpu)
+-{
+-	struct timer_list *t = per_cpu_ptr(&wd_timer, cpu);
+-
+-	del_timer_sync(t);
+-}
+-
+-static int start_wd_on_cpu(unsigned int cpu)
++static void start_watchdog(void *arg)
+ {
++	struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer);
++	int cpu = smp_processor_id();
+ 	unsigned long flags;
+ 
+ 	if (cpumask_test_cpu(cpu, &wd_cpus_enabled)) {
+ 		WARN_ON(1);
+-		return 0;
++		return;
+ 	}
+ 
+ 	if (!(watchdog_enabled & NMI_WATCHDOG_ENABLED))
+-		return 0;
++		return;
+ 
+ 	if (!cpumask_test_cpu(cpu, &watchdog_cpumask))
+-		return 0;
++		return;
+ 
+ 	wd_smp_lock(&flags);
+ 	cpumask_set_cpu(cpu, &wd_cpus_enabled);
+@@ -363,27 +348,40 @@ static int start_wd_on_cpu(unsigned int cpu)
+ 	}
+ 	wd_smp_unlock(&flags);
+ 
+-	start_watchdog_timer_on(cpu);
++	*this_cpu_ptr(&wd_timer_tb) = get_tb();
+ 
+-	return 0;
++	hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
++	hrtimer->function = watchdog_timer_fn;
++	hrtimer_start(hrtimer, ms_to_ktime(wd_timer_period_ms),
++		      HRTIMER_MODE_REL_PINNED);
+ }
+ 
+-static int stop_wd_on_cpu(unsigned int cpu)
++static int start_watchdog_on_cpu(unsigned int cpu)
+ {
++	return smp_call_function_single(cpu, start_watchdog, NULL, true);
++}
++
++static void stop_watchdog(void *arg)
++{
++	struct hrtimer *hrtimer = this_cpu_ptr(&wd_hrtimer);
++	int cpu = smp_processor_id();
+ 	unsigned long flags;
+ 
+ 	if (!cpumask_test_cpu(cpu, &wd_cpus_enabled))
+-		return 0; /* Can happen in CPU unplug case */
++		return; /* Can happen in CPU unplug case */
+ 
+-	stop_watchdog_timer_on(cpu);
++	hrtimer_cancel(hrtimer);
+ 
+ 	wd_smp_lock(&flags);
+ 	cpumask_clear_cpu(cpu, &wd_cpus_enabled);
+ 	wd_smp_unlock(&flags);
+ 
+ 	wd_smp_clear_cpu_pending(cpu, get_tb());
++}
+ 
+-	return 0;
++static int stop_watchdog_on_cpu(unsigned int cpu)
++{
++	return smp_call_function_single(cpu, stop_watchdog, NULL, true);
+ }
+ 
+ static void watchdog_calc_timeouts(void)
+@@ -402,7 +400,7 @@ void watchdog_nmi_stop(void)
+ 	int cpu;
+ 
+ 	for_each_cpu(cpu, &wd_cpus_enabled)
+-		stop_wd_on_cpu(cpu);
++		stop_watchdog_on_cpu(cpu);
+ }
+ 
+ void watchdog_nmi_start(void)
+@@ -411,7 +409,7 @@ void watchdog_nmi_start(void)
+ 
+ 	watchdog_calc_timeouts();
+ 	for_each_cpu_and(cpu, cpu_online_mask, &watchdog_cpumask)
+-		start_wd_on_cpu(cpu);
++		start_watchdog_on_cpu(cpu);
+ }
+ 
+ /*
+@@ -423,7 +421,8 @@ int __init watchdog_nmi_probe(void)
+ 
+ 	err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
+ 					"powerpc/watchdog:online",
+-					start_wd_on_cpu, stop_wd_on_cpu);
++					start_watchdog_on_cpu,
++					stop_watchdog_on_cpu);
+ 	if (err < 0) {
+ 		pr_warn("could not be initialized");
+ 		return err;
+diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
+index 10fb43efef50..f473c05e9649 100644
+--- a/arch/powerpc/mm/numa.c
++++ b/arch/powerpc/mm/numa.c
+@@ -1495,6 +1495,9 @@ int start_topology_update(void)
+ {
+ 	int rc = 0;
+ 
++	if (!topology_updates_enabled)
++		return 0;
++
+ 	if (firmware_has_feature(FW_FEATURE_PRRN)) {
+ 		if (!prrn_enabled) {
+ 			prrn_enabled = 1;
+@@ -1524,6 +1527,9 @@ int stop_topology_update(void)
+ {
+ 	int rc = 0;
+ 
++	if (!topology_updates_enabled)
++		return 0;
++
+ 	if (prrn_enabled) {
+ 		prrn_enabled = 0;
+ #ifdef CONFIG_SMP
+@@ -1579,11 +1585,13 @@ static ssize_t topology_write(struct file *file, const char __user *buf,
+ 
+ 	kbuf[read_len] = '\0';
+ 
+-	if (!strncmp(kbuf, "on", 2))
++	if (!strncmp(kbuf, "on", 2)) {
++		topology_updates_enabled = true;
+ 		start_topology_update();
+-	else if (!strncmp(kbuf, "off", 3))
++	} else if (!strncmp(kbuf, "off", 3)) {
+ 		stop_topology_update();
+-	else
++		topology_updates_enabled = false;
++	} else
+ 		return -EINVAL;
+ 
+ 	return count;
+@@ -1598,9 +1606,7 @@ static const struct file_operations topology_ops = {
+ 
+ static int topology_update_init(void)
+ {
+-	/* Do not poll for changes if disabled at boot */
+-	if (topology_updates_enabled)
+-		start_topology_update();
++	start_topology_update();
+ 
+ 	if (vphn_enabled)
+ 		topology_schedule_update();
+diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
+index 1fafc32b12a0..555322677074 100644
+--- a/arch/powerpc/perf/imc-pmu.c
++++ b/arch/powerpc/perf/imc-pmu.c
+@@ -496,6 +496,11 @@ static int nest_imc_event_init(struct perf_event *event)
+ 	 * Get the base memory addresss for this cpu.
+ 	 */
+ 	chip_id = cpu_to_chip_id(event->cpu);
++
++	/* Return, if chip_id is not valid */
++	if (chip_id < 0)
++		return -ENODEV;
++
+ 	pcni = pmu->mem_info;
+ 	do {
+ 		if (pcni->id == chip_id) {
+@@ -503,7 +508,7 @@ static int nest_imc_event_init(struct perf_event *event)
+ 			break;
+ 		}
+ 		pcni++;
+-	} while (pcni);
++	} while (pcni->vbase != 0);
+ 
+ 	if (!flag)
+ 		return -ENODEV;
+diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c
+index 58a07948c76e..3d27f02695e4 100644
+--- a/arch/powerpc/platforms/powernv/opal-imc.c
++++ b/arch/powerpc/platforms/powernv/opal-imc.c
+@@ -127,7 +127,7 @@ static int imc_get_mem_addr_nest(struct device_node *node,
+ 								nr_chips))
+ 		goto error;
+ 
+-	pmu_ptr->mem_info = kcalloc(nr_chips, sizeof(*pmu_ptr->mem_info),
++	pmu_ptr->mem_info = kcalloc(nr_chips + 1, sizeof(*pmu_ptr->mem_info),
+ 				    GFP_KERNEL);
+ 	if (!pmu_ptr->mem_info)
+ 		goto error;
+diff --git a/arch/s390/kernel/kexec_elf.c b/arch/s390/kernel/kexec_elf.c
+index 5a286b012043..602e7cc26d11 100644
+--- a/arch/s390/kernel/kexec_elf.c
++++ b/arch/s390/kernel/kexec_elf.c
+@@ -19,10 +19,15 @@ static int kexec_file_add_elf_kernel(struct kimage *image,
+ 	struct kexec_buf buf;
+ 	const Elf_Ehdr *ehdr;
+ 	const Elf_Phdr *phdr;
++	Elf_Addr entry;
+ 	int i, ret;
+ 
+ 	ehdr = (Elf_Ehdr *)kernel;
+ 	buf.image = image;
++	if (image->type == KEXEC_TYPE_CRASH)
++		entry = STARTUP_KDUMP_OFFSET;
++	else
++		entry = ehdr->e_entry;
+ 
+ 	phdr = (void *)ehdr + ehdr->e_phoff;
+ 	for (i = 0; i < ehdr->e_phnum; i++, phdr++) {
+@@ -35,7 +40,7 @@ static int kexec_file_add_elf_kernel(struct kimage *image,
+ 		buf.mem = ALIGN(phdr->p_paddr, phdr->p_align);
+ 		buf.memsz = phdr->p_memsz;
+ 
+-		if (phdr->p_paddr == 0) {
++		if (entry - phdr->p_paddr < phdr->p_memsz) {
+ 			data->kernel_buf = buf.buffer;
+ 			data->memsz += STARTUP_NORMAL_OFFSET;
+ 
+diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
+index f2cc7da473e4..ae894ac83fd6 100644
+--- a/arch/s390/mm/pgtable.c
++++ b/arch/s390/mm/pgtable.c
+@@ -410,6 +410,7 @@ static inline pmd_t pmdp_flush_lazy(struct mm_struct *mm,
+ 	return old;
+ }
+ 
++#ifdef CONFIG_PGSTE
+ static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr)
+ {
+ 	pgd_t *pgd;
+@@ -427,6 +428,7 @@ static pmd_t *pmd_alloc_map(struct mm_struct *mm, unsigned long addr)
+ 	pmd = pmd_alloc(mm, pud, addr);
+ 	return pmd;
+ }
++#endif
+ 
+ pmd_t pmdp_xchg_direct(struct mm_struct *mm, unsigned long addr,
+ 		       pmd_t *pmdp, pmd_t new)
+diff --git a/arch/sh/include/cpu-sh4/cpu/sh7786.h b/arch/sh/include/cpu-sh4/cpu/sh7786.h
+index 96b8cb1f754a..029bbadaf7ab 100644
+--- a/arch/sh/include/cpu-sh4/cpu/sh7786.h
++++ b/arch/sh/include/cpu-sh4/cpu/sh7786.h
+@@ -135,7 +135,7 @@ enum {
+ 
+ static inline u32 sh7786_mm_sel(void)
+ {
+-	return __raw_readl(0xFC400020) & 0x7;
++	return __raw_readl((const volatile void __iomem *)0xFC400020) & 0x7;
+ }
+ 
+ #endif /* __CPU_SH7786_H__ */
+diff --git a/arch/x86/Makefile b/arch/x86/Makefile
+index ffc823a8312f..ab2071e40efe 100644
+--- a/arch/x86/Makefile
++++ b/arch/x86/Makefile
+@@ -47,7 +47,7 @@ export REALMODE_CFLAGS
+ export BITS
+ 
+ ifdef CONFIG_X86_NEED_RELOCS
+-        LDFLAGS_vmlinux := --emit-relocs
++        LDFLAGS_vmlinux := --emit-relocs --discard-none
+ endif
+ 
+ #
+diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
+index 56194c571299..4a650eb3d94a 100644
+--- a/arch/x86/events/intel/cstate.c
++++ b/arch/x86/events/intel/cstate.c
+@@ -584,6 +584,8 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
+ 	X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT_X, glm_cstates),
+ 
+ 	X86_CSTATES_MODEL(INTEL_FAM6_ATOM_GOLDMONT_PLUS, glm_cstates),
++
++	X86_CSTATES_MODEL(INTEL_FAM6_ICELAKE_MOBILE, snb_cstates),
+ 	{ },
+ };
+ MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);
+diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c
+index 91039ffed633..2413169ce362 100644
+--- a/arch/x86/events/intel/rapl.c
++++ b/arch/x86/events/intel/rapl.c
+@@ -780,6 +780,8 @@ static const struct x86_cpu_id rapl_cpu_match[] __initconst = {
+ 	X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT_X, hsw_rapl_init),
+ 
+ 	X86_RAPL_MODEL_MATCH(INTEL_FAM6_ATOM_GOLDMONT_PLUS, hsw_rapl_init),
++
++	X86_RAPL_MODEL_MATCH(INTEL_FAM6_ICELAKE_MOBILE,  skl_rapl_init),
+ 	{},
+ };
+ 
+diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c
+index 1b9f85abf9bc..ace6c1e752fb 100644
+--- a/arch/x86/events/msr.c
++++ b/arch/x86/events/msr.c
+@@ -89,6 +89,7 @@ static bool test_intel(int idx)
+ 	case INTEL_FAM6_SKYLAKE_X:
+ 	case INTEL_FAM6_KABYLAKE_MOBILE:
+ 	case INTEL_FAM6_KABYLAKE_DESKTOP:
++	case INTEL_FAM6_ICELAKE_MOBILE:
+ 		if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF)
+ 			return true;
+ 		break;
+diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
+index 86b1341cba9a..513ba49c204f 100644
+--- a/arch/x86/ia32/ia32_signal.c
++++ b/arch/x86/ia32/ia32_signal.c
+@@ -61,9 +61,8 @@
+ } while (0)
+ 
+ #define RELOAD_SEG(seg)		{		\
+-	unsigned int pre = GET_SEG(seg);	\
++	unsigned int pre = (seg) | 3;		\
+ 	unsigned int cur = get_user_seg(seg);	\
+-	pre |= 3;				\
+ 	if (pre != cur)				\
+ 		set_user_seg(seg, pre);		\
+ }
+@@ -72,6 +71,7 @@ static int ia32_restore_sigcontext(struct pt_regs *regs,
+ 				   struct sigcontext_32 __user *sc)
+ {
+ 	unsigned int tmpflags, err = 0;
++	u16 gs, fs, es, ds;
+ 	void __user *buf;
+ 	u32 tmp;
+ 
+@@ -79,16 +79,10 @@ static int ia32_restore_sigcontext(struct pt_regs *regs,
+ 	current->restart_block.fn = do_no_restart_syscall;
+ 
+ 	get_user_try {
+-		/*
+-		 * Reload fs and gs if they have changed in the signal
+-		 * handler.  This does not handle long fs/gs base changes in
+-		 * the handler, but does not clobber them at least in the
+-		 * normal case.
+-		 */
+-		RELOAD_SEG(gs);
+-		RELOAD_SEG(fs);
+-		RELOAD_SEG(ds);
+-		RELOAD_SEG(es);
++		gs = GET_SEG(gs);
++		fs = GET_SEG(fs);
++		ds = GET_SEG(ds);
++		es = GET_SEG(es);
+ 
+ 		COPY(di); COPY(si); COPY(bp); COPY(sp); COPY(bx);
+ 		COPY(dx); COPY(cx); COPY(ip); COPY(ax);
+@@ -106,6 +100,17 @@ static int ia32_restore_sigcontext(struct pt_regs *regs,
+ 		buf = compat_ptr(tmp);
+ 	} get_user_catch(err);
+ 
++	/*
++	 * Reload fs and gs if they have changed in the signal
++	 * handler.  This does not handle long fs/gs base changes in
++	 * the handler, but does not clobber them at least in the
++	 * normal case.
++	 */
++	RELOAD_SEG(gs);
++	RELOAD_SEG(fs);
++	RELOAD_SEG(ds);
++	RELOAD_SEG(es);
++
+ 	err |= fpu__restore_sig(buf, 1);
+ 
+ 	force_iret();
+diff --git a/arch/x86/include/asm/text-patching.h b/arch/x86/include/asm/text-patching.h
+index 05861cc08787..0bbb07eaed6b 100644
+--- a/arch/x86/include/asm/text-patching.h
++++ b/arch/x86/include/asm/text-patching.h
+@@ -39,6 +39,7 @@ extern int poke_int3_handler(struct pt_regs *regs);
+ extern void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler);
+ extern int after_bootmem;
+ 
++#ifndef CONFIG_UML_X86
+ static inline void int3_emulate_jmp(struct pt_regs *regs, unsigned long ip)
+ {
+ 	regs->ip = ip;
+@@ -65,6 +66,7 @@ static inline void int3_emulate_call(struct pt_regs *regs, unsigned long func)
+ 	int3_emulate_push(regs, regs->ip - INT3_INSN_SIZE + CALL_INSN_SIZE);
+ 	int3_emulate_jmp(regs, func);
+ }
+-#endif
++#endif /* CONFIG_X86_64 */
++#endif /* !CONFIG_UML_X86 */
+ 
+ #endif /* _ASM_X86_TEXT_PATCHING_H */
+diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
+index b9d5e7c9ef43..918a23704c0c 100644
+--- a/arch/x86/kernel/alternative.c
++++ b/arch/x86/kernel/alternative.c
+@@ -662,15 +662,29 @@ void __init alternative_instructions(void)
+  * handlers seeing an inconsistent instruction while you patch.
+  */
+ void *__init_or_module text_poke_early(void *addr, const void *opcode,
+-					      size_t len)
++				       size_t len)
+ {
+ 	unsigned long flags;
+-	local_irq_save(flags);
+-	memcpy(addr, opcode, len);
+-	local_irq_restore(flags);
+-	sync_core();
+-	/* Could also do a CLFLUSH here to speed up CPU recovery; but
+-	   that causes hangs on some VIA CPUs. */
++
++	if (boot_cpu_has(X86_FEATURE_NX) &&
++	    is_module_text_address((unsigned long)addr)) {
++		/*
++		 * Modules text is marked initially as non-executable, so the
++		 * code cannot be running and speculative code-fetches are
++		 * prevented. Just change the code.
++		 */
++		memcpy(addr, opcode, len);
++	} else {
++		local_irq_save(flags);
++		memcpy(addr, opcode, len);
++		local_irq_restore(flags);
++		sync_core();
++
++		/*
++		 * Could also do a CLFLUSH here to speed up CPU recovery; but
++		 * that causes hangs on some VIA CPUs.
++		 */
++	}
+ 	return addr;
+ }
+ 
+diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
+index c805a06e14c3..ff1c00b695ae 100644
+--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
++++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
+@@ -46,8 +46,6 @@
+ static struct mce i_mce;
+ static struct dentry *dfs_inj;
+ 
+-static u8 n_banks;
+-
+ #define MAX_FLAG_OPT_SIZE	4
+ #define NBCFG			0x44
+ 
+@@ -567,9 +565,15 @@ err:
+ static int inj_bank_set(void *data, u64 val)
+ {
+ 	struct mce *m = (struct mce *)data;
++	u8 n_banks;
++	u64 cap;
++
++	/* Get bank count on target CPU so we can handle non-uniform values. */
++	rdmsrl_on_cpu(m->extcpu, MSR_IA32_MCG_CAP, &cap);
++	n_banks = cap & MCG_BANKCNT_MASK;
+ 
+ 	if (val >= n_banks) {
+-		pr_err("Non-existent MCE bank: %llu\n", val);
++		pr_err("MCA bank %llu non-existent on CPU%d\n", val, m->extcpu);
+ 		return -EINVAL;
+ 	}
+ 
+@@ -659,10 +663,6 @@ static struct dfs_node {
+ static int __init debugfs_init(void)
+ {
+ 	unsigned int i;
+-	u64 cap;
+-
+-	rdmsrl(MSR_IA32_MCG_CAP, cap);
+-	n_banks = cap & MCG_BANKCNT_MASK;
+ 
+ 	dfs_inj = debugfs_create_dir("mce-inject", NULL);
+ 	if (!dfs_inj)
+diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
+index f9e7096b1804..fee118b3b69f 100644
+--- a/arch/x86/kernel/cpu/mcheck/mce.c
++++ b/arch/x86/kernel/cpu/mcheck/mce.c
+@@ -711,19 +711,49 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b)
+ 
+ 		barrier();
+ 		m.status = mce_rdmsrl(msr_ops.status(i));
++
++		/* If this entry is not valid, ignore it */
+ 		if (!(m.status & MCI_STATUS_VAL))
+ 			continue;
+ 
+ 		/*
+-		 * Uncorrected or signalled events are handled by the exception
+-		 * handler when it is enabled, so don't process those here.
+-		 *
+-		 * TBD do the same check for MCI_STATUS_EN here?
++		 * If we are logging everything (at CPU online) or this
++		 * is a corrected error, then we must log it.
+ 		 */
+-		if (!(flags & MCP_UC) &&
+-		    (m.status & (mca_cfg.ser ? MCI_STATUS_S : MCI_STATUS_UC)))
+-			continue;
++		if ((flags & MCP_UC) || !(m.status & MCI_STATUS_UC))
++			goto log_it;
++
++		/*
++		 * Newer Intel systems that support software error
++		 * recovery need to make additional checks. Other
++		 * CPUs should skip over uncorrected errors, but log
++		 * everything else.
++		 */
++		if (!mca_cfg.ser) {
++			if (m.status & MCI_STATUS_UC)
++				continue;
++			goto log_it;
++		}
++
++		/* Log "not enabled" (speculative) errors */
++		if (!(m.status & MCI_STATUS_EN))
++			goto log_it;
++
++		/*
++		 * Log UCNA (SDM: 15.6.3 "UCR Error Classification")
++		 * UC == 1 && PCC == 0 && S == 0
++		 */
++		if (!(m.status & MCI_STATUS_PCC) && !(m.status & MCI_STATUS_S))
++			goto log_it;
++
++		/*
++		 * Skip anything else. Presumption is that our read of this
++		 * bank is racing with a machine check. Leave the log alone
++		 * for do_machine_check() to deal with it.
++		 */
++		continue;
+ 
++log_it:
+ 		error_seen = true;
+ 
+ 		mce_read_aux(&m, i);
+@@ -1450,13 +1480,12 @@ EXPORT_SYMBOL_GPL(mce_notify_irq);
+ static int __mcheck_cpu_mce_banks_init(void)
+ {
+ 	int i;
+-	u8 num_banks = mca_cfg.banks;
+ 
+-	mce_banks = kcalloc(num_banks, sizeof(struct mce_bank), GFP_KERNEL);
++	mce_banks = kcalloc(MAX_NR_BANKS, sizeof(struct mce_bank), GFP_KERNEL);
+ 	if (!mce_banks)
+ 		return -ENOMEM;
+ 
+-	for (i = 0; i < num_banks; i++) {
++	for (i = 0; i < MAX_NR_BANKS; i++) {
+ 		struct mce_bank *b = &mce_banks[i];
+ 
+ 		b->ctl = -1ULL;
+@@ -1470,28 +1499,19 @@ static int __mcheck_cpu_mce_banks_init(void)
+  */
+ static int __mcheck_cpu_cap_init(void)
+ {
+-	unsigned b;
+ 	u64 cap;
++	u8 b;
+ 
+ 	rdmsrl(MSR_IA32_MCG_CAP, cap);
+ 
+ 	b = cap & MCG_BANKCNT_MASK;
+-	if (!mca_cfg.banks)
+-		pr_info("CPU supports %d MCE banks\n", b);
+-
+-	if (b > MAX_NR_BANKS) {
+-		pr_warn("Using only %u machine check banks out of %u\n",
+-			MAX_NR_BANKS, b);
++	if (WARN_ON_ONCE(b > MAX_NR_BANKS))
+ 		b = MAX_NR_BANKS;
+-	}
+ 
+-	/* Don't support asymmetric configurations today */
+-	WARN_ON(mca_cfg.banks != 0 && b != mca_cfg.banks);
+-	mca_cfg.banks = b;
++	mca_cfg.banks = max(mca_cfg.banks, b);
+ 
+ 	if (!mce_banks) {
+ 		int err = __mcheck_cpu_mce_banks_init();
+-
+ 		if (err)
+ 			return err;
+ 	}
+@@ -2473,6 +2493,8 @@ EXPORT_SYMBOL_GPL(mcsafe_key);
+ 
+ static int __init mcheck_late_init(void)
+ {
++	pr_info("Using %d MCE banks\n", mca_cfg.banks);
++
+ 	if (mca_cfg.recovery)
+ 		static_branch_inc(&mcsafe_key);
+ 
+diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
+index b9bc8a1a584e..b43ddefd77f4 100644
+--- a/arch/x86/kernel/cpu/microcode/core.c
++++ b/arch/x86/kernel/cpu/microcode/core.c
+@@ -418,8 +418,9 @@ static int do_microcode_update(const void __user *buf, size_t size)
+ 		if (ustate == UCODE_ERROR) {
+ 			error = -1;
+ 			break;
+-		} else if (ustate == UCODE_OK)
++		} else if (ustate == UCODE_NEW) {
+ 			apply_microcode_on_target(cpu);
++		}
+ 	}
+ 
+ 	return error;
+diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
+index 0469cd078db1..b50ac9c7397b 100644
+--- a/arch/x86/kernel/irq_64.c
++++ b/arch/x86/kernel/irq_64.c
+@@ -26,9 +26,18 @@ int sysctl_panic_on_stackoverflow;
+ /*
+  * Probabilistic stack overflow check:
+  *
+- * Only check the stack in process context, because everything else
+- * runs on the big interrupt stacks. Checking reliably is too expensive,
+- * so we just check from interrupts.
++ * Regular device interrupts can enter on the following stacks:
++ *
++ * - User stack
++ *
++ * - Kernel task stack
++ *
++ * - Interrupt stack if a device driver reenables interrupts
++ *   which should only happen in really old drivers.
++ *
++ * - Debug IST stack
++ *
++ * All other contexts are invalid.
+  */
+ static inline void stack_overflow_check(struct pt_regs *regs)
+ {
+@@ -53,8 +62,8 @@ static inline void stack_overflow_check(struct pt_regs *regs)
+ 		return;
+ 
+ 	oist = this_cpu_ptr(&orig_ist);
+-	estack_top = (u64)oist->ist[0] - EXCEPTION_STKSZ + STACK_TOP_MARGIN;
+-	estack_bottom = (u64)oist->ist[N_EXCEPTION_STACKS - 1];
++	estack_bottom = (u64)oist->ist[DEBUG_STACK];
++	estack_top = estack_bottom - DEBUG_STKSZ + STACK_TOP_MARGIN;
+ 	if (regs->sp >= estack_top && regs->sp <= estack_bottom)
+ 		return;
+ 
+diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
+index f58336af095c..6645f123419c 100644
+--- a/arch/x86/kernel/module.c
++++ b/arch/x86/kernel/module.c
+@@ -87,7 +87,7 @@ void *module_alloc(unsigned long size)
+ 	p = __vmalloc_node_range(size, MODULE_ALIGN,
+ 				    MODULES_VADDR + get_module_load_offset(),
+ 				    MODULES_END, GFP_KERNEL,
+-				    PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
++				    PAGE_KERNEL, 0, NUMA_NO_NODE,
+ 				    __builtin_return_address(0));
+ 	if (p && (kasan_module_alloc(p, size) < 0)) {
+ 		vfree(p);
+diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
+index 92a3b312a53c..44e647a65de8 100644
+--- a/arch/x86/kernel/signal.c
++++ b/arch/x86/kernel/signal.c
+@@ -132,16 +132,6 @@ static int restore_sigcontext(struct pt_regs *regs,
+ 		COPY_SEG_CPL3(cs);
+ 		COPY_SEG_CPL3(ss);
+ 
+-#ifdef CONFIG_X86_64
+-		/*
+-		 * Fix up SS if needed for the benefit of old DOSEMU and
+-		 * CRIU.
+-		 */
+-		if (unlikely(!(uc_flags & UC_STRICT_RESTORE_SS) &&
+-			     user_64bit_mode(regs)))
+-			force_valid_ss(regs);
+-#endif
+-
+ 		get_user_ex(tmpflags, &sc->flags);
+ 		regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS);
+ 		regs->orig_ax = -1;		/* disable syscall checks */
+@@ -150,6 +140,15 @@ static int restore_sigcontext(struct pt_regs *regs,
+ 		buf = (void __user *)buf_val;
+ 	} get_user_catch(err);
+ 
++#ifdef CONFIG_X86_64
++	/*
++	 * Fix up SS if needed for the benefit of old DOSEMU and
++	 * CRIU.
++	 */
++	if (unlikely(!(uc_flags & UC_STRICT_RESTORE_SS) && user_64bit_mode(regs)))
++		force_valid_ss(regs);
++#endif
++
+ 	err |= fpu__restore_sig(buf, IS_ENABLED(CONFIG_X86_32));
+ 
+ 	force_iret();
+@@ -461,6 +460,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
+ {
+ 	struct rt_sigframe __user *frame;
+ 	void __user *fp = NULL;
++	unsigned long uc_flags;
+ 	int err = 0;
+ 
+ 	frame = get_sigframe(&ksig->ka, regs, sizeof(struct rt_sigframe), &fp);
+@@ -473,9 +473,11 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig,
+ 			return -EFAULT;
+ 	}
+ 
++	uc_flags = frame_uc_flags(regs);
++
+ 	put_user_try {
+ 		/* Create the ucontext.  */
+-		put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags);
++		put_user_ex(uc_flags, &frame->uc.uc_flags);
+ 		put_user_ex(0, &frame->uc.uc_link);
+ 		save_altstack_ex(&frame->uc.uc_stack, regs->sp);
+ 
+@@ -541,6 +543,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig,
+ {
+ #ifdef CONFIG_X86_X32_ABI
+ 	struct rt_sigframe_x32 __user *frame;
++	unsigned long uc_flags;
+ 	void __user *restorer;
+ 	int err = 0;
+ 	void __user *fpstate = NULL;
+@@ -555,9 +558,11 @@ static int x32_setup_rt_frame(struct ksignal *ksig,
+ 			return -EFAULT;
+ 	}
+ 
++	uc_flags = frame_uc_flags(regs);
++
+ 	put_user_try {
+ 		/* Create the ucontext.  */
+-		put_user_ex(frame_uc_flags(regs), &frame->uc.uc_flags);
++		put_user_ex(uc_flags, &frame->uc.uc_flags);
+ 		put_user_ex(0, &frame->uc.uc_link);
+ 		compat_save_altstack_ex(&frame->uc.uc_stack, regs->sp);
+ 		put_user_ex(0, &frame->uc.uc__pad0);
+diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
+index 85e6d5620188..2fb152d813c1 100644
+--- a/arch/x86/kernel/vmlinux.lds.S
++++ b/arch/x86/kernel/vmlinux.lds.S
+@@ -151,11 +151,11 @@ SECTIONS
+ 		*(.text.__x86.indirect_thunk)
+ 		__indirect_thunk_end = .;
+ #endif
+-
+-		/* End of text section */
+-		_etext = .;
+ 	} :text = 0x9090
+ 
++	/* End of text section */
++	_etext = .;
++
+ 	NOTES :text :note
+ 
+ 	EXCEPTION_TABLE(16) :text = 0x9090
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
+index 8dd9208ae4de..ea454d3f7763 100644
+--- a/arch/x86/kvm/svm.c
++++ b/arch/x86/kvm/svm.c
+@@ -2022,7 +2022,11 @@ static void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
+ 	if (!kvm_vcpu_apicv_active(vcpu))
+ 		return;
+ 
+-	if (WARN_ON(h_physical_id >= AVIC_MAX_PHYSICAL_ID_COUNT))
++	/*
++	 * Since the host physical APIC id is 8 bits,
++	 * we can support host APIC ID upto 255.
++	 */
++	if (WARN_ON(h_physical_id > AVIC_PHYSICAL_ID_ENTRY_HOST_PHYSICAL_ID_MASK))
+ 		return;
+ 
+ 	entry = READ_ONCE(*(svm->avic_physical_id_cache));
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index d0eb37c069b8..be4ba0975a0f 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -1188,7 +1188,7 @@ static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
+ 	u64 efer = msr_info->data;
+ 
+ 	if (efer & efer_reserved_bits)
+-		return false;
++		return 1;
+ 
+ 	if (!msr_info->host_initiated) {
+ 		if (!__kvm_valid_efer(vcpu, efer))
+diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S
+index 3b24dc05251c..9d05572370ed 100644
+--- a/arch/x86/lib/memcpy_64.S
++++ b/arch/x86/lib/memcpy_64.S
+@@ -257,6 +257,7 @@ ENTRY(__memcpy_mcsafe)
+ 	/* Copy successful. Return zero */
+ .L_done_memcpy_trap:
+ 	xorl %eax, %eax
++.L_done:
+ 	ret
+ ENDPROC(__memcpy_mcsafe)
+ EXPORT_SYMBOL_GPL(__memcpy_mcsafe)
+@@ -273,7 +274,7 @@ EXPORT_SYMBOL_GPL(__memcpy_mcsafe)
+ 	addl	%edx, %ecx
+ .E_trailing_bytes:
+ 	mov	%ecx, %eax
+-	ret
++	jmp	.L_done
+ 
+ 	/*
+ 	 * For write fault handling, given the destination is unaligned,
+diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
+index 47bebfe6efa7..9d9765e4d1ef 100644
+--- a/arch/x86/mm/fault.c
++++ b/arch/x86/mm/fault.c
+@@ -427,8 +427,6 @@ static noinline int vmalloc_fault(unsigned long address)
+ 	if (!(address >= VMALLOC_START && address < VMALLOC_END))
+ 		return -1;
+ 
+-	WARN_ON_ONCE(in_nmi());
+-
+ 	/*
+ 	 * Copy kernel mappings over when needed. This can also
+ 	 * happen within a race in page table update. In the later
+diff --git a/block/genhd.c b/block/genhd.c
+index be5bab20b2ab..2b2a936cf848 100644
+--- a/block/genhd.c
++++ b/block/genhd.c
+@@ -518,6 +518,18 @@ void blk_free_devt(dev_t devt)
+ 	}
+ }
+ 
++/**
++ *	We invalidate devt by assigning NULL pointer for devt in idr.
++ */
++void blk_invalidate_devt(dev_t devt)
++{
++	if (MAJOR(devt) == BLOCK_EXT_MAJOR) {
++		spin_lock_bh(&ext_devt_lock);
++		idr_replace(&ext_devt_idr, NULL, blk_mangle_minor(MINOR(devt)));
++		spin_unlock_bh(&ext_devt_lock);
++	}
++}
++
+ static char *bdevt_str(dev_t devt, char *buf)
+ {
+ 	if (MAJOR(devt) <= 0xff && MINOR(devt) <= 0xff) {
+@@ -769,6 +781,13 @@ void del_gendisk(struct gendisk *disk)
+ 
+ 	if (!(disk->flags & GENHD_FL_HIDDEN))
+ 		blk_unregister_region(disk_devt(disk), disk->minors);
++	/*
++	 * Remove gendisk pointer from idr so that it cannot be looked up
++	 * while RCU period before freeing gendisk is running to prevent
++	 * use-after-free issues. Note that the device number stays
++	 * "in-use" until we really free the gendisk.
++	 */
++	blk_invalidate_devt(disk_devt(disk));
+ 
+ 	kobject_put(disk->part0.holder_dir);
+ 	kobject_put(disk->slave_dir);
+diff --git a/block/partition-generic.c b/block/partition-generic.c
+index 5f8db5c5140f..98d60a59b843 100644
+--- a/block/partition-generic.c
++++ b/block/partition-generic.c
+@@ -289,6 +289,13 @@ void delete_partition(struct gendisk *disk, int partno)
+ 	kobject_put(part->holder_dir);
+ 	device_del(part_to_dev(part));
+ 
++	/*
++	 * Remove gendisk pointer from idr so that it cannot be looked up
++	 * while RCU period before freeing gendisk is running to prevent
++	 * use-after-free issues. Note that the device number stays
++	 * "in-use" until we really free the gendisk.
++	 */
++	blk_invalidate_devt(part_devt(part));
+ 	hd_struct_kill(part);
+ }
+ 
+diff --git a/block/sed-opal.c b/block/sed-opal.c
+index e0de4dd448b3..119640897293 100644
+--- a/block/sed-opal.c
++++ b/block/sed-opal.c
+@@ -2095,13 +2095,16 @@ static int opal_erase_locking_range(struct opal_dev *dev,
+ static int opal_enable_disable_shadow_mbr(struct opal_dev *dev,
+ 					  struct opal_mbr_data *opal_mbr)
+ {
++	u8 enable_disable = opal_mbr->enable_disable == OPAL_MBR_ENABLE ?
++		OPAL_TRUE : OPAL_FALSE;
++
+ 	const struct opal_step mbr_steps[] = {
+ 		{ opal_discovery0, },
+ 		{ start_admin1LSP_opal_session, &opal_mbr->key },
+-		{ set_mbr_done, &opal_mbr->enable_disable },
++		{ set_mbr_done, &enable_disable },
+ 		{ end_opal_session, },
+ 		{ start_admin1LSP_opal_session, &opal_mbr->key },
+-		{ set_mbr_enable_disable, &opal_mbr->enable_disable },
++		{ set_mbr_enable_disable, &enable_disable },
+ 		{ end_opal_session, },
+ 		{ NULL, }
+ 	};
+@@ -2221,7 +2224,7 @@ static int __opal_lock_unlock(struct opal_dev *dev,
+ 
+ static int __opal_set_mbr_done(struct opal_dev *dev, struct opal_key *key)
+ {
+-	u8 mbr_done_tf = 1;
++	u8 mbr_done_tf = OPAL_TRUE;
+ 	const struct opal_step mbrdone_step [] = {
+ 		{ opal_discovery0, },
+ 		{ start_admin1LSP_opal_session, key },
+diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
+index e48eebc27b81..43c2615434b4 100644
+--- a/drivers/acpi/arm64/iort.c
++++ b/drivers/acpi/arm64/iort.c
+@@ -1231,18 +1231,24 @@ static bool __init arm_smmu_v3_is_coherent(struct acpi_iort_node *node)
+ /*
+  * set numa proximity domain for smmuv3 device
+  */
+-static void  __init arm_smmu_v3_set_proximity(struct device *dev,
++static int  __init arm_smmu_v3_set_proximity(struct device *dev,
+ 					      struct acpi_iort_node *node)
+ {
+ 	struct acpi_iort_smmu_v3 *smmu;
+ 
+ 	smmu = (struct acpi_iort_smmu_v3 *)node->node_data;
+ 	if (smmu->flags & ACPI_IORT_SMMU_V3_PXM_VALID) {
+-		set_dev_node(dev, acpi_map_pxm_to_node(smmu->pxm));
++		int node = acpi_map_pxm_to_node(smmu->pxm);
++
++		if (node != NUMA_NO_NODE && !node_online(node))
++			return -EINVAL;
++
++		set_dev_node(dev, node);
+ 		pr_info("SMMU-v3[%llx] Mapped to Proximity domain %d\n",
+ 			smmu->base_address,
+ 			smmu->pxm);
+ 	}
++	return 0;
+ }
+ #else
+ #define arm_smmu_v3_set_proximity NULL
+@@ -1317,7 +1323,7 @@ struct iort_dev_config {
+ 	int (*dev_count_resources)(struct acpi_iort_node *node);
+ 	void (*dev_init_resources)(struct resource *res,
+ 				     struct acpi_iort_node *node);
+-	void (*dev_set_proximity)(struct device *dev,
++	int (*dev_set_proximity)(struct device *dev,
+ 				    struct acpi_iort_node *node);
+ };
+ 
+@@ -1368,8 +1374,11 @@ static int __init iort_add_platform_device(struct acpi_iort_node *node,
+ 	if (!pdev)
+ 		return -ENOMEM;
+ 
+-	if (ops->dev_set_proximity)
+-		ops->dev_set_proximity(&pdev->dev, node);
++	if (ops->dev_set_proximity) {
++		ret = ops->dev_set_proximity(&pdev->dev, node);
++		if (ret)
++			goto dev_put;
++	}
+ 
+ 	count = ops->dev_count_resources(node);
+ 
+diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
+index 693cf05b0cc4..288673cff85e 100644
+--- a/drivers/acpi/property.c
++++ b/drivers/acpi/property.c
+@@ -975,6 +975,14 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
+ 		const struct acpi_data_node *data = to_acpi_data_node(fwnode);
+ 		struct acpi_data_node *dn;
+ 
++		/*
++		 * We can have a combination of device and data nodes, e.g. with
++		 * hierarchical _DSD properties. Make sure the adev pointer is
++		 * restored before going through data nodes, otherwise we will
++		 * be looking for data_nodes below the last device found instead
++		 * of the common fwnode shared by device_nodes and data_nodes.
++		 */
++		adev = to_acpi_device_node(fwnode);
+ 		if (adev)
+ 			head = &adev->data.subnodes;
+ 		else if (data)
+diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
+index a690fd400260..4abd7c6531d9 100644
+--- a/drivers/base/power/main.c
++++ b/drivers/base/power/main.c
+@@ -1736,6 +1736,10 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
+ 	if (dev->power.syscore)
+ 		goto Complete;
+ 
++	/* Avoid direct_complete to let wakeup_path propagate. */
++	if (device_may_wakeup(dev) || dev->power.wakeup_path)
++		dev->power.direct_complete = false;
++
+ 	if (dev->power.direct_complete) {
+ 		if (pm_runtime_status_suspended(dev)) {
+ 			pm_runtime_disable(dev);
+diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
+index f0d593c3fa72..77004c29da08 100644
+--- a/drivers/bluetooth/hci_qca.c
++++ b/drivers/bluetooth/hci_qca.c
+@@ -504,6 +504,8 @@ static int qca_open(struct hci_uart *hu)
+ 		qcadev = serdev_device_get_drvdata(hu->serdev);
+ 		if (qcadev->btsoc_type != QCA_WCN3990) {
+ 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
++			/* Controller needs time to bootup. */
++			msleep(150);
+ 		} else {
+ 			hu->init_speed = qcadev->init_speed;
+ 			hu->oper_speed = qcadev->oper_speed;
+diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
+index b65ff6962899..e9b6ac61fb7f 100644
+--- a/drivers/char/hw_random/omap-rng.c
++++ b/drivers/char/hw_random/omap-rng.c
+@@ -443,6 +443,7 @@ static int omap_rng_probe(struct platform_device *pdev)
+ 	priv->rng.read = omap_rng_do_read;
+ 	priv->rng.init = omap_rng_init;
+ 	priv->rng.cleanup = omap_rng_cleanup;
++	priv->rng.quality = 900;
+ 
+ 	priv->rng.priv = (unsigned long)priv;
+ 	platform_set_drvdata(pdev, priv);
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index c75b6cdf0053..0a84b7f468ad 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -778,6 +778,7 @@ static struct crng_state **crng_node_pool __read_mostly;
+ #endif
+ 
+ static void invalidate_batched_entropy(void);
++static void numa_crng_init(void);
+ 
+ static bool trust_cpu __ro_after_init = IS_ENABLED(CONFIG_RANDOM_TRUST_CPU);
+ static int __init parse_trust_cpu(char *arg)
+@@ -806,7 +807,9 @@ static void crng_initialize(struct crng_state *crng)
+ 		}
+ 		crng->state[i] ^= rv;
+ 	}
+-	if (trust_cpu && arch_init) {
++	if (trust_cpu && arch_init && crng == &primary_crng) {
++		invalidate_batched_entropy();
++		numa_crng_init();
+ 		crng_init = 2;
+ 		pr_notice("random: crng done (trusting CPU's manufacturer)\n");
+ 	}
+@@ -2212,8 +2215,8 @@ struct batched_entropy {
+ 		u32 entropy_u32[CHACHA20_BLOCK_SIZE / sizeof(u32)];
+ 	};
+ 	unsigned int position;
++	spinlock_t batch_lock;
+ };
+-static rwlock_t batched_entropy_reset_lock = __RW_LOCK_UNLOCKED(batched_entropy_reset_lock);
+ 
+ /*
+  * Get a random word for internal kernel use only. The quality of the random
+@@ -2223,12 +2226,14 @@ static rwlock_t batched_entropy_reset_lock = __RW_LOCK_UNLOCKED(batched_entropy_
+  * wait_for_random_bytes() should be called and return 0 at least once
+  * at any point prior.
