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

[Mike Pagano]

commit:     f0242eaa0eed2447119f316e38a8949bdcb03e26
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Jun 30 14:25:14 2021 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Jun 30 14:25:14 2021 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=f0242eaa

Linux patch 4.19.196

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

 0000_README               |    4 +
 1195_linux-4.19.196.patch | 3617 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 3621 insertions(+)

diff --git a/0000_README b/0000_README
index 3d05639..2009bef 100644
--- a/0000_README
+++ b/0000_README
@@ -819,6 +819,10 @@ Patch:  1194_linux-4.19.195.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.19.195
 
+Patch:  1195_linux-4.19.196.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.19.196
+
 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/1195_linux-4.19.196.patch b/1195_linux-4.19.196.patch
new file mode 100644
index 0000000..ad359a6
--- /dev/null
+++ b/1195_linux-4.19.196.patch
@@ -0,0 +1,3617 @@
+diff --git a/Documentation/vm/slub.rst b/Documentation/vm/slub.rst
+index 3a775fd64e2db..3602959d5f92b 100644
+--- a/Documentation/vm/slub.rst
++++ b/Documentation/vm/slub.rst
+@@ -154,7 +154,7 @@ SLUB Debug output
+ Here is a sample of slub debug output::
+ 
+  ====================================================================
+- BUG kmalloc-8: Redzone overwritten
++ BUG kmalloc-8: Right Redzone overwritten
+  --------------------------------------------------------------------
+ 
+  INFO: 0xc90f6d28-0xc90f6d2b. First byte 0x00 instead of 0xcc
+@@ -162,10 +162,10 @@ Here is a sample of slub debug output::
+  INFO: Object 0xc90f6d20 @offset=3360 fp=0xc90f6d58
+  INFO: Allocated in get_modalias+0x61/0xf5 age=53 cpu=1 pid=554
+ 
+- Bytes b4 0xc90f6d10:  00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
+-   Object 0xc90f6d20:  31 30 31 39 2e 30 30 35                         1019.005
+-  Redzone 0xc90f6d28:  00 cc cc cc                                     .
+-  Padding 0xc90f6d50:  5a 5a 5a 5a 5a 5a 5a 5a                         ZZZZZZZZ
++ Bytes b4 (0xc90f6d10): 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
++ Object   (0xc90f6d20): 31 30 31 39 2e 30 30 35                         1019.005
++ Redzone  (0xc90f6d28): 00 cc cc cc                                     .
++ Padding  (0xc90f6d50): 5a 5a 5a 5a 5a 5a 5a 5a                         ZZZZZZZZ
+ 
+    [<c010523d>] dump_trace+0x63/0x1eb
+    [<c01053df>] show_trace_log_lvl+0x1a/0x2f
+diff --git a/Makefile b/Makefile
+index 9ff7a4b7b8cbd..63b0bc92a0fa6 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 195
++SUBLEVEL = 196
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+@@ -716,12 +716,11 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
+ # See modpost pattern 2
+ KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
+ KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
+-else
++endif
+ 
+ # These warnings generated too much noise in a regular build.