+  */
+-static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64);
++static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64) = {
++	.batch_lock	= __SPIN_LOCK_UNLOCKED(batched_entropy_u64.lock),
++};
++
+ u64 get_random_u64(void)
+ {
+ 	u64 ret;
+-	bool use_lock;
+-	unsigned long flags = 0;
++	unsigned long flags;
+ 	struct batched_entropy *batch;
+ 	static void *previous;
+ 
+@@ -2243,28 +2248,25 @@ u64 get_random_u64(void)
+ 
+ 	warn_unseeded_randomness(&previous);
+ 
+-	use_lock = READ_ONCE(crng_init) < 2;
+-	batch = &get_cpu_var(batched_entropy_u64);
+-	if (use_lock)
+-		read_lock_irqsave(&batched_entropy_reset_lock, flags);
++	batch = raw_cpu_ptr(&batched_entropy_u64);
++	spin_lock_irqsave(&batch->batch_lock, flags);
+ 	if (batch->position % ARRAY_SIZE(batch->entropy_u64) == 0) {
+ 		extract_crng((__u32 *)batch->entropy_u64);
+ 		batch->position = 0;
+ 	}
+ 	ret = batch->entropy_u64[batch->position++];
+-	if (use_lock)
+-		read_unlock_irqrestore(&batched_entropy_reset_lock, flags);
+-	put_cpu_var(batched_entropy_u64);
++	spin_unlock_irqrestore(&batch->batch_lock, flags);
+ 	return ret;
+ }
+ EXPORT_SYMBOL(get_random_u64);
+ 
+-static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32);
++static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32) = {
++	.batch_lock	= __SPIN_LOCK_UNLOCKED(batched_entropy_u32.lock),
++};
+ u32 get_random_u32(void)
+ {
+ 	u32 ret;
+-	bool use_lock;
+-	unsigned long flags = 0;
++	unsigned long flags;
+ 	struct batched_entropy *batch;
+ 	static void *previous;
+ 
+@@ -2273,18 +2275,14 @@ u32 get_random_u32(void)
+ 
+ 	warn_unseeded_randomness(&previous);
+ 
+-	use_lock = READ_ONCE(crng_init) < 2;
+-	batch = &get_cpu_var(batched_entropy_u32);
+-	if (use_lock)
+-		read_lock_irqsave(&batched_entropy_reset_lock, flags);
++	batch = raw_cpu_ptr(&batched_entropy_u32);
++	spin_lock_irqsave(&batch->batch_lock, flags);
+ 	if (batch->position % ARRAY_SIZE(batch->entropy_u32) == 0) {
+ 		extract_crng(batch->entropy_u32);
+ 		batch->position = 0;
+ 	}
+ 	ret = batch->entropy_u32[batch->position++];
+-	if (use_lock)
+-		read_unlock_irqrestore(&batched_entropy_reset_lock, flags);
+-	put_cpu_var(batched_entropy_u32);
++	spin_unlock_irqrestore(&batch->batch_lock, flags);
+ 	return ret;
+ }
+ EXPORT_SYMBOL(get_random_u32);
+@@ -2298,12 +2296,19 @@ static void invalidate_batched_entropy(void)
+ 	int cpu;
+ 	unsigned long flags;
+ 
+-	write_lock_irqsave(&batched_entropy_reset_lock, flags);
+ 	for_each_possible_cpu (cpu) {
+-		per_cpu_ptr(&batched_entropy_u32, cpu)->position = 0;
+-		per_cpu_ptr(&batched_entropy_u64, cpu)->position = 0;
++		struct batched_entropy *batched_entropy;
++
++		batched_entropy = per_cpu_ptr(&batched_entropy_u32, cpu);
++		spin_lock_irqsave(&batched_entropy->batch_lock, flags);
++		batched_entropy->position = 0;
++		spin_unlock(&batched_entropy->batch_lock);
++
++		batched_entropy = per_cpu_ptr(&batched_entropy_u64, cpu);
++		spin_lock(&batched_entropy->batch_lock);
++		batched_entropy->position = 0;
++		spin_unlock_irqrestore(&batched_entropy->batch_lock, flags);
+ 	}
+-	write_unlock_irqrestore(&batched_entropy_reset_lock, flags);
+ }
+ 
+ /**
+diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
+index 5b5b5d72eab7..c55f6aeb4227 100644
+--- a/drivers/char/virtio_console.c
++++ b/drivers/char/virtio_console.c
+@@ -75,7 +75,7 @@ struct ports_driver_data {
+ 	/* All the console devices handled by this driver */
+ 	struct list_head consoles;
+ };
+-static struct ports_driver_data pdrvdata;
++static struct ports_driver_data pdrvdata = { .next_vtermno = 1};
+ 
+ static DEFINE_SPINLOCK(pdrvdata_lock);
+ static DECLARE_COMPLETION(early_console_added);
+@@ -1405,6 +1405,7 @@ static int add_port(struct ports_device *portdev, u32 id)
+ 	port->async_queue = NULL;
+ 
+ 	port->cons.ws.ws_row = port->cons.ws.ws_col = 0;
++	port->cons.vtermno = 0;
+ 
+ 	port->host_connected = port->guest_connected = false;
+ 	port->stats = (struct port_stats) { 0 };
+diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
+index 450de24a1b42..64191694ff6e 100644
+--- a/drivers/clk/rockchip/clk-rk3288.c
++++ b/drivers/clk/rockchip/clk-rk3288.c
+@@ -198,7 +198,7 @@ PNAME(mux_hsadcout_p)	= { "hsadc_src", "ext_hsadc" };
+ PNAME(mux_edp_24m_p)	= { "ext_edp_24m", "xin24m" };
+ PNAME(mux_tspout_p)	= { "cpll", "gpll", "npll", "xin27m" };
+ 
+-PNAME(mux_aclk_vcodec_pre_p)	= { "aclk_vepu", "aclk_vdpu" };
++PNAME(mux_aclk_vcodec_pre_p)	= { "aclk_vdpu", "aclk_vepu" };
+ PNAME(mux_usbphy480m_p)		= { "sclk_otgphy1_480m", "sclk_otgphy2_480m",
+ 				    "sclk_otgphy0_480m" };
+ PNAME(mux_hsicphy480m_p)	= { "cpll", "gpll", "usbphy480m_src" };
+@@ -292,13 +292,13 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
+ 	COMPOSITE_NOMUX(0, "aclk_core_mp", "armclk", CLK_IGNORE_UNUSED,
+ 			RK3288_CLKSEL_CON(0), 4, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
+ 			RK3288_CLKGATE_CON(12), 6, GFLAGS),
+-	COMPOSITE_NOMUX(0, "atclk", "armclk", CLK_IGNORE_UNUSED,
++	COMPOSITE_NOMUX(0, "atclk", "armclk", 0,
+ 			RK3288_CLKSEL_CON(37), 4, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
+ 			RK3288_CLKGATE_CON(12), 7, GFLAGS),
+ 	COMPOSITE_NOMUX(0, "pclk_dbg_pre", "armclk", CLK_IGNORE_UNUSED,
+ 			RK3288_CLKSEL_CON(37), 9, 5, DFLAGS | CLK_DIVIDER_READ_ONLY,
+ 			RK3288_CLKGATE_CON(12), 8, GFLAGS),
+-	GATE(0, "pclk_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
++	GATE(0, "pclk_dbg", "pclk_dbg_pre", 0,
+ 			RK3288_CLKGATE_CON(12), 9, GFLAGS),
+ 	GATE(0, "cs_dbg", "pclk_dbg_pre", CLK_IGNORE_UNUSED,
+ 			RK3288_CLKGATE_CON(12), 10, GFLAGS),
+@@ -399,7 +399,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
+ 	COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0,
+ 			RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS,
+ 			RK3288_CLKGATE_CON(3), 11, GFLAGS),
+-	MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, 0,
++	MUXGRF(0, "aclk_vcodec_pre", mux_aclk_vcodec_pre_p, CLK_SET_RATE_PARENT,
+ 			RK3288_GRF_SOC_CON(0), 7, 1, MFLAGS),
+ 	GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vcodec_pre", 0,
+ 		RK3288_CLKGATE_CON(9), 0, GFLAGS),
+@@ -626,7 +626,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
+ 	INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
+ 			RK3288_CLKSEL_CON(22), 7, IFLAGS),
+ 
+-	GATE(0, "jtag", "ext_jtag", CLK_IGNORE_UNUSED,
++	GATE(0, "jtag", "ext_jtag", 0,
+ 			RK3288_CLKGATE_CON(4), 14, GFLAGS),
+ 
+ 	COMPOSITE_NODIV(SCLK_USBPHY480M_SRC, "usbphy480m_src", mux_usbphy480m_p, 0,
+@@ -635,7 +635,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
+ 	COMPOSITE_NODIV(SCLK_HSICPHY480M, "sclk_hsicphy480m", mux_hsicphy480m_p, 0,
+ 			RK3288_CLKSEL_CON(29), 0, 2, MFLAGS,
+ 			RK3288_CLKGATE_CON(3), 6, GFLAGS),
+-	GATE(0, "hsicphy12m_xin12m", "xin12m", CLK_IGNORE_UNUSED,
++	GATE(0, "hsicphy12m_xin12m", "xin12m", 0,
+ 			RK3288_CLKGATE_CON(13), 9, GFLAGS),
+ 	DIV(0, "hsicphy12m_usbphy", "sclk_hsicphy480m", 0,
+ 			RK3288_CLKSEL_CON(11), 8, 6, DFLAGS),
+@@ -676,7 +676,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
+ 	GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS),
+ 	GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS),
+ 	GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS),
+-	GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS),
++	GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 11, GFLAGS),
+ 
+ 	/* ddrctrl [DDR Controller PHY clock] gates */
+ 	GATE(0, "nclk_ddrupctl0", "ddrphy", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 4, GFLAGS),
+@@ -816,12 +816,9 @@ static const char *const rk3288_critical_clocks[] __initconst = {
+ 	"pclk_alive_niu",
+ 	"pclk_pd_pmu",
+ 	"pclk_pmu_niu",
+-	"pclk_core_niu",
+-	"pclk_ddrupctl0",
+-	"pclk_publ0",
+-	"pclk_ddrupctl1",
+-	"pclk_publ1",
+ 	"pmu_hclk_otg0",
++	/* pwm-regulators on some boards, so handoff-critical later */
++	"pclk_rkpwm",
+ };
+ 
+ static void __iomem *rk3288_cru_base;
+diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
+index 505c9a55d555..d3213594d1a7 100644
+--- a/drivers/cpufreq/cpufreq.c
++++ b/drivers/cpufreq/cpufreq.c
+@@ -1103,6 +1103,7 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu)
+ 				   cpufreq_global_kobject, "policy%u", cpu);
+ 	if (ret) {
+ 		pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret);
++		kobject_put(&policy->kobj);
+ 		goto err_free_real_cpus;
+ 	}
+ 
+diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
+index 6d53f7d9fc7a..69fc5cf4782f 100644
+--- a/drivers/cpufreq/cpufreq_governor.c
++++ b/drivers/cpufreq/cpufreq_governor.c
+@@ -459,6 +459,8 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy)
+ 	/* Failure, so roll back. */
+ 	pr_err("initialization failed (dbs_data kobject init error %d)\n", ret);
+ 
++	kobject_put(&dbs_data->attr_set.kobj);
++
+ 	policy->governor_data = NULL;
+ 
+ 	if (!have_governor_per_policy())
+diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
+index c2dd43f3f5d8..8d63a6dc8383 100644
+--- a/drivers/cpufreq/kirkwood-cpufreq.c
++++ b/drivers/cpufreq/kirkwood-cpufreq.c
+@@ -124,13 +124,14 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev)
+ 	priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk");
+ 	if (IS_ERR(priv.cpu_clk)) {
+ 		dev_err(priv.dev, "Unable to get cpuclk\n");
+-		return PTR_ERR(priv.cpu_clk);
++		err = PTR_ERR(priv.cpu_clk);
++		goto out_node;
+ 	}
+ 
+ 	err = clk_prepare_enable(priv.cpu_clk);
+ 	if (err) {
+ 		dev_err(priv.dev, "Unable to prepare cpuclk\n");
+-		return err;
++		goto out_node;
+ 	}
+ 
+ 	kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000;
+@@ -161,20 +162,22 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev)
+ 		goto out_ddr;
+ 	}
+ 
+-	of_node_put(np);
+-	np = NULL;
+-
+ 	err = cpufreq_register_driver(&kirkwood_cpufreq_driver);
+-	if (!err)
+-		return 0;
++	if (err) {
++		dev_err(priv.dev, "Failed to register cpufreq driver\n");
++		goto out_powersave;
++	}
+ 
+-	dev_err(priv.dev, "Failed to register cpufreq driver\n");
++	of_node_put(np);
++	return 0;
+ 
++out_powersave:
+ 	clk_disable_unprepare(priv.powersave_clk);
+ out_ddr:
+ 	clk_disable_unprepare(priv.ddr_clk);
+ out_cpu:
+ 	clk_disable_unprepare(priv.cpu_clk);
++out_node:
+ 	of_node_put(np);
+ 
+ 	return err;
+diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c
+index 75dfbd2a58ea..c7710c149de8 100644
+--- a/drivers/cpufreq/pasemi-cpufreq.c
++++ b/drivers/cpufreq/pasemi-cpufreq.c
+@@ -146,6 +146,7 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
+ 
+ 	cpu = of_get_cpu_node(policy->cpu, NULL);
+ 
++	of_node_put(cpu);
+ 	if (!cpu)
+ 		goto out;
+ 
+diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c
+index 61ae06ca008e..e225edb5c359 100644
+--- a/drivers/cpufreq/pmac32-cpufreq.c
++++ b/drivers/cpufreq/pmac32-cpufreq.c
+@@ -552,6 +552,7 @@ static int pmac_cpufreq_init_7447A(struct device_node *cpunode)
+ 	volt_gpio_np = of_find_node_by_name(NULL, "cpu-vcore-select");
+ 	if (volt_gpio_np)
+ 		voltage_gpio = read_gpio(volt_gpio_np);
++	of_node_put(volt_gpio_np);
+ 	if (!voltage_gpio){
+ 		pr_err("missing cpu-vcore-select gpio\n");
+ 		return 1;
+@@ -588,6 +589,7 @@ static int pmac_cpufreq_init_750FX(struct device_node *cpunode)
+ 	if (volt_gpio_np)
+ 		voltage_gpio = read_gpio(volt_gpio_np);
+ 
++	of_node_put(volt_gpio_np);
+ 	pvr = mfspr(SPRN_PVR);
+ 	has_cpu_l2lve = !((pvr & 0xf00) == 0x100);
+ 
+diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.c b/drivers/cpufreq/ppc_cbe_cpufreq.c
+index 41a0f0be3f9f..8414c3a4ea08 100644
+--- a/drivers/cpufreq/ppc_cbe_cpufreq.c
++++ b/drivers/cpufreq/ppc_cbe_cpufreq.c
+@@ -86,6 +86,7 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy)
+ 	if (!cbe_get_cpu_pmd_regs(policy->cpu) ||
+ 	    !cbe_get_cpu_mic_tm_regs(policy->cpu)) {
+ 		pr_info("invalid CBE regs pointers for cpufreq\n");
++		of_node_put(cpu);
+ 		return -EINVAL;
+ 	}
+ 
+diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+index a4b5ff2b72f8..f6936bb3b7be 100644
+--- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
++++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+@@ -240,7 +240,10 @@ static int sun4i_hash(struct ahash_request *areq)
+ 		}
+ 	} else {
+ 		/* Since we have the flag final, we can go up to modulo 4 */
+-		end = ((areq->nbytes + op->len) / 4) * 4 - op->len;
++		if (areq->nbytes < 4)
++			end = 0;
++		else
++			end = ((areq->nbytes + op->len) / 4) * 4 - op->len;
+ 	}
+ 
+ 	/* TODO if SGlen % 4 and !op->len then DMA */
+diff --git a/drivers/crypto/vmx/aesp8-ppc.pl b/drivers/crypto/vmx/aesp8-ppc.pl
+index de78282b8f44..9c6b5c1d6a1a 100644
+--- a/drivers/crypto/vmx/aesp8-ppc.pl
++++ b/drivers/crypto/vmx/aesp8-ppc.pl
+@@ -1357,7 +1357,7 @@ Loop_ctr32_enc:
+ 	addi		$idx,$idx,16
+ 	bdnz		Loop_ctr32_enc
+ 
+-	vadduwm		$ivec,$ivec,$one
++	vadduqm		$ivec,$ivec,$one
+ 	 vmr		$dat,$inptail
+ 	 lvx		$inptail,0,$inp
+ 	 addi		$inp,$inp,16
+diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
+index a75b95fac3bd..db5b8fe1dd4a 100644
+--- a/drivers/dma/at_xdmac.c
++++ b/drivers/dma/at_xdmac.c
+@@ -1606,7 +1606,11 @@ static void at_xdmac_tasklet(unsigned long data)
+ 					struct at_xdmac_desc,
+ 					xfer_node);
+ 		dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, desc);
+-		BUG_ON(!desc->active_xfer);
++		if (!desc->active_xfer) {
++			dev_err(chan2dev(&atchan->chan), "Xfer not active: exiting");
++			spin_unlock_bh(&atchan->lock);
++			return;
++		}
+ 
+ 		txd = &desc->tx_dma_desc;
+ 
+diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
+index 88750a34e859..bc8050c025b7 100644
+--- a/drivers/dma/pl330.c
++++ b/drivers/dma/pl330.c
+@@ -961,6 +961,7 @@ static void _stop(struct pl330_thread *thrd)
+ {
+ 	void __iomem *regs = thrd->dmac->base;
+ 	u8 insn[6] = {0, 0, 0, 0, 0, 0};
++	u32 inten = readl(regs + INTEN);
+ 
+ 	if (_state(thrd) == PL330_STATE_FAULT_COMPLETING)
+ 		UNTIL(thrd, PL330_STATE_FAULTING | PL330_STATE_KILLING);
+@@ -973,10 +974,13 @@ static void _stop(struct pl330_thread *thrd)
+ 
+ 	_emit_KILL(0, insn);
+ 
+-	/* Stop generating interrupts for SEV */
+-	writel(readl(regs + INTEN) & ~(1 << thrd->ev), regs + INTEN);
+-
+ 	_execute_DBGINSN(thrd, insn, is_manager(thrd));
++
++	/* clear the event */
++	if (inten & (1 << thrd->ev))
++		writel(1 << thrd->ev, regs + INTCLR);
++	/* Stop generating interrupts for SEV */
++	writel(inten & ~(1 << thrd->ev), regs + INTEN);
+ }
+ 
+ /* Start doing req 'idx' of thread 'thrd' */
+diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
+index b26256f23d67..09b6756366c3 100644
+--- a/drivers/dma/tegra210-adma.c
++++ b/drivers/dma/tegra210-adma.c
+@@ -22,7 +22,6 @@
+ #include <linux/of_device.h>
+ #include <linux/of_dma.h>
+ #include <linux/of_irq.h>
+-#include <linux/pm_clock.h>
+ #include <linux/pm_runtime.h>
+ #include <linux/slab.h>
+ 
+@@ -141,6 +140,7 @@ struct tegra_adma {
+ 	struct dma_device		dma_dev;
+ 	struct device			*dev;
+ 	void __iomem			*base_addr;
++	struct clk			*ahub_clk;
+ 	unsigned int			nr_channels;
+ 	unsigned long			rx_requests_reserved;
+ 	unsigned long			tx_requests_reserved;
+@@ -637,8 +637,9 @@ static int tegra_adma_runtime_suspend(struct device *dev)
+ 	struct tegra_adma *tdma = dev_get_drvdata(dev);
+ 
+ 	tdma->global_cmd = tdma_read(tdma, ADMA_GLOBAL_CMD);
++	clk_disable_unprepare(tdma->ahub_clk);
+ 
+-	return pm_clk_suspend(dev);
++	return 0;
+ }
+ 
+ static int tegra_adma_runtime_resume(struct device *dev)
+@@ -646,10 +647,11 @@ static int tegra_adma_runtime_resume(struct device *dev)
+ 	struct tegra_adma *tdma = dev_get_drvdata(dev);
+ 	int ret;
+ 
+-	ret = pm_clk_resume(dev);
+-	if (ret)
++	ret = clk_prepare_enable(tdma->ahub_clk);
++	if (ret) {
++		dev_err(dev, "ahub clk_enable failed: %d\n", ret);
+ 		return ret;
+-
++	}
+ 	tdma_write(tdma, ADMA_GLOBAL_CMD, tdma->global_cmd);
+ 
+ 	return 0;
+@@ -692,13 +694,11 @@ static int tegra_adma_probe(struct platform_device *pdev)
+ 	if (IS_ERR(tdma->base_addr))
+ 		return PTR_ERR(tdma->base_addr);
+ 
+-	ret = pm_clk_create(&pdev->dev);
+-	if (ret)
+-		return ret;
+-
+-	ret = of_pm_clk_add_clk(&pdev->dev, "d_audio");
+-	if (ret)
+-		goto clk_destroy;
++	tdma->ahub_clk = devm_clk_get(&pdev->dev, "d_audio");
++	if (IS_ERR(tdma->ahub_clk)) {
++		dev_err(&pdev->dev, "Error: Missing ahub controller clock\n");
++		return PTR_ERR(tdma->ahub_clk);
++	}
+ 
+ 	pm_runtime_enable(&pdev->dev);
+ 
+@@ -775,8 +775,6 @@ rpm_put:
+ 	pm_runtime_put_sync(&pdev->dev);
+ rpm_disable:
+ 	pm_runtime_disable(&pdev->dev);
+-clk_destroy:
+-	pm_clk_destroy(&pdev->dev);
+ 
+ 	return ret;
+ }
+@@ -786,6 +784,7 @@ static int tegra_adma_remove(struct platform_device *pdev)
+ 	struct tegra_adma *tdma = platform_get_drvdata(pdev);
+ 	int i;
+ 
++	of_dma_controller_free(pdev->dev.of_node);
+ 	dma_async_device_unregister(&tdma->dma_dev);
+ 
+ 	for (i = 0; i < tdma->nr_channels; ++i)
+@@ -793,7 +792,6 @@ static int tegra_adma_remove(struct platform_device *pdev)
+ 
+ 	pm_runtime_put_sync(&pdev->dev);
+ 	pm_runtime_disable(&pdev->dev);
+-	pm_clk_destroy(&pdev->dev);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
+index da0e9bc4262f..9327479c719c 100644
+--- a/drivers/extcon/extcon-arizona.c
++++ b/drivers/extcon/extcon-arizona.c
+@@ -1726,6 +1726,16 @@ static int arizona_extcon_remove(struct platform_device *pdev)
+ 	struct arizona_extcon_info *info = platform_get_drvdata(pdev);
+ 	struct arizona *arizona = info->arizona;
+ 	int jack_irq_rise, jack_irq_fall;
++	bool change;
++
++	regmap_update_bits_check(arizona->regmap, ARIZONA_MIC_DETECT_1,
++				 ARIZONA_MICD_ENA, 0,
++				 &change);
++
++	if (change) {
++		regulator_disable(info->micvdd);
++		pm_runtime_put(info->dev);
++	}
+ 
+ 	gpiod_put(info->micd_pol_gpio);
+ 
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+index 7056925eb386..869ff624b108 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+@@ -136,8 +136,9 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f,
+ {
+ 	struct amdgpu_device *adev = ring->adev;
+ 	struct amdgpu_fence *fence;
+-	struct dma_fence *old, **ptr;
++	struct dma_fence __rcu **ptr;
+ 	uint32_t seq;
++	int r;
+ 
+ 	fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL);
+ 	if (fence == NULL)
+@@ -153,15 +154,24 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f,
+ 			       seq, flags | AMDGPU_FENCE_FLAG_INT);
+ 
+ 	ptr = &ring->fence_drv.fences[seq & ring->fence_drv.num_fences_mask];
++	if (unlikely(rcu_dereference_protected(*ptr, 1))) {
++		struct dma_fence *old;
++
++		rcu_read_lock();
++		old = dma_fence_get_rcu_safe(ptr);
++		rcu_read_unlock();
++
++		if (old) {
++			r = dma_fence_wait(old, false);
++			dma_fence_put(old);
++			if (r)
++				return r;
++		}
++	}
++
+ 	/* This function can't be called concurrently anyway, otherwise
+ 	 * emitting the fence would mess up the hardware ring buffer.
+ 	 */
+-	old = rcu_dereference_protected(*ptr, 1);
+-	if (old && !dma_fence_is_signaled(old)) {
+-		DRM_INFO("rcu slot is busy\n");
+-		dma_fence_wait(old, false);
+-	}
+-
+ 	rcu_assign_pointer(*ptr, dma_fence_get(&fence->base));
+ 
+ 	*f = &fence->base;
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+index 76ee2de43ea6..dac7978f5ee1 100644
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+@@ -4369,8 +4369,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
+ static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state,
+ 						struct dc_stream_state *stream_state)
+ {
+-	stream_state->mode_changed =
+-		crtc_state->mode_changed || crtc_state->active_changed;
++	stream_state->mode_changed = drm_atomic_crtc_needs_modeset(crtc_state);
+ }
+ 
+ static int amdgpu_dm_atomic_commit(struct drm_device *dev,
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+index 87bf422f16be..e0a96abb3c46 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+@@ -1401,10 +1401,12 @@ bool dc_remove_plane_from_context(
+ 			 * For head pipe detach surfaces from pipe for tail
+ 			 * pipe just zero it out
+ 			 */
+-			if (!pipe_ctx->top_pipe) {
++			if (!pipe_ctx->top_pipe ||
++				(!pipe_ctx->top_pipe->top_pipe &&
++					pipe_ctx->top_pipe->stream_res.opp != pipe_ctx->stream_res.opp)) {
+ 				pipe_ctx->plane_state = NULL;
+ 				pipe_ctx->bottom_pipe = NULL;
+-			} else  {
++			} else {
+ 				memset(pipe_ctx, 0, sizeof(*pipe_ctx));
+ 			}
+ 		}
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
+index 4a863a5dab41..321af9af95e8 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c
+@@ -406,15 +406,25 @@ void dpp1_dscl_calc_lb_num_partitions(
+ 		int *num_part_y,
+ 		int *num_part_c)
+ {
++	int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a,
++	lb_bpc, memory_line_size_y, memory_line_size_c, memory_line_size_a;
++
+ 	int line_size = scl_data->viewport.width < scl_data->recout.width ?
+ 			scl_data->viewport.width : scl_data->recout.width;
+ 	int line_size_c = scl_data->viewport_c.width < scl_data->recout.width ?
+ 			scl_data->viewport_c.width : scl_data->recout.width;
+-	int lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth);
+-	int memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */
+-	int memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */
+-	int memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
+-	int lb_memory_size, lb_memory_size_c, lb_memory_size_a, num_partitions_a;
++
++	if (line_size == 0)
++		line_size = 1;
++
++	if (line_size_c == 0)
++		line_size_c = 1;
++
++
++	lb_bpc = dpp1_dscl_get_lb_depth_bpc(scl_data->lb_params.depth);
++	memory_line_size_y = (line_size * lb_bpc + 71) / 72; /* +71 to ceil */
++	memory_line_size_c = (line_size_c * lb_bpc + 71) / 72; /* +71 to ceil */
++	memory_line_size_a = (line_size + 5) / 6; /* +5 to ceil */
+ 
+ 	if (lb_config == LB_MEMORY_CONFIG_1) {
+ 		lb_memory_size = 816;
+diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
+index 0201ccb22f4c..d8ae4ca129c7 100644
+--- a/drivers/gpu/drm/drm_drv.c
++++ b/drivers/gpu/drm/drm_drv.c
+@@ -499,7 +499,7 @@ int drm_dev_init(struct drm_device *dev,
+ 	}
+ 
+ 	kref_init(&dev->ref);
+-	dev->dev = parent;
++	dev->dev = get_device(parent);
+ 	dev->driver = driver;
+ 
+ 	INIT_LIST_HEAD(&dev->filelist);
+@@ -568,6 +568,7 @@ err_minors:
+ 	drm_minor_free(dev, DRM_MINOR_RENDER);
+ 	drm_fs_inode_free(dev->anon_inode);
+ err_free:
++	put_device(dev->dev);
+ 	mutex_destroy(&dev->master_mutex);
+ 	mutex_destroy(&dev->ctxlist_mutex);
+ 	mutex_destroy(&dev->clientlist_mutex);
+@@ -603,6 +604,8 @@ void drm_dev_fini(struct drm_device *dev)
+ 	drm_minor_free(dev, DRM_MINOR_PRIMARY);
+ 	drm_minor_free(dev, DRM_MINOR_RENDER);
+ 
++	put_device(dev->dev);
++
+ 	mutex_destroy(&dev->master_mutex);
+ 	mutex_destroy(&dev->ctxlist_mutex);
+ 	mutex_destroy(&dev->clientlist_mutex);
+diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
+index e4ccb52c67ea..334addaca9c5 100644
+--- a/drivers/gpu/drm/drm_file.c
++++ b/drivers/gpu/drm/drm_file.c
+@@ -567,6 +567,7 @@ put_back_event:
+ 				file_priv->event_space -= length;
+ 				list_add(&e->link, &file_priv->event_list);
+ 				spin_unlock_irq(&dev->event_lock);
++				wake_up_interruptible(&file_priv->event_wait);
+ 				break;
+ 			}
+ 
+diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+index 83c1f46670bf..00675fcbffa2 100644
+--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
++++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+@@ -527,6 +527,9 @@ static int etnaviv_bind(struct device *dev)
+ 	}
+ 	drm->dev_private = priv;
+ 
++	dev->dma_parms = &priv->dma_parms;
++	dma_set_max_seg_size(dev, SZ_2G);
++
+ 	mutex_init(&priv->gem_lock);
+ 	INIT_LIST_HEAD(&priv->gem_list);
+ 	priv->num_gpus = 0;
+@@ -564,6 +567,8 @@ static void etnaviv_unbind(struct device *dev)
+ 
+ 	component_unbind_all(dev, drm);
+ 
++	dev->dma_parms = NULL;
++
+ 	drm->dev_private = NULL;
+ 	kfree(priv);
+ 
+diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.h b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
+index 8d02d1b7dcf5..b2930d1fe97c 100644
+--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.h
++++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.h
+@@ -43,6 +43,7 @@ struct etnaviv_file_private {
+ 
+ struct etnaviv_drm_private {
+ 	int num_gpus;
++	struct device_dma_parameters dma_parms;
+ 	struct etnaviv_gpu *gpu[ETNA_MAX_PIPES];
+ 
+ 	/* list of GEM objects: */
+diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+index ab1d9308c311..ba6f3c14495c 100644
+--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
++++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+@@ -35,7 +35,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname)
+ {
+ 	struct device *dev = &gpu->pdev->dev;
+ 	const struct firmware *fw;
+-	struct device_node *np;
++	struct device_node *np, *mem_np;
+ 	struct resource r;
+ 	phys_addr_t mem_phys;
+ 	ssize_t mem_size;
+@@ -49,11 +49,13 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname)
+ 	if (!np)
+ 		return -ENODEV;
+ 
+-	np = of_parse_phandle(np, "memory-region", 0);
+-	if (!np)
++	mem_np = of_parse_phandle(np, "memory-region", 0);
++	of_node_put(np);
++	if (!mem_np)
+ 		return -EINVAL;
+ 
+-	ret = of_address_to_resource(np, 0, &r);
++	ret = of_address_to_resource(mem_np, 0, &r);
++	of_node_put(mem_np);
+ 	if (ret)
+ 		return ret;
+ 
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
+index 157b076a1272..38c9c086754b 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.c
+@@ -109,7 +109,7 @@ nv50_bar_oneinit(struct nvkm_bar *base)
+ 	struct nvkm_device *device = bar->base.subdev.device;
+ 	static struct lock_class_key bar1_lock;
+ 	static struct lock_class_key bar2_lock;
+-	u64 start, limit;
++	u64 start, limit, size;
+ 	int ret;
+ 
+ 	ret = nvkm_gpuobj_new(device, 0x20000, 0, false, NULL, &bar->mem);
+@@ -127,7 +127,10 @@ nv50_bar_oneinit(struct nvkm_bar *base)
+ 
+ 	/* BAR2 */
+ 	start = 0x0100000000ULL;
+-	limit = start + device->func->resource_size(device, 3);
++	size = device->func->resource_size(device, 3);
++	if (!size)
++		return -ENOMEM;
++	limit = start + size;
+ 
+ 	ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0,
+ 			   &bar2_lock, "bar2", &bar->bar2_vmm);
+@@ -164,7 +167,10 @@ nv50_bar_oneinit(struct nvkm_bar *base)
+ 
+ 	/* BAR1 */
+ 	start = 0x0000000000ULL;
+-	limit = start + device->func->resource_size(device, 1);
++	size = device->func->resource_size(device, 1);
++	if (!size)
++		return -ENOMEM;
++	limit = start + size;
+ 
+ 	ret = nvkm_vmm_new(device, start, limit-- - start, NULL, 0,
+ 			   &bar1_lock, "bar1", &bar->bar1_vmm);
+diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
+index 74467b308721..8160954ebc25 100644
+--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
++++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
+@@ -1386,12 +1386,9 @@ static int dsi_pll_enable(struct dss_pll *pll)
+ 	 */
+ 	dsi_enable_scp_clk(dsi);
+ 
+-	if (!dsi->vdds_dsi_enabled) {
+-		r = regulator_enable(dsi->vdds_dsi_reg);
+-		if (r)
+-			goto err0;
+-		dsi->vdds_dsi_enabled = true;
+-	}
++	r = regulator_enable(dsi->vdds_dsi_reg);
++	if (r)
++		goto err0;
+ 
+ 	/* XXX PLL does not come out of reset without this... */
+ 	dispc_pck_free_enable(dsi->dss->dispc, 1);
+@@ -1416,36 +1413,25 @@ static int dsi_pll_enable(struct dss_pll *pll)
+ 
+ 	return 0;
+ err1:
+-	if (dsi->vdds_dsi_enabled) {
+-		regulator_disable(dsi->vdds_dsi_reg);
+-		dsi->vdds_dsi_enabled = false;
+-	}
++	regulator_disable(dsi->vdds_dsi_reg);
+ err0:
+ 	dsi_disable_scp_clk(dsi);
+ 	dsi_runtime_put(dsi);
+ 	return r;
+ }
+ 
+-static void dsi_pll_uninit(struct dsi_data *dsi, bool disconnect_lanes)
++static void dsi_pll_disable(struct dss_pll *pll)
+ {
++	struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
++
+ 	dsi_pll_power(dsi, DSI_PLL_POWER_OFF);
+-	if (disconnect_lanes) {
+-		WARN_ON(!dsi->vdds_dsi_enabled);
+-		regulator_disable(dsi->vdds_dsi_reg);
+-		dsi->vdds_dsi_enabled = false;
+-	}
++
++	regulator_disable(dsi->vdds_dsi_reg);
+ 
+ 	dsi_disable_scp_clk(dsi);
+ 	dsi_runtime_put(dsi);
+ 
+-	DSSDBG("PLL uninit done\n");
+-}
+-
+-static void dsi_pll_disable(struct dss_pll *pll)
+-{
+-	struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
+-
+-	dsi_pll_uninit(dsi, true);
++	DSSDBG("PLL disable done\n");
+ }
+ 
+ static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s)
+@@ -4195,11 +4181,11 @@ static int dsi_display_init_dsi(struct dsi_data *dsi)
+ 
+ 	r = dss_pll_enable(&dsi->pll);
+ 	if (r)
+-		goto err0;
++		return r;
+ 
+ 	r = dsi_configure_dsi_clocks(dsi);
+ 	if (r)
+-		goto err1;
++		goto err0;
+ 
+ 	dss_select_dsi_clk_source(dsi->dss, dsi->module_id,
+ 				  dsi->module_id == 0 ?
+@@ -4207,6 +4193,14 @@ static int dsi_display_init_dsi(struct dsi_data *dsi)
+ 
+ 	DSSDBG("PLL OK\n");
+ 
++	if (!dsi->vdds_dsi_enabled) {
++		r = regulator_enable(dsi->vdds_dsi_reg);
++		if (r)
++			goto err1;
++
++		dsi->vdds_dsi_enabled = true;
++	}
++
+ 	r = dsi_cio_init(dsi);
+ 	if (r)
+ 		goto err2;
+@@ -4235,10 +4229,13 @@ static int dsi_display_init_dsi(struct dsi_data *dsi)
+ err3:
+ 	dsi_cio_uninit(dsi);
+ err2:
+-	dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
++	regulator_disable(dsi->vdds_dsi_reg);
++	dsi->vdds_dsi_enabled = false;
+ err1:
+-	dss_pll_disable(&dsi->pll);
++	dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
+ err0:
++	dss_pll_disable(&dsi->pll);
++
+ 	return r;
+ }
+ 
+@@ -4257,7 +4254,12 @@ static void dsi_display_uninit_dsi(struct dsi_data *dsi, bool disconnect_lanes,
+ 
+ 	dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
+ 	dsi_cio_uninit(dsi);
+-	dsi_pll_uninit(dsi, disconnect_lanes);
++	dss_pll_disable(&dsi->pll);
++
++	if (disconnect_lanes) {
++		regulator_disable(dsi->vdds_dsi_reg);
++		dsi->vdds_dsi_enabled = false;
++	}
+ }
+ 
+ static int dsi_display_enable(struct omap_dss_device *dssdev)
+diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
+index 87fa316e1d7b..58ccf648b70f 100644
+--- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
++++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c
+@@ -248,6 +248,9 @@ static int otm8009a_init_sequence(struct otm8009a *ctx)
+ 	/* Send Command GRAM memory write (no parameters) */
+ 	dcs_write_seq(ctx, MIPI_DCS_WRITE_MEMORY_START);
+ 
++	/* Wait a short while to let the panel be ready before the 1st frame */
++	mdelay(10);
++
+ 	return 0;
+ }
+ 
+diff --git a/drivers/gpu/drm/pl111/pl111_versatile.c b/drivers/gpu/drm/pl111/pl111_versatile.c
+index b9baefdba38a..1c318ad32a8c 100644
+--- a/drivers/gpu/drm/pl111/pl111_versatile.c
++++ b/drivers/gpu/drm/pl111/pl111_versatile.c
+@@ -330,6 +330,7 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv)
+ 		ret = vexpress_muxfpga_init();
+ 		if (ret) {
+ 			dev_err(dev, "unable to initialize muxfpga driver\n");
++			of_node_put(np);
+ 			return ret;
+ 		}
+ 
+@@ -337,17 +338,20 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv)
+ 		pdev = of_find_device_by_node(np);
+ 		if (!pdev) {
+ 			dev_err(dev, "can't find the sysreg device, deferring\n");
++			of_node_put(np);
+ 			return -EPROBE_DEFER;
+ 		}
+ 		map = dev_get_drvdata(&pdev->dev);
+ 		if (!map) {
+ 			dev_err(dev, "sysreg has not yet probed\n");
+ 			platform_device_put(pdev);
++			of_node_put(np);
+ 			return -EPROBE_DEFER;
+ 		}
+ 	} else {
+ 		map = syscon_node_to_regmap(np);
+ 	}
++	of_node_put(np);
+ 
+ 	if (IS_ERR(map)) {
+ 		dev_err(dev, "no Versatile syscon regmap\n");
+diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+index e3b34a345546..97a0573cc514 100644
+--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
++++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+@@ -357,7 +357,13 @@ static void sun6i_dsi_inst_init(struct sun6i_dsi *dsi,
+ static u16 sun6i_dsi_get_video_start_delay(struct sun6i_dsi *dsi,
+ 					   struct drm_display_mode *mode)
+ {
+-	return mode->vtotal - (mode->vsync_end - mode->vdisplay) + 1;
++	u16 start = clamp(mode->vtotal - mode->vdisplay - 10, 8, 100);
++	u16 delay = mode->vtotal - (mode->vsync_end - mode->vdisplay) + start;
++
++	if (delay > mode->vtotal)
++		delay = delay % mode->vtotal;
++
++	return max_t(u16, delay, 1);
+ }
+ 
+ static void sun6i_dsi_setup_burst(struct sun6i_dsi *dsi,
+diff --git a/drivers/gpu/drm/tinydrm/ili9225.c b/drivers/gpu/drm/tinydrm/ili9225.c
+index 455fefe012f5..6044a01069ce 100644
+--- a/drivers/gpu/drm/tinydrm/ili9225.c
++++ b/drivers/gpu/drm/tinydrm/ili9225.c
+@@ -278,7 +278,7 @@ static void ili9225_pipe_disable(struct drm_simple_display_pipe *pipe)
+ 	mipi->enabled = false;
+ }
+ 
+-static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 cmd, u8 *par,
++static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 *cmd, u8 *par,
+ 			       size_t num)
+ {
+ 	struct spi_device *spi = mipi->spi;
+@@ -288,11 +288,11 @@ static int ili9225_dbi_command(struct mipi_dbi *mipi, u8 cmd, u8 *par,
+ 
+ 	gpiod_set_value_cansleep(mipi->dc, 0);
+ 	speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1);
+-	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1);
++	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, cmd, 1);
+ 	if (ret || !num)
+ 		return ret;
+ 
+-	if (cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes)
++	if (*cmd == ILI9225_WRITE_DATA_TO_GRAM && !mipi->swap_bytes)
+ 		bpw = 16;
+ 
+ 	gpiod_set_value_cansleep(mipi->dc, 1);
+diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c
+index cb3441e51d5f..e772a8a9da80 100644
+--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
++++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
+@@ -144,16 +144,42 @@ EXPORT_SYMBOL(mipi_dbi_command_read);
+  */
+ int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len)
+ {
++	u8 *cmdbuf;
+ 	int ret;
+ 
++	/* SPI requires dma-safe buffers */
++	cmdbuf = kmemdup(&cmd, 1, GFP_KERNEL);
++	if (!cmdbuf)
++		return -ENOMEM;
++
+ 	mutex_lock(&mipi->cmdlock);
+-	ret = mipi->command(mipi, cmd, data, len);
++	ret = mipi->command(mipi, cmdbuf, data, len);
+ 	mutex_unlock(&mipi->cmdlock);
+ 
++	kfree(cmdbuf);
++
+ 	return ret;
+ }
+ EXPORT_SYMBOL(mipi_dbi_command_buf);
+ 
++/* This should only be used by mipi_dbi_command() */
++int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len)
++{
++	u8 *buf;
++	int ret;
++
++	buf = kmemdup(data, len, GFP_KERNEL);
++	if (!buf)
++		return -ENOMEM;
++
++	ret = mipi_dbi_command_buf(mipi, cmd, buf, len);
++
++	kfree(buf);
++
++	return ret;
++}
++EXPORT_SYMBOL(mipi_dbi_command_stackbuf);
++
+ /**
+  * mipi_dbi_buf_copy - Copy a framebuffer, transforming it if necessary
+  * @dst: The destination buffer
+@@ -741,18 +767,18 @@ static int mipi_dbi_spi1_transfer(struct mipi_dbi *mipi, int dc,
+ 	return 0;
+ }
+ 
+-static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 cmd,
++static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 *cmd,
+ 				   u8 *parameters, size_t num)
+ {
+-	unsigned int bpw = (cmd == MIPI_DCS_WRITE_MEMORY_START) ? 16 : 8;
++	unsigned int bpw = (*cmd == MIPI_DCS_WRITE_MEMORY_START) ? 16 : 8;
+ 	int ret;
+ 
+-	if (mipi_dbi_command_is_read(mipi, cmd))
++	if (mipi_dbi_command_is_read(mipi, *cmd))
+ 		return -ENOTSUPP;
+ 
+-	MIPI_DBI_DEBUG_COMMAND(cmd, parameters, num);
++	MIPI_DBI_DEBUG_COMMAND(*cmd, parameters, num);
+ 
+-	ret = mipi_dbi_spi1_transfer(mipi, 0, &cmd, 1, 8);
++	ret = mipi_dbi_spi1_transfer(mipi, 0, cmd, 1, 8);
+ 	if (ret || !num)
+ 		return ret;
+ 
+@@ -761,7 +787,7 @@ static int mipi_dbi_typec1_command(struct mipi_dbi *mipi, u8 cmd,
+ 
+ /* MIPI DBI Type C Option 3 */
+ 
+-static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd,
++static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 *cmd,
+ 					u8 *data, size_t len)
+ {
+ 	struct spi_device *spi = mipi->spi;
+@@ -770,7 +796,7 @@ static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd,
+ 	struct spi_transfer tr[2] = {
+ 		{
+ 			.speed_hz = speed_hz,
+-			.tx_buf = &cmd,
++			.tx_buf = cmd,
+ 			.len = 1,
+ 		}, {
+ 			.speed_hz = speed_hz,
+@@ -788,8 +814,8 @@ static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd,
+ 	 * Support non-standard 24-bit and 32-bit Nokia read commands which
+ 	 * start with a dummy clock, so we need to read an extra byte.
+ 	 */
+-	if (cmd == MIPI_DCS_GET_DISPLAY_ID ||
+-	    cmd == MIPI_DCS_GET_DISPLAY_STATUS) {
++	if (*cmd == MIPI_DCS_GET_DISPLAY_ID ||
++	    *cmd == MIPI_DCS_GET_DISPLAY_STATUS) {
+ 		if (!(len == 3 || len == 4))
+ 			return -EINVAL;
+ 
+@@ -819,7 +845,7 @@ static int mipi_dbi_typec3_command_read(struct mipi_dbi *mipi, u8 cmd,
+ 			data[i] = (buf[i] << 1) | !!(buf[i + 1] & BIT(7));
+ 	}
+ 
+-	MIPI_DBI_DEBUG_COMMAND(cmd, data, len);
++	MIPI_DBI_DEBUG_COMMAND(*cmd, data, len);
+ 
+ err_free:
+ 	kfree(buf);
+@@ -827,7 +853,7 @@ err_free:
+ 	return ret;
+ }
+ 
+-static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 cmd,
++static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 *cmd,
+ 				   u8 *par, size_t num)
+ {
+ 	struct spi_device *spi = mipi->spi;
+@@ -835,18 +861,18 @@ static int mipi_dbi_typec3_command(struct mipi_dbi *mipi, u8 cmd,
+ 	u32 speed_hz;
+ 	int ret;
+ 
+-	if (mipi_dbi_command_is_read(mipi, cmd))
++	if (mipi_dbi_command_is_read(mipi, *cmd))
+ 		return mipi_dbi_typec3_command_read(mipi, cmd, par, num);
+ 
+-	MIPI_DBI_DEBUG_COMMAND(cmd, par, num);
++	MIPI_DBI_DEBUG_COMMAND(*cmd, par, num);
+ 
+ 	gpiod_set_value_cansleep(mipi->dc, 0);
+ 	speed_hz = mipi_dbi_spi_cmd_max_speed(spi, 1);
+-	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, &cmd, 1);
++	ret = tinydrm_spi_transfer(spi, speed_hz, NULL, 8, cmd, 1);
+ 	if (ret || !num)
+ 		return ret;
+ 
+-	if (cmd == MIPI_DCS_WRITE_MEMORY_START && !mipi->swap_bytes)
++	if (*cmd == MIPI_DCS_WRITE_MEMORY_START && !mipi->swap_bytes)
+ 		bpw = 16;
+ 
+ 	gpiod_set_value_cansleep(mipi->dc, 1);
+diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
+index 2a85fa68ffea..2a4c6187e675 100644
+--- a/drivers/gpu/drm/v3d/v3d_drv.c
++++ b/drivers/gpu/drm/v3d/v3d_drv.c
+@@ -305,14 +305,18 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
+ 	if (ret)
+ 		goto dev_destroy;
+ 
+-	v3d_irq_init(v3d);
++	ret = v3d_irq_init(v3d);
++	if (ret)
++		goto gem_destroy;
+ 
+ 	ret = drm_dev_register(drm, 0);
+ 	if (ret)
+-		goto gem_destroy;
++		goto irq_disable;
+ 
+ 	return 0;
+ 
++irq_disable:
++	v3d_irq_disable(v3d);
+ gem_destroy:
+ 	v3d_gem_destroy(drm);
+ dev_destroy:
+diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
+index e6fed696ad86..0ad73f4b7509 100644
+--- a/drivers/gpu/drm/v3d/v3d_drv.h
++++ b/drivers/gpu/drm/v3d/v3d_drv.h
+@@ -284,7 +284,7 @@ void v3d_invalidate_caches(struct v3d_dev *v3d);
+ void v3d_flush_caches(struct v3d_dev *v3d);
+ 
+ /* v3d_irq.c */
+-void v3d_irq_init(struct v3d_dev *v3d);
++int v3d_irq_init(struct v3d_dev *v3d);
+ void v3d_irq_enable(struct v3d_dev *v3d);
+ void v3d_irq_disable(struct v3d_dev *v3d);
+ void v3d_irq_reset(struct v3d_dev *v3d);
+diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
+index e07514eb11b5..22be0f2dff99 100644
+--- a/drivers/gpu/drm/v3d/v3d_irq.c
++++ b/drivers/gpu/drm/v3d/v3d_irq.c
+@@ -137,7 +137,7 @@ v3d_hub_irq(int irq, void *arg)
+ 	return status;
+ }
+ 
+-void
++int
+ v3d_irq_init(struct v3d_dev *v3d)
+ {
+ 	int ret, core;
+@@ -154,13 +154,22 @@ v3d_irq_init(struct v3d_dev *v3d)
+ 	ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
+ 			       v3d_hub_irq, IRQF_SHARED,
+ 			       "v3d_hub", v3d);
++	if (ret)
++		goto fail;
++
+ 	ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 1),
+ 			       v3d_irq, IRQF_SHARED,
+ 			       "v3d_core0", v3d);
+ 	if (ret)
+-		dev_err(v3d->dev, "IRQ setup failed: %d\n", ret);
++		goto fail;
+ 
+ 	v3d_irq_enable(v3d);
++	return 0;
++
++fail:
++	if (ret != -EPROBE_DEFER)
++		dev_err(v3d->dev, "IRQ setup failed: %d\n", ret);
++	return ret;
+ }
+ 
+ void
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index 44564f61e9cc..861375561156 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -215,13 +215,14 @@ static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
+  * Add a usage to the temporary parser table.
+  */
+ 
+-static int hid_add_usage(struct hid_parser *parser, unsigned usage)
++static int hid_add_usage(struct hid_parser *parser, unsigned usage, u8 size)
+ {
+ 	if (parser->local.usage_index >= HID_MAX_USAGES) {
+ 		hid_err(parser->device, "usage index exceeded\n");
+ 		return -1;
+ 	}
+ 	parser->local.usage[parser->local.usage_index] = usage;
++	parser->local.usage_size[parser->local.usage_index] = size;
+ 	parser->local.collection_index[parser->local.usage_index] =
+ 		parser->collection_stack_ptr ?
+ 		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
+@@ -482,10 +483,7 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
+ 			return 0;
+ 		}
+ 
+-		if (item->size <= 2)
+-			data = (parser->global.usage_page << 16) + data;
+-
+-		return hid_add_usage(parser, data);
++		return hid_add_usage(parser, data, item->size);
+ 
+ 	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
+ 
+@@ -494,9 +492,6 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
+ 			return 0;
+ 		}
+ 
+-		if (item->size <= 2)
+-			data = (parser->global.usage_page << 16) + data;
+-
+ 		parser->local.usage_minimum = data;
+ 		return 0;
+ 
+@@ -507,9 +502,6 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
+ 			return 0;
+ 		}
+ 
+-		if (item->size <= 2)
+-			data = (parser->global.usage_page << 16) + data;
+-
+ 		count = data - parser->local.usage_minimum;
+ 		if (count + parser->local.usage_index >= HID_MAX_USAGES) {
+ 			/*
+@@ -529,7 +521,7 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
+ 		}
+ 
+ 		for (n = parser->local.usage_minimum; n <= data; n++)
+-			if (hid_add_usage(parser, n)) {
++			if (hid_add_usage(parser, n, item->size)) {
+ 				dbg_hid("hid_add_usage failed\n");
+ 				return -1;
+ 			}
+@@ -543,6 +535,22 @@ static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
+ 	return 0;
+ }
+ 
++/*
++ * Concatenate Usage Pages into Usages where relevant:
++ * As per specification, 6.2.2.8: "When the parser encounters a main item it
++ * concatenates the last declared Usage Page with a Usage to form a complete
++ * usage value."
++ */
++
++static void hid_concatenate_usage_page(struct hid_parser *parser)
++{
++	int i;
++
++	for (i = 0; i < parser->local.usage_index; i++)
++		if (parser->local.usage_size[i] <= 2)
++			parser->local.usage[i] += parser->global.usage_page << 16;
++}
++
+ /*
+  * Process a main item.
+  */
+@@ -552,6 +560,8 @@ static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
+ 	__u32 data;
+ 	int ret;
+ 
++	hid_concatenate_usage_page(parser);
++
+ 	data = item_udata(item);
+ 
+ 	switch (item->tag) {
+@@ -761,6 +771,8 @@ static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
+ 	__u32 data;
+ 	int i;
+ 
++	hid_concatenate_usage_page(parser);
++
+ 	data = item_udata(item);
+ 
+ 	switch (item->tag) {
+diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
+index 8425d3548a41..e642cfaf303b 100644
+--- a/drivers/hid/hid-logitech-hidpp.c
++++ b/drivers/hid/hid-logitech-hidpp.c
+@@ -725,13 +725,16 @@ static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature,
+ 
+ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)
+ {
++	const u8 ping_byte = 0x5a;
++	u8 ping_data[3] = { 0, 0, ping_byte };
+ 	struct hidpp_report response;
+ 	int ret;
+ 
+-	ret = hidpp_send_fap_command_sync(hidpp,
++	ret = hidpp_send_rap_command_sync(hidpp,
++			REPORT_ID_HIDPP_SHORT,
+ 			HIDPP_PAGE_ROOT_IDX,
+ 			CMD_ROOT_GET_PROTOCOL_VERSION,
+-			NULL, 0, &response);
++			ping_data, sizeof(ping_data), &response);
+ 
+ 	if (ret == HIDPP_ERROR_INVALID_SUBID) {
+ 		hidpp->protocol_major = 1;
+@@ -751,8 +754,14 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)
+ 	if (ret)
+ 		return ret;
+ 
+-	hidpp->protocol_major = response.fap.params[0];
+-	hidpp->protocol_minor = response.fap.params[1];
++	if (response.rap.params[2] != ping_byte) {
++		hid_err(hidpp->hid_dev, "%s: ping mismatch 0x%02x != 0x%02x\n",
++			__func__, response.rap.params[2], ping_byte);
++		return -EPROTO;
++	}
++
++	hidpp->protocol_major = response.rap.params[0];
++	hidpp->protocol_minor = response.rap.params[1];
+ 
+ 	return ret;
+ }
+@@ -901,7 +910,11 @@ static int hidpp_map_battery_level(int capacity)
+ {
+ 	if (capacity < 11)
+ 		return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
+-	else if (capacity < 31)
++	/*
++	 * The spec says this should be < 31 but some devices report 30
++	 * with brand new batteries and Windows reports 30 as "Good".
++	 */
++	else if (capacity < 30)
+ 		return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
+ 	else if (capacity < 81)
+ 		return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
+diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c
+index 73c681162653..623736d2a7c1 100644
+--- a/drivers/hwmon/f71805f.c
++++ b/drivers/hwmon/f71805f.c
+@@ -96,17 +96,23 @@ superio_select(int base, int ld)
+ 	outb(ld, base + 1);
+ }
+ 
+-static inline void
++static inline int
+ superio_enter(int base)
+ {
++	if (!request_muxed_region(base, 2, DRVNAME))
++		return -EBUSY;
++
+ 	outb(0x87, base);
+ 	outb(0x87, base);
++
++	return 0;
+ }
+ 
+ static inline void
+ superio_exit(int base)
+ {
+ 	outb(0xaa, base);
++	release_region(base, 2);
+ }
+ 
+ /*
+@@ -1561,7 +1567,7 @@ exit:
+ static int __init f71805f_find(int sioaddr, unsigned short *address,
+ 			       struct f71805f_sio_data *sio_data)
+ {
+-	int err = -ENODEV;
++	int err;
+ 	u16 devid;
+ 
+ 	static const char * const names[] = {
+@@ -1569,8 +1575,11 @@ static int __init f71805f_find(int sioaddr, unsigned short *address,
+ 		"F71872F/FG or F71806F/FG",
+ 	};
+ 
+-	superio_enter(sioaddr);
++	err = superio_enter(sioaddr);
++	if (err)
++		return err;
+ 
++	err = -ENODEV;
+ 	devid = superio_inw(sioaddr, SIO_REG_MANID);
+ 	if (devid != SIO_FINTEK_ID)
+ 		goto exit;
+diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
+index dc5a9d5ada51..81a05cd1a512 100644
+--- a/drivers/hwmon/pc87427.c
++++ b/drivers/hwmon/pc87427.c
+@@ -106,6 +106,13 @@ static const char *logdev_str[2] = { DRVNAME " FMC", DRVNAME " HMC" };
+ #define LD_IN		1
+ #define LD_TEMP		1
+ 
++static inline int superio_enter(int sioaddr)
++{
++	if (!request_muxed_region(sioaddr, 2, DRVNAME))
++		return -EBUSY;
++	return 0;
++}
++
+ static inline void superio_outb(int sioaddr, int reg, int val)
+ {
+ 	outb(reg, sioaddr);
+@@ -122,6 +129,7 @@ static inline void superio_exit(int sioaddr)
+ {
+ 	outb(0x02, sioaddr);
+ 	outb(0x02, sioaddr + 1);
++	release_region(sioaddr, 2);
+ }
+ 
+ /*
+@@ -1220,7 +1228,11 @@ static int __init pc87427_find(int sioaddr, struct pc87427_sio_data *sio_data)
+ {
+ 	u16 val;
+ 	u8 cfg, cfg_b;
+-	int i, err = 0;
++	int i, err;
++
++	err = superio_enter(sioaddr);
++	if (err)
++		return err;
+ 
+ 	/* Identify device */
+ 	val = force_id ? force_id : superio_inb(sioaddr, SIOREG_DEVID);
+diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
+index 6bd200756560..cbdb5c4991ae 100644
+--- a/drivers/hwmon/smsc47b397.c
++++ b/drivers/hwmon/smsc47b397.c
+@@ -72,14 +72,19 @@ static inline void superio_select(int ld)
+ 	superio_outb(0x07, ld);
+ }
+ 
+-static inline void superio_enter(void)
++static inline int superio_enter(void)
+ {
++	if (!request_muxed_region(REG, 2, DRVNAME))
++		return -EBUSY;
++
+ 	outb(0x55, REG);
++	return 0;
+ }
+ 
+ static inline void superio_exit(void)
+ {
+ 	outb(0xAA, REG);
++	release_region(REG, 2);
+ }
+ 
+ #define SUPERIO_REG_DEVID	0x20
+@@ -300,8 +305,12 @@ static int __init smsc47b397_find(void)
+ 	u8 id, rev;
+ 	char *name;
+ 	unsigned short addr;
++	int err;
++
++	err = superio_enter();
++	if (err)
++		return err;
+ 
+-	superio_enter();
+ 	id = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
+ 
+ 	switch (id) {
+diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
+index c7b6a425e2c0..5eeac9853d0a 100644
+--- a/drivers/hwmon/smsc47m1.c
++++ b/drivers/hwmon/smsc47m1.c
+@@ -73,16 +73,21 @@ superio_inb(int reg)
+ /* logical device for fans is 0x0A */
+ #define superio_select() superio_outb(0x07, 0x0A)
+ 
+-static inline void
++static inline int
+ superio_enter(void)
+ {
++	if (!request_muxed_region(REG, 2, DRVNAME))
++		return -EBUSY;
++
+ 	outb(0x55, REG);
++	return 0;
+ }
+ 
+ static inline void
+ superio_exit(void)
+ {
+ 	outb(0xAA, REG);
++	release_region(REG, 2);
+ }
+ 
+ #define SUPERIO_REG_ACT		0x30
+@@ -531,8 +536,12 @@ static int __init smsc47m1_find(struct smsc47m1_sio_data *sio_data)
+ {
+ 	u8 val;
+ 	unsigned short addr;
++	int err;
++
++	err = superio_enter();
++	if (err)
++		return err;
+ 
+-	superio_enter();
+ 	val = force_id ? force_id : superio_inb(SUPERIO_REG_DEVID);
+ 
+ 	/*
+@@ -608,13 +617,14 @@ static int __init smsc47m1_find(struct smsc47m1_sio_data *sio_data)
+ static void smsc47m1_restore(const struct smsc47m1_sio_data *sio_data)
+ {
+ 	if ((sio_data->activate & 0x01) == 0) {
+-		superio_enter();
+-		superio_select();
+-
+-		pr_info("Disabling device\n");
+-		superio_outb(SUPERIO_REG_ACT, sio_data->activate);
+-
+-		superio_exit();
++		if (!superio_enter()) {
++			superio_select();
++			pr_info("Disabling device\n");
++			superio_outb(SUPERIO_REG_ACT, sio_data->activate);
++			superio_exit();
++		} else {
++			pr_warn("Failed to disable device\n");
++		}
+ 	}
+ }
+ 
+diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c
+index 3a6bfa51cb94..95d5e8ec8b7f 100644
+--- a/drivers/hwmon/vt1211.c
++++ b/drivers/hwmon/vt1211.c
+@@ -226,15 +226,21 @@ static inline void superio_select(int sio_cip, int ldn)
+ 	outb(ldn, sio_cip + 1);
+ }
+ 
+-static inline void superio_enter(int sio_cip)
++static inline int superio_enter(int sio_cip)
+ {
++	if (!request_muxed_region(sio_cip, 2, DRVNAME))
++		return -EBUSY;
++
+ 	outb(0x87, sio_cip);
+ 	outb(0x87, sio_cip);
++
++	return 0;
+ }
+ 
+ static inline void superio_exit(int sio_cip)
+ {
+ 	outb(0xaa, sio_cip);
++	release_region(sio_cip, 2);
+ }
+ 
+ /* ---------------------------------------------------------------------
+@@ -1282,11 +1288,14 @@ EXIT:
+ 
+ static int __init vt1211_find(int sio_cip, unsigned short *address)
+ {
+-	int err = -ENODEV;
++	int err;
+ 	int devid;
+ 
+-	superio_enter(sio_cip);
++	err = superio_enter(sio_cip);
++	if (err)
++		return err;
+ 
++	err = -ENODEV;
+ 	devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID);
+ 	if (devid != SIO_VT1211_ID)
+ 		goto EXIT;
+diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
+index 4a754921fb6f..9421c1ec86f7 100644
+--- a/drivers/iio/adc/Kconfig
++++ b/drivers/iio/adc/Kconfig
+@@ -696,6 +696,7 @@ config STM32_DFSDM_ADC
+ 	depends on (ARCH_STM32 && OF) || COMPILE_TEST
+ 	select STM32_DFSDM_CORE
+ 	select REGMAP_MMIO
++	select IIO_BUFFER
+ 	select IIO_BUFFER_HW_CONSUMER
+ 	help
+ 	  Select this option to support ADCSigma delta modulator for
+diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
+index ae2a5097f449..25af4c76b57f 100644
+--- a/drivers/iio/adc/ad_sigma_delta.c
++++ b/drivers/iio/adc/ad_sigma_delta.c
+@@ -62,7 +62,7 @@ int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg,
+ 	struct spi_transfer t = {
+ 		.tx_buf		= data,
+ 		.len		= size + 1,
+-		.cs_change	= sigma_delta->bus_locked,
++		.cs_change	= sigma_delta->keep_cs_asserted,
+ 	};
+ 	struct spi_message m;
+ 	int ret;
+@@ -218,6 +218,7 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
+ 
+ 	spi_bus_lock(sigma_delta->spi->master);
+ 	sigma_delta->bus_locked = true;
++	sigma_delta->keep_cs_asserted = true;
+ 	reinit_completion(&sigma_delta->completion);
+ 
+ 	ret = ad_sigma_delta_set_mode(sigma_delta, mode);
+@@ -235,9 +236,10 @@ static int ad_sd_calibrate(struct ad_sigma_delta *sigma_delta,
+ 		ret = 0;
+ 	}
+ out:
++	sigma_delta->keep_cs_asserted = false;
++	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
+ 	sigma_delta->bus_locked = false;
+ 	spi_bus_unlock(sigma_delta->spi->master);
+-	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
+ 
+ 	return ret;
+ }
+@@ -289,6 +291,7 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev,
+ 
+ 	spi_bus_lock(sigma_delta->spi->master);
+ 	sigma_delta->bus_locked = true;
++	sigma_delta->keep_cs_asserted = true;
+ 	reinit_completion(&sigma_delta->completion);
+ 
+ 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_SINGLE);
+@@ -298,9 +301,6 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev,
+ 	ret = wait_for_completion_interruptible_timeout(
+ 			&sigma_delta->completion, HZ);
+ 
+-	sigma_delta->bus_locked = false;
+-	spi_bus_unlock(sigma_delta->spi->master);
+-
+ 	if (ret == 0)
+ 		ret = -EIO;
+ 	if (ret < 0)
+@@ -316,7 +316,10 @@ out:
+ 		sigma_delta->irq_dis = true;
+ 	}
+ 
++	sigma_delta->keep_cs_asserted = false;
+ 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
++	sigma_delta->bus_locked = false;
++	spi_bus_unlock(sigma_delta->spi->master);
+ 	mutex_unlock(&indio_dev->mlock);
+ 
+ 	if (ret)
+@@ -353,6 +356,8 @@ static int ad_sd_buffer_postenable(struct iio_dev *indio_dev)
+ 
+ 	spi_bus_lock(sigma_delta->spi->master);
+ 	sigma_delta->bus_locked = true;
++	sigma_delta->keep_cs_asserted = true;
++
+ 	ret = ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_CONTINUOUS);
+ 	if (ret)
+ 		goto err_unlock;
+@@ -381,6 +386,7 @@ static int ad_sd_buffer_postdisable(struct iio_dev *indio_dev)
+ 		sigma_delta->irq_dis = true;
+ 	}
+ 
++	sigma_delta->keep_cs_asserted = false;
+ 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
+ 
+ 	sigma_delta->bus_locked = false;
+diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c
+index a5bd5944bc66..c9cd7e5c1b61 100644
+--- a/drivers/iio/adc/ti-ads7950.c
++++ b/drivers/iio/adc/ti-ads7950.c
+@@ -56,6 +56,9 @@ struct ti_ads7950_state {
+ 	struct spi_message	ring_msg;
+ 	struct spi_message	scan_single_msg;
+ 
++	/* Lock to protect the spi xfer buffers */
++	struct mutex		slock;
++
+ 	struct regulator	*reg;
+ 	unsigned int		vref_mv;
+ 
+@@ -277,6 +280,7 @@ static irqreturn_t ti_ads7950_trigger_handler(int irq, void *p)
+ 	struct ti_ads7950_state *st = iio_priv(indio_dev);
+ 	int ret;
+ 
++	mutex_lock(&st->slock);
+ 	ret = spi_sync(st->spi, &st->ring_msg);
+ 	if (ret < 0)
+ 		goto out;
+@@ -285,6 +289,7 @@ static irqreturn_t ti_ads7950_trigger_handler(int irq, void *p)
+ 					   iio_get_time_ns(indio_dev));
+ 
+ out:
++	mutex_unlock(&st->slock);
+ 	iio_trigger_notify_done(indio_dev->trig);
+ 
+ 	return IRQ_HANDLED;
+@@ -295,7 +300,7 @@ static int ti_ads7950_scan_direct(struct iio_dev *indio_dev, unsigned int ch)
+ 	struct ti_ads7950_state *st = iio_priv(indio_dev);
+ 	int ret, cmd;
+ 
+-	mutex_lock(&indio_dev->mlock);
++	mutex_lock(&st->slock);
+ 
+ 	cmd = TI_ADS7950_CR_WRITE | TI_ADS7950_CR_CHAN(ch) | st->settings;
+ 	st->single_tx = cpu_to_be16(cmd);
+@@ -307,7 +312,7 @@ static int ti_ads7950_scan_direct(struct iio_dev *indio_dev, unsigned int ch)
+ 	ret = be16_to_cpu(st->single_rx);
+ 
+ out:
+-	mutex_unlock(&indio_dev->mlock);
++	mutex_unlock(&st->slock);
+ 
+ 	return ret;
+ }
+@@ -423,16 +428,19 @@ static int ti_ads7950_probe(struct spi_device *spi)
+ 	if (ACPI_COMPANION(&spi->dev))
+ 		st->vref_mv = TI_ADS7950_VA_MV_ACPI_DEFAULT;
+ 
++	mutex_init(&st->slock);
++
+ 	st->reg = devm_regulator_get(&spi->dev, "vref");
+ 	if (IS_ERR(st->reg)) {
+ 		dev_err(&spi->dev, "Failed get get regulator \"vref\"\n");
+-		return PTR_ERR(st->reg);
++		ret = PTR_ERR(st->reg);
++		goto error_destroy_mutex;
+ 	}
+ 
+ 	ret = regulator_enable(st->reg);
+ 	if (ret) {
+ 		dev_err(&spi->dev, "Failed to enable regulator \"vref\"\n");
+-		return ret;
++		goto error_destroy_mutex;
+ 	}
+ 
+ 	ret = iio_triggered_buffer_setup(indio_dev, NULL,
+@@ -454,6 +462,8 @@ error_cleanup_ring:
+ 	iio_triggered_buffer_cleanup(indio_dev);
+ error_disable_reg:
+ 	regulator_disable(st->reg);
++error_destroy_mutex:
++	mutex_destroy(&st->slock);
+ 
+ 	return ret;
+ }
+@@ -466,6 +476,7 @@ static int ti_ads7950_remove(struct spi_device *spi)
+ 	iio_device_unregister(indio_dev);
+ 	iio_triggered_buffer_cleanup(indio_dev);
+ 	regulator_disable(st->reg);
++	mutex_destroy(&st->slock);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/iio/common/ssp_sensors/ssp_iio.c b/drivers/iio/common/ssp_sensors/ssp_iio.c
+index 645f2e3975db..e38f704d88b7 100644
+--- a/drivers/iio/common/ssp_sensors/ssp_iio.c
++++ b/drivers/iio/common/ssp_sensors/ssp_iio.c
+@@ -81,7 +81,7 @@ int ssp_common_process_data(struct iio_dev *indio_dev, void *buf,
+ 			    unsigned int len, int64_t timestamp)
+ {
+ 	__le32 time;
+-	int64_t calculated_time;
++	int64_t calculated_time = 0;
+ 	struct ssp_sensor_data *spd = iio_priv(indio_dev);
+ 
+ 	if (indio_dev->scan_bytes == 0)
+diff --git a/drivers/iio/magnetometer/hmc5843_i2c.c b/drivers/iio/magnetometer/hmc5843_i2c.c
+index 3de7f4426ac4..86abba5827a2 100644
+--- a/drivers/iio/magnetometer/hmc5843_i2c.c
++++ b/drivers/iio/magnetometer/hmc5843_i2c.c
+@@ -58,8 +58,13 @@ static const struct regmap_config hmc5843_i2c_regmap_config = {
+ static int hmc5843_i2c_probe(struct i2c_client *cli,
+ 			     const struct i2c_device_id *id)
+ {
++	struct regmap *regmap = devm_regmap_init_i2c(cli,
++			&hmc5843_i2c_regmap_config);
++	if (IS_ERR(regmap))
++		return PTR_ERR(regmap);
++
+ 	return hmc5843_common_probe(&cli->dev,
+-			devm_regmap_init_i2c(cli, &hmc5843_i2c_regmap_config),
++			regmap,
+ 			id->driver_data, id->name);
+ }
+ 
+diff --git a/drivers/iio/magnetometer/hmc5843_spi.c b/drivers/iio/magnetometer/hmc5843_spi.c
+index 535f03a70d63..79b2b707f90e 100644
+--- a/drivers/iio/magnetometer/hmc5843_spi.c
++++ b/drivers/iio/magnetometer/hmc5843_spi.c
+@@ -58,6 +58,7 @@ static const struct regmap_config hmc5843_spi_regmap_config = {
+ static int hmc5843_spi_probe(struct spi_device *spi)
+ {
+ 	int ret;
++	struct regmap *regmap;
+ 	const struct spi_device_id *id = spi_get_device_id(spi);
+ 
+ 	spi->mode = SPI_MODE_3;
+@@ -67,8 +68,12 @@ static int hmc5843_spi_probe(struct spi_device *spi)
+ 	if (ret)
+ 		return ret;
+ 
++	regmap = devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config);
++	if (IS_ERR(regmap))
++		return PTR_ERR(regmap);
++
+ 	return hmc5843_common_probe(&spi->dev,
+-			devm_regmap_init_spi(spi, &hmc5843_spi_regmap_config),
++			regmap,
+ 			id->driver_data, id->name);
+ }
+ 
+diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
+index 6f5be7802476..39dc7be56884 100644
+--- a/drivers/infiniband/core/cma.c
++++ b/drivers/infiniband/core/cma.c
+@@ -1078,18 +1078,31 @@ static inline bool cma_any_addr(const struct sockaddr *addr)
+ 	return cma_zero_addr(addr) || cma_loopback_addr(addr);
+ }
+ 
+-static int cma_addr_cmp(struct sockaddr *src, struct sockaddr *dst)
++static int cma_addr_cmp(const struct sockaddr *src, const struct sockaddr *dst)
+ {
+ 	if (src->sa_family != dst->sa_family)
+ 		return -1;
+ 
+ 	switch (src->sa_family) {
+ 	case AF_INET:
+-		return ((struct sockaddr_in *) src)->sin_addr.s_addr !=
+-		       ((struct sockaddr_in *) dst)->sin_addr.s_addr;
+-	case AF_INET6:
+-		return ipv6_addr_cmp(&((struct sockaddr_in6 *) src)->sin6_addr,
+-				     &((struct sockaddr_in6 *) dst)->sin6_addr);
++		return ((struct sockaddr_in *)src)->sin_addr.s_addr !=
++		       ((struct sockaddr_in *)dst)->sin_addr.s_addr;
++	case AF_INET6: {
++		struct sockaddr_in6 *src_addr6 = (struct sockaddr_in6 *)src;
++		struct sockaddr_in6 *dst_addr6 = (struct sockaddr_in6 *)dst;
++		bool link_local;
++
++		if (ipv6_addr_cmp(&src_addr6->sin6_addr,
++					  &dst_addr6->sin6_addr))
++			return 1;
++		link_local = ipv6_addr_type(&dst_addr6->sin6_addr) &
++			     IPV6_ADDR_LINKLOCAL;
++		/* Link local must match their scope_ids */
++		return link_local ? (src_addr6->sin6_scope_id !=
++				     dst_addr6->sin6_scope_id) :
++				    0;
++	}
++
+ 	default:
+ 		return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr,
+ 				   &((struct sockaddr_ib *) dst)->sib_addr);
+diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
+index a68569ec86bf..3be6405d9855 100644
+--- a/drivers/infiniband/hw/cxgb4/cm.c
++++ b/drivers/infiniband/hw/cxgb4/cm.c
+@@ -458,6 +458,8 @@ static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp)
+ 		skb_reset_transport_header(skb);
+ 	} else {
+ 		skb = alloc_skb(len, gfp);
++		if (!skb)
++			return NULL;
+ 	}
+ 	t4_set_arp_err_handler(skb, NULL, NULL);
+ 	return skb;
+diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
+index da786eb18558..368f4f08b686 100644
+--- a/drivers/infiniband/hw/hfi1/init.c
++++ b/drivers/infiniband/hw/hfi1/init.c
+@@ -798,7 +798,8 @@ static int create_workqueues(struct hfi1_devdata *dd)
+ 			ppd->hfi1_wq =
+ 				alloc_workqueue(
+ 				    "hfi%d_%d",
+-				    WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE,
++				    WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE |
++				    WQ_MEM_RECLAIM,
+ 				    HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES,
+ 				    dd->unit, pidx);
+ 			if (!ppd->hfi1_wq)
+diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
+index 0d96c5bb38cd..d2d4ab9ab071 100644
+--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
++++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
+@@ -66,7 +66,7 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd,
+ 			     HNS_ROCE_VLAN_SL_BIT_MASK) <<
+ 			     HNS_ROCE_VLAN_SL_SHIFT;
+ 
+-	ah->av.port_pd = cpu_to_be32(to_hr_pd(ibpd)->pdn |
++	ah->av.port_pd = cpu_to_le32(to_hr_pd(ibpd)->pdn |
+ 				     (rdma_ah_get_port_num(ah_attr) <<
+ 				     HNS_ROCE_PORT_NUM_SHIFT));
+ 	ah->av.gid_index = grh->sgid_index;
+diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c
+index 7a28232d868b..de85b3af3b39 100644
+--- a/drivers/md/bcache/alloc.c
++++ b/drivers/md/bcache/alloc.c
+@@ -327,10 +327,11 @@ static int bch_allocator_thread(void *arg)
+ 		 * possibly issue discards to them, then we add the bucket to
+ 		 * the free list:
+ 		 */
+-		while (!fifo_empty(&ca->free_inc)) {
++		while (1) {
+ 			long bucket;
+ 
+-			fifo_pop(&ca->free_inc, bucket);
++			if (!fifo_pop(&ca->free_inc, bucket))
++				break;
+ 
+ 			if (ca->discard) {
+ 				mutex_unlock(&ca->set->bucket_lock);
+diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
+index 772258ee1f51..f880e5eba8dd 100644
+--- a/drivers/md/bcache/journal.c
++++ b/drivers/md/bcache/journal.c
+@@ -317,6 +317,18 @@ void bch_journal_mark(struct cache_set *c, struct list_head *list)
+ 	}
+ }
+ 
++bool is_discard_enabled(struct cache_set *s)
++{
++	struct cache *ca;
++	unsigned int i;
++
++	for_each_cache(ca, s, i)
++		if (ca->discard)
++			return true;
++
++	return false;
++}
++
+ int bch_journal_replay(struct cache_set *s, struct list_head *list)
+ {
+ 	int ret = 0, keys = 0, entries = 0;
+@@ -330,9 +342,17 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list)
+ 	list_for_each_entry(i, list, list) {
+ 		BUG_ON(i->pin && atomic_read(i->pin) != 1);
+ 
+-		cache_set_err_on(n != i->j.seq, s,
+-"bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
+-				 n, i->j.seq - 1, start, end);
++		if (n != i->j.seq) {
++			if (n == start && is_discard_enabled(s))
++				pr_info("bcache: journal entries %llu-%llu may be discarded! (replaying %llu-%llu)",
++					n, i->j.seq - 1, start, end);
++			else {
++				pr_err("bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
++					n, i->j.seq - 1, start, end);
++				ret = -EIO;
++				goto err;
++			}
++		}
+ 
+ 		for (k = i->j.start;
+ 		     k < bset_bkey_last(&i->j);
+diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
+index 2c0d35c882ed..2409507d7bff 100644
+--- a/drivers/md/bcache/super.c
++++ b/drivers/md/bcache/super.c
+@@ -1770,13 +1770,15 @@ err:
+ 	return NULL;
+ }
+ 
+-static void run_cache_set(struct cache_set *c)
++static int run_cache_set(struct cache_set *c)
+ {
+ 	const char *err = "cannot allocate memory";
+ 	struct cached_dev *dc, *t;
+ 	struct cache *ca;
+ 	struct closure cl;
+ 	unsigned int i;
++	LIST_HEAD(journal);
++	struct journal_replay *l;
+ 
+ 	closure_init_stack(&cl);
+ 
+@@ -1864,7 +1866,9 @@ static void run_cache_set(struct cache_set *c)
+ 		if (j->version < BCACHE_JSET_VERSION_UUID)
+ 			__uuid_write(c);
+ 
+-		bch_journal_replay(c, &journal);
++		err = "bcache: replay journal failed";
++		if (bch_journal_replay(c, &journal))
++			goto err;
+ 	} else {
+ 		pr_notice("invalidating existing data");
+ 
+@@ -1932,11 +1936,19 @@ static void run_cache_set(struct cache_set *c)
+ 	flash_devs_run(c);
+ 
+ 	set_bit(CACHE_SET_RUNNING, &c->flags);
+-	return;
++	return 0;
+ err:
++	while (!list_empty(&journal)) {
++		l = list_first_entry(&journal, struct journal_replay, list);
++		list_del(&l->list);
++		kfree(l);
++	}
++
+ 	closure_sync(&cl);
+ 	/* XXX: test this, it's broken */
+ 	bch_cache_set_error(c, "%s", err);
++
++	return -EIO;
+ }
+ 
+ static bool can_attach_cache(struct cache *ca, struct cache_set *c)
+@@ -2000,8 +2012,11 @@ found:
+ 	ca->set->cache[ca->sb.nr_this_dev] = ca;
+ 	c->cache_by_alloc[c->caches_loaded++] = ca;
+ 
+-	if (c->caches_loaded == c->sb.nr_in_set)
+-		run_cache_set(c);
++	if (c->caches_loaded == c->sb.nr_in_set) {
++		err = "failed to run cache set";
++		if (run_cache_set(c) < 0)
++			goto err;
++	}
+ 
+ 	return NULL;
+ err:
+diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
+index 6889c25c62cb..9226dca44e90 100644
+--- a/drivers/media/common/videobuf2/videobuf2-core.c
++++ b/drivers/media/common/videobuf2/videobuf2-core.c
+@@ -668,6 +668,11 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memory memory,
+ 		return -EBUSY;
+ 	}
+ 
++	if (q->waiting_in_dqbuf && *count) {
++		dprintk(1, "another dup()ped fd is waiting for a buffer\n");
++		return -EBUSY;
++	}
++
+ 	if (*count == 0 || q->num_buffers != 0 ||
+ 	    (q->memory != VB2_MEMORY_UNKNOWN && q->memory != memory)) {
+ 		/*
+@@ -797,6 +802,10 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory,
+ 	}
+ 
+ 	if (!q->num_buffers) {
++		if (q->waiting_in_dqbuf && *count) {
++			dprintk(1, "another dup()ped fd is waiting for a buffer\n");
++			return -EBUSY;
++		}
+ 		memset(q->alloc_devs, 0, sizeof(q->alloc_devs));
+ 		q->memory = memory;
+ 		q->waiting_for_buffers = !q->is_output;
+@@ -1466,6 +1475,11 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
+ 	for (;;) {
+ 		int ret;
+ 
++		if (q->waiting_in_dqbuf) {
++			dprintk(1, "another dup()ped fd is waiting for a buffer\n");
++			return -EBUSY;
++		}
++
+ 		if (!q->streaming) {
+ 			dprintk(1, "streaming off, will not wait for buffers\n");
+ 			return -EINVAL;
+@@ -1493,6 +1507,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
+ 			return -EAGAIN;
+ 		}
+ 
++		q->waiting_in_dqbuf = 1;
+ 		/*
+ 		 * We are streaming and blocking, wait for another buffer to
+ 		 * become ready or for streamoff. Driver's lock is released to
+@@ -1513,6 +1528,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
+ 		 * the locks or return an error if one occurred.
+ 		 */
+ 		call_void_qop(q, wait_finish, q);
++		q->waiting_in_dqbuf = 0;
+ 		if (ret) {
+ 			dprintk(1, "sleep was interrupted\n");
+ 			return ret;
+@@ -2361,6 +2377,12 @@ static size_t __vb2_perform_fileio(struct vb2_queue *q, char __user *data, size_
+ 	if (!data)
+ 		return -EINVAL;
+ 
++	if (q->waiting_in_dqbuf) {
++		dprintk(3, "another dup()ped fd is %s\n",
++			read ? "reading" : "writing");
++		return -EBUSY;
++	}
++
+ 	/*
+ 	 * Initialize emulator on first call.