+ # Use make W=1 to enable them (see scripts/Makefile.extrawarn)
+ KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
+-endif
+ 
+ KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
+ ifdef CONFIG_FRAME_POINTER
+diff --git a/arch/arc/include/uapi/asm/sigcontext.h b/arch/arc/include/uapi/asm/sigcontext.h
+index 95f8a4380e110..7a5449dfcb290 100644
+--- a/arch/arc/include/uapi/asm/sigcontext.h
++++ b/arch/arc/include/uapi/asm/sigcontext.h
+@@ -18,6 +18,7 @@
+  */
+ struct sigcontext {
+ 	struct user_regs_struct regs;
++	struct user_regs_arcv2 v2abi;
+ };
+ 
+ #endif /* _ASM_ARC_SIGCONTEXT_H */
+diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
+index da243420bcb58..68901f6f18bab 100644
+--- a/arch/arc/kernel/signal.c
++++ b/arch/arc/kernel/signal.c
+@@ -64,6 +64,41 @@ struct rt_sigframe {
+ 	unsigned int sigret_magic;
+ };
+ 
++static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
++{
++	int err = 0;
++#ifndef CONFIG_ISA_ARCOMPACT
++	struct user_regs_arcv2 v2abi;
++
++	v2abi.r30 = regs->r30;
++#ifdef CONFIG_ARC_HAS_ACCL_REGS
++	v2abi.r58 = regs->r58;
++	v2abi.r59 = regs->r59;
++#else
++	v2abi.r58 = v2abi.r59 = 0;
++#endif
++	err = __copy_to_user(&mctx->v2abi, &v2abi, sizeof(v2abi));
++#endif
++	return err;
++}
++
++static int restore_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs)
++{
++	int err = 0;
++#ifndef CONFIG_ISA_ARCOMPACT
++	struct user_regs_arcv2 v2abi;
++
++	err = __copy_from_user(&v2abi, &mctx->v2abi, sizeof(v2abi));
++
++	regs->r30 = v2abi.r30;
++#ifdef CONFIG_ARC_HAS_ACCL_REGS
++	regs->r58 = v2abi.r58;
++	regs->r59 = v2abi.r59;
++#endif
++#endif
++	return err;
++}
++
+ static int
+ stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs,
+ 	       sigset_t *set)
+@@ -97,6 +132,10 @@ stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs,
+ 
+ 	err = __copy_to_user(&(sf->uc.uc_mcontext.regs.scratch), &uregs.scratch,
+ 			     sizeof(sf->uc.uc_mcontext.regs.scratch));
++
++	if (is_isa_arcv2())
++		err |= save_arcv2_regs(&(sf->uc.uc_mcontext), regs);
++
+ 	err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t));
+ 
+ 	return err ? -EFAULT : 0;
+@@ -112,6 +151,10 @@ static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf)
+ 	err |= __copy_from_user(&uregs.scratch,
+ 				&(sf->uc.uc_mcontext.regs.scratch),
+ 				sizeof(sf->uc.uc_mcontext.regs.scratch));
++
++	if (is_isa_arcv2())
++		err |= restore_arcv2_regs(&(sf->uc.uc_mcontext), regs);
++
+ 	if (err)
+ 		return -EFAULT;
+ 
+diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
+index 7bbaa293a38ce..95db057ed2fab 100644
+--- a/arch/arm/kernel/setup.c
++++ b/arch/arm/kernel/setup.c
+@@ -547,9 +547,11 @@ void notrace cpu_init(void)
+ 	 * In Thumb-2, msr with an immediate value is not allowed.
+ 	 */
+ #ifdef CONFIG_THUMB2_KERNEL
+-#define PLC	"r"
++#define PLC_l	"l"
++#define PLC_r	"r"
+ #else
+-#define PLC	"I"
++#define PLC_l	"I"
++#define PLC_r	"I"
+ #endif
+ 
+ 	/*
+@@ -571,15 +573,15 @@ void notrace cpu_init(void)
+ 	"msr	cpsr_c, %9"
+ 	    :