+ 	 */
+diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
+index dffd2d4bf1c8..c25c92797408 100644
+--- a/drivers/media/dvb-frontends/m88ds3103.c
++++ b/drivers/media/dvb-frontends/m88ds3103.c
+@@ -309,6 +309,9 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
+ 	u16 u16tmp;
+ 	u32 tuner_frequency_khz, target_mclk;
+ 	s32 s32tmp;
++	static const struct reg_sequence reset_buf[] = {
++		{0x07, 0x80}, {0x07, 0x00}
++	};
+ 
+ 	dev_dbg(&client->dev,
+ 		"delivery_system=%d modulation=%d frequency=%u symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
+@@ -321,11 +324,7 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
+ 	}
+ 
+ 	/* reset */
+-	ret = regmap_write(dev->regmap, 0x07, 0x80);
+-	if (ret)
+-		goto err;
+-
+-	ret = regmap_write(dev->regmap, 0x07, 0x00);
++	ret = regmap_multi_reg_write(dev->regmap, reset_buf, 2);
+ 	if (ret)
+ 		goto err;
+ 
+diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c
+index feacd8da421d..d55d8f169dca 100644
+--- a/drivers/media/dvb-frontends/si2165.c
++++ b/drivers/media/dvb-frontends/si2165.c
+@@ -275,18 +275,20 @@ static u32 si2165_get_fe_clk(struct si2165_state *state)
+ 
+ static int si2165_wait_init_done(struct si2165_state *state)
+ {
+-	int ret = -EINVAL;
++	int ret;
+ 	u8 val = 0;
+ 	int i;
+ 
+ 	for (i = 0; i < 3; ++i) {
+-		si2165_readreg8(state, REG_INIT_DONE, &val);
++		ret = si2165_readreg8(state, REG_INIT_DONE, &val);
++		if (ret < 0)
++			return ret;
+ 		if (val == 0x01)
+ 			return 0;
+ 		usleep_range(1000, 50000);
+ 	}
+ 	dev_err(&state->client->dev, "init_done was not set\n");
+-	return ret;
++	return -EINVAL;
+ }
+ 
+ static int si2165_upload_firmware_block(struct si2165_state *state,
+diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
+index 4715edc8ca33..e6a8b5669b9c 100644
+--- a/drivers/media/i2c/ov2659.c
++++ b/drivers/media/i2c/ov2659.c
+@@ -1117,8 +1117,10 @@ static int ov2659_set_fmt(struct v4l2_subdev *sd,
+ 		if (ov2659_formats[index].code == mf->code)
+ 			break;
+ 
+-	if (index < 0)
+-		return -EINVAL;
++	if (index < 0) {
++		index = 0;
++		mf->code = ov2659_formats[index].code;
++	}
+ 
+ 	mf->colorspace = V4L2_COLORSPACE_SRGB;
+ 	mf->field = V4L2_FIELD_NONE;
+diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c
+index a9264d515e54..edded869d792 100644
+--- a/drivers/media/i2c/ov6650.c
++++ b/drivers/media/i2c/ov6650.c
+@@ -811,9 +811,16 @@ static int ov6650_video_probe(struct i2c_client *client)
+ 	u8		pidh, pidl, midh, midl;
+ 	int		ret;
+ 
++	priv->clk = v4l2_clk_get(&client->dev, NULL);
++	if (IS_ERR(priv->clk)) {
++		ret = PTR_ERR(priv->clk);
++		dev_err(&client->dev, "v4l2_clk request err: %d\n", ret);
++		return ret;
++	}
++
+ 	ret = ov6650_s_power(&priv->subdev, 1);
+ 	if (ret < 0)
+-		return ret;
++		goto eclkput;
+ 
+ 	msleep(20);
+ 
+@@ -850,6 +857,11 @@ static int ov6650_video_probe(struct i2c_client *client)
+ 
+ done:
+ 	ov6650_s_power(&priv->subdev, 0);
++	if (!ret)
++		return 0;
++eclkput:
++	v4l2_clk_put(priv->clk);
++
+ 	return ret;
+ }
+ 
+@@ -992,18 +1004,9 @@ static int ov6650_probe(struct i2c_client *client,
+ 	priv->code	  = MEDIA_BUS_FMT_YUYV8_2X8;
+ 	priv->colorspace  = V4L2_COLORSPACE_JPEG;
+ 
+-	priv->clk = v4l2_clk_get(&client->dev, NULL);
+-	if (IS_ERR(priv->clk)) {
+-		ret = PTR_ERR(priv->clk);
+-		goto eclkget;
+-	}
+-
+ 	ret = ov6650_video_probe(client);
+-	if (ret) {
+-		v4l2_clk_put(priv->clk);
+-eclkget:
++	if (ret)
+ 		v4l2_ctrl_handler_free(&priv->hdl);
+-	}
+ 
+ 	return ret;
+ }
+diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c
+index 5817d9cde4d0..6d8e4afe9673 100644
+--- a/drivers/media/pci/saa7146/hexium_gemini.c
++++ b/drivers/media/pci/saa7146/hexium_gemini.c
+@@ -270,9 +270,8 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
+ 	/* enable i2c-port pins */
+ 	saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
+ 
+-	hexium->i2c_adapter = (struct i2c_adapter) {
+-		.name = "hexium gemini",
+-	};
++	strscpy(hexium->i2c_adapter.name, "hexium gemini",
++		sizeof(hexium->i2c_adapter.name));
+ 	saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
+ 	if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
+ 		DEB_S("cannot register i2c-device. skipping.\n");
+diff --git a/drivers/media/pci/saa7146/hexium_orion.c b/drivers/media/pci/saa7146/hexium_orion.c
+index 0a05176c18ab..a794f9e5f990 100644
+--- a/drivers/media/pci/saa7146/hexium_orion.c
++++ b/drivers/media/pci/saa7146/hexium_orion.c
+@@ -231,9 +231,8 @@ static int hexium_probe(struct saa7146_dev *dev)
+ 	saa7146_write(dev, DD1_STREAM_B, 0x00000000);
+ 	saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
+ 
+-	hexium->i2c_adapter = (struct i2c_adapter) {
+-		.name = "hexium orion",
+-	};
++	strscpy(hexium->i2c_adapter.name, "hexium orion",
++		sizeof(hexium->i2c_adapter.name));
+ 	saa7146_i2c_adapter_prepare(dev, &hexium->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
+ 	if (i2c_add_adapter(&hexium->i2c_adapter) < 0) {
+ 		DEB_S("cannot register i2c-device. skipping.\n");
+diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
+index d20d3df5778b..a3cfefdbee12 100644
+--- a/drivers/media/platform/coda/coda-bit.c
++++ b/drivers/media/platform/coda/coda-bit.c
+@@ -1999,6 +1999,9 @@ static int coda_prepare_decode(struct coda_ctx *ctx)
+ 	/* Clear decode success flag */
+ 	coda_write(dev, 0, CODA_RET_DEC_PIC_SUCCESS);
+ 
++	/* Clear error return value */
++	coda_write(dev, 0, CODA_RET_DEC_PIC_ERR_MB);
++
+ 	trace_coda_dec_pic_run(ctx, meta);
+ 
+ 	coda_command_async(ctx, CODA_COMMAND_PIC_RUN);
+diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
+index 721564176d8c..d38682265892 100644
+--- a/drivers/media/platform/stm32/stm32-dcmi.c
++++ b/drivers/media/platform/stm32/stm32-dcmi.c
+@@ -808,6 +808,9 @@ static int dcmi_try_fmt(struct stm32_dcmi *dcmi, struct v4l2_format *f,
+ 
+ 	sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat);
+ 	if (!sd_fmt) {
++		if (!dcmi->num_of_sd_formats)
++			return -ENODATA;
++
+ 		sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1];
+ 		pix->pixelformat = sd_fmt->fourcc;
+ 	}
+@@ -986,6 +989,9 @@ static int dcmi_set_sensor_format(struct stm32_dcmi *dcmi,
+ 
+ 	sd_fmt = find_format_by_fourcc(dcmi, pix->pixelformat);
+ 	if (!sd_fmt) {
++		if (!dcmi->num_of_sd_formats)
++			return -ENODATA;
++
+ 		sd_fmt = dcmi->sd_formats[dcmi->num_of_sd_formats - 1];
+ 		pix->pixelformat = sd_fmt->fourcc;
+ 	}
+@@ -1645,7 +1651,7 @@ static int dcmi_probe(struct platform_device *pdev)
+ 	dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+ 	if (IS_ERR(dcmi->rstc)) {
+ 		dev_err(&pdev->dev, "Could not get reset control\n");
+-		return -ENODEV;
++		return PTR_ERR(dcmi->rstc);
+ 	}
+ 
+ 	/* Get bus characteristics from devicetree */
+@@ -1660,7 +1666,7 @@ static int dcmi_probe(struct platform_device *pdev)
+ 	of_node_put(np);
+ 	if (ret) {
+ 		dev_err(&pdev->dev, "Could not parse the endpoint\n");
+-		return -ENODEV;
++		return ret;
+ 	}
+ 
+ 	if (ep.bus_type == V4L2_MBUS_CSI2) {
+@@ -1673,8 +1679,9 @@ static int dcmi_probe(struct platform_device *pdev)
+ 
+ 	irq = platform_get_irq(pdev, 0);
+ 	if (irq <= 0) {
+-		dev_err(&pdev->dev, "Could not get irq\n");
+-		return -ENODEV;
++		if (irq != -EPROBE_DEFER)
++			dev_err(&pdev->dev, "Could not get irq\n");
++		return irq;
+ 	}
+ 
+ 	dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+@@ -1694,12 +1701,13 @@ static int dcmi_probe(struct platform_device *pdev)
+ 					dev_name(&pdev->dev), dcmi);
+ 	if (ret) {
+ 		dev_err(&pdev->dev, "Unable to request irq %d\n", irq);
+-		return -ENODEV;
++		return ret;
+ 	}
+ 
+ 	mclk = devm_clk_get(&pdev->dev, "mclk");
+ 	if (IS_ERR(mclk)) {
+-		dev_err(&pdev->dev, "Unable to get mclk\n");
++		if (PTR_ERR(mclk) != -EPROBE_DEFER)
++			dev_err(&pdev->dev, "Unable to get mclk\n");
+ 		return PTR_ERR(mclk);
+ 	}
+ 
+diff --git a/drivers/media/platform/video-mux.c b/drivers/media/platform/video-mux.c
+index c01e1592ad0a..c8ffe7bff77f 100644
+--- a/drivers/media/platform/video-mux.c
++++ b/drivers/media/platform/video-mux.c
+@@ -365,9 +365,14 @@ static int video_mux_probe(struct platform_device *pdev)
+ 	vmux->active = -1;
+ 	vmux->pads = devm_kcalloc(dev, num_pads, sizeof(*vmux->pads),
+ 				  GFP_KERNEL);
++	if (!vmux->pads)
++		return -ENOMEM;
++
+ 	vmux->format_mbus = devm_kcalloc(dev, num_pads,
+ 					 sizeof(*vmux->format_mbus),
+ 					 GFP_KERNEL);
++	if (!vmux->format_mbus)
++		return -ENOMEM;
+ 
+ 	for (i = 0; i < num_pads; i++) {
+ 		vmux->pads[i].flags = (i < num_pads - 1) ? MEDIA_PAD_FL_SINK
+diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c
+index 9246f265de31..27db8835c241 100644
+--- a/drivers/media/platform/vimc/vimc-core.c
++++ b/drivers/media/platform/vimc/vimc-core.c
+@@ -303,6 +303,8 @@ static int vimc_probe(struct platform_device *pdev)
+ 
+ 	dev_dbg(&pdev->dev, "probe");
+ 
++	memset(&vimc->mdev, 0, sizeof(vimc->mdev));
++
+ 	/* Create platform_device for each entity in the topology*/
+ 	vimc->subdevs = devm_kcalloc(&vimc->pdev.dev, vimc->pipe_cfg->num_ents,
+ 				     sizeof(*vimc->subdevs), GFP_KERNEL);
+diff --git a/drivers/media/platform/vimc/vimc-streamer.c b/drivers/media/platform/vimc/vimc-streamer.c
+index fcc897fb247b..392754c18046 100644
+--- a/drivers/media/platform/vimc/vimc-streamer.c
++++ b/drivers/media/platform/vimc/vimc-streamer.c
+@@ -120,7 +120,6 @@ static int vimc_streamer_thread(void *data)
+ 	int i;
+ 
+ 	set_freezable();
+-	set_current_state(TASK_UNINTERRUPTIBLE);
+ 
+ 	for (;;) {
+ 		try_to_freeze();
+@@ -137,6 +136,7 @@ static int vimc_streamer_thread(void *data)
+ 				break;
+ 		}
+ 		//wait for 60hz
++		set_current_state(TASK_UNINTERRUPTIBLE);
+ 		schedule_timeout(HZ / 60);
+ 	}
+ 
+diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c
+index baa7c83ee6e0..3b09ffceefd5 100644
+--- a/drivers/media/platform/vivid/vivid-vid-cap.c
++++ b/drivers/media/platform/vivid/vivid-vid-cap.c
+@@ -992,7 +992,7 @@ int vivid_vid_cap_s_selection(struct file *file, void *fh, struct v4l2_selection
+ 		v4l2_rect_map_inside(&s->r, &dev->fmt_cap_rect);
+ 		if (dev->bitmap_cap && (compose->width != s->r.width ||
+ 					compose->height != s->r.height)) {
+-			kfree(dev->bitmap_cap);
++			vfree(dev->bitmap_cap);
+ 			dev->bitmap_cap = NULL;
+ 		}
+ 		*compose = s->r;
+diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c
+index 800d69c3f80b..1cf4019689a5 100644
+--- a/drivers/media/radio/wl128x/fmdrv_common.c
++++ b/drivers/media/radio/wl128x/fmdrv_common.c
+@@ -489,7 +489,8 @@ int fmc_send_cmd(struct fmdev *fmdev, u8 fm_op, u16 type, void *payload,
+ 		return -EIO;
+ 	}
+ 	/* Send response data to caller */
+-	if (response != NULL && response_len != NULL && evt_hdr->dlen) {
++	if (response != NULL && response_len != NULL && evt_hdr->dlen &&
++	    evt_hdr->dlen <= payload_len) {
+ 		/* Skip header info and copy only response data */
+ 		skb_pull(skb, sizeof(struct fm_event_msg_hdr));
+ 		memcpy(response, skb->data, evt_hdr->dlen);
+@@ -583,6 +584,8 @@ static void fm_irq_handle_flag_getcmd_resp(struct fmdev *fmdev)
+ 		return;
+ 
+ 	fm_evt_hdr = (void *)skb->data;
++	if (fm_evt_hdr->dlen > sizeof(fmdev->irq_info.flag))
++		return;
+ 
+ 	/* Skip header info and copy only response data */
+ 	skb_pull(skb, sizeof(struct fm_event_msg_hdr));
+@@ -1308,7 +1311,7 @@ static int load_default_rx_configuration(struct fmdev *fmdev)
+ static int fm_power_up(struct fmdev *fmdev, u8 mode)
+ {
+ 	u16 payload;
+-	__be16 asic_id, asic_ver;
++	__be16 asic_id = 0, asic_ver = 0;
+ 	int resp_len, ret;
+ 	u8 fw_name[50];
+ 
+diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c
+index 8bf5637b3a69..e613c0175591 100644
+--- a/drivers/media/rc/serial_ir.c
++++ b/drivers/media/rc/serial_ir.c
+@@ -773,8 +773,6 @@ static void serial_ir_exit(void)
+ 
+ static int __init serial_ir_init_module(void)
+ {
+-	int result;
+-
+ 	switch (type) {
+ 	case IR_HOMEBREW:
+ 	case IR_IRDEO:
+@@ -802,12 +800,7 @@ static int __init serial_ir_init_module(void)
+ 	if (sense != -1)
+ 		sense = !!sense;
+ 
+-	result = serial_ir_init();
+-	if (!result)
+-		return 0;
+-
+-	serial_ir_exit();
+-	return result;
++	return serial_ir_init();
+ }
+ 
+ static void __exit serial_ir_exit_module(void)
+diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
+index 62b45062b1e6..3e111f7f56df 100644
+--- a/drivers/media/usb/au0828/au0828-video.c
++++ b/drivers/media/usb/au0828/au0828-video.c
+@@ -758,6 +758,9 @@ static int au0828_analog_stream_enable(struct au0828_dev *d)
+ 
+ 	dprintk(1, "au0828_analog_stream_enable called\n");
+ 
++	if (test_bit(DEV_DISCONNECTED, &d->dev_state))
++		return -ENODEV;
++
+ 	iface = usb_ifnum_to_if(d->usbdev, 0);
+ 	if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) {
+ 		dprintk(1, "Changing intf#0 to alt 5\n");
+@@ -839,9 +842,9 @@ int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
+ 			return rc;
+ 		}
+ 
++		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1);
++
+ 		if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+-			v4l2_device_call_all(&dev->v4l2_dev, 0, video,
+-						s_stream, 1);
+ 			dev->vid_timeout_running = 1;
+ 			mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
+ 		} else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+@@ -861,10 +864,11 @@ static void au0828_stop_streaming(struct vb2_queue *vq)
+ 
+ 	dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users);
+ 
+-	if (dev->streaming_users-- == 1)
++	if (dev->streaming_users-- == 1) {
+ 		au0828_uninit_isoc(dev);
++		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
++	}
+ 
+-	v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
+ 	dev->vid_timeout_running = 0;
+ 	del_timer_sync(&dev->vid_timeout);
+ 
+@@ -893,8 +897,10 @@ void au0828_stop_vbi_streaming(struct vb2_queue *vq)
+ 	dprintk(1, "au0828_stop_vbi_streaming called %d\n",
+ 		dev->streaming_users);
+ 
+-	if (dev->streaming_users-- == 1)
++	if (dev->streaming_users-- == 1) {
+ 		au0828_uninit_isoc(dev);
++		v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
++	}
+ 
+ 	spin_lock_irqsave(&dev->slock, flags);
+ 	if (dev->isoc_ctl.vbi_buf != NULL) {
+diff --git a/drivers/media/usb/cpia2/cpia2_v4l.c b/drivers/media/usb/cpia2/cpia2_v4l.c
+index 99f106b13280..d47318958fe5 100644
+--- a/drivers/media/usb/cpia2/cpia2_v4l.c
++++ b/drivers/media/usb/cpia2/cpia2_v4l.c
+@@ -1244,8 +1244,7 @@ static int __init cpia2_init(void)
+ 	LOG("%s v%s\n",
+ 	    ABOUT, CPIA_VERSION);
+ 	check_parameters();
+-	cpia2_usb_init();
+-	return 0;
++	return cpia2_usb_init();
+ }
+ 
+ 
+diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c
+index e28bd8836751..ae0814dd202a 100644
+--- a/drivers/media/usb/dvb-usb-v2/dvbsky.c
++++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c
+@@ -615,16 +615,18 @@ static int dvbsky_init(struct dvb_usb_device *d)
+ 	return 0;
+ }
+ 
+-static void dvbsky_exit(struct dvb_usb_device *d)
++static int dvbsky_frontend_detach(struct dvb_usb_adapter *adap)
+ {
++	struct dvb_usb_device *d = adap_to_d(adap);
+ 	struct dvbsky_state *state = d_to_priv(d);
+-	struct dvb_usb_adapter *adap = &d->adapter[0];
++
++	dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
+ 
+ 	dvb_module_release(state->i2c_client_tuner);
+ 	dvb_module_release(state->i2c_client_demod);
+ 	dvb_module_release(state->i2c_client_ci);
+ 
+-	adap->fe[0] = NULL;
++	return 0;
+ }
+ 
+ /* DVB USB Driver stuff */
+@@ -640,11 +642,11 @@ static struct dvb_usb_device_properties dvbsky_s960_props = {
+ 
+ 	.i2c_algo         = &dvbsky_i2c_algo,
+ 	.frontend_attach  = dvbsky_s960_attach,
++	.frontend_detach  = dvbsky_frontend_detach,
+ 	.init             = dvbsky_init,
+ 	.get_rc_config    = dvbsky_get_rc_config,
+ 	.streaming_ctrl   = dvbsky_streaming_ctrl,
+ 	.identify_state	  = dvbsky_identify_state,
+-	.exit             = dvbsky_exit,
+ 	.read_mac_address = dvbsky_read_mac_addr,
+ 
+ 	.num_adapters = 1,
+@@ -667,11 +669,11 @@ static struct dvb_usb_device_properties dvbsky_s960c_props = {
+ 
+ 	.i2c_algo         = &dvbsky_i2c_algo,
+ 	.frontend_attach  = dvbsky_s960c_attach,
++	.frontend_detach  = dvbsky_frontend_detach,
+ 	.init             = dvbsky_init,
+ 	.get_rc_config    = dvbsky_get_rc_config,
+ 	.streaming_ctrl   = dvbsky_streaming_ctrl,
+ 	.identify_state	  = dvbsky_identify_state,
+-	.exit             = dvbsky_exit,
+ 	.read_mac_address = dvbsky_read_mac_addr,
+ 
+ 	.num_adapters = 1,
+@@ -694,11 +696,11 @@ static struct dvb_usb_device_properties dvbsky_t680c_props = {
+ 
+ 	.i2c_algo         = &dvbsky_i2c_algo,
+ 	.frontend_attach  = dvbsky_t680c_attach,
++	.frontend_detach  = dvbsky_frontend_detach,
+ 	.init             = dvbsky_init,
+ 	.get_rc_config    = dvbsky_get_rc_config,
+ 	.streaming_ctrl   = dvbsky_streaming_ctrl,
+ 	.identify_state	  = dvbsky_identify_state,
+-	.exit             = dvbsky_exit,
+ 	.read_mac_address = dvbsky_read_mac_addr,
+ 
+ 	.num_adapters = 1,
+@@ -721,11 +723,11 @@ static struct dvb_usb_device_properties dvbsky_t330_props = {
+ 
+ 	.i2c_algo         = &dvbsky_i2c_algo,
+ 	.frontend_attach  = dvbsky_t330_attach,
++	.frontend_detach  = dvbsky_frontend_detach,
+ 	.init             = dvbsky_init,
+ 	.get_rc_config    = dvbsky_get_rc_config,
+ 	.streaming_ctrl   = dvbsky_streaming_ctrl,
+ 	.identify_state	  = dvbsky_identify_state,
+-	.exit             = dvbsky_exit,
+ 	.read_mac_address = dvbsky_read_mac_addr,
+ 
+ 	.num_adapters = 1,
+@@ -748,11 +750,11 @@ static struct dvb_usb_device_properties mygica_t230c_props = {
+ 
+ 	.i2c_algo         = &dvbsky_i2c_algo,
+ 	.frontend_attach  = dvbsky_mygica_t230c_attach,
++	.frontend_detach  = dvbsky_frontend_detach,
+ 	.init             = dvbsky_init,
+ 	.get_rc_config    = dvbsky_get_rc_config,
+ 	.streaming_ctrl   = dvbsky_streaming_ctrl,
+ 	.identify_state	  = dvbsky_identify_state,
+-	.exit             = dvbsky_exit,
+ 
+ 	.num_adapters = 1,
+ 	.adapter = {
+diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c
+index 24f5b615dc7a..dfa9f899d0c2 100644
+--- a/drivers/media/usb/go7007/go7007-fw.c
++++ b/drivers/media/usb/go7007/go7007-fw.c
+@@ -1499,8 +1499,8 @@ static int modet_to_package(struct go7007 *go, __le16 *code, int space)
+ 	return cnt;
+ }
+ 
+-static int do_special(struct go7007 *go, u16 type, __le16 *code, int space,
+-			int *framelen)
++static noinline_for_stack int do_special(struct go7007 *go, u16 type,
++					 __le16 *code, int space, int *framelen)
+ {
+ 	switch (type) {
+ 	case SPECIAL_FRM_HEAD:
+diff --git a/drivers/media/usb/gspca/gspca.c b/drivers/media/usb/gspca/gspca.c
+index 405a6a76d820..b12356c533a6 100644
+--- a/drivers/media/usb/gspca/gspca.c
++++ b/drivers/media/usb/gspca/gspca.c
+@@ -294,7 +294,7 @@ static void fill_frame(struct gspca_dev *gspca_dev,
+ 		/* check the packet status and length */
+ 		st = urb->iso_frame_desc[i].status;
+ 		if (st) {
+-			pr_err("ISOC data error: [%d] len=%d, status=%d\n",
++			gspca_dbg(gspca_dev, D_PACK, "ISOC data error: [%d] len=%d, status=%d\n",
+ 			       i, len, st);
+ 			gspca_dev->last_packet_type = DISCARD_PACKET;
+ 			continue;
+@@ -314,6 +314,8 @@ static void fill_frame(struct gspca_dev *gspca_dev,
+ 	}
+ 
+ resubmit:
++	if (!gspca_dev->streaming)
++		return;
+ 	/* resubmit the URB */
+ 	st = usb_submit_urb(urb, GFP_ATOMIC);
+ 	if (st < 0)
+@@ -330,7 +332,7 @@ static void isoc_irq(struct urb *urb)
+ 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
+ 
+ 	gspca_dbg(gspca_dev, D_PACK, "isoc irq\n");
+-	if (!vb2_start_streaming_called(&gspca_dev->queue))
++	if (!gspca_dev->streaming)
+ 		return;
+ 	fill_frame(gspca_dev, urb);
+ }
+@@ -344,7 +346,7 @@ static void bulk_irq(struct urb *urb)
+ 	int st;
+ 
+ 	gspca_dbg(gspca_dev, D_PACK, "bulk irq\n");
+-	if (!vb2_start_streaming_called(&gspca_dev->queue))
++	if (!gspca_dev->streaming)
+ 		return;
+ 	switch (urb->status) {
+ 	case 0:
+@@ -367,6 +369,8 @@ static void bulk_irq(struct urb *urb)
+ 				urb->actual_length);
+ 
+ resubmit:
++	if (!gspca_dev->streaming)
++		return;
+ 	/* resubmit the URB */
+ 	if (gspca_dev->cam.bulk_nurbs != 0) {
+ 		st = usb_submit_urb(urb, GFP_ATOMIC);
+@@ -1630,6 +1634,8 @@ void gspca_disconnect(struct usb_interface *intf)
+ 
+ 	mutex_lock(&gspca_dev->usb_lock);
+ 	gspca_dev->present = false;
++	destroy_urbs(gspca_dev);
++	gspca_input_destroy_urb(gspca_dev);
+ 
+ 	vb2_queue_error(&gspca_dev->queue);
+ 
+diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+index a8519da0020b..673fdca8d2da 100644
+--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
++++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+@@ -666,6 +666,8 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp)
+ 
+ static int ctrl_check_input(struct pvr2_ctrl *cptr,int v)
+ {
++	if (v < 0 || v > PVR2_CVAL_INPUT_MAX)
++		return 0;
+ 	return ((1 << v) & cptr->hdw->input_allowed_mask) != 0;
+ }
+ 
+diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.h b/drivers/media/usb/pvrusb2/pvrusb2-hdw.h
+index 25648add77e5..bd2b7a67b732 100644
+--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.h
++++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.h
+@@ -50,6 +50,7 @@
+ #define PVR2_CVAL_INPUT_COMPOSITE 2
+ #define PVR2_CVAL_INPUT_SVIDEO 3
+ #define PVR2_CVAL_INPUT_RADIO 4
++#define PVR2_CVAL_INPUT_MAX PVR2_CVAL_INPUT_RADIO
+ 
+ enum pvr2_config {
+ 	pvr2_config_empty,    /* No configuration */
+diff --git a/drivers/mmc/core/pwrseq_emmc.c b/drivers/mmc/core/pwrseq_emmc.c
+index efb8a7965dd4..154f4204d58c 100644
+--- a/drivers/mmc/core/pwrseq_emmc.c
++++ b/drivers/mmc/core/pwrseq_emmc.c
+@@ -30,19 +30,14 @@ struct mmc_pwrseq_emmc {
+ 
+ #define to_pwrseq_emmc(p) container_of(p, struct mmc_pwrseq_emmc, pwrseq)
+ 
+-static void __mmc_pwrseq_emmc_reset(struct mmc_pwrseq_emmc *pwrseq)
+-{
+-	gpiod_set_value(pwrseq->reset_gpio, 1);
+-	udelay(1);
+-	gpiod_set_value(pwrseq->reset_gpio, 0);
+-	udelay(200);
+-}
+-
+ static void mmc_pwrseq_emmc_reset(struct mmc_host *host)
+ {
+ 	struct mmc_pwrseq_emmc *pwrseq =  to_pwrseq_emmc(host->pwrseq);
+ 
+-	__mmc_pwrseq_emmc_reset(pwrseq);
++	gpiod_set_value_cansleep(pwrseq->reset_gpio, 1);
++	udelay(1);
++	gpiod_set_value_cansleep(pwrseq->reset_gpio, 0);
++	udelay(200);
+ }
+ 
+ static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this,
+@@ -50,8 +45,11 @@ static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this,
+ {
+ 	struct mmc_pwrseq_emmc *pwrseq = container_of(this,
+ 					struct mmc_pwrseq_emmc, reset_nb);
++	gpiod_set_value(pwrseq->reset_gpio, 1);
++	udelay(1);
++	gpiod_set_value(pwrseq->reset_gpio, 0);
++	udelay(200);
+ 
+-	__mmc_pwrseq_emmc_reset(pwrseq);
+ 	return NOTIFY_DONE;
+ }
+ 
+@@ -72,14 +70,18 @@ static int mmc_pwrseq_emmc_probe(struct platform_device *pdev)
+ 	if (IS_ERR(pwrseq->reset_gpio))
+ 		return PTR_ERR(pwrseq->reset_gpio);
+ 
+-	/*
+-	 * register reset handler to ensure emmc reset also from
+-	 * emergency_reboot(), priority 255 is the highest priority
+-	 * so it will be executed before any system reboot handler.
+-	 */
+-	pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb;
+-	pwrseq->reset_nb.priority = 255;
+-	register_restart_handler(&pwrseq->reset_nb);
++	if (!gpiod_cansleep(pwrseq->reset_gpio)) {
++		/*
++		 * register reset handler to ensure emmc reset also from
++		 * emergency_reboot(), priority 255 is the highest priority
++		 * so it will be executed before any system reboot handler.
++		 */
++		pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb;
++		pwrseq->reset_nb.priority = 255;
++		register_restart_handler(&pwrseq->reset_nb);
++	} else {
++		dev_notice(dev, "EMMC reset pin tied to a sleepy GPIO driver; reset on emergency-reboot disabled\n");
++	}
+ 
+ 	pwrseq->pwrseq.ops = &mmc_pwrseq_emmc_ops;
+ 	pwrseq->pwrseq.dev = dev;
+diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
+index d0d9f90e7cdf..cfb8ee24eaba 100644
+--- a/drivers/mmc/core/sd.c
++++ b/drivers/mmc/core/sd.c
+@@ -216,6 +216,14 @@ static int mmc_decode_scr(struct mmc_card *card)
+ 
+ 	if (scr->sda_spec3)
+ 		scr->cmds = UNSTUFF_BITS(resp, 32, 2);
++
++	/* SD Spec says: any SD Card shall set at least bits 0 and 2 */
++	if (!(scr->bus_widths & SD_SCR_BUS_WIDTH_1) ||
++	    !(scr->bus_widths & SD_SCR_BUS_WIDTH_4)) {
++		pr_err("%s: invalid bus width\n", mmc_hostname(card->host));
++		return -EINVAL;
++	}
++
+ 	return 0;
+ }
+ 
+diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
+index 67f6bd24a9d0..ea254d00541f 100644
+--- a/drivers/mmc/host/mmc_spi.c
++++ b/drivers/mmc/host/mmc_spi.c
+@@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
+ 	}
+ 
+ 	status = spi_sync_locked(spi, &host->m);
++	if (status < 0) {
++		dev_dbg(&spi->dev, "read error %d\n", status);
++		return status;
++	}
+ 
+ 	if (host->dma_dev) {
+ 		dma_sync_single_for_cpu(host->dma_dev,
+diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
+index 94eeed2a1b53..f903ab96aa21 100644
+--- a/drivers/mmc/host/sdhci-iproc.c
++++ b/drivers/mmc/host/sdhci-iproc.c
+@@ -185,7 +185,8 @@ static const struct sdhci_ops sdhci_iproc_32only_ops = {
+ };
+ 
+ static const struct sdhci_pltfm_data sdhci_iproc_cygnus_pltfm_data = {
+-	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
++	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
++		  SDHCI_QUIRK_NO_HISPD_BIT,
+ 	.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN | SDHCI_QUIRK2_HOST_OFF_CARD_ON,
+ 	.ops = &sdhci_iproc_32only_ops,
+ };
+@@ -208,7 +209,8 @@ static const struct sdhci_iproc_data iproc_cygnus_data = {
+ 
+ static const struct sdhci_pltfm_data sdhci_iproc_pltfm_data = {
+ 	.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
+-		  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
++		  SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 |
++		  SDHCI_QUIRK_NO_HISPD_BIT,
+ 	.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
+ 	.ops = &sdhci_iproc_ops,
+ };
+diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
+index a7bf8515116f..e5c598ae5f24 100644
+--- a/drivers/mmc/host/sdhci-of-esdhc.c
++++ b/drivers/mmc/host/sdhci-of-esdhc.c
+@@ -643,6 +643,9 @@ static void esdhc_reset(struct sdhci_host *host, u8 mask)
+ 	sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ 	sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+ 
++	if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc"))
++		mdelay(5);
++
+ 	if (mask & SDHCI_RESET_ALL) {
+ 		val = sdhci_readl(host, ESDHC_TBCTL);
+ 		val &= ~ESDHC_TB_EN;
+@@ -917,6 +920,11 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
+ 	if (esdhc->vendor_ver > VENDOR_V_22)
+ 		host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
+ 
++	if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) {
++		host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
++		host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
++	}
++
+ 	if (of_device_is_compatible(np, "fsl,p5040-esdhc") ||
+ 	    of_device_is_compatible(np, "fsl,p5020-esdhc") ||
+ 	    of_device_is_compatible(np, "fsl,p4080-esdhc") ||
+diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
+index 1b5f591cf0a2..b5d72815776c 100644
+--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
++++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
+@@ -2223,7 +2223,7 @@ static void ena_config_host_info(struct ena_com_dev *ena_dev)
+ 
+ 	host_info->os_type = ENA_ADMIN_OS_LINUX;
+ 	host_info->kernel_ver = LINUX_VERSION_CODE;
+-	strncpy(host_info->kernel_ver_str, utsname()->version,
++	strlcpy(host_info->kernel_ver_str, utsname()->version,
+ 		sizeof(host_info->kernel_ver_str) - 1);
+ 	host_info->os_dist = 0;
+ 	strncpy(host_info->os_dist_str, utsname()->release,
+diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
+index c2fd323c4078..ea75f275023f 100644
+--- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h
++++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h
+@@ -75,8 +75,8 @@ struct l2t_data {
+ 	struct l2t_entry *rover;	/* starting point for next allocation */
+ 	atomic_t nfree;		/* number of free entries */
+ 	rwlock_t lock;
+-	struct l2t_entry l2tab[0];
+ 	struct rcu_head rcu_head;	/* to handle rcu cleanup */
++	struct l2t_entry l2tab[];
+ };
+ 
+ typedef void (*arp_failure_handler_func)(struct t3cdev * dev,
+diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+index 961e3087d1d3..bb04c695ab9f 100644
+--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
++++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+@@ -6010,15 +6010,24 @@ static int __init cxgb4_init_module(void)
+ 
+ 	ret = pci_register_driver(&cxgb4_driver);
+ 	if (ret < 0)
+-		debugfs_remove(cxgb4_debugfs_root);
++		goto err_pci;
+ 
+ #if IS_ENABLED(CONFIG_IPV6)
+ 	if (!inet6addr_registered) {
+-		register_inet6addr_notifier(&cxgb4_inet6addr_notifier);
+-		inet6addr_registered = true;
++		ret = register_inet6addr_notifier(&cxgb4_inet6addr_notifier);
++		if (ret)
++			pci_unregister_driver(&cxgb4_driver);
++		else
++			inet6addr_registered = true;
+ 	}
+ #endif
+ 
++	if (ret == 0)
++		return ret;
++
++err_pci:
++	debugfs_remove(cxgb4_debugfs_root);
++
+ 	return ret;
+ }
+ 
+diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
+index 8b11682ebba2..8cd339c92c1a 100644
+--- a/drivers/net/ethernet/intel/e1000e/netdev.c
++++ b/drivers/net/ethernet/intel/e1000e/netdev.c
+@@ -7329,7 +7329,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ 
+ 	dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ 
+-	if (pci_dev_run_wake(pdev))
++	if (pci_dev_run_wake(pdev) && hw->mac.type < e1000_pch_cnp)
+ 		pm_runtime_put_noidle(&pdev->dev);
+ 
+ 	return 0;
+diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
+index f81ad0aa8b09..df8808cd7e11 100644
+--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
++++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
+@@ -2654,6 +2654,10 @@ void i40e_vlan_stripping_enable(struct i40e_vsi *vsi)
+ 	struct i40e_vsi_context ctxt;
+ 	i40e_status ret;
+ 
++	/* Don't modify stripping options if a port VLAN is active */
++	if (vsi->info.pvid)
++		return;
++
+ 	if ((vsi->info.valid_sections &
+ 	     cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) &&
+ 	    ((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_MODE_MASK) == 0))
+@@ -2684,6 +2688,10 @@ void i40e_vlan_stripping_disable(struct i40e_vsi *vsi)
+ 	struct i40e_vsi_context ctxt;
+ 	i40e_status ret;
+ 
++	/* Don't modify stripping options if a port VLAN is active */
++	if (vsi->info.pvid)
++		return;
++
+ 	if ((vsi->info.valid_sections &
+ 	     cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) &&
+ 	    ((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_EMOD_MASK) ==
+diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+index c6d24eaede18..d86f3fa7aa6a 100644
+--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
++++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+@@ -2399,8 +2399,10 @@ error_param:
+ 				      (u8 *)&stats, sizeof(stats));
+ }
+ 
+-/* If the VF is not trusted restrict the number of MAC/VLAN it can program */
+-#define I40E_VC_MAX_MAC_ADDR_PER_VF 12
++/* If the VF is not trusted restrict the number of MAC/VLAN it can program
++ * MAC filters: 16 for multicast, 1 for MAC, 1 for broadcast
++ */
++#define I40E_VC_MAX_MAC_ADDR_PER_VF (16 + 1 + 1)
+ #define I40E_VC_MAX_VLAN_PER_VF 8
+ 
+ /**
+diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
+index aa39a068858e..5aa083d9a6c9 100644
+--- a/drivers/net/ethernet/intel/igb/igb_main.c
++++ b/drivers/net/ethernet/intel/igb/igb_main.c
+@@ -3468,6 +3468,9 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ 			break;
+ 		}
+ 	}
++
++	dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
++
+ 	pm_runtime_put_noidle(&pdev->dev);
+ 	return 0;
+ 
+diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
+index fb12b63439c6..35413041dcf8 100644
+--- a/drivers/net/hyperv/netvsc.c
++++ b/drivers/net/hyperv/netvsc.c
+@@ -872,12 +872,6 @@ static inline int netvsc_send_pkt(
+ 	} else if (ret == -EAGAIN) {
+ 		netif_tx_stop_queue(txq);
+ 		ndev_ctx->eth_stats.stop_queue++;
+-		if (atomic_read(&nvchan->queue_sends) < 1 &&
+-		    !net_device->tx_disable) {
+-			netif_tx_wake_queue(txq);
+-			ndev_ctx->eth_stats.wake_queue++;
+-			ret = -ENOSPC;
+-		}
+ 	} else {
+ 		netdev_err(ndev,
+ 			   "Unable to send packet pages %u len %u, ret %d\n",
+@@ -885,6 +879,15 @@ static inline int netvsc_send_pkt(
+ 			   ret);
+ 	}
+ 
++	if (netif_tx_queue_stopped(txq) &&
++	    atomic_read(&nvchan->queue_sends) < 1 &&
++	    !net_device->tx_disable) {
++		netif_tx_wake_queue(txq);
++		ndev_ctx->eth_stats.wake_queue++;
++		if (ret == -EAGAIN)
++			ret = -ENOSPC;
++	}
++
+ 	return ret;
+ }
+ 
+diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
+index 366217263d70..d9a6699abe59 100644
+--- a/drivers/net/usb/qmi_wwan.c
++++ b/drivers/net/usb/qmi_wwan.c
+@@ -63,6 +63,7 @@ enum qmi_wwan_flags {
+ 
+ enum qmi_wwan_quirks {
+ 	QMI_WWAN_QUIRK_DTR = 1 << 0,	/* needs "set DTR" request */
++	QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1,	/* check num. endpoints */
+ };
+ 
+ struct qmimux_hdr {
+@@ -845,6 +846,16 @@ static const struct driver_info	qmi_wwan_info_quirk_dtr = {
+ 	.data           = QMI_WWAN_QUIRK_DTR,
+ };
+ 
++static const struct driver_info	qmi_wwan_info_quirk_quectel_dyncfg = {
++	.description	= "WWAN/QMI device",
++	.flags		= FLAG_WWAN | FLAG_SEND_ZLP,
++	.bind		= qmi_wwan_bind,
++	.unbind		= qmi_wwan_unbind,
++	.manage_power	= qmi_wwan_manage_power,
++	.rx_fixup       = qmi_wwan_rx_fixup,
++	.data           = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG,
++};
++
+ #define HUAWEI_VENDOR_ID	0x12D1
+ 
+ /* map QMI/wwan function by a fixed interface number */
+@@ -865,6 +876,15 @@ static const struct driver_info	qmi_wwan_info_quirk_dtr = {
+ #define QMI_GOBI_DEVICE(vend, prod) \
+ 	QMI_FIXED_INTF(vend, prod, 0)
+ 
++/* Quectel does not use fixed interface numbers on at least some of their
++ * devices. We need to check the number of endpoints to ensure that we bind to
++ * the correct interface.
++ */
++#define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \
++	USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \
++				      USB_SUBCLASS_VENDOR_SPEC, 0xff), \
++	.driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg
++
+ static const struct usb_device_id products[] = {
+ 	/* 1. CDC ECM like devices match on the control interface */
+ 	{	/* Huawei E392, E398 and possibly others sharing both device id and more... */
+@@ -969,20 +989,9 @@ static const struct usb_device_id products[] = {
+ 		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
+ 		.driver_info = (unsigned long)&qmi_wwan_info,
+ 	},
+-	{	/* Quectel EP06/EG06/EM06 */
+-		USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0306,
+-					      USB_CLASS_VENDOR_SPEC,
+-					      USB_SUBCLASS_VENDOR_SPEC,
+-					      0xff),
+-		.driver_info	    = (unsigned long)&qmi_wwan_info_quirk_dtr,
+-	},
+-	{	/* Quectel EG12/EM12 */
+-		USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0512,
+-					      USB_CLASS_VENDOR_SPEC,
+-					      USB_SUBCLASS_VENDOR_SPEC,
+-					      0xff),
+-		.driver_info	    = (unsigned long)&qmi_wwan_info_quirk_dtr,
+-	},
++	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
++	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)},	/* Quectel EP06/EG06/EM06 */
++	{QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)},	/* Quectel EG12/EM12 */
+ 
+ 	/* 3. Combined interface devices matching on interface number */
+ 	{QMI_FIXED_INTF(0x0408, 0xea42, 4)},	/* Yota / Megafon M100-1 */
+@@ -1283,7 +1292,6 @@ static const struct usb_device_id products[] = {
+ 	{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)},	/* HP lt4120 Snapdragon X5 LTE */
+ 	{QMI_FIXED_INTF(0x22de, 0x9061, 3)},	/* WeTelecom WPD-600N */
+ 	{QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)},	/* SIMCom 7100E, 7230E, 7600E ++ */
+-	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
+ 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)},	/* Quectel EC21 Mini PCIe */
+ 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)},	/* Quectel EG91 */
+ 	{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)},	/* Quectel BG96 */
+@@ -1363,27 +1371,12 @@ static bool quectel_ec20_detected(struct usb_interface *intf)
+ 	return false;
+ }
+ 
+-static bool quectel_diag_detected(struct usb_interface *intf)
+-{
+-	struct usb_device *dev = interface_to_usbdev(intf);
+-	struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc;
+-	u16 id_vendor = le16_to_cpu(dev->descriptor.idVendor);
+-	u16 id_product = le16_to_cpu(dev->descriptor.idProduct);
+-
+-	if (id_vendor != 0x2c7c || intf_desc.bNumEndpoints != 2)
+-		return false;
+-
+-	if (id_product == 0x0306 || id_product == 0x0512)
+-		return true;
+-	else
+-		return false;
+-}
+-
+ static int qmi_wwan_probe(struct usb_interface *intf,
+ 			  const struct usb_device_id *prod)
+ {
+ 	struct usb_device_id *id = (struct usb_device_id *)prod;
+ 	struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
++	const struct driver_info *info;
+ 
+ 	/* Workaround to enable dynamic IDs.  This disables usbnet
+ 	 * blacklisting functionality.  Which, if required, can be
+@@ -1417,10 +1410,14 @@ static int qmi_wwan_probe(struct usb_interface *intf,
+ 	 * we need to match on class/subclass/protocol. These values are
+ 	 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is
+ 	 * different. Ignore the current interface if the number of endpoints
+-	 * the number for the diag interface (two).
++	 * equals the number for the diag interface (two).
+ 	 */
+-	if (quectel_diag_detected(intf))
+-		return -ENODEV;
++	info = (void *)&id->driver_info;
++
++	if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) {
++		if (desc->bNumEndpoints == 2)
++			return -ENODEV;
++	}
+ 
+ 	return usbnet_probe(intf, id);
+ }
+diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
+index 2daf33342b23..1fc2bf66845c 100644
+--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
++++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
+@@ -1131,7 +1131,12 @@ int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ 			     params->wait);
+ 
+ out:
++	/* when the sent packet was not acked by receiver(ACK=0), rc will
++	 * be -EAGAIN. In this case this function needs to return success,
++	 * the ACK=0 will be reflected in tx_status.
++	 */
+ 	tx_status = (rc == 0);
++	rc = (rc == -EAGAIN) ? 0 : rc;
+ 	cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len,
+ 				tx_status, GFP_KERNEL);
+ 
+diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
+index 42c02a20ec97..6e3b3031f29b 100644
+--- a/drivers/net/wireless/ath/wil6210/wmi.c
++++ b/drivers/net/wireless/ath/wil6210/wmi.c
+@@ -3107,8 +3107,9 @@ int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len)
+ 	rc = wmi_call(wil, WMI_SW_TX_REQ_CMDID, vif->mid, cmd, total,
+ 		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
+ 	if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) {
+-		wil_err(wil, "mgmt_tx failed with status %d\n", evt.evt.status);
+-		rc = -EINVAL;
++		wil_dbg_wmi(wil, "mgmt_tx failed with status %d\n",
++			    evt.evt.status);
++		rc = -EAGAIN;
+ 	}
+ 
+ 	kfree(cmd);
+@@ -3160,9 +3161,9 @@ int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len,
+ 	rc = wmi_call(wil, WMI_SW_TX_REQ_EXT_CMDID, vif->mid, cmd, total,
+ 		      WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000);
+ 	if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) {
+-		wil_err(wil, "mgmt_tx_ext failed with status %d\n",
+-			evt.evt.status);
+-		rc = -EINVAL;
++		wil_dbg_wmi(wil, "mgmt_tx_ext failed with status %d\n",
++			    evt.evt.status);
++		rc = -EAGAIN;
+ 	}
+ 
+ 	kfree(cmd);
+diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c
+index e99e766a3028..1cabae424839 100644
+--- a/drivers/net/wireless/atmel/at76c50x-usb.c
++++ b/drivers/net/wireless/atmel/at76c50x-usb.c
+@@ -2585,8 +2585,8 @@ static int __init at76_mod_init(void)
+ 	if (result < 0)
+ 		printk(KERN_ERR DRIVER_NAME
+ 		       ": usb_register failed (status %d)\n", result);
+-
+-	led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
++	else
++		led_trigger_register_simple("at76_usb-tx", &ledtrig_tx);
+ 	return result;
+ }
+ 
+diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.c b/drivers/net/wireless/broadcom/b43/phy_lp.c
+index 6922cbb99a04..5a0699fb4b9a 100644
+--- a/drivers/net/wireless/broadcom/b43/phy_lp.c
++++ b/drivers/net/wireless/broadcom/b43/phy_lp.c
+@@ -1834,7 +1834,7 @@ static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains,
+ static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
+ {
+ 	struct b43_phy_lp *lpphy = dev->phy.lp;
+-	struct lpphy_tx_gains gains, oldgains;
++	struct lpphy_tx_gains oldgains;
+ 	int old_txpctl, old_afe_ovr, old_rf, old_bbmult;
+ 
+ 	lpphy_read_tx_pctl_mode_from_hardware(dev);
+@@ -1848,9 +1848,9 @@ static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
+ 	lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
+ 
+ 	if (dev->dev->chip_id == 0x4325 && dev->dev->chip_rev == 0)
+-		lpphy_papd_cal(dev, gains, 0, 1, 30);
++		lpphy_papd_cal(dev, oldgains, 0, 1, 30);
+ 	else
+-		lpphy_papd_cal(dev, gains, 0, 1, 65);
++		lpphy_papd_cal(dev, oldgains, 0, 1, 65);
+ 
+ 	if (old_afe_ovr)
+ 		lpphy_set_tx_gains(dev, oldgains);
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+index 6f3faaf1b1cb..c7c520f327f2 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+@@ -3466,6 +3466,8 @@ brcmf_wowl_nd_results(struct brcmf_if *ifp, const struct brcmf_event_msg *e,
+ 	}
+ 
+ 	netinfo = brcmf_get_netinfo_array(pfn_result);
++	if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN)
++		netinfo->SSID_len = IEEE80211_MAX_SSID_LEN;
+ 	memcpy(cfg->wowl.nd->ssid.ssid, netinfo->SSID, netinfo->SSID_len);
+ 	cfg->wowl.nd->ssid.ssid_len = netinfo->SSID_len;
+ 	cfg->wowl.nd->n_channels = 1;
+@@ -5366,6 +5368,8 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
+ 		conn_info->req_ie =
+ 		    kmemdup(cfg->extra_buf, conn_info->req_ie_len,
+ 			    GFP_KERNEL);
++		if (!conn_info->req_ie)
++			conn_info->req_ie_len = 0;
+ 	} else {
+ 		conn_info->req_ie_len = 0;
+ 		conn_info->req_ie = NULL;
+@@ -5382,6 +5386,8 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
+ 		conn_info->resp_ie =
+ 		    kmemdup(cfg->extra_buf, conn_info->resp_ie_len,
+ 			    GFP_KERNEL);
++		if (!conn_info->resp_ie)
++			conn_info->resp_ie_len = 0;
+ 	} else {
+ 		conn_info->resp_ie_len = 0;
+ 		conn_info->resp_ie = NULL;
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+index 860a4372cb56..36a04c1144e5 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+@@ -464,7 +464,8 @@ void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event)
+ 	} else {
+ 		/* Process special event packets */
+ 		if (handle_event)
+-			brcmf_fweh_process_skb(ifp->drvr, skb);
++			brcmf_fweh_process_skb(ifp->drvr, skb,
++					       BCMILCP_SUBTYPE_VENDOR_LONG);
+ 
+ 		brcmf_netif_rx(ifp, skb);
+ 	}
+@@ -481,7 +482,7 @@ void brcmf_rx_event(struct device *dev, struct sk_buff *skb)
+ 	if (brcmf_rx_hdrpull(drvr, skb, &ifp))
+ 		return;
+ 
+-	brcmf_fweh_process_skb(ifp->drvr, skb);
++	brcmf_fweh_process_skb(ifp->drvr, skb, 0);
+ 	brcmu_pkt_buf_free_skb(skb);
+ }
+ 
+@@ -783,17 +784,17 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx,
+ 			 bool rtnl_locked)
+ {
+ 	struct brcmf_if *ifp;
++	int ifidx;
+ 
+ 	ifp = drvr->iflist[bsscfgidx];
+-	drvr->iflist[bsscfgidx] = NULL;
+ 	if (!ifp) {
+ 		brcmf_err("Null interface, bsscfgidx=%d\n", bsscfgidx);
+ 		return;
+ 	}
+ 	brcmf_dbg(TRACE, "Enter, bsscfgidx=%d, ifidx=%d\n", bsscfgidx,
+ 		  ifp->ifidx);
+-	if (drvr->if2bss[ifp->ifidx] == bsscfgidx)
+-		drvr->if2bss[ifp->ifidx] = BRCMF_BSSIDX_INVALID;
++	ifidx = ifp->ifidx;
++
+ 	if (ifp->ndev) {
+ 		if (bsscfgidx == 0) {
+ 			if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
+@@ -821,6 +822,10 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx,
+ 		brcmf_p2p_ifp_removed(ifp, rtnl_locked);
+ 		kfree(ifp);
+ 	}
++
++	drvr->iflist[bsscfgidx] = NULL;
++	if (drvr->if2bss[ifidx] == bsscfgidx)
++		drvr->if2bss[ifidx] = BRCMF_BSSIDX_INVALID;
+ }
+ 
+ void brcmf_remove_interface(struct brcmf_if *ifp, bool rtnl_locked)
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h
+index 816f80ea925b..ebd66fe0d949 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h
+@@ -211,7 +211,7 @@ enum brcmf_fweh_event_code {
+  */
+ #define BRCM_OUI				"\x00\x10\x18"
+ #define BCMILCP_BCM_SUBTYPE_EVENT		1
+-
++#define BCMILCP_SUBTYPE_VENDOR_LONG		32769
+ 
+ /**
+  * struct brcm_ethhdr - broadcom specific ether header.