+ 	    : "r" (stk),
+-	      PLC (PSR_F_BIT | PSR_I_BIT | IRQ_MODE),
++	      PLC_r (PSR_F_BIT | PSR_I_BIT | IRQ_MODE),
+ 	      "I" (offsetof(struct stack, irq[0])),
+-	      PLC (PSR_F_BIT | PSR_I_BIT | ABT_MODE),
++	      PLC_r (PSR_F_BIT | PSR_I_BIT | ABT_MODE),
+ 	      "I" (offsetof(struct stack, abt[0])),
+-	      PLC (PSR_F_BIT | PSR_I_BIT | UND_MODE),
++	      PLC_r (PSR_F_BIT | PSR_I_BIT | UND_MODE),
+ 	      "I" (offsetof(struct stack, und[0])),
+-	      PLC (PSR_F_BIT | PSR_I_BIT | FIQ_MODE),
++	      PLC_r (PSR_F_BIT | PSR_I_BIT | FIQ_MODE),
+ 	      "I" (offsetof(struct stack, fiq[0])),
+-	      PLC (PSR_F_BIT | PSR_I_BIT | SVC_MODE)
++	      PLC_l (PSR_F_BIT | PSR_I_BIT | SVC_MODE)
+ 	    : "r14");
+ #endif
+ }
+diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
+index 75bc18646df66..902e9df9b8bbb 100644
+--- a/arch/arm/mach-omap2/board-n8x0.c
++++ b/arch/arm/mach-omap2/board-n8x0.c
+@@ -325,6 +325,7 @@ static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
+ 
+ static void n8x0_mmc_callback(void *data, u8 card_mask)
+ {
++#ifdef CONFIG_MMC_OMAP
+ 	int bit, *openp, index;
+ 
+ 	if (board_is_n800()) {
+@@ -342,7 +343,6 @@ static void n8x0_mmc_callback(void *data, u8 card_mask)
+ 	else
+ 		*openp = 0;
+ 
+-#ifdef CONFIG_MMC_OMAP
+ 	omap_mmc_notify_cover_event(mmc_device, index, *openp);
+ #else
+ 	pr_warn("MMC: notify cover event not available\n");
+diff --git a/arch/mips/generic/board-boston.its.S b/arch/mips/generic/board-boston.its.S
+index a7f51f97b9102..c45ad27594218 100644
+--- a/arch/mips/generic/board-boston.its.S
++++ b/arch/mips/generic/board-boston.its.S
+@@ -1,22 +1,22 @@
+ / {
+ 	images {
+-		fdt@boston {
++		fdt-boston {
+ 			description = "img,boston Device Tree";
+ 			data = /incbin/("boot/dts/img/boston.dtb");
+ 			type = "flat_dt";
+ 			arch = "mips";
+ 			compression = "none";
+-			hash@0 {
++			hash {
+ 				algo = "sha1";
+ 			};
+ 		};
+ 	};
+ 
+ 	configurations {
+-		conf@boston {
++		conf-boston {
+ 			description = "Boston Linux kernel";
+-			kernel = "kernel@0";
+-			fdt = "fdt@boston";
++			kernel = "kernel";
++			fdt = "fdt-boston";
+ 		};
+ 	};
+ };
+diff --git a/arch/mips/generic/board-ni169445.its.S b/arch/mips/generic/board-ni169445.its.S
+index e4cb4f95a8cc1..0a2e8f7a8526f 100644
+--- a/arch/mips/generic/board-ni169445.its.S
++++ b/arch/mips/generic/board-ni169445.its.S
+@@ -1,22 +1,22 @@
+ / {
+ 	images {
+-		fdt@ni169445 {
++		fdt-ni169445 {
+ 			description = "NI 169445 device tree";
+ 			data = /incbin/("boot/dts/ni/169445.dtb");
+ 			type = "flat_dt";
+ 			arch = "mips";
+ 			compression = "none";
+-			hash@0 {
++			hash {
+ 				algo = "sha1";
+ 			};
+ 		};
+ 	};
+ 
+ 	configurations {
+-		conf@ni169445 {
++		conf-ni169445 {
+ 			description = "NI 169445 Linux Kernel";
+-			kernel = "kernel@0";
+-			fdt = "fdt@ni169445";
++			kernel = "kernel";
++			fdt = "fdt-ni169445";
+ 		};
+ 	};
+ };
+diff --git a/arch/mips/generic/board-xilfpga.its.S b/arch/mips/generic/board-xilfpga.its.S
+index a2e773d3f14f4..08c1e900eb4ed 100644