+@@ -334,10 +334,10 @@ void brcmf_fweh_process_event(struct brcmf_pub *drvr,
+ void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing);
+ 
+ static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
+-					  struct sk_buff *skb)
++					  struct sk_buff *skb, u16 stype)
+ {
+ 	struct brcmf_event *event_packet;
+-	u16 usr_stype;
++	u16 subtype, usr_stype;
+ 
+ 	/* only process events when protocol matches */
+ 	if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
+@@ -346,8 +346,16 @@ static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
+ 	if ((skb->len + ETH_HLEN) < sizeof(*event_packet))
+ 		return;
+ 
+-	/* check for BRCM oui match */
+ 	event_packet = (struct brcmf_event *)skb_mac_header(skb);
++
++	/* check subtype if needed */
++	if (unlikely(stype)) {
++		subtype = get_unaligned_be16(&event_packet->hdr.subtype);
++		if (subtype != stype)
++			return;
++	}
++
++	/* check for BRCM oui match */
+ 	if (memcmp(BRCM_OUI, &event_packet->hdr.oui[0],
+ 		   sizeof(event_packet->hdr.oui)))
+ 		return;
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+index f3cbf78c8899..5a0a29c4cdea 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+@@ -579,24 +579,6 @@ static bool brcmf_fws_ifidx_match(struct sk_buff *skb, void *arg)
+ 	return ifidx == *(int *)arg;
+ }
+ 
+-static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q,
+-				int ifidx)
+-{
+-	bool (*matchfn)(struct sk_buff *, void *) = NULL;
+-	struct sk_buff *skb;
+-	int prec;
+-
+-	if (ifidx != -1)
+-		matchfn = brcmf_fws_ifidx_match;
+-	for (prec = 0; prec < q->num_prec; prec++) {
+-		skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
+-		while (skb) {
+-			brcmu_pkt_buf_free_skb(skb);
+-			skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
+-		}
+-	}
+-}
+-
+ static void brcmf_fws_hanger_init(struct brcmf_fws_hanger *hanger)
+ {
+ 	int i;
+@@ -668,6 +650,28 @@ static inline int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h,
+ 	return 0;
+ }
+ 
++static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q,
++				int ifidx)
++{
++	bool (*matchfn)(struct sk_buff *, void *) = NULL;
++	struct sk_buff *skb;
++	int prec;
++	u32 hslot;
++
++	if (ifidx != -1)
++		matchfn = brcmf_fws_ifidx_match;
++	for (prec = 0; prec < q->num_prec; prec++) {
++		skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
++		while (skb) {
++			hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
++			brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb,
++						true);
++			brcmu_pkt_buf_free_skb(skb);
++			skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
++		}
++	}
++}
++
+ static int brcmf_fws_hanger_mark_suppressed(struct brcmf_fws_hanger *h,
+ 					    u32 slot_id)
+ {
+@@ -2168,6 +2172,8 @@ void brcmf_fws_del_interface(struct brcmf_if *ifp)
+ 	brcmf_fws_lock(fws);
+ 	ifp->fws_desc = NULL;
+ 	brcmf_dbg(TRACE, "deleting %s\n", entry->name);
++	brcmf_fws_macdesc_cleanup(fws, &fws->desc.iface[ifp->ifidx],
++				  ifp->ifidx);
+ 	brcmf_fws_macdesc_deinit(entry);
+ 	brcmf_fws_cleanup(fws, ifp->ifidx);
+ 	brcmf_fws_unlock(fws);
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+index 4e8397a0cbc8..ee922b052561 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+@@ -1116,7 +1116,7 @@ static void brcmf_msgbuf_process_event(struct brcmf_msgbuf *msgbuf, void *buf)
+ 
+ 	skb->protocol = eth_type_trans(skb, ifp->ndev);
+ 
+-	brcmf_fweh_process_skb(ifp->drvr, skb);
++	brcmf_fweh_process_skb(ifp->drvr, skb, 0);
+ 
+ exit:
+ 	brcmu_pkt_buf_free_skb(skb);
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+index a4308c6e72d7..44ead0fea7c6 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c
+@@ -160,7 +160,7 @@ struct brcmf_usbdev_info {
+ 
+ 	struct usb_device *usbdev;
+ 	struct device *dev;
+-	struct mutex dev_init_lock;
++	struct completion dev_init_done;
+ 
+ 	int ctl_in_pipe, ctl_out_pipe;
+ 	struct urb *ctl_urb; /* URB for control endpoint */
+@@ -684,12 +684,18 @@ static int brcmf_usb_up(struct device *dev)
+ 
+ static void brcmf_cancel_all_urbs(struct brcmf_usbdev_info *devinfo)
+ {
++	int i;
++
+ 	if (devinfo->ctl_urb)
+ 		usb_kill_urb(devinfo->ctl_urb);
+ 	if (devinfo->bulk_urb)
+ 		usb_kill_urb(devinfo->bulk_urb);
+-	brcmf_usb_free_q(&devinfo->tx_postq, true);
+-	brcmf_usb_free_q(&devinfo->rx_postq, true);
++	if (devinfo->tx_reqs)
++		for (i = 0; i < devinfo->bus_pub.ntxq; i++)
++			usb_kill_urb(devinfo->tx_reqs[i].urb);
++	if (devinfo->rx_reqs)
++		for (i = 0; i < devinfo->bus_pub.nrxq; i++)
++			usb_kill_urb(devinfo->rx_reqs[i].urb);
+ }
+ 
+ static void brcmf_usb_down(struct device *dev)
+@@ -1195,11 +1201,11 @@ static void brcmf_usb_probe_phase2(struct device *dev, int ret,
+ 	if (ret)
+ 		goto error;
+ 
+-	mutex_unlock(&devinfo->dev_init_lock);
++	complete(&devinfo->dev_init_done);
+ 	return;
+ error:
+ 	brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), ret);
+-	mutex_unlock(&devinfo->dev_init_lock);
++	complete(&devinfo->dev_init_done);
+ 	device_release_driver(dev);
+ }
+ 
+@@ -1267,7 +1273,7 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo)
+ 		if (ret)
+ 			goto fail;
+ 		/* we are done */
+-		mutex_unlock(&devinfo->dev_init_lock);
++		complete(&devinfo->dev_init_done);
+ 		return 0;
+ 	}
+ 	bus->chip = bus_pub->devid;
+@@ -1327,11 +1333,10 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
+ 
+ 	devinfo->usbdev = usb;
+ 	devinfo->dev = &usb->dev;
+-	/* Take an init lock, to protect for disconnect while still loading.
++	/* Init completion, to protect for disconnect while still loading.
+ 	 * Necessary because of the asynchronous firmware load construction
+ 	 */
+-	mutex_init(&devinfo->dev_init_lock);
+-	mutex_lock(&devinfo->dev_init_lock);
++	init_completion(&devinfo->dev_init_done);
+ 
+ 	usb_set_intfdata(intf, devinfo);
+ 
+@@ -1409,7 +1414,7 @@ brcmf_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
+ 	return 0;
+ 
+ fail:
+-	mutex_unlock(&devinfo->dev_init_lock);
++	complete(&devinfo->dev_init_done);
+ 	kfree(devinfo);
+ 	usb_set_intfdata(intf, NULL);
+ 	return ret;
+@@ -1424,7 +1429,7 @@ brcmf_usb_disconnect(struct usb_interface *intf)
+ 	devinfo = (struct brcmf_usbdev_info *)usb_get_intfdata(intf);
+ 
+ 	if (devinfo) {
+-		mutex_lock(&devinfo->dev_init_lock);
++		wait_for_completion(&devinfo->dev_init_done);
+ 		/* Make sure that devinfo still exists. Firmware probe routines
+ 		 * may have released the device and cleared the intfdata.
+ 		 */
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c
+index 8eff2753abad..d493021f6031 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/vendor.c
+@@ -35,9 +35,10 @@ static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy,
+ 	struct brcmf_if *ifp;
+ 	const struct brcmf_vndr_dcmd_hdr *cmdhdr = data;
+ 	struct sk_buff *reply;
+-	int ret, payload, ret_len;
++	unsigned int payload, ret_len;
+ 	void *dcmd_buf = NULL, *wr_pointer;
+ 	u16 msglen, maxmsglen = PAGE_SIZE - 0x100;
++	int ret;
+ 
+ 	if (len < sizeof(*cmdhdr)) {
+ 		brcmf_err("vendor command too short: %d\n", len);
+@@ -65,7 +66,7 @@ static int brcmf_cfg80211_vndr_cmds_dcmd_handler(struct wiphy *wiphy,
+ 			brcmf_err("oversize return buffer %d\n", ret_len);
+ 			ret_len = BRCMF_DCMD_MAXLEN;
+ 		}
+-		payload = max(ret_len, len) + 1;
++		payload = max_t(unsigned int, ret_len, len) + 1;
+ 		dcmd_buf = vzalloc(payload);
+ 		if (NULL == dcmd_buf)
+ 			return -ENOMEM;
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+index b2905f01b7df..6dcd5374d9b4 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+@@ -1388,10 +1388,15 @@ out_err:
+ static void iwl_pcie_rx_handle(struct iwl_trans *trans, int queue)
+ {
+ 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+-	struct iwl_rxq *rxq = &trans_pcie->rxq[queue];
++	struct iwl_rxq *rxq;
+ 	u32 r, i, count = 0;
+ 	bool emergency = false;
+ 
++	if (WARN_ON_ONCE(!trans_pcie->rxq || !trans_pcie->rxq[queue].bd))
++		return;
++
++	rxq = &trans_pcie->rxq[queue];
++
+ restart:
+ 	spin_lock(&rxq->lock);
+ 	/* uCode's read index (stored in shared DRAM) indicates the last Rx
+diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+index 2d87ebbfa4da..47ec5293c045 100644
+--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
++++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+@@ -4045,16 +4045,20 @@ static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
+ 
+ 		if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
+ 			dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
++			kfree(hostcmd);
+ 			return -EFAULT;
+ 		}
+ 
+ 		/* process hostcmd response*/
+ 		skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
+-		if (!skb)
++		if (!skb) {
++			kfree(hostcmd);
+ 			return -ENOMEM;
++		}
+ 		err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
+ 			      hostcmd->len, hostcmd->cmd);
+ 		if (err) {
++			kfree(hostcmd);
+ 			kfree_skb(skb);
+ 			return -EMSGSIZE;
+ 		}
+diff --git a/drivers/net/wireless/marvell/mwifiex/cfp.c b/drivers/net/wireless/marvell/mwifiex/cfp.c
+index bfe84e55df77..f1522fb1c1e8 100644
+--- a/drivers/net/wireless/marvell/mwifiex/cfp.c
++++ b/drivers/net/wireless/marvell/mwifiex/cfp.c
+@@ -531,5 +531,8 @@ u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv,
+ 		rate_index = (rx_rate > MWIFIEX_RATE_INDEX_OFDM0) ?
+ 			      rx_rate - 1 : rx_rate;
+ 
++	if (rate_index >= MWIFIEX_MAX_AC_RX_RATES)
++		rate_index = MWIFIEX_MAX_AC_RX_RATES - 1;
++
+ 	return rate_index;
+ }
+diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
+index ef9b502ce576..a3189294ecb8 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/base.c
++++ b/drivers/net/wireless/realtek/rtlwifi/base.c
+@@ -469,6 +469,11 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
+ 	/* <2> work queue */
+ 	rtlpriv->works.hw = hw;
+ 	rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
++	if (unlikely(!rtlpriv->works.rtl_wq)) {
++		pr_err("Failed to allocate work queue\n");
++		return;
++	}
++
+ 	INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
+ 			  (void *)rtl_watchdog_wq_callback);
+ 	INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c
+index 63874512598b..b5f91c994c79 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/fw.c
+@@ -622,6 +622,8 @@ void rtl88e_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
+ 		      u1rsvdpageloc, 3);
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
+ 
+ 	rtstatus = rtl_cmd_send_packet(hw, skb);
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c
+index f3bff66e85d0..81ec0e6e07c1 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/fw_common.c
+@@ -646,6 +646,8 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw,
+ 
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
+ 
+ 	if (cmd_send_packet)
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
+index 84a0d0eb72e1..a933490928ba 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/fw.c
+@@ -766,6 +766,8 @@ void rtl92ee_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
+ 		      u1rsvdpageloc, 3);
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
+ 
+ 	rtstatus = rtl_cmd_send_packet(hw, skb);
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c
+index bf9859f74b6f..52f108744e96 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/fw.c
+@@ -470,6 +470,8 @@ void rtl8723e_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished)
+ 		      u1rsvdpageloc, 3);
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
+ 
+ 	rtstatus = rtl_cmd_send_packet(hw, skb);
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
+index f2441fbb92f1..307c2bd77f06 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/fw.c
+@@ -584,6 +584,8 @@ void rtl8723be_set_fw_rsvdpagepkt(struct ieee80211_hw *hw,
+ 		      u1rsvdpageloc, sizeof(u1rsvdpageloc));
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet, totalpacketlen);
+ 
+ 	rtstatus = rtl_cmd_send_packet(hw, skb);
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
+index d868a034659f..d7235f6165fd 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/fw.c
+@@ -1645,6 +1645,8 @@ out:
+ 		      &reserved_page_packet_8812[0], totalpacketlen);
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet_8812, totalpacketlen);
+ 
+ 	rtstatus = rtl_cmd_send_packet(hw, skb);
+@@ -1781,6 +1783,8 @@ out:
+ 		      &reserved_page_packet_8821[0], totalpacketlen);
+ 
+ 	skb = dev_alloc_skb(totalpacketlen);
++	if (!skb)
++		return;
+ 	skb_put_data(skb, &reserved_page_packet_8821, totalpacketlen);
+ 
+ 	rtstatus = rtl_cmd_send_packet(hw, skb);
+diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+index 4e510cbe0a89..be59d66585d6 100644
+--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
++++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+@@ -188,27 +188,27 @@ bool rsi_is_cipher_wep(struct rsi_common *common)
+  * @adapter: Pointer to the adapter structure.
+  * @band: Operating band to be set.
+  *
+- * Return: None.
++ * Return: int - 0 on success, negative error on failure.
+  */
+-static void rsi_register_rates_channels(struct rsi_hw *adapter, int band)
++static int rsi_register_rates_channels(struct rsi_hw *adapter, int band)
+ {
+ 	struct ieee80211_supported_band *sbands = &adapter->sbands[band];
+ 	void *channels = NULL;
+ 
+ 	if (band == NL80211_BAND_2GHZ) {
+-		channels = kmalloc(sizeof(rsi_2ghz_channels), GFP_KERNEL);
+-		memcpy(channels,
+-		       rsi_2ghz_channels,
+-		       sizeof(rsi_2ghz_channels));
++		channels = kmemdup(rsi_2ghz_channels, sizeof(rsi_2ghz_channels),
++				   GFP_KERNEL);
++		if (!channels)
++			return -ENOMEM;
+ 		sbands->band = NL80211_BAND_2GHZ;
+ 		sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels);
+ 		sbands->bitrates = rsi_rates;
+ 		sbands->n_bitrates = ARRAY_SIZE(rsi_rates);
+ 	} else {
+-		channels = kmalloc(sizeof(rsi_5ghz_channels), GFP_KERNEL);
+-		memcpy(channels,
+-		       rsi_5ghz_channels,
+-		       sizeof(rsi_5ghz_channels));
++		channels = kmemdup(rsi_5ghz_channels, sizeof(rsi_5ghz_channels),
++				   GFP_KERNEL);
++		if (!channels)
++			return -ENOMEM;
+ 		sbands->band = NL80211_BAND_5GHZ;
+ 		sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels);
+ 		sbands->bitrates = &rsi_rates[4];
+@@ -227,6 +227,7 @@ static void rsi_register_rates_channels(struct rsi_hw *adapter, int band)
+ 	sbands->ht_cap.mcs.rx_mask[0] = 0xff;
+ 	sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
+ 	/* sbands->ht_cap.mcs.rx_highest = 0x82; */
++	return 0;
+ }
+ 
+ /**
+@@ -1985,11 +1986,16 @@ int rsi_mac80211_attach(struct rsi_common *common)
+ 	wiphy->available_antennas_rx = 1;
+ 	wiphy->available_antennas_tx = 1;
+ 
+-	rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ);
++	status = rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ);
++	if (status)
++		return status;
+ 	wiphy->bands[NL80211_BAND_2GHZ] =
+ 		&adapter->sbands[NL80211_BAND_2GHZ];
+ 	if (common->num_supp_bands > 1) {
+-		rsi_register_rates_channels(adapter, NL80211_BAND_5GHZ);
++		status = rsi_register_rates_channels(adapter,
++						     NL80211_BAND_5GHZ);
++		if (status)
++			return status;
+ 		wiphy->bands[NL80211_BAND_5GHZ] =
+ 			&adapter->sbands[NL80211_BAND_5GHZ];
+ 	}
+diff --git a/drivers/net/wireless/st/cw1200/main.c b/drivers/net/wireless/st/cw1200/main.c
+index 90dc979f260b..c1608f0bf6d0 100644
+--- a/drivers/net/wireless/st/cw1200/main.c
++++ b/drivers/net/wireless/st/cw1200/main.c
+@@ -345,6 +345,11 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr,
+ 	mutex_init(&priv->wsm_cmd_mux);
+ 	mutex_init(&priv->conf_mutex);
+ 	priv->workqueue = create_singlethread_workqueue("cw1200_wq");
++	if (!priv->workqueue) {
++		ieee80211_free_hw(hw);
++		return NULL;
++	}
++
+ 	sema_init(&priv->scan.lock, 1);
+ 	INIT_WORK(&priv->scan.work, cw1200_scan_work);
+ 	INIT_DELAYED_WORK(&priv->scan.probe_work, cw1200_probe_work);
+diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
+index cff027fc2676..a7ce2f1761a2 100644
+--- a/drivers/nvdimm/pmem.c
++++ b/drivers/nvdimm/pmem.c
+@@ -281,16 +281,22 @@ static long pmem_dax_direct_access(struct dax_device *dax_dev,
+ 	return __pmem_direct_access(pmem, pgoff, nr_pages, kaddr, pfn);
+ }
+ 
++/*
++ * Use the 'no check' versions of copy_from_iter_flushcache() and
++ * copy_to_iter_mcsafe() to bypass HARDENED_USERCOPY overhead. Bounds
++ * checking, both file offset and device offset, is handled by
++ * dax_iomap_actor()
++ */
+ static size_t pmem_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
+ 		void *addr, size_t bytes, struct iov_iter *i)
+ {
+-	return copy_from_iter_flushcache(addr, bytes, i);
++	return _copy_from_iter_flushcache(addr, bytes, i);
+ }
+ 
+ static size_t pmem_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff,
+ 		void *addr, size_t bytes, struct iov_iter *i)
+ {
+-	return copy_to_iter_mcsafe(addr, bytes, i);
++	return _copy_to_iter_mcsafe(addr, bytes, i);
+ }
+ 
+ static const struct dax_operations pmem_dax_ops = {
+diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
+index 2cdb3032ca0f..abfb46378cc1 100644
+--- a/drivers/nvme/host/core.c
++++ b/drivers/nvme/host/core.c
+@@ -1480,6 +1480,10 @@ static void nvme_update_disk_info(struct gendisk *disk,
+ 	sector_t capacity = le64_to_cpup(&id->nsze) << (ns->lba_shift - 9);
+ 	unsigned short bs = 1 << ns->lba_shift;
+ 
++	if (ns->lba_shift > PAGE_SHIFT) {
++		/* unsupported block size, set capacity to 0 later */
++		bs = (1 << 9);
++	}
+ 	blk_mq_freeze_queue(disk->queue);
+ 	blk_integrity_unregister(disk);
+ 
+@@ -1490,7 +1494,8 @@ static void nvme_update_disk_info(struct gendisk *disk,
+ 	if (ns->ms && !ns->ext &&
+ 	    (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
+ 		nvme_init_integrity(disk, ns->ms, ns->pi_type);
+-	if (ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk))
++	if ((ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) ||
++	    ns->lba_shift > PAGE_SHIFT)
+ 		capacity = 0;
+ 
+ 	set_capacity(disk, capacity);
+diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
+index 0939a4e178fb..e4f167e35353 100644
+--- a/drivers/nvme/host/rdma.c
++++ b/drivers/nvme/host/rdma.c
+@@ -880,8 +880,9 @@ static void nvme_rdma_teardown_admin_queue(struct nvme_rdma_ctrl *ctrl,
+ {
+ 	blk_mq_quiesce_queue(ctrl->ctrl.admin_q);
+ 	nvme_rdma_stop_queue(&ctrl->queues[0]);
+-	blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_cancel_request,
+-			&ctrl->ctrl);
++	if (ctrl->ctrl.admin_tagset)
++		blk_mq_tagset_busy_iter(ctrl->ctrl.admin_tagset,
++			nvme_cancel_request, &ctrl->ctrl);
+ 	blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
+ 	nvme_rdma_destroy_admin_queue(ctrl, remove);
+ }
+@@ -892,8 +893,9 @@ static void nvme_rdma_teardown_io_queues(struct nvme_rdma_ctrl *ctrl,
+ 	if (ctrl->ctrl.queue_count > 1) {
+ 		nvme_stop_queues(&ctrl->ctrl);
+ 		nvme_rdma_stop_io_queues(ctrl);
+-		blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request,
+-				&ctrl->ctrl);
++		if (ctrl->ctrl.tagset)
++			blk_mq_tagset_busy_iter(ctrl->ctrl.tagset,
++				nvme_cancel_request, &ctrl->ctrl);
+ 		if (remove)
+ 			nvme_start_queues(&ctrl->ctrl);
+ 		nvme_rdma_destroy_io_queues(ctrl, remove);
+diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c
+index 1bfeb160c5b1..14a541c453e5 100644
+--- a/drivers/perf/arm-cci.c
++++ b/drivers/perf/arm-cci.c
+@@ -1692,21 +1692,24 @@ static int cci_pmu_probe(struct platform_device *pdev)
+ 	raw_spin_lock_init(&cci_pmu->hw_events.pmu_lock);
+ 	mutex_init(&cci_pmu->reserve_mutex);
+ 	atomic_set(&cci_pmu->active_events, 0);
+-	cci_pmu->cpu = get_cpu();
+-
+-	ret = cci_pmu_init(cci_pmu, pdev);
+-	if (ret) {
+-		put_cpu();
+-		return ret;
+-	}
+ 
++	cci_pmu->cpu = raw_smp_processor_id();
++	g_cci_pmu = cci_pmu;
+ 	cpuhp_setup_state_nocalls(CPUHP_AP_PERF_ARM_CCI_ONLINE,
+ 				  "perf/arm/cci:online", NULL,
+ 				  cci_pmu_offline_cpu);
+-	put_cpu();
+-	g_cci_pmu = cci_pmu;
++
++	ret = cci_pmu_init(cci_pmu, pdev);
++	if (ret)
++		goto error_pmu_init;
++
+ 	pr_info("ARM %s PMU driver probed", cci_pmu->model->name);
+ 	return 0;
++
++error_pmu_init:
++	cpuhp_remove_state(CPUHP_AP_PERF_ARM_CCI_ONLINE);
++	g_cci_pmu = NULL;
++	return ret;
+ }
+ 
+ static int cci_pmu_remove(struct platform_device *pdev)
+diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
+index 15c8fc2abf01..1f8809bab002 100644
+--- a/drivers/phy/allwinner/phy-sun4i-usb.c
++++ b/drivers/phy/allwinner/phy-sun4i-usb.c
+@@ -550,6 +550,7 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work)
+ 	struct sun4i_usb_phy_data *data =
+ 		container_of(work, struct sun4i_usb_phy_data, detect.work);
+ 	struct phy *phy0 = data->phys[0].phy;
++	struct sun4i_usb_phy *phy = phy_get_drvdata(phy0);
+ 	bool force_session_end, id_notify = false, vbus_notify = false;
+ 	int id_det, vbus_det;
+ 
+@@ -606,6 +607,9 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work)
+ 			mutex_unlock(&phy0->mutex);
+ 		}
+ 
++		/* Enable PHY0 passby for host mode only. */
++		sun4i_usb_phy_passby(phy, !id_det);
++
+ 		/* Re-route PHY0 if necessary */
+ 		if (data->cfg->phy0_dual_route)
+ 			sun4i_usb_phy0_reroute(data, id_det);
+diff --git a/drivers/phy/motorola/Kconfig b/drivers/phy/motorola/Kconfig
+index 82651524ffb9..718f8729701d 100644
+--- a/drivers/phy/motorola/Kconfig
++++ b/drivers/phy/motorola/Kconfig
+@@ -13,7 +13,7 @@ config PHY_CPCAP_USB
+ 
+ config PHY_MAPPHONE_MDM6600
+ 	tristate "Motorola Mapphone MDM6600 modem USB PHY driver"
+-	depends on OF && USB_SUPPORT
++	depends on OF && USB_SUPPORT && GPIOLIB
+ 	select GENERIC_PHY
+ 	help
+ 	  Enable this for MDM6600 USB modem to work on Motorola phones
+diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
+index 302190d1558d..0d7d379e9bb8 100644
+--- a/drivers/pinctrl/pinctrl-pistachio.c
++++ b/drivers/pinctrl/pinctrl-pistachio.c
+@@ -1368,6 +1368,7 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
+ 		if (!of_find_property(child, "gpio-controller", NULL)) {
+ 			dev_err(pctl->dev,
+ 				"No gpio-controller property for bank %u\n", i);
++			of_node_put(child);
+ 			ret = -ENODEV;
+ 			goto err;
+ 		}
+@@ -1375,6 +1376,7 @@ static int pistachio_gpio_register(struct pistachio_pinctrl *pctl)
+ 		irq = irq_of_parse_and_map(child, 0);
+ 		if (irq < 0) {
+ 			dev_err(pctl->dev, "No IRQ for bank %u: %d\n", i, irq);
++			of_node_put(child);
+ 			ret = irq;
+ 			goto err;
+ 		}
+diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
+index 44c6b753f692..85ddf49a5188 100644
+--- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
++++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c
+@@ -71,6 +71,7 @@ s5pv210_retention_init(struct samsung_pinctrl_drv_data *drvdata,
+ 	}
+ 
+ 	clk_base = of_iomap(np, 0);
++	of_node_put(np);
+ 	if (!clk_base) {
+ 		pr_err("%s: failed to map clock registers\n", __func__);
+ 		return ERR_PTR(-EINVAL);
+diff --git a/drivers/pinctrl/zte/pinctrl-zx.c b/drivers/pinctrl/zte/pinctrl-zx.c
+index caa44dd2880a..3cb69309912b 100644
+--- a/drivers/pinctrl/zte/pinctrl-zx.c
++++ b/drivers/pinctrl/zte/pinctrl-zx.c
+@@ -411,6 +411,7 @@ int zx_pinctrl_init(struct platform_device *pdev,
+ 	}
+ 
+ 	zpctl->aux_base = of_iomap(np, 0);
++	of_node_put(np);
+ 	if (!zpctl->aux_base)
+ 		return -ENOMEM;
+ 
+diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c
+index 01ffc0ef8033..fbcf13bbbd8d 100644
+--- a/drivers/rtc/rtc-88pm860x.c
++++ b/drivers/rtc/rtc-88pm860x.c
+@@ -414,7 +414,7 @@ static int pm860x_rtc_remove(struct platform_device *pdev)
+ 	struct pm860x_rtc_info *info = platform_get_drvdata(pdev);
+ 
+ #ifdef VRTC_CALIBRATION
+-	flush_scheduled_work();
++	cancel_delayed_work_sync(&info->calib_work);
+ 	/* disable measurement */
+ 	pm860x_set_bits(info->i2c, PM8607_MEAS_EN2, MEAS2_VRTC, 0);
+ #endif	/* VRTC_CALIBRATION */
+diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
+index c5908cfea234..8e6c9b3bcc29 100644
+--- a/drivers/rtc/rtc-stm32.c
++++ b/drivers/rtc/rtc-stm32.c
+@@ -788,11 +788,14 @@ static int stm32_rtc_probe(struct platform_device *pdev)
+ 	ret = device_init_wakeup(&pdev->dev, true);
+ 	if (rtc->data->has_wakeirq) {
+ 		rtc->wakeirq_alarm = platform_get_irq(pdev, 1);
+-		if (rtc->wakeirq_alarm <= 0)
+-			ret = rtc->wakeirq_alarm;
+-		else
++		if (rtc->wakeirq_alarm > 0) {
+ 			ret = dev_pm_set_dedicated_wake_irq(&pdev->dev,
+ 							    rtc->wakeirq_alarm);
++		} else {
++			ret = rtc->wakeirq_alarm;
++			if (rtc->wakeirq_alarm == -EPROBE_DEFER)
++				goto err;
++		}
+ 	}
+ 	if (ret)
+ 		dev_warn(&pdev->dev, "alarm can't wake up the system: %d", ret);
+diff --git a/drivers/rtc/rtc-xgene.c b/drivers/rtc/rtc-xgene.c
+index 153820876a82..2f741f455c30 100644
+--- a/drivers/rtc/rtc-xgene.c
++++ b/drivers/rtc/rtc-xgene.c
+@@ -168,6 +168,10 @@ static int xgene_rtc_probe(struct platform_device *pdev)
+ 	if (IS_ERR(pdata->csr_base))
+ 		return PTR_ERR(pdata->csr_base);
+ 
++	pdata->rtc = devm_rtc_allocate_device(&pdev->dev);
++	if (IS_ERR(pdata->rtc))
++		return PTR_ERR(pdata->rtc);
++
+ 	irq = platform_get_irq(pdev, 0);
+ 	if (irq < 0) {
+ 		dev_err(&pdev->dev, "No IRQ resource\n");
+@@ -198,15 +202,15 @@ static int xgene_rtc_probe(struct platform_device *pdev)
+ 		return ret;
+ 	}
+ 
+-	pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
+-					 &xgene_rtc_ops, THIS_MODULE);
+-	if (IS_ERR(pdata->rtc)) {
+-		clk_disable_unprepare(pdata->clk);
+-		return PTR_ERR(pdata->rtc);
+-	}
+-
+ 	/* HW does not support update faster than 1 seconds */
+ 	pdata->rtc->uie_unsupported = 1;
++	pdata->rtc->ops = &xgene_rtc_ops;
++
++	ret = rtc_register_device(pdata->rtc);
++	if (ret) {
++		clk_disable_unprepare(pdata->clk);
++		return ret;
++	}
+ 
+ 	return 0;
+ }
+diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
+index 9811fd8a0c73..92eabbb5f18d 100644
+--- a/drivers/s390/cio/cio.h
++++ b/drivers/s390/cio/cio.h
+@@ -115,7 +115,7 @@ struct subchannel {
+ 	struct schib_config config;
+ } __attribute__ ((aligned(8)));
+ 
+-DECLARE_PER_CPU(struct irb, cio_irb);
++DECLARE_PER_CPU_ALIGNED(struct irb, cio_irb);
+ 
+ #define to_subchannel(n) container_of(n, struct subchannel, dev)
+ 
+diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
+index fabd9798e4c4..7a06cdff6572 100644
+--- a/drivers/s390/cio/vfio_ccw_drv.c
++++ b/drivers/s390/cio/vfio_ccw_drv.c
+@@ -40,26 +40,30 @@ int vfio_ccw_sch_quiesce(struct subchannel *sch)
+ 	if (ret != -EBUSY)
+ 		goto out_unlock;
+ 
++	iretry = 255;
+ 	do {
+-		iretry = 255;
+ 
+ 		ret = cio_cancel_halt_clear(sch, &iretry);
+-		while (ret == -EBUSY) {
+-			/*
+-			 * Flush all I/O and wait for
+-			 * cancel/halt/clear completion.
+-			 */
+-			private->completion = &completion;
+-			spin_unlock_irq(sch->lock);
+ 
+-			wait_for_completion_timeout(&completion, 3*HZ);
++		if (ret == -EIO) {
++			pr_err("vfio_ccw: could not quiesce subchannel 0.%x.%04x!\n",
++			       sch->schid.ssid, sch->schid.sch_no);
++			break;
++		}
++
++		/*
++		 * Flush all I/O and wait for
++		 * cancel/halt/clear completion.
++		 */
++		private->completion = &completion;
++		spin_unlock_irq(sch->lock);
+ 
+-			spin_lock_irq(sch->lock);
+-			private->completion = NULL;
+-			flush_workqueue(vfio_ccw_work_q);
+-			ret = cio_cancel_halt_clear(sch, &iretry);
+-		};
++		if (ret == -EBUSY)
++			wait_for_completion_timeout(&completion, 3*HZ);
+ 
++		private->completion = NULL;
++		flush_workqueue(vfio_ccw_work_q);
++		spin_lock_irq(sch->lock);
+ 		ret = cio_disable_subchannel(sch);
+ 	} while (ret == -EBUSY);
+ out_unlock:
+diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c
+index f673e106c041..dc5ff47de3fe 100644
+--- a/drivers/s390/cio/vfio_ccw_ops.c
++++ b/drivers/s390/cio/vfio_ccw_ops.c
+@@ -130,11 +130,12 @@ static int vfio_ccw_mdev_remove(struct mdev_device *mdev)
+ 
+ 	if ((private->state != VFIO_CCW_STATE_NOT_OPER) &&
+ 	    (private->state != VFIO_CCW_STATE_STANDBY)) {
+-		if (!vfio_ccw_mdev_reset(mdev))
++		if (!vfio_ccw_sch_quiesce(private->sch))
+ 			private->state = VFIO_CCW_STATE_STANDBY;
+ 		/* The state will be NOT_OPER on error. */
+ 	}
+ 
++	cp_free(&private->cp);
+ 	private->mdev = NULL;
+ 	atomic_inc(&private->avail);
+ 
+@@ -158,6 +159,14 @@ static void vfio_ccw_mdev_release(struct mdev_device *mdev)
+ 	struct vfio_ccw_private *private =
+ 		dev_get_drvdata(mdev_parent_dev(mdev));
+ 
++	if ((private->state != VFIO_CCW_STATE_NOT_OPER) &&
++	    (private->state != VFIO_CCW_STATE_STANDBY)) {
++		if (!vfio_ccw_mdev_reset(mdev))
++			private->state = VFIO_CCW_STATE_STANDBY;
++		/* The state will be NOT_OPER on error. */
++	}
++
++	cp_free(&private->cp);
+ 	vfio_unregister_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY,
+ 				 &private->nb);
+ }
+diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
+index e6854127b434..b2737bfeb8bb 100644
+--- a/drivers/s390/crypto/zcrypt_api.c
++++ b/drivers/s390/crypto/zcrypt_api.c
+@@ -224,6 +224,7 @@ static long zcrypt_rsa_modexpo(struct ica_rsa_modexpo *mex)
+ 	trace_s390_zcrypt_req(mex, TP_ICARSAMODEXPO);
+ 
+ 	if (mex->outputdatalength < mex->inputdatalength) {
++		func_code = 0;
+ 		rc = -EINVAL;
+ 		goto out;
+ 	}
+@@ -298,6 +299,7 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
+ 	trace_s390_zcrypt_req(crt, TP_ICARSACRT);
+ 
+ 	if (crt->outputdatalength < crt->inputdatalength) {
++		func_code = 0;
+ 		rc = -EINVAL;
+ 		goto out;
+ 	}
+@@ -483,6 +485,7 @@ static long zcrypt_send_ep11_cprb(struct ep11_urb *xcrb)
+ 
+ 		targets = kcalloc(target_num, sizeof(*targets), GFP_KERNEL);
+ 		if (!targets) {
++			func_code = 0;
+ 			rc = -ENOMEM;
+ 			goto out;
+ 		}
+@@ -490,6 +493,7 @@ static long zcrypt_send_ep11_cprb(struct ep11_urb *xcrb)
+ 		uptr = (struct ep11_target_dev __force __user *) xcrb->targets;
+ 		if (copy_from_user(targets, uptr,
+ 				   target_num * sizeof(*targets))) {
++			func_code = 0;
+ 			rc = -EFAULT;
+ 			goto out_free;
+ 		}
+diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
+index 2d1f6a583641..b2657582cfcf 100644
+--- a/drivers/s390/net/qeth_core.h
++++ b/drivers/s390/net/qeth_core.h
+@@ -201,6 +201,12 @@ struct qeth_vnicc_info {
+ 	bool rx_bcast_enabled;
+ };
+ 
++static inline int qeth_is_adp_supported(struct qeth_ipa_info *ipa,
++		enum qeth_ipa_setadp_cmd func)
++{
++	return (ipa->supported_funcs & func);
++}
++
+ static inline int qeth_is_ipa_supported(struct qeth_ipa_info *ipa,
+ 		enum qeth_ipa_funcs func)
+ {
+@@ -214,9 +220,7 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
+ }
+ 
+ #define qeth_adp_supported(c, f) \
+-	qeth_is_ipa_supported(&c->options.adp, f)
+-#define qeth_adp_enabled(c, f) \
+-	qeth_is_ipa_enabled(&c->options.adp, f)
++	qeth_is_adp_supported(&c->options.adp, f)
+ #define qeth_is_supported(c, f) \
+ 	qeth_is_ipa_supported(&c->options.ipa4, f)
+ #define qeth_is_enabled(c, f) \
+diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
+index 56aacf32f71b..461afc276db7 100644
+--- a/drivers/s390/net/qeth_core_main.c
++++ b/drivers/s390/net/qeth_core_main.c
+@@ -1370,7 +1370,7 @@ static void qeth_set_multiple_write_queues(struct qeth_card *card)
+ 	card->qdio.no_out_queues = 4;
+ }
+ 
+-static void qeth_update_from_chp_desc(struct qeth_card *card)
++static int qeth_update_from_chp_desc(struct qeth_card *card)
+ {
+ 	struct ccw_device *ccwdev;
+ 	struct channel_path_desc_fmt0 *chp_dsc;
+@@ -1380,7 +1380,7 @@ static void qeth_update_from_chp_desc(struct qeth_card *card)
+ 	ccwdev = card->data.ccwdev;
+ 	chp_dsc = ccw_device_get_chp_desc(ccwdev, 0);
+ 	if (!chp_dsc)
+-		goto out;
++		return -ENOMEM;
+ 
+ 	card->info.func_level = 0x4100 + chp_dsc->desc;
+ 	if (card->info.type == QETH_CARD_TYPE_IQD)
+@@ -1395,6 +1395,7 @@ out:
+ 	kfree(chp_dsc);
+ 	QETH_DBF_TEXT_(SETUP, 2, "nr:%x", card->qdio.no_out_queues);
+ 	QETH_DBF_TEXT_(SETUP, 2, "lvl:%02x", card->info.func_level);
++	return 0;
+ }
+ 
+ static void qeth_init_qdio_info(struct qeth_card *card)
+@@ -5090,7 +5091,9 @@ int qeth_core_hardsetup_card(struct qeth_card *card)
+ 
+ 	QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
+ 	atomic_set(&card->force_alloc_skb, 0);
+-	qeth_update_from_chp_desc(card);
++	rc = qeth_update_from_chp_desc(card);
++	if (rc)
++		return rc;
+ retry:
+ 	if (retries < 3)
+ 		QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
+@@ -5768,7 +5771,9 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev)
+ 	gdev->cdev[2]->handler = qeth_irq;
+ 
+ 	qeth_setup_card(card);
+-	qeth_update_from_chp_desc(card);
++	rc = qeth_update_from_chp_desc(card);
++	if (rc)
++		goto err_chp_desc;
+ 
+ 	card->dev = qeth_alloc_netdev(card);
+ 	if (!card->dev) {
+@@ -5806,6 +5811,7 @@ err_disc:
+ 	qeth_core_free_discipline(card);
+ err_load:
+ 	free_netdev(card->dev);
++err_chp_desc:
+ err_card:
+ 	qeth_core_free_card(card);
+ err_dev:
+diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
+index e9ecc667e3fb..231eb79efa32 100644
+--- a/drivers/scsi/libsas/sas_expander.c
++++ b/drivers/scsi/libsas/sas_expander.c
+@@ -2040,6 +2040,11 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last)
+ 	if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) {
+ 		phy->phy_state = PHY_EMPTY;
+ 		sas_unregister_devs_sas_addr(dev, phy_id, last);
++		/*
++		 * Even though the PHY is empty, for convenience we discover
++		 * the PHY to update the PHY info, like negotiated linkrate.
++		 */
++		sas_ex_phy_discover(dev, phy_id);
+ 		return res;
+ 	} else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) &&
+ 		   dev_type_flutter(type, phy->attached_dev_type)) {
+diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
+index 1a964e71582f..d909d90035bb 100644
+--- a/drivers/scsi/lpfc/lpfc_ct.c
++++ b/drivers/scsi/lpfc/lpfc_ct.c
+@@ -1762,6 +1762,9 @@ lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
+ 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ 	memset(ae, 0, 256);
+ 
++	/* This string MUST be consistent with other FC platforms
++	 * supported by Broadcom.
++	 */
+ 	strncpy(ae->un.AttrString,
+ 		"Emulex Corporation",
+ 		       sizeof(ae->un.AttrString));
+@@ -2117,10 +2120,11 @@ lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
+ 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ 	memset(ae, 0, 32);
+ 
+-	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
+-	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
+-	ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */
+-	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
++	ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */
++	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
++	if (vport->nvmei_support || vport->phba->nvmet_support)
++		ae->un.AttrTypes[6] = 0x01; /* Type 0x28 - NVME */
++	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
+ 	size = FOURBYTES + 32;
+ 	ad->AttrLen = cpu_to_be16(size);
+ 	ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
+@@ -2425,9 +2429,11 @@ lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
+ 	ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ 	memset(ae, 0, 32);
+ 
+-	ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */
+-	ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */
+-	ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */
++	ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */
++	ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
++	if (vport->phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)
++		ae->un.AttrTypes[6] = 0x1; /* Type 0x28 - NVME */
++	ae->un.AttrTypes[7] = 0x01; /* Type 0x20 - CT */
+ 	size = FOURBYTES + 32;
+ 	ad->AttrLen = cpu_to_be16(size);
+ 	ad->AttrType = cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
+diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
+index eb71877f12f8..ccdd82b1123f 100644
+--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
++++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
+@@ -921,7 +921,11 @@ lpfc_linkdown(struct lpfc_hba *phba)
+ 		}
+ 	}
+ 	lpfc_destroy_vport_work_array(phba, vports);
+-	/* Clean up any firmware default rpi's */
++
++	/* Clean up any SLI3 firmware default rpi's */
++	if (phba->sli_rev > LPFC_SLI_REV3)
++		goto skip_unreg_did;
++
+ 	mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ 	if (mb) {
+ 		lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb);
+@@ -933,6 +937,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
+ 		}
+ 	}
+ 
++ skip_unreg_did:
+ 	/* Setup myDID for link up if we are in pt2pt mode */
+ 	if (phba->pport->fc_flag & FC_PT2PT) {
+ 		mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+@@ -4855,6 +4860,10 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport)
+ 	LPFC_MBOXQ_t     *mbox;
+ 	int rc;
+ 
++	/* Unreg DID is an SLI3 operation. */
++	if (phba->sli_rev > LPFC_SLI_REV3)
++		return;
++
+ 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ 	if (mbox) {
+ 		lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS,
+diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
+index ca62117a2d13..099f70798fdd 100644
+--- a/drivers/scsi/lpfc/lpfc_nvme.c
++++ b/drivers/scsi/lpfc/lpfc_nvme.c
+@@ -2482,15 +2482,15 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport)
+ 	if (!cstat)
+ 		return -ENOMEM;
+ 
++	if (!IS_ENABLED(CONFIG_NVME_FC))
++		return ret;
++
+ 	/* localport is allocated from the stack, but the registration
+ 	 * call allocates heap memory as well as the private area.