+--- a/arch/mips/generic/board-xilfpga.its.S
++++ b/arch/mips/generic/board-xilfpga.its.S
+@@ -1,22 +1,22 @@
+ / {
+ 	images {
+-		fdt@xilfpga {
++		fdt-xilfpga {
+ 			description = "MIPSfpga (xilfpga) Device Tree";
+ 			data = /incbin/("boot/dts/xilfpga/nexys4ddr.dtb");
+ 			type = "flat_dt";
+ 			arch = "mips";
+ 			compression = "none";
+-			hash@0 {
++			hash {
+ 				algo = "sha1";
+ 			};
+ 		};
+ 	};
+ 
+ 	configurations {
+-		conf@xilfpga {
++		conf-xilfpga {
+ 			description = "MIPSfpga Linux kernel";
+-			kernel = "kernel@0";
+-			fdt = "fdt@xilfpga";
++			kernel = "kernel";
++			fdt = "fdt-xilfpga";
+ 		};
+ 	};
+ };
+diff --git a/arch/mips/generic/vmlinux.its.S b/arch/mips/generic/vmlinux.its.S
+index 1a08438fd8930..3e254676540f4 100644
+--- a/arch/mips/generic/vmlinux.its.S
++++ b/arch/mips/generic/vmlinux.its.S
+@@ -6,7 +6,7 @@
+ 	#address-cells = <ADDR_CELLS>;
+ 
+ 	images {
+-		kernel@0 {
++		kernel {
+ 			description = KERNEL_NAME;
+ 			data = /incbin/(VMLINUX_BINARY);
+ 			type = "kernel";
+@@ -15,18 +15,18 @@
+ 			compression = VMLINUX_COMPRESSION;
+ 			load = /bits/ ADDR_BITS <VMLINUX_LOAD_ADDRESS>;
+ 			entry = /bits/ ADDR_BITS <VMLINUX_ENTRY_ADDRESS>;
+-			hash@0 {
++			hash {
+ 				algo = "sha1";
+ 			};
+ 		};
+ 	};
+ 
+ 	configurations {
+-		default = "conf@default";
++		default = "conf-default";
+ 
+-		conf@default {
++		conf-default {
+ 			description = "Generic Linux kernel";
+-			kernel = "kernel@0";
++			kernel = "kernel";
+ 		};
+ 	};
+ };
+diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
+index d99a8ee9e185e..86a231338bbfe 100644
+--- a/arch/x86/kernel/fpu/signal.c
++++ b/arch/x86/kernel/fpu/signal.c
+@@ -272,6 +272,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
+ 	int state_size = fpu_kernel_xstate_size;
+ 	u64 xfeatures = 0;
+ 	int fx_only = 0;
++	int ret = 0;
+ 
+ 	ia32_fxstate &= (IS_ENABLED(CONFIG_X86_32) ||
+ 			 IS_ENABLED(CONFIG_IA32_EMULATION));
+@@ -281,15 +282,21 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
+ 		return 0;
+ 	}
+ 
+-	if (!access_ok(VERIFY_READ, buf, size))
+-		return -EACCES;
++	if (!access_ok(VERIFY_READ, buf, size)) {
++		ret = -EACCES;
++		goto out_err;
++	}
+ 
+ 	fpu__initialize(fpu);
+ 
+-	if (!static_cpu_has(X86_FEATURE_FPU))
+-		return fpregs_soft_set(current, NULL,
+-				       0, sizeof(struct user_i387_ia32_struct),
+-				       NULL, buf) != 0;
++	if (!static_cpu_has(X86_FEATURE_FPU)) {
++		ret = fpregs_soft_set(current, NULL,
++				      0, sizeof(struct user_i387_ia32_struct),
++				      NULL, buf) != 0;
++		if (ret)
++			goto out_err;
++		return 0;
++	}
+ 
+ 	if (use_xsave()) {
+ 		struct _fpx_sw_bytes fx_sw_user;
+@@ -349,6 +356,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
+ 		fpu__restore(fpu);
+ 		local_bh_enable();
+ 
++		/* Failure is already handled */
+ 		return err;
+ 	} else {
+ 		/*
+@@ -356,13 +364,14 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
+ 		 * state to the registers directly (with exceptions handled).