+ 	 */
+-#if (IS_ENABLED(CONFIG_NVME_FC))
++
+ 	ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template,
+ 					 &vport->phba->pcidev->dev, &localport);
+-#else
+-	ret = -ENOMEM;
+-#endif
+ 	if (!ret) {
+ 		lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC,
+ 				 "6005 Successfully registered local "
+diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c
+index 6bbc38b1b465..a17c13846d1e 100644
+--- a/drivers/scsi/qedf/qedf_io.c
++++ b/drivers/scsi/qedf/qedf_io.c
+@@ -902,6 +902,7 @@ int qedf_post_io_req(struct qedf_rport *fcport, struct qedf_ioreq *io_req)
+ 	if (!test_bit(QEDF_RPORT_SESSION_READY, &fcport->flags)) {
+ 		QEDF_ERR(&(qedf->dbg_ctx), "Session not offloaded yet.\n");
+ 		kref_put(&io_req->refcount, qedf_release_cmd);
++		return -EINVAL;
+ 	}
+ 
+ 	/* Obtain free SQE */
+diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
+index d4821b9dea45..4130b9117055 100644
+--- a/drivers/scsi/qedi/qedi_iscsi.c
++++ b/drivers/scsi/qedi/qedi_iscsi.c
+@@ -1001,6 +1001,9 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
+ 	qedi_ep = ep->dd_data;
+ 	qedi = qedi_ep->qedi;
+ 
++	if (qedi_ep->state == EP_STATE_OFLDCONN_START)
++		goto ep_exit_recover;
++
+ 	flush_work(&qedi_ep->offload_work);
+ 
+ 	if (qedi_ep->conn) {
+diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
+index 36cbb29c84f6..88d8acf86a2a 100644
+--- a/drivers/scsi/qla2xxx/qla_isr.c
++++ b/drivers/scsi/qla2xxx/qla_isr.c
+@@ -3449,7 +3449,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
+ 		ql_log(ql_log_fatal, vha, 0x00c8,
+ 		    "Failed to allocate memory for ha->msix_entries.\n");
+ 		ret = -ENOMEM;
+-		goto msix_out;
++		goto free_irqs;
+ 	}
+ 	ha->flags.msix_enabled = 1;
+ 
+@@ -3532,6 +3532,10 @@ msix_register_fail:
+ 
+ msix_out:
+ 	return ret;
++
++free_irqs:
++	pci_free_irq_vectors(ha->pdev);
++	goto msix_out;
+ }
+ 
+ int
+diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
+index a8c67cd17625..9d7feb005acf 100644
+--- a/drivers/scsi/qla2xxx/qla_target.c
++++ b/drivers/scsi/qla2xxx/qla_target.c
+@@ -684,7 +684,6 @@ done:
+ void qla24xx_do_nack_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
+ {
+ 	fc_port_t *t;
+-	unsigned long flags;
+ 
+ 	switch (e->u.nack.type) {
+ 	case SRB_NACK_PRLI:
+@@ -694,10 +693,8 @@ void qla24xx_do_nack_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
+ 		if (t) {
+ 			ql_log(ql_log_info, vha, 0xd034,
+ 			    "%s create sess success %p", __func__, t);
+-			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ 			/* create sess has an extra kref */
+ 			vha->hw->tgt.tgt_ops->put_sess(e->u.nack.fcport);
+-			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
+ 		}
+ 		break;
+ 	}
+@@ -709,9 +706,6 @@ void qla24xx_delete_sess_fn(struct work_struct *work)
+ {
+ 	fc_port_t *fcport = container_of(work, struct fc_port, del_work);
+ 	struct qla_hw_data *ha = fcport->vha->hw;
+-	unsigned long flags;
+-
+-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ 
+ 	if (fcport->se_sess) {
+ 		ha->tgt.tgt_ops->shutdown_sess(fcport);
+@@ -719,7 +713,6 @@ void qla24xx_delete_sess_fn(struct work_struct *work)
+ 	} else {
+ 		qlt_unreg_sess(fcport);
+ 	}
+-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ }
+ 
+ /*
+@@ -788,8 +781,9 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
+ 		    fcport->port_name, sess->loop_id);
+ 		sess->local = 0;
+ 	}
+-	ha->tgt.tgt_ops->put_sess(sess);
+ 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
++
++	ha->tgt.tgt_ops->put_sess(sess);
+ }
+ 
+ /*
+@@ -4135,9 +4129,7 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd)
+ 	/*
+ 	 * Drop extra session reference from qla_tgt_handle_cmd_for_atio*(
+ 	 */
+-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ 	ha->tgt.tgt_ops->put_sess(sess);
+-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ 	return;
+ 
+ out_term:
+@@ -4154,9 +4146,7 @@ out_term:
+ 	target_free_tag(sess->se_sess, &cmd->se_cmd);
+ 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
+ 
+-	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ 	ha->tgt.tgt_ops->put_sess(sess);
+-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ }
+ 
+ static void qlt_do_work(struct work_struct *work)
+@@ -4365,9 +4355,7 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
+ 	if (!cmd) {
+ 		ql_dbg(ql_dbg_io, vha, 0x3062,
+ 		    "qla_target(%d): Allocation of cmd failed\n", vha->vp_idx);
+-		spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ 		ha->tgt.tgt_ops->put_sess(sess);
+-		spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ 		return -EBUSY;
+ 	}
+ 
+@@ -6105,17 +6093,19 @@ static void qlt_abort_work(struct qla_tgt *tgt,
+ 	}
+ 
+ 	rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess);
+-	ha->tgt.tgt_ops->put_sess(sess);
+ 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
+ 
++	ha->tgt.tgt_ops->put_sess(sess);
++
+ 	if (rc != 0)
+ 		goto out_term;
+ 	return;
+ 
+ out_term2:
++	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
++
+ 	if (sess)
+ 		ha->tgt.tgt_ops->put_sess(sess);
+-	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);
+ 
+ out_term:
+ 	spin_lock_irqsave(&ha->hardware_lock, flags);
+@@ -6175,9 +6165,10 @@ static void qlt_tmr_work(struct qla_tgt *tgt,
+ 	    scsilun_to_int((struct scsi_lun *)&a->u.isp24.fcp_cmnd.lun);
+ 
+ 	rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
+-	ha->tgt.tgt_ops->put_sess(sess);
+ 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ 
++	ha->tgt.tgt_ops->put_sess(sess);
++
+ 	if (rc != 0)
+ 		goto out_term;
+ 	return;
+diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+index 64e2d859f633..b8c1a739dfbd 100644
+--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
++++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+@@ -350,7 +350,6 @@ static void tcm_qla2xxx_put_sess(struct fc_port *sess)
+ 	if (!sess)
+ 		return;
+ 
+-	assert_spin_locked(&sess->vha->hw->tgt.sess_lock);
+ 	kref_put(&sess->sess_kref, tcm_qla2xxx_release_session);
+ }
+ 
+@@ -365,8 +364,9 @@ static void tcm_qla2xxx_close_session(struct se_session *se_sess)
+ 
+ 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
+ 	target_sess_cmd_list_set_waiting(se_sess);
+-	tcm_qla2xxx_put_sess(sess);
+ 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
++
++	tcm_qla2xxx_put_sess(sess);
+ }
+ 
+ static u32 tcm_qla2xxx_sess_get_index(struct se_session *se_sess)
+@@ -390,6 +390,8 @@ static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd)
+ 			cmd->se_cmd.transport_state,
+ 			cmd->se_cmd.t_state,
+ 			cmd->se_cmd.se_cmd_flags);
++		transport_generic_request_failure(&cmd->se_cmd,
++			TCM_CHECK_CONDITION_ABORT_CMD);
+ 		return 0;
+ 	}
+ 	cmd->trc_flags |= TRC_XFR_RDY;
+@@ -829,7 +831,6 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct fc_port *sess)
+ 
+ static void tcm_qla2xxx_shutdown_sess(struct fc_port *sess)
+ {
+-	assert_spin_locked(&sess->vha->hw->tgt.sess_lock);
+ 	target_sess_cmd_list_set_waiting(sess->se_sess);
+ }
+ 
+diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
+index 5dd3e4e01b10..25c8ce54a976 100644
+--- a/drivers/scsi/qla4xxx/ql4_os.c
++++ b/drivers/scsi/qla4xxx/ql4_os.c
+@@ -5935,7 +5935,7 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
+ 		val = rd_nvram_byte(ha, sec_addr);
+ 		if (val & BIT_7)
+ 			ddb_index[1] = (val & 0x7f);
+-
++		goto exit_boot_info;
+ 	} else if (is_qla80XX(ha)) {
+ 		buf = dma_alloc_coherent(&ha->pdev->dev, size,
+ 					 &buf_dma, GFP_KERNEL);
+diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
+index e925eda93191..77cb45ef55fc 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -2605,7 +2605,6 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
+ 	int res;
+ 	struct scsi_device *sdp = sdkp->device;
+ 	struct scsi_mode_data data;
+-	int disk_ro = get_disk_ro(sdkp->disk);
+ 	int old_wp = sdkp->write_prot;
+ 
+ 	set_disk_ro(sdkp->disk, 0);
+@@ -2646,7 +2645,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer)
+ 			  "Test WP failed, assume Write Enabled\n");
+ 	} else {
+ 		sdkp->write_prot = ((data.device_specific & 0x80) != 0);
+-		set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro);
++		set_disk_ro(sdkp->disk, sdkp->write_prot);
+ 		if (sdkp->first_scan || old_wp != sdkp->write_prot) {
+ 			sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n",
+ 				  sdkp->write_prot ? "on" : "off");
+diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c
+index 452e19f8fb47..c2cee73a8560 100644
+--- a/drivers/scsi/ufs/ufs-hisi.c
++++ b/drivers/scsi/ufs/ufs-hisi.c
+@@ -544,6 +544,10 @@ static int ufs_hisi_init_common(struct ufs_hba *hba)
+ 	ufshcd_set_variant(hba, host);
+ 
+ 	host->rst  = devm_reset_control_get(dev, "rst");
++	if (IS_ERR(host->rst)) {
++		dev_err(dev, "%s: failed to get reset control\n", __func__);
++		return PTR_ERR(host->rst);
++	}
+ 
+ 	ufs_hisi_set_pm_lvl(hba);
+ 
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
+index 6e80dfe4fa97..3183fa8c5857 100644
+--- a/drivers/scsi/ufs/ufshcd.c
++++ b/drivers/scsi/ufs/ufshcd.c
+@@ -6130,19 +6130,19 @@ static u32 ufshcd_find_max_sup_active_icc_level(struct ufs_hba *hba,
+ 		goto out;
+ 	}
+ 
+-	if (hba->vreg_info.vcc)
++	if (hba->vreg_info.vcc && hba->vreg_info.vcc->max_uA)
+ 		icc_level = ufshcd_get_max_icc_level(
+ 				hba->vreg_info.vcc->max_uA,
+ 				POWER_DESC_MAX_ACTV_ICC_LVLS - 1,
+ 				&desc_buf[PWR_DESC_ACTIVE_LVLS_VCC_0]);
+ 
+-	if (hba->vreg_info.vccq)
++	if (hba->vreg_info.vccq && hba->vreg_info.vccq->max_uA)
+ 		icc_level = ufshcd_get_max_icc_level(
+ 				hba->vreg_info.vccq->max_uA,
+ 				icc_level,
+ 				&desc_buf[PWR_DESC_ACTIVE_LVLS_VCCQ_0]);
+ 
+-	if (hba->vreg_info.vccq2)
++	if (hba->vreg_info.vccq2 && hba->vreg_info.vccq2->max_uA)
+ 		icc_level = ufshcd_get_max_icc_level(
+ 				hba->vreg_info.vccq2->max_uA,
+ 				icc_level,
+@@ -6767,6 +6767,15 @@ static int ufshcd_config_vreg_load(struct device *dev, struct ufs_vreg *vreg,
+ 	if (!vreg)
+ 		return 0;
+ 
++	/*
++	 * "set_load" operation shall be required on those regulators
++	 * which specifically configured current limitation. Otherwise
++	 * zero max_uA may cause unexpected behavior when regulator is
++	 * enabled or set as high power mode.
++	 */
++	if (!vreg->max_uA)
++		return 0;
++
+ 	ret = regulator_set_load(vreg->reg, ua);
+ 	if (ret < 0) {
+ 		dev_err(dev, "%s: %s set load (ua=%d) failed, err=%d\n",
+@@ -6813,12 +6822,15 @@ static int ufshcd_config_vreg(struct device *dev,
+ 	name = vreg->name;
+ 
+ 	if (regulator_count_voltages(reg) > 0) {
+-		min_uV = on ? vreg->min_uV : 0;
+-		ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
+-		if (ret) {
+-			dev_err(dev, "%s: %s set voltage failed, err=%d\n",
++		if (vreg->min_uV && vreg->max_uV) {
++			min_uV = on ? vreg->min_uV : 0;
++			ret = regulator_set_voltage(reg, min_uV, vreg->max_uV);
++			if (ret) {
++				dev_err(dev,
++					"%s: %s set voltage failed, err=%d\n",
+ 					__func__, name, ret);
+-			goto out;
++				goto out;
++			}
+ 		}
+ 
+ 		uA_load = on ? vreg->max_uA : 0;
+diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
+index 14a9d18306cb..f63d1b8a0933 100644
+--- a/drivers/slimbus/qcom-ngd-ctrl.c
++++ b/drivers/slimbus/qcom-ngd-ctrl.c
+@@ -1331,6 +1331,10 @@ static int of_qcom_slim_ngd_register(struct device *parent,
+ 			return -ENOMEM;
+ 
+ 		ngd->pdev = platform_device_alloc(QCOM_SLIM_NGD_DRV_NAME, id);
++		if (!ngd->pdev) {
++			kfree(ngd);
++			return -ENOMEM;
++		}
+ 		ngd->id = id;
+ 		ngd->pdev->dev.parent = parent;
+ 		ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME;
+diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
+index 08dd3a31a3e5..5b6f3655c366 100644
+--- a/drivers/spi/spi-imx.c
++++ b/drivers/spi/spi-imx.c
+@@ -1427,7 +1427,7 @@ static int spi_imx_transfer(struct spi_device *spi,
+ 
+ 	/* flush rxfifo before transfer */
+ 	while (spi_imx->devtype_data->rx_available(spi_imx))
+-		spi_imx->rx(spi_imx);
++		readl(spi_imx->base + MXC_CSPIRXDATA);
+ 
+ 	if (spi_imx->slave_mode)
+ 		return spi_imx_pio_transfer_slave(spi, transfer);
+diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
+index b624f6fb04ce..729be74621e3 100644
+--- a/drivers/spi/spi-pxa2xx.c
++++ b/drivers/spi/spi-pxa2xx.c
+@@ -876,10 +876,14 @@ static unsigned int ssp_get_clk_div(struct driver_data *drv_data, int rate)
+ 
+ 	rate = min_t(int, ssp_clk, rate);
+ 
++	/*
++	 * Calculate the divisor for the SCR (Serial Clock Rate), avoiding
++	 * that the SSP transmission rate can be greater than the device rate
++	 */
+ 	if (ssp->type == PXA25x_SSP || ssp->type == CE4100_SSP)
+-		return (ssp_clk / (2 * rate) - 1) & 0xff;
++		return (DIV_ROUND_UP(ssp_clk, 2 * rate) - 1) & 0xff;
+ 	else
+-		return (ssp_clk / rate - 1) & 0xfff;
++		return (DIV_ROUND_UP(ssp_clk, rate) - 1)  & 0xfff;
+ }
+ 
+ static unsigned int pxa2xx_ssp_get_clk_div(struct driver_data *drv_data,
+diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
+index b37de1d991d6..d61120822f02 100644
+--- a/drivers/spi/spi-rspi.c
++++ b/drivers/spi/spi-rspi.c
+@@ -279,7 +279,8 @@ static int rspi_set_config_register(struct rspi_data *rspi, int access_size)
+ 	/* Sets parity, interrupt mask */
+ 	rspi_write8(rspi, 0x00, RSPI_SPCR2);
+ 
+-	/* Sets SPCMD */
++	/* Resets sequencer */
++	rspi_write8(rspi, 0, RSPI_SPSCR);
+ 	rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size);
+ 	rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0);
+ 
+@@ -323,7 +324,8 @@ static int rspi_rz_set_config_register(struct rspi_data *rspi, int access_size)
+ 	rspi_write8(rspi, 0x00, RSPI_SSLND);
+ 	rspi_write8(rspi, 0x00, RSPI_SPND);
+ 
+-	/* Sets SPCMD */
++	/* Resets sequencer */
++	rspi_write8(rspi, 0, RSPI_SPSCR);
+ 	rspi->spcmd |= SPCMD_SPB_8_TO_16(access_size);
+ 	rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0);
+ 
+@@ -374,7 +376,8 @@ static int qspi_set_config_register(struct rspi_data *rspi, int access_size)
+ 	/* Sets buffer to allow normal operation */
+ 	rspi_write8(rspi, 0x00, QSPI_SPBFCR);
+ 
+-	/* Sets SPCMD */
++	/* Resets sequencer */
++	rspi_write8(rspi, 0, RSPI_SPSCR);
+ 	rspi_write16(rspi, rspi->spcmd, RSPI_SPCMD0);
+ 
+ 	/* Sets RSPI mode */
+diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
+index a76acedd7e2f..a1888dc6a938 100644
+--- a/drivers/spi/spi-tegra114.c
++++ b/drivers/spi/spi-tegra114.c
+@@ -1067,27 +1067,19 @@ static int tegra_spi_probe(struct platform_device *pdev)
+ 
+ 	spi_irq = platform_get_irq(pdev, 0);
+ 	tspi->irq = spi_irq;
+-	ret = request_threaded_irq(tspi->irq, tegra_spi_isr,
+-			tegra_spi_isr_thread, IRQF_ONESHOT,
+-			dev_name(&pdev->dev), tspi);
+-	if (ret < 0) {
+-		dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n",
+-					tspi->irq);
+-		goto exit_free_master;
+-	}
+ 
+ 	tspi->clk = devm_clk_get(&pdev->dev, "spi");
+ 	if (IS_ERR(tspi->clk)) {
+ 		dev_err(&pdev->dev, "can not get clock\n");
+ 		ret = PTR_ERR(tspi->clk);
+-		goto exit_free_irq;
++		goto exit_free_master;
+ 	}
+ 
+ 	tspi->rst = devm_reset_control_get_exclusive(&pdev->dev, "spi");
+ 	if (IS_ERR(tspi->rst)) {
+ 		dev_err(&pdev->dev, "can not get reset\n");
+ 		ret = PTR_ERR(tspi->rst);
+-		goto exit_free_irq;
++		goto exit_free_master;
+ 	}
+ 
+ 	tspi->max_buf_size = SPI_FIFO_DEPTH << 2;
+@@ -1095,7 +1087,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
+ 
+ 	ret = tegra_spi_init_dma_param(tspi, true);
+ 	if (ret < 0)
+-		goto exit_free_irq;
++		goto exit_free_master;
+ 	ret = tegra_spi_init_dma_param(tspi, false);
+ 	if (ret < 0)
+ 		goto exit_rx_dma_free;
+@@ -1117,18 +1109,32 @@ static int tegra_spi_probe(struct platform_device *pdev)
+ 		dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
+ 		goto exit_pm_disable;
+ 	}
++
++	reset_control_assert(tspi->rst);
++	udelay(2);
++	reset_control_deassert(tspi->rst);
+ 	tspi->def_command1_reg  = SPI_M_S;
+ 	tegra_spi_writel(tspi, tspi->def_command1_reg, SPI_COMMAND1);
+ 	pm_runtime_put(&pdev->dev);
++	ret = request_threaded_irq(tspi->irq, tegra_spi_isr,
++				   tegra_spi_isr_thread, IRQF_ONESHOT,
++				   dev_name(&pdev->dev), tspi);
++	if (ret < 0) {
++		dev_err(&pdev->dev, "Failed to register ISR for IRQ %d\n",
++			tspi->irq);
++		goto exit_pm_disable;
++	}
+ 
+ 	master->dev.of_node = pdev->dev.of_node;
+ 	ret = devm_spi_register_master(&pdev->dev, master);
+ 	if (ret < 0) {
+ 		dev_err(&pdev->dev, "can not register to master err %d\n", ret);
+-		goto exit_pm_disable;
++		goto exit_free_irq;
+ 	}
+ 	return ret;
+ 
++exit_free_irq:
++	free_irq(spi_irq, tspi);
+ exit_pm_disable:
+ 	pm_runtime_disable(&pdev->dev);
+ 	if (!pm_runtime_status_suspended(&pdev->dev))
+@@ -1136,8 +1142,6 @@ exit_pm_disable:
+ 	tegra_spi_deinit_dma_param(tspi, false);
+ exit_rx_dma_free:
+ 	tegra_spi_deinit_dma_param(tspi, true);
+-exit_free_irq:
+-	free_irq(spi_irq, tspi);
+ exit_free_master:
+ 	spi_master_put(master);
+ 	return ret;
+diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
+index 97d137591b18..4389ab80c23e 100644
+--- a/drivers/spi/spi-topcliff-pch.c
++++ b/drivers/spi/spi-topcliff-pch.c
+@@ -1294,18 +1294,27 @@ static void pch_free_dma_buf(struct pch_spi_board_data *board_dat,
+ 				  dma->rx_buf_virt, dma->rx_buf_dma);
+ }
+ 
+-static void pch_alloc_dma_buf(struct pch_spi_board_data *board_dat,
++static int pch_alloc_dma_buf(struct pch_spi_board_data *board_dat,
+ 			      struct pch_spi_data *data)
+ {
+ 	struct pch_spi_dma_ctrl *dma;
++	int ret;
+ 
+ 	dma = &data->dma;
++	ret = 0;
+ 	/* Get Consistent memory for Tx DMA */
+ 	dma->tx_buf_virt = dma_alloc_coherent(&board_dat->pdev->dev,
+ 				PCH_BUF_SIZE, &dma->tx_buf_dma, GFP_KERNEL);
++	if (!dma->tx_buf_virt)
++		ret = -ENOMEM;
++
+ 	/* Get Consistent memory for Rx DMA */
+ 	dma->rx_buf_virt = dma_alloc_coherent(&board_dat->pdev->dev,
+ 				PCH_BUF_SIZE, &dma->rx_buf_dma, GFP_KERNEL);
++	if (!dma->rx_buf_virt)
++		ret = -ENOMEM;
++
++	return ret;
+ }
+ 
+ static int pch_spi_pd_probe(struct platform_device *plat_dev)
+@@ -1382,7 +1391,9 @@ static int pch_spi_pd_probe(struct platform_device *plat_dev)
+ 
+ 	if (use_dma) {
+ 		dev_info(&plat_dev->dev, "Use DMA for data transfers\n");
+-		pch_alloc_dma_buf(board_dat, data);
++		ret = pch_alloc_dma_buf(board_dat, data);
++		if (ret)
++			goto err_spi_register_master;
+ 	}
+ 
+ 	ret = spi_register_master(master);
+diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
+index 9da0bc5a036c..88a8a8edd44b 100644
+--- a/drivers/spi/spi.c
++++ b/drivers/spi/spi.c
+@@ -982,6 +982,8 @@ static int spi_map_msg(struct spi_controller *ctlr, struct spi_message *msg)
+ 		if (max_tx || max_rx) {
+ 			list_for_each_entry(xfer, &msg->transfers,
+ 					    transfer_list) {
++				if (!xfer->len)
++					continue;
+ 				if (!xfer->tx_buf)
+ 					xfer->tx_buf = ctlr->dummy_tx;
+ 				if (!xfer->rx_buf)
+diff --git a/drivers/ssb/bridge_pcmcia_80211.c b/drivers/ssb/bridge_pcmcia_80211.c
+index f51f150307df..ffa379efff83 100644
+--- a/drivers/ssb/bridge_pcmcia_80211.c
++++ b/drivers/ssb/bridge_pcmcia_80211.c
+@@ -113,16 +113,21 @@ static struct pcmcia_driver ssb_host_pcmcia_driver = {
+ 	.resume		= ssb_host_pcmcia_resume,
+ };
+ 
++static int pcmcia_init_failed;
++
+ /*
+  * These are not module init/exit functions!
+  * The module_pcmcia_driver() helper cannot be used here.
+  */
+ int ssb_host_pcmcia_init(void)
+ {
+-	return pcmcia_register_driver(&ssb_host_pcmcia_driver);
++	pcmcia_init_failed = pcmcia_register_driver(&ssb_host_pcmcia_driver);
++
++	return pcmcia_init_failed;
+ }
+ 
+ void ssb_host_pcmcia_exit(void)
+ {
+-	pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
++	if (!pcmcia_init_failed)
++		pcmcia_unregister_driver(&ssb_host_pcmcia_driver);
+ }
+diff --git a/drivers/staging/media/davinci_vpfe/Kconfig b/drivers/staging/media/davinci_vpfe/Kconfig
+index aea449a8dbf8..76818cc48ddc 100644
+--- a/drivers/staging/media/davinci_vpfe/Kconfig
++++ b/drivers/staging/media/davinci_vpfe/Kconfig
+@@ -1,7 +1,7 @@
+ config VIDEO_DM365_VPFE
+ 	tristate "DM365 VPFE Media Controller Capture Driver"
+ 	depends on VIDEO_V4L2
+-	depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || COMPILE_TEST
++	depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || (COMPILE_TEST && !ARCH_OMAP1)
+ 	depends on VIDEO_V4L2_SUBDEV_API
+ 	depends on VIDEO_DAVINCI_VPBE_DISPLAY
+ 	select VIDEOBUF2_DMA_CONTIG
+diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
+index e76720903064..c7c8ef67b67f 100644
+--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
++++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
+@@ -208,6 +208,9 @@ vchiq_platform_init_state(VCHIQ_STATE_T *state)
+ 	struct vchiq_2835_state *platform_state;
+ 
+ 	state->platform_state = kzalloc(sizeof(*platform_state), GFP_KERNEL);
++	if (!state->platform_state)
++		return VCHIQ_ERROR;
++
+ 	platform_state = (struct vchiq_2835_state *)state->platform_state;
+ 
+ 	platform_state->inited = 1;
+diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+index 7642ced31436..63ce567eb6b7 100644
+--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
++++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+@@ -2537,6 +2537,8 @@ vchiq_init_state(VCHIQ_STATE_T *state, VCHIQ_SLOT_ZERO_T *slot_zero,
+ 	local->debug[DEBUG_ENTRIES] = DEBUG_MAX;
+ 
+ 	status = vchiq_platform_init_state(state);
++	if (status != VCHIQ_SUCCESS)
++		return VCHIQ_ERROR;
+ 
+ 	/*
+ 		bring up slot handler thread
+diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
+index 28fc4ce75edb..8490a1b6b615 100644
+--- a/drivers/thunderbolt/icm.c
++++ b/drivers/thunderbolt/icm.c
+@@ -476,6 +476,11 @@ static void add_switch(struct tb_switch *parent_sw, u64 route,
+ 		goto out;
+ 
+ 	sw->uuid = kmemdup(uuid, sizeof(*uuid), GFP_KERNEL);
++	if (!sw->uuid) {
++		tb_sw_warn(sw, "cannot allocate memory for switch\n");
++		tb_switch_put(sw);
++		goto out;
++	}
+ 	sw->connection_id = connection_id;
+ 	sw->connection_key = connection_key;
+ 	sw->link = link;
+diff --git a/drivers/thunderbolt/property.c b/drivers/thunderbolt/property.c
+index 8fe913a95b4a..be3f8b592b05 100644
+--- a/drivers/thunderbolt/property.c
++++ b/drivers/thunderbolt/property.c
+@@ -551,6 +551,11 @@ int tb_property_add_data(struct tb_property_dir *parent, const char *key,
+ 
+ 	property->length = size / 4;
+ 	property->value.data = kzalloc(size, GFP_KERNEL);
++	if (!property->value.data) {
++		kfree(property);
++		return -ENOMEM;
++	}
++
+ 	memcpy(property->value.data, buf, buflen);
+ 
+ 	list_add_tail(&property->list, &parent->properties);
+@@ -581,7 +586,12 @@ int tb_property_add_text(struct tb_property_dir *parent, const char *key,
+ 		return -ENOMEM;
+ 
+ 	property->length = size / 4;
+-	property->value.data = kzalloc(size, GFP_KERNEL);
++	property->value.text = kzalloc(size, GFP_KERNEL);
++	if (!property->value.text) {
++		kfree(property);
++		return -ENOMEM;
++	}
++
+ 	strcpy(property->value.text, text);
+ 
+ 	list_add_tail(&property->list, &parent->properties);
+diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
+index dd9ae6f5d19c..bc7efa6e515d 100644
+--- a/drivers/thunderbolt/switch.c
++++ b/drivers/thunderbolt/switch.c
+@@ -9,15 +9,13 @@
+ #include <linux/idr.h>
+ #include <linux/nvmem-provider.h>
+ #include <linux/pm_runtime.h>
++#include <linux/sched/signal.h>
+ #include <linux/sizes.h>
+ #include <linux/slab.h>
+ #include <linux/vmalloc.h>
+ 
+ #include "tb.h"
+ 
+-/* Switch authorization from userspace is serialized by this lock */
+-static DEFINE_MUTEX(switch_lock);
+-
+ /* Switch NVM support */
+ 
+ #define NVM_DEVID		0x05
+@@ -253,8 +251,8 @@ static int tb_switch_nvm_write(void *priv, unsigned int offset, void *val,
+ 	struct tb_switch *sw = priv;
+ 	int ret = 0;
+ 
+-	if (mutex_lock_interruptible(&switch_lock))
+-		return -ERESTARTSYS;
++	if (!mutex_trylock(&sw->tb->lock))
++		return restart_syscall();
+ 
+ 	/*
+ 	 * Since writing the NVM image might require some special steps,
+@@ -274,7 +272,7 @@ static int tb_switch_nvm_write(void *priv, unsigned int offset, void *val,
+ 	memcpy(sw->nvm->buf + offset, val, bytes);
+ 
+ unlock:
+-	mutex_unlock(&switch_lock);
++	mutex_unlock(&sw->tb->lock);
+ 
+ 	return ret;
+ }
+@@ -363,10 +361,7 @@ static int tb_switch_nvm_add(struct tb_switch *sw)
+ 	}
+ 	nvm->non_active = nvm_dev;
+ 
+-	mutex_lock(&switch_lock);
+ 	sw->nvm = nvm;
+-	mutex_unlock(&switch_lock);
+-
+ 	return 0;
+ 
+ err_nvm_active:
+@@ -383,10 +378,8 @@ static void tb_switch_nvm_remove(struct tb_switch *sw)
+ {
+ 	struct tb_switch_nvm *nvm;
+ 
+-	mutex_lock(&switch_lock);
+ 	nvm = sw->nvm;
+ 	sw->nvm = NULL;
+-	mutex_unlock(&switch_lock);
+ 
+ 	if (!nvm)
+ 		return;
+@@ -717,8 +710,8 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val)
+ {
+ 	int ret = -EINVAL;
+ 
+-	if (mutex_lock_interruptible(&switch_lock))
+-		return -ERESTARTSYS;
++	if (!mutex_trylock(&sw->tb->lock))
++		return restart_syscall();
+ 
+ 	if (sw->authorized)
+ 		goto unlock;
+@@ -761,7 +754,7 @@ static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val)
+ 	}
+ 
+ unlock:
+-	mutex_unlock(&switch_lock);
++	mutex_unlock(&sw->tb->lock);
+ 	return ret;
+ }
+ 
+@@ -818,15 +811,15 @@ static ssize_t key_show(struct device *dev, struct device_attribute *attr,
+ 	struct tb_switch *sw = tb_to_switch(dev);
+ 	ssize_t ret;
+ 
+-	if (mutex_lock_interruptible(&switch_lock))
+-		return -ERESTARTSYS;
++	if (!mutex_trylock(&sw->tb->lock))
++		return restart_syscall();
+ 
+ 	if (sw->key)
+ 		ret = sprintf(buf, "%*phN\n", TB_SWITCH_KEY_SIZE, sw->key);
+ 	else
+ 		ret = sprintf(buf, "\n");
+ 
+-	mutex_unlock(&switch_lock);
++	mutex_unlock(&sw->tb->lock);
+ 	return ret;
+ }
+ 
+@@ -843,8 +836,8 @@ static ssize_t key_store(struct device *dev, struct device_attribute *attr,
+ 	else if (hex2bin(key, buf, sizeof(key)))
+ 		return -EINVAL;
+ 
+-	if (mutex_lock_interruptible(&switch_lock))
+-		return -ERESTARTSYS;
++	if (!mutex_trylock(&sw->tb->lock))
++		return restart_syscall();
+ 
+ 	if (sw->authorized) {
+ 		ret = -EBUSY;
+@@ -859,7 +852,7 @@ static ssize_t key_store(struct device *dev, struct device_attribute *attr,
+ 		}
+ 	}
+ 
+-	mutex_unlock(&switch_lock);
++	mutex_unlock(&sw->tb->lock);
+ 	return ret;
+ }
+ static DEVICE_ATTR(key, 0600, key_show, key_store);
+@@ -905,8 +898,8 @@ static ssize_t nvm_authenticate_store(struct device *dev,
+ 	bool val;
+ 	int ret;
+ 
+-	if (mutex_lock_interruptible(&switch_lock))
+-		return -ERESTARTSYS;
++	if (!mutex_trylock(&sw->tb->lock))
++		return restart_syscall();
+ 
+ 	/* If NVMem devices are not yet added */
+ 	if (!sw->nvm) {
+@@ -954,7 +947,7 @@ static ssize_t nvm_authenticate_store(struct device *dev,
+ 	}
+ 
+ exit_unlock:
+-	mutex_unlock(&switch_lock);
++	mutex_unlock(&sw->tb->lock);
+ 
+ 	if (ret)
+ 		return ret;
+@@ -968,8 +961,8 @@ static ssize_t nvm_version_show(struct device *dev,
+ 	struct tb_switch *sw = tb_to_switch(dev);
+ 	int ret;
+ 
+-	if (mutex_lock_interruptible(&switch_lock))
+-		return -ERESTARTSYS;
++	if (!mutex_trylock(&sw->tb->lock))
++		return restart_syscall();
+ 
+ 	if (sw->safe_mode)
+ 		ret = -ENODATA;
+@@ -978,7 +971,7 @@ static ssize_t nvm_version_show(struct device *dev,
+ 	else
+ 		ret = sprintf(buf, "%x.%x\n", sw->nvm->major, sw->nvm->minor);
+ 
+-	mutex_unlock(&switch_lock);
++	mutex_unlock(&sw->tb->lock);
+ 
+ 	return ret;
+ }
+@@ -1296,13 +1289,14 @@ int tb_switch_configure(struct tb_switch *sw)
+ 	return tb_plug_events_active(sw, true);
+ }
+ 
+-static void tb_switch_set_uuid(struct tb_switch *sw)
++static int tb_switch_set_uuid(struct tb_switch *sw)
+ {
+ 	u32 uuid[4];
+-	int cap;
++	int cap, ret;
+ 
++	ret = 0;
+ 	if (sw->uuid)
+-		return;
++		return ret;
+ 
+ 	/*
+ 	 * The newer controllers include fused UUID as part of link
+@@ -1310,7 +1304,9 @@ static void tb_switch_set_uuid(struct tb_switch *sw)
+ 	 */
+ 	cap = tb_switch_find_vse_cap(sw, TB_VSE_CAP_LINK_CONTROLLER);
+ 	if (cap > 0) {
+-		tb_sw_read(sw, uuid, TB_CFG_SWITCH, cap + 3, 4);
++		ret = tb_sw_read(sw, uuid, TB_CFG_SWITCH, cap + 3, 4);
++		if (ret)
++			return ret;
+ 	} else {
+ 		/*
+ 		 * ICM generates UUID based on UID and fills the upper
+@@ -1325,6 +1321,9 @@ static void tb_switch_set_uuid(struct tb_switch *sw)
+ 	}
+ 
+ 	sw->uuid = kmemdup(uuid, sizeof(uuid), GFP_KERNEL);
++	if (!sw->uuid)
++		ret = -ENOMEM;
++	return ret;
+ }
+ 
+ static int tb_switch_add_dma_port(struct tb_switch *sw)
+@@ -1374,7 +1373,9 @@ static int tb_switch_add_dma_port(struct tb_switch *sw)
+ 
+ 	if (status) {
+ 		tb_sw_info(sw, "switch flash authentication failed\n");
+-		tb_switch_set_uuid(sw);
++		ret = tb_switch_set_uuid(sw);
++		if (ret)
++			return ret;
+ 		nvm_set_auth_status(sw, status);
+ 	}
+ 
+@@ -1424,7 +1425,9 @@ int tb_switch_add(struct tb_switch *sw)
+ 		}
+ 		tb_sw_info(sw, "uid: %#llx\n", sw->uid);
+ 
+-		tb_switch_set_uuid(sw);
++		ret = tb_switch_set_uuid(sw);
++		if (ret)
++			return ret;
+ 
+ 		for (i = 0; i <= sw->config.max_port_number; i++) {
+ 			if (sw->ports[i].disabled) {
+diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
+index 5067d69d0501..7a0ee9836a8a 100644
+--- a/drivers/thunderbolt/tb.h
++++ b/drivers/thunderbolt/tb.h
+@@ -79,8 +79,7 @@ struct tb_switch_nvm {
+  * @depth: Depth in the chain this switch is connected (ICM only)
+  *
+  * When the switch is being added or removed to the domain (other
+- * switches) you need to have domain lock held. For switch authorization
+- * internal switch_lock is enough.
++ * switches) you need to have domain lock held.
+  */
+ struct tb_switch {
+ 	struct device dev;
+diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
+index db8bece63327..befe75490697 100644
+--- a/drivers/thunderbolt/xdomain.c
++++ b/drivers/thunderbolt/xdomain.c
+@@ -743,6 +743,7 @@ static void enumerate_services(struct tb_xdomain *xd)
+ 	struct tb_service *svc;
+ 	struct tb_property *p;
+ 	struct device *dev;
++	int id;
+ 
+ 	/*
+ 	 * First remove all services that are not available anymore in
+@@ -771,7 +772,12 @@ static void enumerate_services(struct tb_xdomain *xd)
+ 			break;
+ 		}
+ 
+-		svc->id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL);
++		id = ida_simple_get(&xd->service_ids, 0, 0, GFP_KERNEL);
++		if (id < 0) {
++			kfree(svc);
++			break;
++		}
++		svc->id = id;
+ 		svc->dev.bus = &tb_bus_type;
+ 		svc->dev.type = &tb_service_type;
+ 		svc->dev.parent = &xd->dev;
+diff --git a/drivers/tty/ipwireless/main.c b/drivers/tty/ipwireless/main.c
+index 3475e841ef5c..4c18bbfe1a92 100644
+--- a/drivers/tty/ipwireless/main.c
++++ b/drivers/tty/ipwireless/main.c
+@@ -114,6 +114,10 @@ static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data)
+ 
+ 	ipw->common_memory = ioremap(p_dev->resource[2]->start,
+ 				resource_size(p_dev->resource[2]));
++	if (!ipw->common_memory) {
++		ret = -ENOMEM;
++		goto exit1;
++	}
+ 	if (!request_mem_region(p_dev->resource[2]->start,
+ 				resource_size(p_dev->resource[2]),
+ 				IPWIRELESS_PCCARD_NAME)) {
+@@ -134,6 +138,10 @@ static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data)
+ 
+ 	ipw->attr_memory = ioremap(p_dev->resource[3]->start,
+ 				resource_size(p_dev->resource[3]));
++	if (!ipw->attr_memory) {
++		ret = -ENOMEM;
++		goto exit3;
++	}
+ 	if (!request_mem_region(p_dev->resource[3]->start,
+ 				resource_size(p_dev->resource[3]),
+ 				IPWIRELESS_PCCARD_NAME)) {
+diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
+index 1c21955fe7c0..b82a7d787add 100644
+--- a/drivers/usb/core/hcd.c
++++ b/drivers/usb/core/hcd.c
+@@ -3017,6 +3017,9 @@ usb_hcd_platform_shutdown(struct platform_device *dev)
+ {
+ 	struct usb_hcd *hcd = platform_get_drvdata(dev);
+ 
++	/* No need for pm_runtime_put(), we're shutting down */
++	pm_runtime_get_sync(&dev->dev);
++
+ 	if (hcd->driver->shutdown)
+ 		hcd->driver->shutdown(hcd);
+ }
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index bbcfa63d0233..eb24ec0e160d 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -5823,7 +5823,10 @@ int usb_reset_device(struct usb_device *udev)
+ 					cintf->needs_binding = 1;
+ 			}
+ 		}
+-		usb_unbind_and_rebind_marked_interfaces(udev);
++
++		/* If the reset failed, hub_wq will unbind drivers later */
++		if (ret == 0)
++			usb_unbind_and_rebind_marked_interfaces(udev);
+ 	}
+ 
+ 	usb_autosuspend_device(udev);
+diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
+index 220c0f9b89b0..03614ef64ca4 100644
+--- a/drivers/usb/dwc2/gadget.c
++++ b/drivers/usb/dwc2/gadget.c
+@@ -675,13 +675,11 @@ static unsigned int dwc2_gadget_get_chain_limit(struct dwc2_hsotg_ep *hs_ep)
+ 	unsigned int maxsize;
+ 
+ 	if (is_isoc)
+-		maxsize = hs_ep->dir_in ? DEV_DMA_ISOC_TX_NBYTES_LIMIT :
+-					   DEV_DMA_ISOC_RX_NBYTES_LIMIT;
++		maxsize = (hs_ep->dir_in ? DEV_DMA_ISOC_TX_NBYTES_LIMIT :
++					   DEV_DMA_ISOC_RX_NBYTES_LIMIT) *
++					   MAX_DMA_DESC_NUM_HS_ISOC;
+ 	else
+-		maxsize = DEV_DMA_NBYTES_LIMIT;
+-
+-	/* Above size of one descriptor was chosen, multiple it */
+-	maxsize *= MAX_DMA_DESC_NUM_GENERIC;
++		maxsize = DEV_DMA_NBYTES_LIMIT * MAX_DMA_DESC_NUM_GENERIC;
+ 
+ 	return maxsize;
+ }
+@@ -864,7 +862,7 @@ static int dwc2_gadget_fill_isoc_desc(struct dwc2_hsotg_ep *hs_ep,
+ 
+ 	/* Update index of last configured entry in the chain */
+ 	hs_ep->next_desc++;
+-	if (hs_ep->next_desc >= MAX_DMA_DESC_NUM_GENERIC)
++	if (hs_ep->next_desc >= MAX_DMA_DESC_NUM_HS_ISOC)
+ 		hs_ep->next_desc = 0;
+ 
+ 	return 0;
+@@ -896,7 +894,7 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep)
+ 	}
+ 
+ 	/* Initialize descriptor chain by Host Busy status */
+-	for (i = 0; i < MAX_DMA_DESC_NUM_GENERIC; i++) {
++	for (i = 0; i < MAX_DMA_DESC_NUM_HS_ISOC; i++) {
+ 		desc = &hs_ep->desc_list[i];
+ 		desc->status = 0;
+ 		desc->status |= (DEV_DMA_BUFF_STS_HBUSY
+@@ -2083,7 +2081,7 @@ static void dwc2_gadget_complete_isoc_request_ddma(struct dwc2_hsotg_ep *hs_ep)
+ 		dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0);
+ 
+ 		hs_ep->compl_desc++;
+-		if (hs_ep->compl_desc > (MAX_DMA_DESC_NUM_GENERIC - 1))
++		if (hs_ep->compl_desc > (MAX_DMA_DESC_NUM_HS_ISOC - 1))
+ 			hs_ep->compl_desc = 0;
+ 		desc_sts = hs_ep->desc_list[hs_ep->compl_desc].status;
+ 	}
+@@ -3779,6 +3777,7 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
+ 	unsigned int i, val, size;
+ 	int ret = 0;
+ 	unsigned char ep_type;
++	int desc_num;
+ 
+ 	dev_dbg(hsotg->dev,
+ 		"%s: ep %s: a 0x%02x, attr 0x%02x, mps 0x%04x, intr %d\n",
+@@ -3825,11 +3824,15 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
+ 	dev_dbg(hsotg->dev, "%s: read DxEPCTL=0x%08x from 0x%08x\n",
+ 		__func__, epctrl, epctrl_reg);
+ 
++	if (using_desc_dma(hsotg) && ep_type == USB_ENDPOINT_XFER_ISOC)
++		desc_num = MAX_DMA_DESC_NUM_HS_ISOC;
++	else
++		desc_num = MAX_DMA_DESC_NUM_GENERIC;
++
+ 	/* Allocate DMA descriptor chain for non-ctrl endpoints */
+ 	if (using_desc_dma(hsotg) && !hs_ep->desc_list) {
+ 		hs_ep->desc_list = dmam_alloc_coherent(hsotg->dev,
+-			MAX_DMA_DESC_NUM_GENERIC *
+-			sizeof(struct dwc2_dma_desc),
++			desc_num * sizeof(struct dwc2_dma_desc),
+ 			&hs_ep->desc_list_dma, GFP_ATOMIC);
+ 		if (!hs_ep->desc_list) {
+ 			ret = -ENOMEM;
+@@ -3971,7 +3974,7 @@ error1:
+ 
+ error2:
+ 	if (ret && using_desc_dma(hsotg) && hs_ep->desc_list) {
+-		dmam_free_coherent(hsotg->dev, MAX_DMA_DESC_NUM_GENERIC *
++		dmam_free_coherent(hsotg->dev, desc_num *
+ 			sizeof(struct dwc2_dma_desc),
+ 			hs_ep->desc_list, hs_ep->desc_list_dma);
+ 		hs_ep->desc_list = NULL;
+diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
+index 4d5c7dda8f54..05b9ccff7447 100644
+--- a/drivers/usb/dwc3/core.c
++++ b/drivers/usb/dwc3/core.c
+@@ -1591,6 +1591,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
+ 		spin_lock_irqsave(&dwc->lock, flags);
+ 		dwc3_gadget_suspend(dwc);
+ 		spin_unlock_irqrestore(&dwc->lock, flags);
++		synchronize_irq(dwc->irq_gadget);
+ 		dwc3_core_exit(dwc);
+ 		break;
+ 	case DWC3_GCTL_PRTCAP_HOST:
+@@ -1623,6 +1624,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
+ 			spin_lock_irqsave(&dwc->lock, flags);
+ 			dwc3_gadget_suspend(dwc);
+ 			spin_unlock_irqrestore(&dwc->lock, flags);
++			synchronize_irq(dwc->irq_gadget);
+ 		}
+ 
+ 		dwc3_otg_exit(dwc);
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index 524104eed8a7..65ba1038b111 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -3277,8 +3277,6 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
+ 	dwc3_disconnect_gadget(dwc);
+ 	__dwc3_gadget_stop(dwc);
+ 
+-	synchronize_irq(dwc->irq_gadget);
+-
+ 	return 0;
+ }
+ 
+diff --git a/drivers/video/fbdev/core/fbcmap.c b/drivers/video/fbdev/core/fbcmap.c
+index 68a113594808..2811c4afde01 100644
+--- a/drivers/video/fbdev/core/fbcmap.c
++++ b/drivers/video/fbdev/core/fbcmap.c
+@@ -94,6 +94,8 @@ int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags)
+ 	int size = len * sizeof(u16);
+ 	int ret = -ENOMEM;
+ 
++	flags |= __GFP_NOWARN;
++
+ 	if (cmap->len != len) {
+ 		fb_dealloc_cmap(cmap);
+ 		if (!len)
+diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c
+index 283d9307df21..ac049871704d 100644
+--- a/drivers/video/fbdev/core/modedb.c
++++ b/drivers/video/fbdev/core/modedb.c
+@@ -935,6 +935,9 @@ void fb_var_to_videomode(struct fb_videomode *mode,
+ 	if (var->vmode & FB_VMODE_DOUBLE)
+ 		vtotal *= 2;
+ 
++	if (!htotal || !vtotal)
++		return;
++
+ 	hfreq = pixclock/htotal;
+ 	mode->refresh = hfreq/vtotal;
+ }
+diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
+index fd02e8a4841d..9f39f0c360e0 100644
+--- a/drivers/video/fbdev/efifb.c
++++ b/drivers/video/fbdev/efifb.c
+@@ -464,7 +464,8 @@ static int efifb_probe(struct platform_device *dev)
+ 	info->apertures->ranges[0].base = efifb_fix.smem_start;
+ 	info->apertures->ranges[0].size = size_remap;
+ 
+-	if (!efi_mem_desc_lookup(efifb_fix.smem_start, &md)) {
++	if (efi_enabled(EFI_BOOT) &&
++	    !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) {
+ 		if ((efifb_fix.smem_start + efifb_fix.smem_len) >
+ 		    (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) {
+ 			pr_err("efifb: video memory @ 0x%lx spans multiple EFI memory regions\n",
+diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
+index 2001910fd241..5a0d6fb02bbc 100644
+--- a/drivers/video/fbdev/udlfb.c
++++ b/drivers/video/fbdev/udlfb.c
+@@ -1659,7 +1659,7 @@ static int dlfb_usb_probe(struct usb_interface *intf,
+ 	dlfb = kzalloc(sizeof(*dlfb), GFP_KERNEL);
+ 	if (!dlfb) {
+ 		dev_err(&intf->dev, "%s: failed to allocate dlfb\n", __func__);
+-		goto error;
++		return -ENOMEM;
+ 	}
+ 
+ 	INIT_LIST_HEAD(&dlfb->deferred_free);
+@@ -1769,7 +1769,7 @@ static int dlfb_usb_probe(struct usb_interface *intf,
+ error:
+ 	if (dlfb->info) {
+ 		dlfb_ops_destroy(dlfb->info);
+-	} else if (dlfb) {
++	} else {
+ 		usb_put_dev(dlfb->udev);
+ 		kfree(dlfb);
+ 	}
+@@ -1796,12 +1796,10 @@ static void dlfb_usb_disconnect(struct usb_interface *intf)
+ 	/* this function will wait for all in-flight urbs to complete */
+ 	dlfb_free_urb_list(dlfb);
+ 
+-	if (info) {
+-		/* remove udlfb's sysfs interfaces */
+-		for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++)
+-			device_remove_file(info->dev, &fb_device_attrs[i]);
+-		device_remove_bin_file(info->dev, &edid_attr);
+-	}
++	/* remove udlfb's sysfs interfaces */
++	for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++)
++		device_remove_file(info->dev, &fb_device_attrs[i]);
++	device_remove_bin_file(info->dev, &edid_attr);
+ 
+ 	unregister_framebuffer(info);
+ }
+diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
+index 0364d3329c52..3516ce6718d9 100644
+--- a/drivers/w1/w1_io.c
++++ b/drivers/w1/w1_io.c
+@@ -432,8 +432,7 @@ int w1_reset_resume_command(struct w1_master *dev)
+ 	if (w1_reset_bus(dev))
+ 		return -1;
+ 
+-	/* This will make only the last matched slave perform a skip ROM. */
+-	w1_write_8(dev, W1_RESUME_CMD);
++	w1_write_8(dev, dev->slave_count > 1 ? W1_RESUME_CMD : W1_SKIP_ROM);
+ 	return 0;
+ }
+ EXPORT_SYMBOL_GPL(w1_reset_resume_command);
+diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
+index 2a4f52c7be22..ac6c383d6314 100644
+--- a/fs/btrfs/backref.c
++++ b/fs/btrfs/backref.c
+@@ -710,7 +710,7 @@ out:
+  * read tree blocks and add keys where required.
+  */
+ static int add_missing_keys(struct btrfs_fs_info *fs_info,
+-			    struct preftrees *preftrees)
++			    struct preftrees *preftrees, bool lock)
+ {
+ 	struct prelim_ref *ref;
+ 	struct extent_buffer *eb;
+@@ -735,12 +735,14 @@ static int add_missing_keys(struct btrfs_fs_info *fs_info,
+ 			free_extent_buffer(eb);
+ 			return -EIO;
+ 		}
+-		btrfs_tree_read_lock(eb);
++		if (lock)
++			btrfs_tree_read_lock(eb);
+ 		if (btrfs_header_level(eb) == 0)
+ 			btrfs_item_key_to_cpu(eb, &ref->key_for_search, 0);
+ 		else
+ 			btrfs_node_key_to_cpu(eb, &ref->key_for_search, 0);
+-		btrfs_tree_read_unlock(eb);
++		if (lock)
++			btrfs_tree_read_unlock(eb);
+ 		free_extent_buffer(eb);
+ 		prelim_ref_insert(fs_info, &preftrees->indirect, ref, NULL);
+ 		cond_resched();
+@@ -1225,7 +1227,7 @@ again:
+ 
+ 	btrfs_release_path(path);
+ 
+-	ret = add_missing_keys(fs_info, &preftrees);
++	ret = add_missing_keys(fs_info, &preftrees, path->skip_locking == 0);
+ 	if (ret)
+ 		goto out;
+ 
+@@ -1286,11 +1288,14 @@ again:
+ 					ret = -EIO;
+ 					goto out;
+ 				}
+-				btrfs_tree_read_lock(eb);
+-				btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
++				if (!path->skip_locking) {
++					btrfs_tree_read_lock(eb);
++					btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
++				}
+ 				ret = find_extent_in_eb(eb, bytenr,
+ 							*extent_item_pos, &eie, ignore_offset);
+-				btrfs_tree_read_unlock_blocking(eb);
++				if (!path->skip_locking)
++					btrfs_tree_read_unlock_blocking(eb);
+ 				free_extent_buffer(eb);
+ 				if (ret < 0)
+ 					goto out;
+diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
+index 809c2c307c64..0cc800d22a08 100644
+--- a/fs/btrfs/extent-tree.c
++++ b/fs/btrfs/extent-tree.c
+@@ -3911,8 +3911,7 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags)
+ 				    info->space_info_kobj, "%s",
+ 				    alloc_name(space_info->flags));
+ 	if (ret) {
+-		percpu_counter_destroy(&space_info->total_bytes_pinned);
+-		kfree(space_info);
++		kobject_put(&space_info->kobj);
+ 		return ret;
+ 	}
+ 
+@@ -10789,9 +10788,9 @@ int btrfs_error_unpin_extent_range(struct btrfs_fs_info *fs_info,
+  * held back allocations.
+  */
+ static int btrfs_trim_free_extents(struct btrfs_device *device,
+-				   struct fstrim_range *range, u64 *trimmed)
++				   u64 minlen, u64 *trimmed)
+ {
+-	u64 start = range->start, len = 0;
++	u64 start = 0, len = 0;
+ 	int ret;
+ 
+ 	*trimmed = 0;
+@@ -10834,8 +10833,8 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
+ 		if (!trans)
+ 			up_read(&fs_info->commit_root_sem);
+ 
+-		ret = find_free_dev_extent_start(trans, device, range->minlen,
+-						 start, &start, &len);
++		ret = find_free_dev_extent_start(trans, device, minlen, start,
++						 &start, &len);
+ 		if (trans) {
+ 			up_read(&fs_info->commit_root_sem);
+ 			btrfs_put_transaction(trans);
+@@ -10848,16 +10847,6 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
+ 			break;
+ 		}
+ 
+-		/* If we are out of the passed range break */
+-		if (start > range->start + range->len - 1) {
+-			mutex_unlock(&fs_info->chunk_mutex);
+-			ret = 0;
+-			break;
+-		}
+-
+-		start = max(range->start, start);
+-		len = min(range->len, len);
+-
+ 		ret = btrfs_issue_discard(device->bdev, start, len, &bytes);
+ 		mutex_unlock(&fs_info->chunk_mutex);
+ 
+@@ -10867,10 +10856,6 @@ static int btrfs_trim_free_extents(struct btrfs_device *device,
+ 		start += len;
+ 		*trimmed += bytes;
+ 
+-		/* We've trimmed enough */
+-		if (*trimmed >= range->len)
+-			break;
+-
+ 		if (fatal_signal_pending(current)) {
+ 			ret = -ERESTARTSYS;
+ 			break;
+@@ -10954,7 +10939,8 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
+ 	mutex_lock(&fs_info->fs_devices->device_list_mutex);
+ 	devices = &fs_info->fs_devices->devices;
+ 	list_for_each_entry(device, devices, dev_list) {
+-		ret = btrfs_trim_free_extents(device, range, &group_trimmed);
++		ret = btrfs_trim_free_extents(device, range->minlen,
++					      &group_trimmed);
+ 		if (ret) {
+ 			dev_failed++;
+ 			dev_ret = ret;
+diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
+index ca4902c66dc4..e24c0a69ff5d 100644
+--- a/fs/btrfs/file.c
++++ b/fs/btrfs/file.c
+@@ -2058,6 +2058,18 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
+ 	int ret = 0, err;
+ 	u64 len;
+ 
++	/*
++	 * If the inode needs a full sync, make sure we use a full range to
++	 * avoid log tree corruption, due to hole detection racing with ordered
++	 * extent completion for adjacent ranges, and assertion failures during
++	 * hole detection.
++	 */
++	if (test_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
++		     &BTRFS_I(inode)->runtime_flags)) {
++		start = 0;
++		end = LLONG_MAX;
++	}
++
+ 	/*
+ 	 * The range length can be represented by u64, we have to do the typecasts
+ 	 * to avoid signed overflow if it's [0, LLONG_MAX] eg. from fsync()
+@@ -2565,10 +2577,8 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
+ 
+ 	ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,
+ 					  &cached_state);
+-	if (ret) {
+-		inode_unlock(inode);
++	if (ret)
+ 		goto out_only_mutex;
+-	}
+ 
+ 	path = btrfs_alloc_path();
+ 	if (!path) {
+@@ -3151,6 +3161,7 @@ static long btrfs_fallocate(struct file *file, int mode,
+ 			ret = btrfs_qgroup_reserve_data(inode, &data_reserved,
+ 					cur_offset, last_byte - cur_offset);
+ 			if (ret < 0) {
++				cur_offset = last_byte;
+ 				free_extent_map(em);
+ 				break;
+ 			}
+@@ -3200,7 +3211,7 @@ out:
+ 	/* Let go of our reservation. */
+ 	if (ret != 0 && !(mode & FALLOC_FL_ZERO_RANGE))
+ 		btrfs_free_reserved_data_space(inode, data_reserved,
+-				alloc_start, alloc_end - cur_offset);
++				cur_offset, alloc_end - cur_offset);
+ 	extent_changeset_free(data_reserved);
+ 	return ret;
+ }
+diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
+index 0526b6c473c7..5d57ed629345 100644
+--- a/fs/btrfs/relocation.c
++++ b/fs/btrfs/relocation.c
+@@ -4289,27 +4289,36 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
+ 		mutex_lock(&fs_info->cleaner_mutex);
+ 		ret = relocate_block_group(rc);
+ 		mutex_unlock(&fs_info->cleaner_mutex);
+-		if (ret < 0) {
++		if (ret < 0)
+ 			err = ret;
+-			goto out;
+-		}
+-
+-		if (rc->extents_found == 0)
+-			break;
+-
+-		btrfs_info(fs_info, "found %llu extents", rc->extents_found);
+ 
++		/*
++		 * We may have gotten ENOSPC after we already dirtied some
++		 * extents.  If writeout happens while we're relocating a
++		 * different block group we could end up hitting the
++		 * BUG_ON(rc->stage == UPDATE_DATA_PTRS) in
++		 * btrfs_reloc_cow_block.  Make sure we write everything out
++		 * properly so we don't trip over this problem, and then break
++		 * out of the loop if we hit an error.
++		 */
+ 		if (rc->stage == MOVE_DATA_EXTENTS && rc->found_file_extent) {
+ 			ret = btrfs_wait_ordered_range(rc->data_inode, 0,
+ 						       (u64)-1);
+-			if (ret) {
++			if (ret)
+ 				err = ret;
+-				goto out;
+-			}
+ 			invalidate_mapping_pages(rc->data_inode->i_mapping,
+ 						 0, -1);
+ 			rc->stage = UPDATE_DATA_PTRS;
+ 		}
++
++		if (err < 0)
++			goto out;
++
++		if (rc->extents_found == 0)
++			break;
++
++		btrfs_info(fs_info, "found %llu extents", rc->extents_found);
++
+ 	}
+ 
+ 	WARN_ON(rc->block_group->pinned > 0);
+diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
+index 65bda0682928..3228d3b3084a 100644
+--- a/fs/btrfs/root-tree.c
++++ b/fs/btrfs/root-tree.c
+@@ -132,16 +132,17 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
+ 		return -ENOMEM;
+ 
+ 	ret = btrfs_search_slot(trans, root, key, path, 0, 1);
+-	if (ret < 0) {
+-		btrfs_abort_transaction(trans, ret);
++	if (ret < 0)
+ 		goto out;
+-	}
+ 
+-	if (ret != 0) {
+-		btrfs_print_leaf(path->nodes[0]);
+-		btrfs_crit(fs_info, "unable to update root key %llu %u %llu",
+-			   key->objectid, key->type, key->offset);
+-		BUG_ON(1);
++	if (ret > 0) {
++		btrfs_crit(fs_info,
++			"unable to find root key (%llu %u %llu) in tree %llu",
++			key->objectid, key->type, key->offset,
++			root->root_key.objectid);
++		ret = -EUCLEAN;
++		btrfs_abort_transaction(trans, ret);
++		goto out;
+ 	}
+ 
+ 	l = path->nodes[0];
+diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
+index 3717c864ba23..aefb0169d46d 100644
+--- a/fs/btrfs/sysfs.c
++++ b/fs/btrfs/sysfs.c
+@@ -811,7 +811,12 @@ int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs,
+ 	fs_devs->fsid_kobj.kset = btrfs_kset;
+ 	error = kobject_init_and_add(&fs_devs->fsid_kobj,
+ 				&btrfs_ktype, parent, "%pU", fs_devs->fsid);
+-	return error;
++	if (error) {
++		kobject_put(&fs_devs->fsid_kobj);
++		return error;
++	}
++
++	return 0;
+ }
+ 
+ int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info)
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index 2f4f0958e5f2..75051d36dc1a 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -4121,6 +4121,7 @@ fill_holes:
+ 							       *last_extent, 0,
+ 							       0, len, 0, len,
+ 							       0, 0, 0);
++				*last_extent += len;
+ 			}
+ 		}
+ 	}
+diff --git a/fs/char_dev.c b/fs/char_dev.c
+index a279c58fe360..8a63cfa29005 100644
+--- a/fs/char_dev.c
++++ b/fs/char_dev.c
+@@ -159,6 +159,12 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
+ 			ret = -EBUSY;
+ 			goto out;
+ 		}
++
++		if (new_min < old_min && new_max > old_max) {
++			ret = -EBUSY;
++			goto out;
++		}
++
+ 	}
+ 
+ 	cd->next = *cp;
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 67e8aa35197e..05dc5a4ba481 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -5596,25 +5596,22 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
+ 			up_write(&EXT4_I(inode)->i_data_sem);
+ 			ext4_journal_stop(handle);
+ 			if (error) {
+-				if (orphan)
++				if (orphan && inode->i_nlink)
+ 					ext4_orphan_del(NULL, inode);
+ 				goto err_out;
+ 			}
+ 		}
+-		if (!shrink)
++		if (!shrink) {
+ 			pagecache_isize_extended(inode, oldsize, inode->i_size);
+-
+-		/*
+-		 * Blocks are going to be removed from the inode. Wait
+-		 * for dio in flight.  Temporarily disable
+-		 * dioread_nolock to prevent livelock.
+-		 */
+-		if (orphan) {
+-			if (!ext4_should_journal_data(inode)) {
+-				inode_dio_wait(inode);
+-			} else
+-				ext4_wait_for_tail_page_commit(inode);
++		} else {
++			/*
++			 * Blocks are going to be removed from the inode. Wait
++			 * for dio in flight.
++			 */
++			inode_dio_wait(inode);
+ 		}
++		if (orphan && ext4_should_journal_data(inode))
++			ext4_wait_for_tail_page_commit(inode);
+ 		down_write(&EXT4_I(inode)->i_mmap_sem);
+ 
+ 		rc = ext4_break_layouts(inode);
+diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
+index 08314fb42652..4d02e76b648a 100644
+--- a/fs/f2fs/data.c
++++ b/fs/f2fs/data.c
+@@ -197,12 +197,14 @@ struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
+ 	struct block_device *bdev = sbi->sb->s_bdev;
+ 	int i;
+ 
+-	for (i = 0; i < sbi->s_ndevs; i++) {
+-		if (FDEV(i).start_blk <= blk_addr &&
+-					FDEV(i).end_blk >= blk_addr) {
+-			blk_addr -= FDEV(i).start_blk;
+-			bdev = FDEV(i).bdev;
+-			break;
++	if (f2fs_is_multi_device(sbi)) {
++		for (i = 0; i < sbi->s_ndevs; i++) {
++			if (FDEV(i).start_blk <= blk_addr &&
++			    FDEV(i).end_blk >= blk_addr) {
++				blk_addr -= FDEV(i).start_blk;
++				bdev = FDEV(i).bdev;
++				break;
++			}
+ 		}
+ 	}
+ 	if (bio) {
+@@ -216,6 +218,9 @@ int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr)
+ {
+ 	int i;
+ 
++	if (!f2fs_is_multi_device(sbi))
++		return 0;
++
+ 	for (i = 0; i < sbi->s_ndevs; i++)
+ 		if (FDEV(i).start_blk <= blkaddr && FDEV(i).end_blk >= blkaddr)
+ 			return i;
+diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
+index 1f5d5f62bb77..a4b6eacf22ea 100644
+--- a/fs/f2fs/f2fs.h
++++ b/fs/f2fs/f2fs.h
+@@ -1336,6 +1336,17 @@ static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
+ }
+ #endif
+ 
++/*
++ * Test if the mounted volume is a multi-device volume.
++ *   - For a single regular disk volume, sbi->s_ndevs is 0.
++ *   - For a single zoned disk volume, sbi->s_ndevs is 1.
++ *   - For a multi-device volume, sbi->s_ndevs is always 2 or more.
++ */
++static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
++{
++	return sbi->s_ndevs > 1;
++}
++
+ /* For write statistics. Suppose sector size is 512 bytes,
+  * and the return value is in kbytes. s is of struct f2fs_sb_info.
+  */
+@@ -3455,7 +3466,7 @@ static inline bool f2fs_force_buffered_io(struct inode *inode, int rw)
+ {
+ 	return (f2fs_post_read_required(inode) ||
+ 			(rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) ||
+-			F2FS_I_SB(inode)->s_ndevs);
++			f2fs_is_multi_device(F2FS_I_SB(inode)));
+ }
+ 
+ #ifdef CONFIG_F2FS_FAULT_INJECTION
+diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
+index b3f46e3bec17..8d1eb8dec605 100644
+--- a/fs/f2fs/file.c
++++ b/fs/f2fs/file.c
+@@ -2539,7 +2539,7 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg)
+ 							sizeof(range)))
+ 		return -EFAULT;
+ 
+-	if (sbi->s_ndevs <= 1 || sbi->s_ndevs - 1 <= range.dev_num ||
++	if (!f2fs_is_multi_device(sbi) || sbi->s_ndevs - 1 <= range.dev_num ||
+ 			sbi->segs_per_sec != 1) {
+ 		f2fs_msg(sbi->sb, KERN_WARNING,
+ 			"Can't flush %u in %d for segs_per_sec %u != 1\n",
+diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
+index 5c8d00422237..d44b57a363ff 100644
+--- a/fs/f2fs/gc.c
++++ b/fs/f2fs/gc.c
+@@ -1256,7 +1256,7 @@ void f2fs_build_gc_manager(struct f2fs_sb_info *sbi)
+ 	sbi->gc_pin_file_threshold = DEF_GC_FAILED_PINNED_FILES;
+ 
+ 	/* give warm/cold data area from slower device */
+-	if (sbi->s_ndevs && sbi->segs_per_sec == 1)
++	if (f2fs_is_multi_device(sbi) && sbi->segs_per_sec == 1)
+ 		SIT_I(sbi)->last_victim[ALLOC_NEXT] =
+ 				GET_SEGNO(sbi, FDEV(0).end_blk) + 1;
+ }
+diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
+index ac038563273d..03fa2c4d3d79 100644
+--- a/fs/f2fs/segment.c
++++ b/fs/f2fs/segment.c
+@@ -574,7 +574,7 @@ static int submit_flush_wait(struct f2fs_sb_info *sbi, nid_t ino)
+ 	int ret = 0;
+ 	int i;
+ 
+-	if (!sbi->s_ndevs)
++	if (!f2fs_is_multi_device(sbi))
+ 		return __submit_flush_wait(sbi, sbi->sb->s_bdev);
+ 
+ 	for (i = 0; i < sbi->s_ndevs; i++) {
+@@ -640,7 +640,8 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino)
+ 		return ret;
+ 	}
+ 
+-	if (atomic_inc_return(&fcc->issing_flush) == 1 || sbi->s_ndevs > 1) {
++	if (atomic_inc_return(&fcc->issing_flush) == 1 ||
++	    f2fs_is_multi_device(sbi)) {
+ 		ret = submit_flush_wait(sbi, ino);
+ 		atomic_dec(&fcc->issing_flush);
+ 
+@@ -746,7 +747,7 @@ int f2fs_flush_device_cache(struct f2fs_sb_info *sbi)
+ {
+ 	int ret = 0, i;
+ 
+-	if (!sbi->s_ndevs)
++	if (!f2fs_is_multi_device(sbi))
+ 		return 0;
+ 
+ 	for (i = 1; i < sbi->s_ndevs; i++) {
+@@ -1289,7 +1290,7 @@ static int __queue_discard_cmd(struct f2fs_sb_info *sbi,
+ 
+ 	trace_f2fs_queue_discard(bdev, blkstart, blklen);
+ 
+-	if (sbi->s_ndevs) {
++	if (f2fs_is_multi_device(sbi)) {
+ 		int devi = f2fs_target_device_index(sbi, blkstart);
+ 
+ 		blkstart -= FDEV(devi).start_blk;
+@@ -1638,7 +1639,7 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
+ 	block_t lblkstart = blkstart;
+ 	int devi = 0;
+ 
+-	if (sbi->s_ndevs) {
++	if (f2fs_is_multi_device(sbi)) {
+ 		devi = f2fs_target_device_index(sbi, blkstart);
+ 		blkstart -= FDEV(devi).start_blk;
+ 	}
+@@ -2971,7 +2972,7 @@ static void update_device_state(struct f2fs_io_info *fio)
+ 	struct f2fs_sb_info *sbi = fio->sbi;
+ 	unsigned int devidx;
+ 
+-	if (!sbi->s_ndevs)
++	if (!f2fs_is_multi_device(sbi))
+ 		return;
+ 
+ 	devidx = f2fs_target_device_index(sbi, fio->new_blkaddr);
+diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
+index 9d566e62684c..ccdd8c821abd 100644
+--- a/fs/gfs2/glock.c
++++ b/fs/gfs2/glock.c
+@@ -140,6 +140,7 @@ void gfs2_glock_free(struct gfs2_glock *gl)
+ {
+ 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
+ 
++	BUG_ON(atomic_read(&gl->gl_revokes));
+ 	rhashtable_remove_fast(&gl_hash_table, &gl->gl_node, ht_parms);
+ 	smp_mb();
+ 	wake_up_glock(gl);
+@@ -183,15 +184,19 @@ static int demote_ok(const struct gfs2_glock *gl)
+ 
+ void gfs2_glock_add_to_lru(struct gfs2_glock *gl)
+ {
++	if (!(gl->gl_ops->go_flags & GLOF_LRU))
++		return;
++
+ 	spin_lock(&lru_lock);
+ 
+-	if (!list_empty(&gl->gl_lru))
+-		list_del_init(&gl->gl_lru);
+-	else
++	list_del(&gl->gl_lru);
++	list_add_tail(&gl->gl_lru, &lru_list);
++
++	if (!test_bit(GLF_LRU, &gl->gl_flags)) {
++		set_bit(GLF_LRU, &gl->gl_flags);
+ 		atomic_inc(&lru_count);
++	}
+ 
+-	list_add_tail(&gl->gl_lru, &lru_list);
+-	set_bit(GLF_LRU, &gl->gl_flags);
+ 	spin_unlock(&lru_lock);
+ }
+ 
+@@ -201,7 +206,7 @@ static void gfs2_glock_remove_from_lru(struct gfs2_glock *gl)
+ 		return;
+ 
+ 	spin_lock(&lru_lock);
+-	if (!list_empty(&gl->gl_lru)) {
++	if (test_bit(GLF_LRU, &gl->gl_flags)) {
+ 		list_del_init(&gl->gl_lru);
+ 		atomic_dec(&lru_count);
+ 		clear_bit(GLF_LRU, &gl->gl_flags);
+@@ -1158,8 +1163,7 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
+ 		    !test_bit(GLF_DEMOTE, &gl->gl_flags))
+ 			fast_path = 1;
+ 	}
+-	if (!test_bit(GLF_LFLUSH, &gl->gl_flags) && demote_ok(gl) &&
+-	    (glops->go_flags & GLOF_LRU))
++	if (!test_bit(GLF_LFLUSH, &gl->gl_flags) && demote_ok(gl))
+ 		gfs2_glock_add_to_lru(gl);
+ 
+ 	trace_gfs2_glock_queue(gh, 0);
+@@ -1455,6 +1459,7 @@ __acquires(&lru_lock)
+ 		if (!spin_trylock(&gl->gl_lockref.lock)) {
+ add_back_to_lru:
+ 			list_add(&gl->gl_lru, &lru_list);
++			set_bit(GLF_LRU, &gl->gl_flags);
+ 			atomic_inc(&lru_count);
+ 			continue;
+ 		}
+@@ -1462,7 +1467,6 @@ add_back_to_lru:
+ 			spin_unlock(&gl->gl_lockref.lock);
+ 			goto add_back_to_lru;
+ 		}
+-		clear_bit(GLF_LRU, &gl->gl_flags);
+ 		gl->gl_lockref.count++;
+ 		if (demote_ok(gl))
+ 			handle_callback(gl, LM_ST_UNLOCKED, 0, false);
+@@ -1497,6 +1501,7 @@ static long gfs2_scan_glock_lru(int nr)
+ 		if (!test_bit(GLF_LOCK, &gl->gl_flags)) {
+ 			list_move(&gl->gl_lru, &dispose);
+ 			atomic_dec(&lru_count);
++			clear_bit(GLF_LRU, &gl->gl_flags);
+ 			freed++;
+ 			continue;
+ 		}
+diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
+index ac7caa267ed6..62edf8f5615f 100644
+--- a/fs/gfs2/lock_dlm.c
++++ b/fs/gfs2/lock_dlm.c
+@@ -31,9 +31,10 @@
+  * @delta is the difference between the current rtt sample and the
+  * running average srtt. We add 1/8 of that to the srtt in order to
+  * update the current srtt estimate. The variance estimate is a bit
+- * more complicated. We subtract the abs value of the @delta from
+- * the current variance estimate and add 1/4 of that to the running
+- * total.
++ * more complicated. We subtract the current variance estimate from
++ * the abs value of the @delta and add 1/4 of that to the running
++ * total.  That's equivalent to 3/4 of the current variance
++ * estimate plus 1/4 of the abs of @delta.
+  *
+  * Note that the index points at the array entry containing the smoothed
+  * mean value, and the variance is always in the following entry
+@@ -49,7 +50,7 @@ static inline void gfs2_update_stats(struct gfs2_lkstats *s, unsigned index,
+ 	s64 delta = sample - s->stats[index];
+ 	s->stats[index] += (delta >> 3);
+ 	index++;
+-	s->stats[index] += ((abs(delta) - s->stats[index]) >> 2);
++	s->stats[index] += (s64)(abs(delta) - s->stats[index]) >> 2;
+ }
+ 
+ /**
+diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
+index ee20ea42e7b5..cd85092723de 100644
+--- a/fs/gfs2/log.c
++++ b/fs/gfs2/log.c
+@@ -604,7 +604,8 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
+ 	bd->bd_bh = NULL;
+ 	bd->bd_ops = &gfs2_revoke_lops;
+ 	sdp->sd_log_num_revoke++;
+-	atomic_inc(&gl->gl_revokes);
++	if (atomic_inc_return(&gl->gl_revokes) == 1)
++		gfs2_glock_hold(gl);
+ 	set_bit(GLF_LFLUSH, &gl->gl_flags);
+ 	list_add(&bd->bd_list, &sdp->sd_log_le_revoke);
+ }
+diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
+index f2567f958d00..8f99b395d7bf 100644
+--- a/fs/gfs2/lops.c
++++ b/fs/gfs2/lops.c
+@@ -662,8 +662,10 @@ static void revoke_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
+ 		bd = list_entry(head->next, struct gfs2_bufdata, bd_list);
+ 		list_del_init(&bd->bd_list);
+ 		gl = bd->bd_gl;
+-		atomic_dec(&gl->gl_revokes);
+-		clear_bit(GLF_LFLUSH, &gl->gl_flags);
++		if (atomic_dec_return(&gl->gl_revokes) == 0) {
++			clear_bit(GLF_LFLUSH, &gl->gl_flags);
++			gfs2_glock_queue_put(gl);
++		}
+ 		kmem_cache_free(gfs2_bufdata_cachep, bd);
+ 	}
+ }
+diff --git a/fs/internal.h b/fs/internal.h
+index d410186bc369..d109665b9e50 100644
+--- a/fs/internal.h
++++ b/fs/internal.h
+@@ -80,9 +80,7 @@ extern int sb_prepare_remount_readonly(struct super_block *);
+ 
+ extern void __init mnt_init(void);
+ 
+-extern int __mnt_want_write(struct vfsmount *);
+ extern int __mnt_want_write_file(struct file *);
+-extern void __mnt_drop_write(struct vfsmount *);
+ extern void __mnt_drop_write_file(struct file *);
+ 
+ /*
+diff --git a/fs/nfs/client.c b/fs/nfs/client.c
+index 751ca65da8a3..c092661147b3 100644
+--- a/fs/nfs/client.c
++++ b/fs/nfs/client.c
+@@ -290,6 +290,7 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat
+ 	struct nfs_client *clp;
+ 	const struct sockaddr *sap = data->addr;
+ 	struct nfs_net *nn = net_generic(data->net, nfs_net_id);
++	int error;
+ 
+ again:
+ 	list_for_each_entry(clp, &nn->nfs_client_list, cl_share_link) {
+@@ -302,9 +303,11 @@ again:
+ 		if (clp->cl_cons_state > NFS_CS_READY) {
+ 			refcount_inc(&clp->cl_count);
+ 			spin_unlock(&nn->nfs_client_lock);
+-			nfs_wait_client_init_complete(clp);
++			error = nfs_wait_client_init_complete(clp);
+ 			nfs_put_client(clp);
+ 			spin_lock(&nn->nfs_client_lock);
++			if (error < 0)
++				return ERR_PTR(error);
+ 			goto again;
+ 		}
+ 
+@@ -413,6 +416,8 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init)
+ 		clp = nfs_match_client(cl_init);
+ 		if (clp) {
+ 			spin_unlock(&nn->nfs_client_lock);
++			if (IS_ERR(clp))
++				return clp;
+ 			if (new)
+ 				new->rpc_ops->free_client(new);
+ 			return nfs_found_client(cl_init, clp);
+diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
+index fed06fd9998d..94f98e190e63 100644
+--- a/fs/nfs/nfs42proc.c
++++ b/fs/nfs/nfs42proc.c
+@@ -329,9 +329,6 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
+ 	};
+ 	ssize_t err, err2;
+ 
+-	if (!nfs_server_capable(file_inode(dst), NFS_CAP_COPY))
+-		return -EOPNOTSUPP;
+-
+ 	src_lock = nfs_get_lock_context(nfs_file_open_context(src));
+ 	if (IS_ERR(src_lock))
+ 		return PTR_ERR(src_lock);
+diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
+index 4288a6ecaf75..134858507268 100644
+--- a/fs/nfs/nfs4file.c
++++ b/fs/nfs/nfs4file.c
+@@ -133,15 +133,11 @@ static ssize_t nfs4_copy_file_range(struct file *file_in, loff_t pos_in,
+ 				    struct file *file_out, loff_t pos_out,
+ 				    size_t count, unsigned int flags)
+ {
+-	ssize_t ret;
+-
++	if (!nfs_server_capable(file_inode(file_out), NFS_CAP_COPY))
++		return -EOPNOTSUPP;
+ 	if (file_inode(file_in) == file_inode(file_out))
+-		return -EINVAL;
+-retry:
+-	ret = nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);
+-	if (ret == -EAGAIN)
+-		goto retry;
+-	return ret;
++		return -EOPNOTSUPP;
++	return nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count);
+ }
+ 
+ static loff_t nfs4_file_llseek(struct file *filep, loff_t offset, int whence)
+diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
+index b2aadd3e1fec..336f04da80ed 100644
+--- a/fs/overlayfs/dir.c
++++ b/fs/overlayfs/dir.c
+@@ -260,7 +260,7 @@ static int ovl_instantiate(struct dentry *dentry, struct inode *inode,
+ 		 * hashed directory inode aliases.
+ 		 */
+ 		inode = ovl_get_inode(dentry->d_sb, &oip);
+-		if (WARN_ON(IS_ERR(inode)))
++		if (IS_ERR(inode))
+ 			return PTR_ERR(inode);
+ 	} else {
+ 		WARN_ON(ovl_inode_real(inode) != d_inode(newdentry));
+diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
+index 3b7ed5d2279c..b48273e846ad 100644
+--- a/fs/overlayfs/inode.c
++++ b/fs/overlayfs/inode.c
+@@ -832,7 +832,7 @@ struct inode *ovl_get_inode(struct super_block *sb,
+ 	int fsid = bylower ? oip->lowerpath->layer->fsid : 0;
+ 	bool is_dir, metacopy = false;
+ 	unsigned long ino = 0;
+-	int err = -ENOMEM;
++	int err = oip->newinode ? -EEXIST : -ENOMEM;
+ 
+ 	if (!realinode)
+ 		realinode = d_inode(lowerdentry);
+@@ -917,6 +917,7 @@ out:
+ 	return inode;
+ 
+ out_err:
++	pr_warn_ratelimited("overlayfs: failed to get inode (%i)\n", err);
+ 	inode = ERR_PTR(err);
+ 	goto out;
+ }
+diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h
+index b8ba58861986..bcc98bd447f7 100644
+--- a/include/drm/tinydrm/mipi-dbi.h
++++ b/include/drm/tinydrm/mipi-dbi.h
+@@ -42,7 +42,7 @@ struct mipi_dbi {
+ 	struct spi_device *spi;
+ 	bool enabled;
+ 	struct mutex cmdlock;
+-	int (*command)(struct mipi_dbi *mipi, u8 cmd, u8 *param, size_t num);
++	int (*command)(struct mipi_dbi *mipi, u8 *cmd, u8 *param, size_t num);
+ 	const u8 *read_commands;
+ 	struct gpio_desc *dc;
+ 	u16 *tx_buf;
+@@ -79,6 +79,7 @@ u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len);
+ 
+ int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val);
+ int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len);
++int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len);
+ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
+ 		      struct drm_clip_rect *clip, bool swap);
+ /**
+@@ -96,7 +97,7 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
+ #define mipi_dbi_command(mipi, cmd, seq...) \
+ ({ \
+ 	u8 d[] = { seq }; \
+-	mipi_dbi_command_buf(mipi, cmd, d, ARRAY_SIZE(d)); \
++	mipi_dbi_command_stackbuf(mipi, cmd, d, ARRAY_SIZE(d)); \
+ })
+ 
+ #ifdef CONFIG_DEBUG_FS
+diff --git a/include/linux/bio.h b/include/linux/bio.h
+index 51371740d2a8..c7433a201171 100644
+--- a/include/linux/bio.h
++++ b/include/linux/bio.h
+@@ -257,7 +257,7 @@ static inline void bio_cnt_set(struct bio *bio, unsigned int count)
+ {
+ 	if (count != 1) {
+ 		bio->bi_flags |= (1 << BIO_REFFED);
+-		smp_mb__before_atomic();
++		smp_mb();
+ 	}
+ 	atomic_set(&bio->__bi_cnt, count);
+ }
+diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
+index 6002275937f5..a6090154b2ab 100644
+--- a/include/linux/cgroup-defs.h
++++ b/include/linux/cgroup-defs.h
+@@ -346,6 +346,11 @@ struct cgroup {
+ 	 * Dying cgroups are cgroups which were deleted by a user,
+ 	 * but are still existing because someone else is holding a reference.
+ 	 * max_descendants is a maximum allowed number of descent cgroups.
++	 *
++	 * nr_descendants and nr_dying_descendants are protected
++	 * by cgroup_mutex and css_set_lock. It's fine to read them holding
++	 * any of cgroup_mutex and css_set_lock; for writing both locks
++	 * should be held.
+ 	 */
+ 	int nr_descendants;
+ 	int nr_dying_descendants;
+diff --git a/include/linux/filter.h b/include/linux/filter.h
+index 037610845892..d52a7484aeb2 100644
+--- a/include/linux/filter.h
++++ b/include/linux/filter.h
+@@ -684,6 +684,7 @@ static inline void bpf_prog_unlock_ro(struct bpf_prog *fp)
+ static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
+ {
+ 	set_memory_ro((unsigned long)hdr, hdr->pages);
++	set_memory_x((unsigned long)hdr, hdr->pages);
+ }
+ 
+ static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr)
+@@ -836,6 +837,7 @@ bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk,
+ extern int bpf_jit_enable;
+ extern int bpf_jit_harden;
+ extern int bpf_jit_kallsyms;
++extern int bpf_jit_limit;
+ 
+ typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size);
+ 
+diff --git a/include/linux/genhd.h b/include/linux/genhd.h
+index f767293b00e6..f13272d84332 100644
+--- a/include/linux/genhd.h
++++ b/include/linux/genhd.h
+@@ -596,6 +596,7 @@ struct unixware_disklabel {
+ 
+ extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
+ extern void blk_free_devt(dev_t devt);
++extern void blk_invalidate_devt(dev_t devt);
+ extern dev_t blk_lookup_devt(const char *name, int partno);
+ extern char *disk_name (struct gendisk *hd, int partno, char *buf);
+ 
+diff --git a/include/linux/hid.h b/include/linux/hid.h
+index d44a78362942..8b3e5e8a72fb 100644
+--- a/include/linux/hid.h
++++ b/include/linux/hid.h
+@@ -414,6 +414,7 @@ struct hid_global {
+ 
+ struct hid_local {
+ 	unsigned usage[HID_MAX_USAGES]; /* usage array */
++	u8 usage_size[HID_MAX_USAGES]; /* usage size array */
+ 	unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
+ 	unsigned usage_index;
+ 	unsigned usage_minimum;
+diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h
+index 730ead1a46df..57c122ae5452 100644
+--- a/include/linux/iio/adc/ad_sigma_delta.h
++++ b/include/linux/iio/adc/ad_sigma_delta.h
+@@ -66,6 +66,7 @@ struct ad_sigma_delta {
+ 	bool			irq_dis;
+ 
+ 	bool			bus_locked;
++	bool			keep_cs_asserted;
+ 
+ 	uint8_t			comm;
+ 
+diff --git a/include/linux/mount.h b/include/linux/mount.h
+index 45b1f56c6c2f..4b0db4418954 100644
+--- a/include/linux/mount.h
++++ b/include/linux/mount.h
+@@ -86,6 +86,8 @@ extern bool mnt_may_suid(struct vfsmount *mnt);
+ 
+ struct path;
+ extern struct vfsmount *clone_private_mount(const struct path *path);
++extern int __mnt_want_write(struct vfsmount *);
++extern void __mnt_drop_write(struct vfsmount *);
+ 
+ struct file_system_type;
+ extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
+diff --git a/include/linux/overflow.h b/include/linux/overflow.h
+index 40b48e2133cb..15eb85de9226 100644
+--- a/include/linux/overflow.h
++++ b/include/linux/overflow.h
+@@ -36,6 +36,12 @@
+ #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
+ #define type_min(T) ((T)((T)-type_max(T)-(T)1))
+ 
++/*
++ * Avoids triggering -Wtype-limits compilation warning,
++ * while using unsigned data types to check a < 0.
++ */
++#define is_non_negative(a) ((a) > 0 || (a) == 0)
++#define is_negative(a) (!(is_non_negative(a)))
+ 
+ #ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW
+ /*
+@@ -227,10 +233,10 @@
+ 	typeof(d) _d = d;						\
+ 	u64 _a_full = _a;						\
+ 	unsigned int _to_shift =					\
+-		_s >= 0 && _s < 8 * sizeof(*d) ? _s : 0;		\
++		is_non_negative(_s) && _s < 8 * sizeof(*d) ? _s : 0;	\
+ 	*_d = (_a_full << _to_shift);					\
+-	(_to_shift != _s || *_d < 0 || _a < 0 ||			\
+-		(*_d >> _to_shift) != _a);				\
++	(_to_shift != _s || is_negative(*_d) || is_negative(_a) ||	\
++	(*_d >> _to_shift) != _a);					\
+ })
+ 
+ /**
+diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
+index d0884b525001..9d1bc65d226c 100644
+--- a/include/linux/smpboot.h
++++ b/include/linux/smpboot.h
+@@ -29,7 +29,7 @@ struct smpboot_thread_data;
+  * @thread_comm:	The base name of the thread
+  */
+ struct smp_hotplug_thread {
+-	struct task_struct __percpu	**store;
++	struct task_struct		* __percpu *store;
+ 	struct list_head		list;
+ 	int				(*thread_should_run)(unsigned int cpu);
+ 	void				(*thread_fn)(unsigned int cpu);
+diff --git a/include/linux/time64.h b/include/linux/time64.h
+index 05634afba0db..4a45aea0f96e 100644
+--- a/include/linux/time64.h
++++ b/include/linux/time64.h
+@@ -41,6 +41,17 @@ struct itimerspec64 {
+ #define KTIME_MAX			((s64)~((u64)1 << 63))
+ #define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
+ 
++/*
++ * Limits for settimeofday():
++ *
++ * To prevent setting the time close to the wraparound point time setting
++ * is limited so a reasonable uptime can be accomodated. Uptime of 30 years
++ * should be really sufficient, which means the cutoff is 2232. At that
++ * point the cutoff is just a small part of the larger problem.
++ */
++#define TIME_UPTIME_SEC_MAX		(30LL * 365 * 24 *3600)
++#define TIME_SETTOD_SEC_MAX		(KTIME_SEC_MAX - TIME_UPTIME_SEC_MAX)
++
+ static inline int timespec64_equal(const struct timespec64 *a,
+ 				   const struct timespec64 *b)
+ {
+@@ -108,6 +119,16 @@ static inline bool timespec64_valid_strict(const struct timespec64 *ts)
+ 	return true;
+ }
+ 
++static inline bool timespec64_valid_settod(const struct timespec64 *ts)
++{
++	if (!timespec64_valid(ts))
++		return false;
++	/* Disallow values which cause overflow issues vs. CLOCK_REALTIME */
++	if ((unsigned long long)ts->tv_sec >= TIME_SETTOD_SEC_MAX)
++		return false;
++	return true;
++}
++
+ /**
+  * timespec64_to_ns - Convert timespec64 to nanoseconds
+  * @ts:		pointer to the timespec64 variable to be converted
+diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
+index f6818f732f34..bddd86c11f5f 100644
+--- a/include/media/videobuf2-core.h
++++ b/include/media/videobuf2-core.h
+@@ -551,6 +551,7 @@ struct vb2_queue {
+ 	unsigned int			start_streaming_called:1;
+ 	unsigned int			error:1;
+ 	unsigned int			waiting_for_buffers:1;
++	unsigned int			waiting_in_dqbuf:1;
+ 	unsigned int			is_multiplanar:1;
+ 	unsigned int			is_output:1;
+ 	unsigned int			copy_timestamp:1;
+diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
+index cdd9f1fe7cfa..845d947dbae8 100644
+--- a/include/net/bluetooth/hci.h
++++ b/include/net/bluetooth/hci.h
+@@ -270,6 +270,7 @@ enum {
+ 	HCI_FORCE_BREDR_SMP,
+ 	HCI_FORCE_STATIC_ADDR,
+ 	HCI_LL_RPA_RESOLUTION,
++	HCI_CMD_PENDING,
+ 
+ 	__HCI_NUM_FLAGS,
+ };
+diff --git a/kernel/acct.c b/kernel/acct.c
+index addf7732fb56..81f9831a7859 100644
+--- a/kernel/acct.c
++++ b/kernel/acct.c
+@@ -227,7 +227,7 @@ static int acct_on(struct filename *pathname)
+ 		filp_close(file, NULL);
+ 		return PTR_ERR(internal);
+ 	}
+-	err = mnt_want_write(internal);
++	err = __mnt_want_write(internal);
+ 	if (err) {
+ 		mntput(internal);
+ 		kfree(acct);
+@@ -252,7 +252,7 @@ static int acct_on(struct filename *pathname)
+ 	old = xchg(&ns->bacct, &acct->pin);
+ 	mutex_unlock(&acct->lock);
+ 	pin_kill(old);
+-	mnt_drop_write(mnt);
++	__mnt_drop_write(mnt);
+ 	mntput(mnt);
+ 	return 0;
+ }
+diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
+index bf309f2592c4..425c67e4f568 100644
+--- a/kernel/auditfilter.c
++++ b/kernel/auditfilter.c
+@@ -1114,22 +1114,24 @@ int audit_rule_change(int type, int seq, void *data, size_t datasz)
+ 	int err = 0;
+ 	struct audit_entry *entry;
+ 
+-	entry = audit_data_to_entry(data, datasz);
+-	if (IS_ERR(entry))
+-		return PTR_ERR(entry);
+-
+ 	switch (type) {
+ 	case AUDIT_ADD_RULE:
++		entry = audit_data_to_entry(data, datasz);
++		if (IS_ERR(entry))
++			return PTR_ERR(entry);
+ 		err = audit_add_rule(entry);
+ 		audit_log_rule_change("add_rule", &entry->rule, !err);
+ 		break;
+ 	case AUDIT_DEL_RULE:
++		entry = audit_data_to_entry(data, datasz);
++		if (IS_ERR(entry))
++			return PTR_ERR(entry);
+ 		err = audit_del_rule(entry);
+ 		audit_log_rule_change("remove_rule", &entry->rule, !err);
+ 		break;
+ 	default:
+-		err = -EINVAL;
+ 		WARN_ON(1);
++		return -EINVAL;
+ 	}
+ 
+ 	if (err || type == AUDIT_DEL_RULE) {
+diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
+index 474525e3a9db..bad9985b8a08 100644
+--- a/kernel/bpf/core.c
++++ b/kernel/bpf/core.c
+@@ -366,10 +366,13 @@ void bpf_prog_kallsyms_del_all(struct bpf_prog *fp)
+ }
+ 
+ #ifdef CONFIG_BPF_JIT
++# define BPF_JIT_LIMIT_DEFAULT	(PAGE_SIZE * 40000)
++
+ /* All BPF JIT sysctl knobs here. */
+ int bpf_jit_enable   __read_mostly = IS_BUILTIN(CONFIG_BPF_JIT_ALWAYS_ON);
+ int bpf_jit_harden   __read_mostly;
+ int bpf_jit_kallsyms __read_mostly;
++int bpf_jit_limit    __read_mostly = BPF_JIT_LIMIT_DEFAULT;
+ 
+ static __always_inline void
+ bpf_get_prog_addr_region(const struct bpf_prog *prog,
+@@ -578,27 +581,64 @@ int bpf_get_kallsym(unsigned int symnum, unsigned long *value, char *type,
+ 	return ret;
+ }
+ 
++static atomic_long_t bpf_jit_current;
++
++#if defined(MODULES_VADDR)
++static int __init bpf_jit_charge_init(void)
++{
++	/* Only used as heuristic here to derive limit. */
++	bpf_jit_limit = min_t(u64, round_up((MODULES_END - MODULES_VADDR) >> 2,
++					    PAGE_SIZE), INT_MAX);
++	return 0;
++}
++pure_initcall(bpf_jit_charge_init);
++#endif
++
++static int bpf_jit_charge_modmem(u32 pages)
++{
++	if (atomic_long_add_return(pages, &bpf_jit_current) >
++	    (bpf_jit_limit >> PAGE_SHIFT)) {
++		if (!capable(CAP_SYS_ADMIN)) {
++			atomic_long_sub(pages, &bpf_jit_current);
++			return -EPERM;
++		}
++	}
++
++	return 0;
++}
++
++static void bpf_jit_uncharge_modmem(u32 pages)
++{
++	atomic_long_sub(pages, &bpf_jit_current);
++}
++
+ struct bpf_binary_header *
+ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
+ 		     unsigned int alignment,
+ 		     bpf_jit_fill_hole_t bpf_fill_ill_insns)
+ {
+ 	struct bpf_binary_header *hdr;
+-	unsigned int size, hole, start;
++	u32 size, hole, start, pages;
+ 
+ 	/* Most of BPF filters are really small, but if some of them
+ 	 * fill a page, allow at least 128 extra bytes to insert a
+ 	 * random section of illegal instructions.