+ 		 */
+ 		user_fpu_begin();
+-		if (copy_user_to_fpregs_zeroing(buf_fx, xfeatures, fx_only)) {
+-			fpu__clear(fpu);
+-			return -1;
+-		}
++		if (!copy_user_to_fpregs_zeroing(buf_fx, xfeatures, fx_only))
++			return 0;
++		ret = -1;
+ 	}
+ 
+-	return 0;
++out_err:
++	fpu__clear(fpu);
++	return ret;
+ }
+ 
+ static inline int xstate_sigframe_size(void)
+diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
+index 0c67a5a94de30..76959a7d88c82 100644
+--- a/arch/x86/pci/fixup.c
++++ b/arch/x86/pci/fixup.c
+@@ -779,4 +779,48 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, 0x1571, pci_amd_enable_64bit_bar);
+ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, 0x15b1, pci_amd_enable_64bit_bar);
+ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, 0x1601, pci_amd_enable_64bit_bar);
+ 
++#define RS690_LOWER_TOP_OF_DRAM2	0x30
++#define RS690_LOWER_TOP_OF_DRAM2_VALID	0x1
++#define RS690_UPPER_TOP_OF_DRAM2	0x31
++#define RS690_HTIU_NB_INDEX		0xA8
++#define RS690_HTIU_NB_INDEX_WR_ENABLE	0x100
++#define RS690_HTIU_NB_DATA		0xAC
++
++/*
++ * Some BIOS implementations support RAM above 4GB, but do not configure the
++ * PCI host to respond to bus master accesses for these addresses. These
++ * implementations set the TOP_OF_DRAM_SLOT1 register correctly, so PCI DMA
++ * works as expected for addresses below 4GB.
++ *
++ * Reference: "AMD RS690 ASIC Family Register Reference Guide" (pg. 2-57)
++ * https://www.amd.com/system/files/TechDocs/43372_rs690_rrg_3.00o.pdf
++ */
++static void rs690_fix_64bit_dma(struct pci_dev *pdev)
++{
++	u32 val = 0;
++	phys_addr_t top_of_dram = __pa(high_memory - 1) + 1;
++
++	if (top_of_dram <= (1ULL << 32))
++		return;
++
++	pci_write_config_dword(pdev, RS690_HTIU_NB_INDEX,
++				RS690_LOWER_TOP_OF_DRAM2);
++	pci_read_config_dword(pdev, RS690_HTIU_NB_DATA, &val);
++
++	if (val)
++		return;
++
++	pci_info(pdev, "Adjusting top of DRAM to %pa for 64-bit DMA support\n", &top_of_dram);
++
++	pci_write_config_dword(pdev, RS690_HTIU_NB_INDEX,
++		RS690_UPPER_TOP_OF_DRAM2 | RS690_HTIU_NB_INDEX_WR_ENABLE);
++	pci_write_config_dword(pdev, RS690_HTIU_NB_DATA, top_of_dram >> 32);
++
++	pci_write_config_dword(pdev, RS690_HTIU_NB_INDEX,
++		RS690_LOWER_TOP_OF_DRAM2 | RS690_HTIU_NB_INDEX_WR_ENABLE);
++	pci_write_config_dword(pdev, RS690_HTIU_NB_DATA,
++		top_of_dram | RS690_LOWER_TOP_OF_DRAM2_VALID);
++}
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7910, rs690_fix_64bit_dma);
++
+ #endif
+diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
+index a4f95574eb9ad..52dd4bd7c2098 100644
+--- a/drivers/dma/Kconfig
++++ b/drivers/dma/Kconfig
+@@ -58,6 +58,7 @@ config DMA_OF
+ #devices
+ config ALTERA_MSGDMA
+ 	tristate "Altera / Intel mSGDMA Engine"
++	depends on HAS_IOMEM
+ 	select DMA_ENGINE
+ 	help
+ 	  Enable support for Altera / Intel mSGDMA controller.
+diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
+index 15b30d2d8f7ed..8166305052946 100644
+--- a/drivers/dma/pl330.c
++++ b/drivers/dma/pl330.c
+@@ -2671,13 +2671,15 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(
+ 	for (i = 0; i < len / period_len; i++) {
+ 		desc = pl330_get_desc(pch);
+ 		if (!desc) {
++			unsigned long iflags;
++
+ 			dev_err(pch->dmac->ddma.dev, "%s:%d Unable to fetch desc\n",
+ 				__func__, __LINE__);
+ 
+ 			if (!first)
+ 				return NULL;
+ 
+-			spin_lock_irqsave(&pl330->pool_lock, flags);
++			spin_lock_irqsave(&pl330->pool_lock, iflags);
+ 
+ 			while (!list_empty(&first->node)) {
+ 				desc = list_entry(first->node.next,
+@@ -2687,7 +2689,7 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic(
+ 
+ 			list_move_tail(&first->node, &pl330->desc_pool);
+ 
+-			spin_unlock_irqrestore(&pl330->pool_lock, flags);
++			spin_unlock_irqrestore(&pl330->pool_lock, iflags);
+ 
+ 			return NULL;
+ 		}
+diff --git a/drivers/dma/qcom/Kconfig b/drivers/dma/qcom/Kconfig
+index a7761c4025f41..a97c7123d913c 100644
+--- a/drivers/dma/qcom/Kconfig
++++ b/drivers/dma/qcom/Kconfig
+@@ -9,6 +9,7 @@ config QCOM_BAM_DMA
+ 
+ config QCOM_HIDMA_MGMT
+ 	tristate "Qualcomm Technologies HIDMA Management support"
++	depends on HAS_IOMEM
+ 	select DMA_ENGINE
+ 	help
+ 	  Enable support for the Qualcomm Technologies HIDMA Management.
+diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
+index 3d55405c49cac..e588dc5daaa80 100644
+--- a/drivers/dma/ste_dma40.c
++++ b/drivers/dma/ste_dma40.c
+@@ -3663,6 +3663,9 @@ static int __init d40_probe(struct platform_device *pdev)
+ 
+ 	kfree(base->lcla_pool.base_unaligned);
+ 
++	if (base->lcpa_base)
++		iounmap(base->lcpa_base);
++
+ 	if (base->phy_lcpa)
+ 		release_mem_region(base->phy_lcpa,
+ 				   base->lcpa_size);
+diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
+index 1fefc93af1d78..bbfce7b9d03e1 100644
+--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
++++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
+@@ -98,7 +98,22 @@ int nouveau_gem_prime_pin(struct drm_gem_object *obj)
+ 	if (ret)
+ 		return -EINVAL;
+ 
+-	return 0;
++	ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
++	if (ret)
++		goto error;
++
++	if (nvbo->bo.moving)
++		ret = dma_fence_wait(nvbo->bo.moving, true);
++
++	ttm_bo_unreserve(&nvbo->bo);
++	if (ret)
++		goto error;
++
++	return ret;
++
++error:
++	nouveau_bo_unpin(nvbo);
++	return ret;
+ }
+ 
+ void nouveau_gem_prime_unpin(struct drm_gem_object *obj)
+diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
+index 7110d403322c4..c138e07f51a3e 100644
+--- a/drivers/gpu/drm/radeon/radeon_prime.c
++++ b/drivers/gpu/drm/radeon/radeon_prime.c
+@@ -92,9 +92,19 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj)
+ 
+ 	/* pin buffer into GTT */
+ 	ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL);
+-	if (likely(ret == 0))
+-		bo->prime_shared_count++;
+-
++	if (unlikely(ret))
++		goto error;
++
++	if (bo->tbo.moving) {
++		ret = dma_fence_wait(bo->tbo.moving, false);
++		if (unlikely(ret)) {
++			radeon_bo_unpin(bo);
++			goto error;
++		}
++	}
++
++	bo->prime_shared_count++;
++error:
+ 	radeon_bo_unreserve(bo);
+ 	return ret;
+ }
+diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
+index 95f4db70dd223..fde9c69ecc869 100644
+--- a/drivers/gpu/drm/radeon/radeon_uvd.c
++++ b/drivers/gpu/drm/radeon/radeon_uvd.c
+@@ -286,7 +286,7 @@ int radeon_uvd_resume(struct radeon_device *rdev)
+ 	if (rdev->uvd.vcpu_bo == NULL)
+ 		return -EINVAL;
+ 
+-	memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size);
++	memcpy_toio((void __iomem *)rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size);
+ 
+ 	size = radeon_bo_size(rdev->uvd.vcpu_bo);
+ 	size -= rdev->uvd_fw->size;
+@@ -294,7 +294,7 @@ int radeon_uvd_resume(struct radeon_device *rdev)
+ 	ptr = rdev->uvd.cpu_addr;
+ 	ptr += rdev->uvd_fw->size;
+ 
+-	memset(ptr, 0, size);
++	memset_io((void __iomem *)ptr, 0, size);
+ 
+ 	return 0;
+ }
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index 9b66eb1d42c2d..acbbc21e62338 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -1823,6 +1823,9 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
+ 	case BUS_I2C:
+ 		bus = "I2C";
+ 		break;
++	case BUS_VIRTUAL:
++		bus = "VIRTUAL";
++		break;
+ 	default:
+ 		bus = "<UNKNOWN>";
+ 	}
+diff --git a/drivers/hid/hid-gt683r.c b/drivers/hid/hid-gt683r.c
+index a298fbd8db6b9..8ca4c1baeda89 100644
+--- a/drivers/hid/hid-gt683r.c
++++ b/drivers/hid/hid-gt683r.c
+@@ -64,6 +64,7 @@ static const struct hid_device_id gt683r_led_id[] = {
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
+ 	{ }
+ };
++MODULE_DEVICE_TABLE(hid, gt683r_led_id);
+ 
+ static void gt683r_brightness_set(struct led_classdev *led_cdev,
+ 				enum led_brightness brightness)
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 75342f3dfb863..ee5dce862a215 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -999,6 +999,7 @@
+ #define USB_DEVICE_ID_SAITEK_X52	0x075c
+ #define USB_DEVICE_ID_SAITEK_X52_2	0x0255
+ #define USB_DEVICE_ID_SAITEK_X52_PRO	0x0762
++#define USB_DEVICE_ID_SAITEK_X65	0x0b6a
+ 
+ #define USB_VENDOR_ID_SAMSUNG		0x0419
+ #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE	0x0001
+diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
+index 8fbe7b9cd84a3..48e9761d4ace9 100644
+--- a/drivers/hid/hid-quirks.c
++++ b/drivers/hid/hid-quirks.c
+@@ -155,6 +155,7 @@ static const struct hid_device_id hid_quirks[] = {
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52_2), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52_PRO), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
++	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X65), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE },
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD2), HID_QUIRK_NO_INIT_REPORTS },
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD), HID_QUIRK_NO_INIT_REPORTS },
+ 	{ HID_USB_DEVICE(USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB), HID_QUIRK_NOGET },
+diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
+index 21fbdcde1faa1..ef62f36ebcf90 100644
+--- a/drivers/hid/hid-sensor-hub.c
++++ b/drivers/hid/hid-sensor-hub.c
+@@ -223,16 +223,21 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
+ 	buffer_size = buffer_size / sizeof(__s32);
+ 	if (buffer_size) {
+ 		for (i = 0; i < buffer_size; ++i) {
+-			hid_set_field(report->field[field_index], i,
+-				      (__force __s32)cpu_to_le32(*buf32));