+ 	 */
+ 	size = round_up(proglen + sizeof(*hdr) + 128, PAGE_SIZE);
++	pages = size / PAGE_SIZE;
++
++	if (bpf_jit_charge_modmem(pages))
++		return NULL;
+ 	hdr = module_alloc(size);
+-	if (hdr == NULL)
++	if (!hdr) {
++		bpf_jit_uncharge_modmem(pages);
+ 		return NULL;
++	}
+ 
+ 	/* Fill space with illegal/arch-dep instructions. */
+ 	bpf_fill_ill_insns(hdr, size);
+ 
+-	hdr->pages = size / PAGE_SIZE;
++	hdr->pages = pages;
+ 	hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)),
+ 		     PAGE_SIZE - sizeof(*hdr));
+ 	start = (get_random_int() % hole) & ~(alignment - 1);
+@@ -611,7 +651,10 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
+ 
+ void bpf_jit_binary_free(struct bpf_binary_header *hdr)
+ {
++	u32 pages = hdr->pages;
++
+ 	module_memfree(hdr);
++	bpf_jit_uncharge_modmem(pages);
+ }
+ 
+ /* This symbol is only overridden by archs that have different
+diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
+index 141710b82a6c..2faad033715f 100644
+--- a/kernel/bpf/devmap.c
++++ b/kernel/bpf/devmap.c
+@@ -164,6 +164,9 @@ static void dev_map_free(struct bpf_map *map)
+ 	bpf_clear_redirect_map(map);
+ 	synchronize_rcu();
+ 
++	/* Make sure prior __dev_map_entry_free() have completed. */
++	rcu_barrier();
++
+ 	/* To ensure all pending flush operations have completed wait for flush
+ 	 * bitmap to indicate all flush_needed bits to be zero on _all_ cpus.
+ 	 * Because the above synchronize_rcu() ensures the map is disconnected
+diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
+index 63dae7e0ccae..81441117f611 100644
+--- a/kernel/cgroup/cgroup.c
++++ b/kernel/cgroup/cgroup.c
+@@ -4659,9 +4659,11 @@ static void css_release_work_fn(struct work_struct *work)
+ 		if (cgroup_on_dfl(cgrp))
+ 			cgroup_rstat_flush(cgrp);
+ 
++		spin_lock_irq(&css_set_lock);
+ 		for (tcgrp = cgroup_parent(cgrp); tcgrp;
+ 		     tcgrp = cgroup_parent(tcgrp))
+ 			tcgrp->nr_dying_descendants--;
++		spin_unlock_irq(&css_set_lock);
+ 
+ 		cgroup_idr_remove(&cgrp->root->cgroup_idr, cgrp->id);
+ 		cgrp->id = -1;
+@@ -4874,12 +4876,14 @@ static struct cgroup *cgroup_create(struct cgroup *parent)
+ 	if (ret)
+ 		goto out_idr_free;
+ 
++	spin_lock_irq(&css_set_lock);
+ 	for (tcgrp = cgrp; tcgrp; tcgrp = cgroup_parent(tcgrp)) {
+ 		cgrp->ancestor_ids[tcgrp->level] = tcgrp->id;
+ 
+ 		if (tcgrp != cgrp)
+ 			tcgrp->nr_descendants++;
+ 	}
++	spin_unlock_irq(&css_set_lock);
+ 
+ 	if (notify_on_release(parent))
+ 		set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);
+@@ -5162,10 +5166,12 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
+ 	if (parent && cgroup_is_threaded(cgrp))
+ 		parent->nr_threaded_children--;
+ 
++	spin_lock_irq(&css_set_lock);
+ 	for (tcgrp = cgroup_parent(cgrp); tcgrp; tcgrp = cgroup_parent(tcgrp)) {
+ 		tcgrp->nr_descendants--;
+ 		tcgrp->nr_dying_descendants++;
+ 	}
++	spin_unlock_irq(&css_set_lock);
+ 
+ 	cgroup1_check_for_release(parent);
+ 
+diff --git a/kernel/irq_work.c b/kernel/irq_work.c
+index 6b7cdf17ccf8..73288914ed5e 100644
+--- a/kernel/irq_work.c
++++ b/kernel/irq_work.c
+@@ -56,61 +56,70 @@ void __weak arch_irq_work_raise(void)
+ 	 */
+ }
+ 
+-/*
+- * Enqueue the irq_work @work on @cpu unless it's already pending
+- * somewhere.
+- *
+- * Can be re-enqueued while the callback is still in progress.
+- */
+-bool irq_work_queue_on(struct irq_work *work, int cpu)
++/* Enqueue on current CPU, work must already be claimed and preempt disabled */
++static void __irq_work_queue_local(struct irq_work *work)
+ {
+-	/* All work should have been flushed before going offline */
+-	WARN_ON_ONCE(cpu_is_offline(cpu));
+-
+-#ifdef CONFIG_SMP
+-
+-	/* Arch remote IPI send/receive backend aren't NMI safe */
+-	WARN_ON_ONCE(in_nmi());
++	/* If the work is "lazy", handle it from next tick if any */
++	if (work->flags & IRQ_WORK_LAZY) {
++		if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) &&
++		    tick_nohz_tick_stopped())
++			arch_irq_work_raise();
++	} else {
++		if (llist_add(&work->llnode, this_cpu_ptr(&raised_list)))
++			arch_irq_work_raise();
++	}
++}
+ 
++/* Enqueue the irq work @work on the current CPU */
++bool irq_work_queue(struct irq_work *work)
++{
+ 	/* Only queue if not already pending */
+ 	if (!irq_work_claim(work))
+ 		return false;
+ 
+-	if (llist_add(&work->llnode, &per_cpu(raised_list, cpu)))
+-		arch_send_call_function_single_ipi(cpu);
+-
+-#else /* #ifdef CONFIG_SMP */
+-	irq_work_queue(work);
+-#endif /* #else #ifdef CONFIG_SMP */
++	/* Queue the entry and raise the IPI if needed. */
++	preempt_disable();
++	__irq_work_queue_local(work);
++	preempt_enable();
+ 
+ 	return true;
+ }
++EXPORT_SYMBOL_GPL(irq_work_queue);
+ 
+-/* Enqueue the irq work @work on the current CPU */
+-bool irq_work_queue(struct irq_work *work)
++/*
++ * Enqueue the irq_work @work on @cpu unless it's already pending
++ * somewhere.
++ *
++ * Can be re-enqueued while the callback is still in progress.
++ */
++bool irq_work_queue_on(struct irq_work *work, int cpu)
+ {
++#ifndef CONFIG_SMP
++	return irq_work_queue(work);
++
++#else /* CONFIG_SMP: */
++	/* All work should have been flushed before going offline */
++	WARN_ON_ONCE(cpu_is_offline(cpu));
++
+ 	/* Only queue if not already pending */
+ 	if (!irq_work_claim(work))
+ 		return false;
+ 
+-	/* Queue the entry and raise the IPI if needed. */
+ 	preempt_disable();
+-
+-	/* If the work is "lazy", handle it from next tick if any */
+-	if (work->flags & IRQ_WORK_LAZY) {
+-		if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) &&
+-		    tick_nohz_tick_stopped())
+-			arch_irq_work_raise();
++	if (cpu != smp_processor_id()) {
++		/* Arch remote IPI send/receive backend aren't NMI safe */
++		WARN_ON_ONCE(in_nmi());
++		if (llist_add(&work->llnode, &per_cpu(raised_list, cpu)))
++			arch_send_call_function_single_ipi(cpu);
+ 	} else {
+-		if (llist_add(&work->llnode, this_cpu_ptr(&raised_list)))
+-			arch_irq_work_raise();
++		__irq_work_queue_local(work);
+ 	}
+-
+ 	preempt_enable();
+ 
+ 	return true;
++#endif /* CONFIG_SMP */
+ }
+-EXPORT_SYMBOL_GPL(irq_work_queue);
++
+ 
+ bool irq_work_needs_cpu(void)
+ {
+diff --git a/kernel/module.c b/kernel/module.c
+index 38bf28b5cc20..f797c6ace712 100644
+--- a/kernel/module.c
++++ b/kernel/module.c
+@@ -1949,8 +1949,13 @@ void module_enable_ro(const struct module *mod, bool after_init)
+ 		return;
+ 
+ 	frob_text(&mod->core_layout, set_memory_ro);
++	frob_text(&mod->core_layout, set_memory_x);
++
+ 	frob_rodata(&mod->core_layout, set_memory_ro);
++
+ 	frob_text(&mod->init_layout, set_memory_ro);
++	frob_text(&mod->init_layout, set_memory_x);
++
+ 	frob_rodata(&mod->init_layout, set_memory_ro);
+ 
+ 	if (after_init)
+diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
+index 34244523550e..19249b86fb33 100644
+--- a/kernel/rcu/rcuperf.c
++++ b/kernel/rcu/rcuperf.c
+@@ -561,6 +561,10 @@ rcu_perf_cleanup(void)
+ 
+ 	if (torture_cleanup_begin())
+ 		return;
++	if (!cur_ops) {
++		torture_cleanup_end();
++		return;
++	}
+ 
+ 	if (reader_tasks) {
+ 		for (i = 0; i < nrealreaders; i++)
+@@ -681,6 +685,7 @@ rcu_perf_init(void)
+ 			pr_cont(" %s", perf_ops[i]->name);
+ 		pr_cont("\n");
+ 		firsterr = -EINVAL;
++		cur_ops = NULL;
+ 		goto unwind;
+ 	}
+ 	if (cur_ops->init)
+diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
+index c596c6f1e457..0b7af7e2bcbb 100644
+--- a/kernel/rcu/rcutorture.c
++++ b/kernel/rcu/rcutorture.c
+@@ -1826,6 +1826,10 @@ rcu_torture_cleanup(void)
+ 			cur_ops->cb_barrier();
+ 		return;
+ 	}
++	if (!cur_ops) {
++		torture_cleanup_end();
++		return;
++	}
+ 
+ 	rcu_torture_barrier_cleanup();
+ 	torture_stop_kthread(rcu_torture_stall, stall_task);
+@@ -1964,6 +1968,7 @@ rcu_torture_init(void)
+ 			pr_cont(" %s", torture_ops[i]->name);
+ 		pr_cont("\n");
+ 		firsterr = -EINVAL;
++		cur_ops = NULL;
+ 		goto unwind;
+ 	}
+ 	if (cur_ops->fqs == NULL && fqs_duration != 0) {
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index d7f409866cdf..6138754e5030 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -6491,6 +6491,8 @@ static void cpu_cgroup_attach(struct cgroup_taskset *tset)
+ static int cpu_shares_write_u64(struct cgroup_subsys_state *css,
+ 				struct cftype *cftype, u64 shareval)
+ {
++	if (shareval > scale_load_down(ULONG_MAX))
++		shareval = MAX_SHARES;
+ 	return sched_group_set_shares(css_tg(css), scale_load(shareval));
+ }
+ 
+@@ -6593,8 +6595,10 @@ int tg_set_cfs_quota(struct task_group *tg, long cfs_quota_us)
+ 	period = ktime_to_ns(tg->cfs_bandwidth.period);
+ 	if (cfs_quota_us < 0)
+ 		quota = RUNTIME_INF;
+-	else
++	else if ((u64)cfs_quota_us <= U64_MAX / NSEC_PER_USEC)
+ 		quota = (u64)cfs_quota_us * NSEC_PER_USEC;
++	else
++		return -EINVAL;
+ 
+ 	return tg_set_cfs_bandwidth(tg, period, quota);
+ }
+@@ -6616,6 +6620,9 @@ int tg_set_cfs_period(struct task_group *tg, long cfs_period_us)
+ {
+ 	u64 quota, period;
+ 
++	if ((u64)cfs_period_us > U64_MAX / NSEC_PER_USEC)
++		return -EINVAL;
++
+ 	period = (u64)cfs_period_us * NSEC_PER_USEC;
+ 	quota = tg->cfs_bandwidth.quota;
+ 
+diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
+index d31916366d39..7a1e9db617f7 100644
+--- a/kernel/sched/fair.c
++++ b/kernel/sched/fair.c
+@@ -9083,22 +9083,26 @@ static inline int on_null_domain(struct rq *rq)
+  * - When one of the busy CPUs notice that there may be an idle rebalancing
+  *   needed, they will kick the idle load balancer, which then does idle
+  *   load balancing for all the idle CPUs.
++ * - HK_FLAG_MISC CPUs are used for this task, because HK_FLAG_SCHED not set
++ *   anywhere yet.
+  */
+ 
+ static inline int find_new_ilb(void)
+ {
+-	int ilb = cpumask_first(nohz.idle_cpus_mask);
++	int ilb;
+ 
+-	if (ilb < nr_cpu_ids && idle_cpu(ilb))
+-		return ilb;
++	for_each_cpu_and(ilb, nohz.idle_cpus_mask,
++			      housekeeping_cpumask(HK_FLAG_MISC)) {
++		if (idle_cpu(ilb))
++			return ilb;
++	}
+ 
+ 	return nr_cpu_ids;
+ }
+ 
+ /*
+- * Kick a CPU to do the nohz balancing, if it is time for it. We pick the
+- * nohz_load_balancer CPU (if there is one) otherwise fallback to any idle
+- * CPU (if there is one).
++ * Kick a CPU to do the nohz balancing, if it is time for it. We pick any
++ * idle CPU in the HK_FLAG_MISC housekeeping set (if there is one).
+  */
+ static void kick_ilb(unsigned int flags)
+ {
+diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
+index 2e2955a8cf8f..b980cc96604f 100644
+--- a/kernel/sched/rt.c
++++ b/kernel/sched/rt.c
+@@ -2559,6 +2559,8 @@ int sched_group_set_rt_runtime(struct task_group *tg, long rt_runtime_us)
+ 	rt_runtime = (u64)rt_runtime_us * NSEC_PER_USEC;
+ 	if (rt_runtime_us < 0)
+ 		rt_runtime = RUNTIME_INF;
++	else if ((u64)rt_runtime_us > U64_MAX / NSEC_PER_USEC)
++		return -EINVAL;
+ 
+ 	return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);
+ }
+@@ -2579,6 +2581,9 @@ int sched_group_set_rt_period(struct task_group *tg, u64 rt_period_us)
+ {
+ 	u64 rt_runtime, rt_period;
+ 
++	if (rt_period_us > U64_MAX / NSEC_PER_USEC)
++		return -EINVAL;
++
+ 	rt_period = rt_period_us * NSEC_PER_USEC;
+ 	rt_runtime = tg->rt_bandwidth.rt_runtime;
+ 
+diff --git a/kernel/time/time.c b/kernel/time/time.c
+index ccdb351277ee..be057d6579f1 100644
+--- a/kernel/time/time.c
++++ b/kernel/time/time.c
+@@ -172,7 +172,7 @@ int do_sys_settimeofday64(const struct timespec64 *tv, const struct timezone *tz
+ 	static int firsttime = 1;
+ 	int error = 0;
+ 
+-	if (tv && !timespec64_valid(tv))
++	if (tv && !timespec64_valid_settod(tv))
+ 		return -EINVAL;
+ 
+ 	error = security_settime64(tv, tz);
+diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
+index 7846ce24ecc0..9a6bfcd22dc6 100644
+--- a/kernel/time/timekeeping.c
++++ b/kernel/time/timekeeping.c
+@@ -1242,7 +1242,7 @@ int do_settimeofday64(const struct timespec64 *ts)
+ 	unsigned long flags;
+ 	int ret = 0;
+ 
+-	if (!timespec64_valid_strict(ts))
++	if (!timespec64_valid_settod(ts))
+ 		return -EINVAL;
+ 
+ 	raw_spin_lock_irqsave(&timekeeper_lock, flags);
+@@ -1299,7 +1299,7 @@ static int timekeeping_inject_offset(const struct timespec64 *ts)
+ 	/* Make sure the proposed value is valid */
+ 	tmp = timespec64_add(tk_xtime(tk), *ts);
+ 	if (timespec64_compare(&tk->wall_to_monotonic, ts) > 0 ||
+-	    !timespec64_valid_strict(&tmp)) {
++	    !timespec64_valid_settod(&tmp)) {
+ 		ret = -EINVAL;
+ 		goto error;
+ 	}
+@@ -1556,7 +1556,7 @@ void __init timekeeping_init(void)
+ 	unsigned long flags;
+ 
+ 	read_persistent_wall_and_boot_offset(&wall_time, &boot_offset);
+-	if (timespec64_valid_strict(&wall_time) &&
++	if (timespec64_valid_settod(&wall_time) &&
+ 	    timespec64_to_ns(&wall_time) > 0) {
+ 		persistent_clock_exists = true;
+ 	} else if (timespec64_to_ns(&wall_time) != 0) {
+diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
+index 4ad967453b6f..3ea65cdff30d 100644
+--- a/kernel/trace/trace_branch.c
++++ b/kernel/trace/trace_branch.c
+@@ -205,6 +205,8 @@ void trace_likely_condition(struct ftrace_likely_data *f, int val, int expect)
+ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
+ 			  int expect, int is_constant)
+ {
++	unsigned long flags = user_access_save();
++
+ 	/* A constant is always correct */
+ 	if (is_constant) {
+ 		f->constant++;
+@@ -223,6 +225,8 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
+ 		f->data.correct++;
+ 	else
+ 		f->data.incorrect++;
++
++	user_access_restore(flags);
+ }
+ EXPORT_SYMBOL(ftrace_likely_update);
+ 
+diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
+index 63d0816ab23b..7761f3294339 100644
+--- a/lib/kobject_uevent.c
++++ b/lib/kobject_uevent.c
+@@ -464,6 +464,13 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
+ 	int i = 0;
+ 	int retval = 0;
+ 
++	/*
++	 * Mark "remove" event done regardless of result, for some subsystems
++	 * do not want to re-trigger "remove" event via automatic cleanup.
++	 */
++	if (action == KOBJ_REMOVE)
++		kobj->state_remove_uevent_sent = 1;
++
+ 	pr_debug("kobject: '%s' (%p): %s\n",
+ 		 kobject_name(kobj), kobj, __func__);
+ 
+@@ -565,10 +572,6 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
+ 		kobj->state_add_uevent_sent = 1;
+ 		break;
+ 
+-	case KOBJ_REMOVE:
+-		kobj->state_remove_uevent_sent = 1;
+-		break;
+-
+ 	case KOBJ_UNBIND:
+ 		zap_modalias_env(env);
+ 		break;
+diff --git a/lib/sbitmap.c b/lib/sbitmap.c
+index fdd1b8aa8ac6..0572ac340325 100644
+--- a/lib/sbitmap.c
++++ b/lib/sbitmap.c
+@@ -356,7 +356,7 @@ static void sbitmap_queue_update_wake_batch(struct sbitmap_queue *sbq,
+ 		 * to ensure that the batch size is updated before the wait
+ 		 * counts.
+ 		 */
+-		smp_mb__before_atomic();
++		smp_mb();
+ 		for (i = 0; i < SBQ_WAIT_QUEUES; i++)
+ 			atomic_set(&sbq->ws[i].wait_cnt, 1);
+ 	}
+diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
+index b53e1b5d80f4..e304b54c9c7d 100644
+--- a/lib/strncpy_from_user.c
++++ b/lib/strncpy_from_user.c
+@@ -23,10 +23,11 @@
+  * hit it), 'max' is the address space maximum (and we return
+  * -EFAULT if we hit it).
+  */
+-static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max)
++static inline long do_strncpy_from_user(char *dst, const char __user *src,
++					unsigned long count, unsigned long max)
+ {
+ 	const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
+-	long res = 0;
++	unsigned long res = 0;
+ 
+ 	/*
+ 	 * Truncate 'max' to the user-specified limit, so that
+diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
+index 60d0bbda8f5e..184f80f7bacf 100644
+--- a/lib/strnlen_user.c
++++ b/lib/strnlen_user.c
+@@ -28,7 +28,7 @@
+ static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max)
+ {
+ 	const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
+-	long align, res = 0;
++	unsigned long align, res = 0;
+ 	unsigned long c;
+ 
+ 	/*
+@@ -42,7 +42,7 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count,
+ 	 * Do everything aligned. But that means that we
+ 	 * need to also expand the maximum..
+ 	 */
+-	align = (sizeof(long) - 1) & (unsigned long)src;
++	align = (sizeof(unsigned long) - 1) & (unsigned long)src;
+ 	src -= align;
+ 	max += align;
+ 
+diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
+index a60bacf7120b..2895e3b26e93 100644
+--- a/net/batman-adv/distributed-arp-table.c
++++ b/net/batman-adv/distributed-arp-table.c
+@@ -1394,7 +1394,6 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
+ 			   hw_src, &ip_src, hw_dst, &ip_dst,
+ 			   dat_entry->mac_addr,	&dat_entry->ip);
+ 		dropped = true;
+-		goto out;
+ 	}
+ 
+ 	/* Update our internal cache with both the IP addresses the node got
+@@ -1403,6 +1402,9 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
+ 	batadv_dat_entry_add(bat_priv, ip_src, hw_src, vid);
+ 	batadv_dat_entry_add(bat_priv, ip_dst, hw_dst, vid);
+ 
++	if (dropped)
++		goto out;
++
+ 	/* If BLA is enabled, only forward ARP replies if we have claimed the
+ 	 * source of the ARP reply or if no one else of the same backbone has
+ 	 * already claimed that client. This prevents that different gateways
+diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
+index 69c0d85bceb3..79b8a2d8793e 100644
+--- a/net/batman-adv/main.c
++++ b/net/batman-adv/main.c
+@@ -160,6 +160,7 @@ int batadv_mesh_init(struct net_device *soft_iface)
+ 	spin_lock_init(&bat_priv->tt.commit_lock);
+ 	spin_lock_init(&bat_priv->gw.list_lock);
+ #ifdef CONFIG_BATMAN_ADV_MCAST
++	spin_lock_init(&bat_priv->mcast.mla_lock);
+ 	spin_lock_init(&bat_priv->mcast.want_lists_lock);
+ #endif
+ 	spin_lock_init(&bat_priv->tvlv.container_list_lock);
+diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
+index 86725d792e15..b90fe25d6b0b 100644
+--- a/net/batman-adv/multicast.c
++++ b/net/batman-adv/multicast.c
+@@ -325,8 +325,6 @@ static void batadv_mcast_mla_list_free(struct hlist_head *mcast_list)
+  * translation table except the ones listed in the given mcast_list.
+  *
+  * If mcast_list is NULL then all are retracted.
+- *
+- * Do not call outside of the mcast worker! (or cancel mcast worker first)
+  */
+ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
+ 					struct hlist_head *mcast_list)
+@@ -334,8 +332,6 @@ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
+ 	struct batadv_hw_addr *mcast_entry;
+ 	struct hlist_node *tmp;
+ 
+-	WARN_ON(delayed_work_pending(&bat_priv->mcast.work));
+-
+ 	hlist_for_each_entry_safe(mcast_entry, tmp, &bat_priv->mcast.mla_list,
+ 				  list) {
+ 		if (mcast_list &&
+@@ -359,8 +355,6 @@ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
+  *
+  * Adds multicast listener announcements from the given mcast_list to the
+  * translation table if they have not been added yet.
+- *
+- * Do not call outside of the mcast worker! (or cancel mcast worker first)
+  */
+ static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,
+ 				    struct hlist_head *mcast_list)
+@@ -368,8 +362,6 @@ static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,
+ 	struct batadv_hw_addr *mcast_entry;
+ 	struct hlist_node *tmp;
+ 
+-	WARN_ON(delayed_work_pending(&bat_priv->mcast.work));
+-
+ 	if (!mcast_list)
+ 		return;
+ 
+@@ -658,7 +650,10 @@ static void batadv_mcast_mla_update(struct work_struct *work)
+ 	priv_mcast = container_of(delayed_work, struct batadv_priv_mcast, work);
+ 	bat_priv = container_of(priv_mcast, struct batadv_priv, mcast);
+ 
++	spin_lock(&bat_priv->mcast.mla_lock);
+ 	__batadv_mcast_mla_update(bat_priv);
++	spin_unlock(&bat_priv->mcast.mla_lock);
++
+ 	batadv_mcast_start_timer(bat_priv);
+ }
+ 
+diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
+index 343d304851a5..eeee3e61c625 100644
+--- a/net/batman-adv/types.h
++++ b/net/batman-adv/types.h
+@@ -1215,6 +1215,11 @@ struct batadv_priv_mcast {
+ 	/** @bridged: whether the soft interface has a bridge on top */
+ 	unsigned char bridged:1;
+ 
++	/**
++	 * @mla_lock: a lock protecting mla_list and mla_flags
++	 */
++	spinlock_t mla_lock;
++
+ 	/**
+ 	 * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP
+ 	 *  traffic
+diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
+index a06f03047717..5afd67ef797a 100644
+--- a/net/bluetooth/hci_core.c
++++ b/net/bluetooth/hci_core.c
+@@ -4274,6 +4274,9 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
+ 		return;
+ 	}
+ 
++	/* If we reach this point this event matches the last command sent */
++	hci_dev_clear_flag(hdev, HCI_CMD_PENDING);
++
+ 	/* If the command succeeded and there's still more commands in
+ 	 * this request the request is not yet complete.
+ 	 */
+@@ -4384,6 +4387,8 @@ static void hci_cmd_work(struct work_struct *work)
+ 
+ 		hdev->sent_cmd = skb_clone(skb, GFP_KERNEL);
+ 		if (hdev->sent_cmd) {
++			if (hci_req_status_pend(hdev))
++				hci_dev_set_flag(hdev, HCI_CMD_PENDING);
+ 			atomic_dec(&hdev->cmd_cnt);
+ 			hci_send_frame(hdev, skb);
+ 			if (test_bit(HCI_RESET, &hdev->flags))
+diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
+index 7f800c3480f7..3e7badb3ac2d 100644
+--- a/net/bluetooth/hci_event.c
++++ b/net/bluetooth/hci_event.c
+@@ -3357,6 +3357,12 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
+ 	hci_req_cmd_complete(hdev, *opcode, *status, req_complete,
+ 			     req_complete_skb);
+ 
++	if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) {
++		bt_dev_err(hdev,
++			   "unexpected event for opcode 0x%4.4x", *opcode);
++		return;
++	}
++
+ 	if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
+ 		queue_work(hdev->workqueue, &hdev->cmd_work);
+ }
+@@ -3464,6 +3470,12 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb,
+ 		hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete,
+ 				     req_complete_skb);
+ 
++	if (hci_dev_test_flag(hdev, HCI_CMD_PENDING)) {
++		bt_dev_err(hdev,
++			   "unexpected event for opcode 0x%4.4x", *opcode);
++		return;
++	}
++
+ 	if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
+ 		queue_work(hdev->workqueue, &hdev->cmd_work);
+ }
+diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
+index e8c9ef1e1922..9448ebd3780a 100644
+--- a/net/bluetooth/hci_request.c
++++ b/net/bluetooth/hci_request.c
+@@ -46,6 +46,11 @@ void hci_req_purge(struct hci_request *req)
+ 	skb_queue_purge(&req->cmd_q);
+ }
+ 
++bool hci_req_status_pend(struct hci_dev *hdev)
++{
++	return hdev->req_status == HCI_REQ_PEND;
++}
++
+ static int req_run(struct hci_request *req, hci_req_complete_t complete,
+ 		   hci_req_complete_skb_t complete_skb)
+ {
+diff --git a/net/bluetooth/hci_request.h b/net/bluetooth/hci_request.h
+index 692cc8b13368..55b2050cc9ff 100644
+--- a/net/bluetooth/hci_request.h
++++ b/net/bluetooth/hci_request.h
+@@ -37,6 +37,7 @@ struct hci_request {
+ 
+ void hci_req_init(struct hci_request *req, struct hci_dev *hdev);
+ void hci_req_purge(struct hci_request *req);
++bool hci_req_status_pend(struct hci_dev *hdev);
+ int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
+ int hci_req_run_skb(struct hci_request *req, hci_req_complete_skb_t complete);
+ void hci_req_add(struct hci_request *req, u16 opcode, u32 plen,
+diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
+index b1a2c5e38530..37b4667128a3 100644
+--- a/net/core/sysctl_net_core.c
++++ b/net/core/sysctl_net_core.c
+@@ -279,7 +279,6 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write,
+ 	return ret;
+ }
+ 
+-# ifdef CONFIG_HAVE_EBPF_JIT
+ static int
+ proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write,
+ 				    void __user *buffer, size_t *lenp,
+@@ -290,7 +289,6 @@ proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write,
+ 
+ 	return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ }
+-# endif
+ #endif
+ 
+ static struct ctl_table net_core_table[] = {
+@@ -397,6 +395,14 @@ static struct ctl_table net_core_table[] = {
+ 		.extra2		= &one,
+ 	},
+ # endif
++	{
++		.procname	= "bpf_jit_limit",
++		.data		= &bpf_jit_limit,
++		.maxlen		= sizeof(int),
++		.mode		= 0600,
++		.proc_handler	= proc_dointvec_minmax_bpf_restricted,
++		.extra1		= &one,
++	},
+ #endif
+ 	{
+ 		.procname	= "netdev_tstamp_prequeue",
+diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
+index 3dbecae4be73..2ac749c4a6b2 100644
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1156,9 +1156,6 @@ static void ieee80211_chswitch_work(struct work_struct *work)
+ 		goto out;
+ 	}
+ 
+-	/* XXX: shouldn't really modify cfg80211-owned data! */
+-	ifmgd->associated->channel = sdata->csa_chandef.chan;
+-
+ 	ifmgd->csa_waiting_bcn = true;
+ 
+ 	ieee80211_sta_reset_beacon_monitor(sdata);
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index 048e004ed0ee..c6711ead5e59 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -15441,6 +15441,11 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
+ 
+ 	wdev->chandef = *chandef;
+ 	wdev->preset_chandef = *chandef;
++
++	if (wdev->iftype == NL80211_IFTYPE_STATION &&
++	    !WARN_ON(!wdev->current_bss))
++		wdev->current_bss->pub.channel = chandef->chan;
++
+ 	nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL,
+ 				 NL80211_CMD_CH_SWITCH_NOTIFY, 0);
+ }
+diff --git a/security/selinux/netlabel.c b/security/selinux/netlabel.c
+index 186e727b737b..6fd9954e1c08 100644
+--- a/security/selinux/netlabel.c
++++ b/security/selinux/netlabel.c
+@@ -288,11 +288,8 @@ int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
+ 	int rc;
+ 	struct netlbl_lsm_secattr secattr;
+ 	struct sk_security_struct *sksec = ep->base.sk->sk_security;
+-	struct sockaddr *addr;
+ 	struct sockaddr_in addr4;
+-#if IS_ENABLED(CONFIG_IPV6)
+ 	struct sockaddr_in6 addr6;
+-#endif
+ 
+ 	if (ep->base.sk->sk_family != PF_INET &&
+ 				ep->base.sk->sk_family != PF_INET6)
+@@ -310,16 +307,15 @@ int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
+ 	if (ip_hdr(skb)->version == 4) {
+ 		addr4.sin_family = AF_INET;
+ 		addr4.sin_addr.s_addr = ip_hdr(skb)->saddr;
+-		addr = (struct sockaddr *)&addr4;
+-#if IS_ENABLED(CONFIG_IPV6)
+-	} else {
++		rc = netlbl_conn_setattr(ep->base.sk, (void *)&addr4, &secattr);
++	} else if (IS_ENABLED(CONFIG_IPV6) && ip_hdr(skb)->version == 6) {
+ 		addr6.sin6_family = AF_INET6;
+ 		addr6.sin6_addr = ipv6_hdr(skb)->saddr;
+-		addr = (struct sockaddr *)&addr6;
+-#endif
++		rc = netlbl_conn_setattr(ep->base.sk, (void *)&addr6, &secattr);
++	} else {
++		rc = -EAFNOSUPPORT;
+ 	}
+ 
+-	rc = netlbl_conn_setattr(ep->base.sk, addr, &secattr);
+ 	if (rc == 0)
+ 		sksec->nlbl_state = NLBL_LABELED;
+ 
+diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
+index d5f73c837281..7994e8ddc7d2 100644
+--- a/sound/soc/codecs/hdmi-codec.c
++++ b/sound/soc/codecs/hdmi-codec.c
+@@ -439,8 +439,12 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream,
+ 		if (!ret) {
+ 			ret = snd_pcm_hw_constraint_eld(substream->runtime,
+ 							hcp->eld);
+-			if (ret)
++			if (ret) {
++				mutex_lock(&hcp->current_stream_lock);
++				hcp->current_stream = NULL;
++				mutex_unlock(&hcp->current_stream_lock);
+ 				return ret;
++			}
+ 		}
+ 		/* Select chmap supported */
+ 		hdmi_codec_eld_chmap(hcp);
+diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
+index f70db8412c7c..160b2764b2ad 100644
+--- a/sound/soc/davinci/davinci-mcasp.c
++++ b/sound/soc/davinci/davinci-mcasp.c
+@@ -43,6 +43,7 @@
+ 
+ #define MCASP_MAX_AFIFO_DEPTH	64
+ 
++#ifdef CONFIG_PM
+ static u32 context_regs[] = {
+ 	DAVINCI_MCASP_TXFMCTL_REG,
+ 	DAVINCI_MCASP_RXFMCTL_REG,
+@@ -65,6 +66,7 @@ struct davinci_mcasp_context {
+ 	u32	*xrsr_regs; /* for serializer configuration */
+ 	bool	pm_state;
+ };
++#endif
+ 
+ struct davinci_mcasp_ruledata {
+ 	struct davinci_mcasp *mcasp;
+diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
+index 2e75b5bc5f1d..f721cd4e3f97 100644
+--- a/sound/soc/fsl/Kconfig
++++ b/sound/soc/fsl/Kconfig
+@@ -173,16 +173,17 @@ config SND_MPC52xx_SOC_EFIKA
+ 
+ endif # SND_POWERPC_SOC
+ 
++config SND_SOC_IMX_PCM_FIQ
++	tristate
++	default y if SND_SOC_IMX_SSI=y && (SND_SOC_FSL_SSI=m || SND_SOC_FSL_SPDIF=m) && (MXC_TZIC || MXC_AVIC)
++	select FIQ
++
+ if SND_IMX_SOC
+ 
+ config SND_SOC_IMX_SSI
+ 	tristate
+ 	select SND_SOC_FSL_UTILS
+ 
+-config SND_SOC_IMX_PCM_FIQ
+-	tristate
+-	select FIQ
+-
+ comment "SoC Audio support for Freescale i.MX boards:"
+ 
+ config SND_MXC_SOC_WM1133_EV1
+diff --git a/sound/soc/fsl/eukrea-tlv320.c b/sound/soc/fsl/eukrea-tlv320.c
+index 191426a6d9ad..30a3d68b5c03 100644
+--- a/sound/soc/fsl/eukrea-tlv320.c
++++ b/sound/soc/fsl/eukrea-tlv320.c
+@@ -118,13 +118,13 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
+ 		if (ret) {
+ 			dev_err(&pdev->dev,
+ 				"fsl,mux-int-port node missing or invalid.\n");
+-			return ret;
++			goto err;
+ 		}
+ 		ret = of_property_read_u32(np, "fsl,mux-ext-port", &ext_port);
+ 		if (ret) {
+ 			dev_err(&pdev->dev,
+ 				"fsl,mux-ext-port node missing or invalid.\n");
+-			return ret;
++			goto err;
+ 		}
+ 
+ 		/*
+diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
+index 4163f2cfc06f..bfc5b21d0c3f 100644
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -268,12 +268,14 @@ static int fsl_sai_set_dai_fmt_tr(struct snd_soc_dai *cpu_dai,
+ 	case SND_SOC_DAIFMT_CBS_CFS:
+ 		val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
+ 		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
++		sai->is_slave_mode = false;
+ 		break;
+ 	case SND_SOC_DAIFMT_CBM_CFM:
+ 		sai->is_slave_mode = true;
+ 		break;
+ 	case SND_SOC_DAIFMT_CBS_CFM:
+ 		val_cr2 |= FSL_SAI_CR2_BCD_MSTR;
++		sai->is_slave_mode = false;
+ 		break;
+ 	case SND_SOC_DAIFMT_CBM_CFS:
+ 		val_cr4 |= FSL_SAI_CR4_FSD_MSTR;
+diff --git a/sound/soc/fsl/fsl_utils.c b/sound/soc/fsl/fsl_utils.c
+index 7f0fa4b52223..cca33ab7020a 100644
+--- a/sound/soc/fsl/fsl_utils.c
++++ b/sound/soc/fsl/fsl_utils.c
+@@ -71,6 +71,7 @@ int fsl_asoc_get_dma_channel(struct device_node *ssi_np,
+ 	iprop = of_get_property(dma_np, "cell-index", NULL);
+ 	if (!iprop) {
+ 		of_node_put(dma_np);
++		of_node_put(dma_channel_np);
+ 		return -EINVAL;
+ 	}
+ 	*dma_id = be32_to_cpup(iprop);
+diff --git a/sound/soc/intel/boards/kbl_da7219_max98357a.c b/sound/soc/intel/boards/kbl_da7219_max98357a.c
+index 38f6ab74709d..07491a0f8fb8 100644
+--- a/sound/soc/intel/boards/kbl_da7219_max98357a.c
++++ b/sound/soc/intel/boards/kbl_da7219_max98357a.c
+@@ -188,7 +188,7 @@ static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
+ 
+ 	jack = &ctx->kabylake_headset;
+ 
+-	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
++	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+ 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+diff --git a/tools/bpf/bpftool/.gitignore b/tools/bpf/bpftool/.gitignore
+index 67167e44b726..8248b8dd89d4 100644
+--- a/tools/bpf/bpftool/.gitignore
++++ b/tools/bpf/bpftool/.gitignore
+@@ -1,5 +1,5 @@
+ *.d
+-bpftool
++/bpftool
+ bpftool*.8
+ bpf-helpers.*
+ FEATURE-DUMP.bpftool
+diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
+index 7a0014794bff..dd0b68d1f4be 100644
+--- a/tools/lib/bpf/bpf.c
++++ b/tools/lib/bpf/bpf.c
+@@ -53,6 +53,8 @@
+ #  define __NR_bpf 349
+ # elif defined(__s390__)
+ #  define __NR_bpf 351
++# elif defined(__arc__)
++#  define __NR_bpf 280
+ # else
+ #  error __NR_bpf not defined. libbpf does not support your arch.
+ # endif
+diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
+index 6f38164b2618..c3145ab3bdca 100644
+--- a/tools/lib/bpf/bpf.h
++++ b/tools/lib/bpf/bpf.h
+@@ -26,6 +26,7 @@
+ #include <linux/bpf.h>
+ #include <stdbool.h>
+ #include <stddef.h>
++#include <stdint.h>
+ 
+ struct bpf_create_map_attr {
+ 	const char *name;
+diff --git a/tools/testing/selftests/bpf/test_libbpf_open.c b/tools/testing/selftests/bpf/test_libbpf_open.c
+index 8fcd1c076add..cbd55f5f8d59 100644
+--- a/tools/testing/selftests/bpf/test_libbpf_open.c
++++ b/tools/testing/selftests/bpf/test_libbpf_open.c
+@@ -11,6 +11,8 @@ static const char *__doc__ =
+ #include <bpf/libbpf.h>
+ #include <getopt.h>
+ 
++#include "bpf_rlimit.h"
++
+ static const struct option long_options[] = {
+ 	{"help",	no_argument,		NULL, 'h' },
+ 	{"debug",	no_argument,		NULL, 'D' },
+diff --git a/tools/testing/selftests/bpf/trace_helpers.c b/tools/testing/selftests/bpf/trace_helpers.c
+index cabe2a3a3b30..cf156b353679 100644
+--- a/tools/testing/selftests/bpf/trace_helpers.c
++++ b/tools/testing/selftests/bpf/trace_helpers.c
+@@ -51,6 +51,10 @@ struct ksym *ksym_search(long key)
+ 	int start = 0, end = sym_cnt;
+ 	int result;
+ 
++	/* kallsyms not loaded. return NULL */
++	if (sym_cnt <= 0)
++		return NULL;
++
+ 	while (start < end) {
+ 		size_t mid = start + (end - start) / 2;
+ 
+diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
+index 28d321ba311b..6f339882a6ca 100644
+--- a/tools/testing/selftests/cgroup/test_memcontrol.c
++++ b/tools/testing/selftests/cgroup/test_memcontrol.c
+@@ -26,7 +26,7 @@
+  */
+ static int test_memcg_subtree_control(const char *root)
+ {
+-	char *parent, *child, *parent2, *child2;
++	char *parent, *child, *parent2 = NULL, *child2 = NULL;
+ 	int ret = KSFT_FAIL;
+ 	char buf[PAGE_SIZE];
+ 
+@@ -34,50 +34,54 @@ static int test_memcg_subtree_control(const char *root)
+ 	parent = cg_name(root, "memcg_test_0");
+ 	child = cg_name(root, "memcg_test_0/memcg_test_1");
+ 	if (!parent || !child)
+-		goto cleanup;
++		goto cleanup_free;
+ 
+ 	if (cg_create(parent))
+-		goto cleanup;
++		goto cleanup_free;
+ 
+ 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))
+-		goto cleanup;
++		goto cleanup_parent;
+ 
+ 	if (cg_create(child))
+-		goto cleanup;
++		goto cleanup_parent;
+ 
+ 	if (cg_read_strstr(child, "cgroup.controllers", "memory"))
+-		goto cleanup;
++		goto cleanup_child;
+ 
+ 	/* Create two nested cgroups without enabling memory controller */
+ 	parent2 = cg_name(root, "memcg_test_1");
+ 	child2 = cg_name(root, "memcg_test_1/memcg_test_1");
+ 	if (!parent2 || !child2)
+-		goto cleanup;
++		goto cleanup_free2;
+ 
+ 	if (cg_create(parent2))
+-		goto cleanup;
++		goto cleanup_free2;
+ 
+ 	if (cg_create(child2))
+-		goto cleanup;
++		goto cleanup_parent2;
+ 
+ 	if (cg_read(child2, "cgroup.controllers", buf, sizeof(buf)))
+-		goto cleanup;
++		goto cleanup_all;
+ 
+ 	if (!cg_read_strstr(child2, "cgroup.controllers", "memory"))
+-		goto cleanup;
++		goto cleanup_all;
+ 
+ 	ret = KSFT_PASS;
+ 
+-cleanup:
+-	cg_destroy(child);
+-	cg_destroy(parent);
+-	free(parent);
+-	free(child);
+-
++cleanup_all:
+ 	cg_destroy(child2);
++cleanup_parent2:
+ 	cg_destroy(parent2);
++cleanup_free2:
+ 	free(parent2);
+ 	free(child2);
++cleanup_child:
++	cg_destroy(child);
++cleanup_parent:
++	cg_destroy(parent);
++cleanup_free:
++	free(parent);
++	free(child);
+ 
+ 	return ret;
+ }