++			ret = hid_set_field(report->field[field_index], i,
++					    (__force __s32)cpu_to_le32(*buf32));
++			if (ret)
++				goto done_proc;
++
+ 			++buf32;
+ 		}
+ 	}
+ 	if (remaining_bytes) {
+ 		value = 0;
+ 		memcpy(&value, (u8 *)buf32, remaining_bytes);
+-		hid_set_field(report->field[field_index], i,
+-			      (__force __s32)cpu_to_le32(value));
++		ret = hid_set_field(report->field[field_index], i,
++				    (__force __s32)cpu_to_le32(value));
++		if (ret)
++			goto done_proc;
+ 	}
+ 	hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT);
+ 	hid_hw_wait(hsdev->hdev);
+diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
+index 1e6f8b0d00fb6..6b6db57b49d69 100644
+--- a/drivers/hid/usbhid/hid-core.c
++++ b/drivers/hid/usbhid/hid-core.c
+@@ -377,7 +377,7 @@ static int hid_submit_ctrl(struct hid_device *hid)
+ 	raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report;
+ 	dir = usbhid->ctrl[usbhid->ctrltail].dir;
+ 
+-	len = ((report->size - 1) >> 3) + 1 + (report->id > 0);
++	len = hid_report_len(report);
+ 	if (dir == USB_DIR_OUT) {
+ 		usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0);
+ 		usbhid->urbctrl->transfer_buffer_length = len;
+diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c
+index 7e49da50bc69b..562f3e287297a 100644
+--- a/drivers/hwmon/scpi-hwmon.c
++++ b/drivers/hwmon/scpi-hwmon.c
+@@ -107,6 +107,15 @@ scpi_show_sensor(struct device *dev, struct device_attribute *attr, char *buf)
+ 
+ 	scpi_scale_reading(&value, sensor);
+ 
++	/*
++	 * Temperature sensor values are treated as signed values based on
++	 * observation even though that is not explicitly specified, and
++	 * because an unsigned u64 temperature does not really make practical
++	 * sense especially when the temperature is below zero degrees Celsius.
++	 */
++	if (sensor->info.class == TEMPERATURE)
++		return sprintf(buf, "%lld\n", (s64)value);
++
+ 	return sprintf(buf, "%llu\n", value);
+ }
+ 
+diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c
+index d848cf5152349..3fe21397a4f6b 100644
+--- a/drivers/i2c/busses/i2c-robotfuzz-osif.c
++++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c
+@@ -86,7 +86,7 @@ static int osif_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
+ 			}
+ 		}
+ 
+-		ret = osif_usb_read(adapter, OSIFI2C_STOP, 0, 0, NULL, 0);
++		ret = osif_usb_write(adapter, OSIFI2C_STOP, 0, 0, NULL, 0);
+ 		if (ret) {
+ 			dev_err(&adapter->dev, "failure sending STOP\n");
+ 			return -EREMOTEIO;
+@@ -156,7 +156,7 @@ static int osif_probe(struct usb_interface *interface,
+ 	 * Set bus frequency. The frequency is:
+ 	 * 120,000,000 / ( 16 + 2 * div * 4^prescale).
+ 	 * Using dev = 52, prescale = 0 give 100KHz */
+-	ret = osif_usb_read(&priv->adapter, OSIFI2C_SET_BIT_RATE, 52, 0,
++	ret = osif_usb_write(&priv->adapter, OSIFI2C_SET_BIT_RATE, 52, 0,
+ 			    NULL, 0);
+ 	if (ret) {
+ 		dev_err(&interface->dev, "failure sending bit rate");
+diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
+index 94d5ce9419ca6..81ec17b9c49cf 100644
+--- a/drivers/net/caif/caif_serial.c
++++ b/drivers/net/caif/caif_serial.c
+@@ -360,6 +360,7 @@ static int ldisc_open(struct tty_struct *tty)
+ 	rtnl_lock();
+ 	result = register_netdevice(dev);
+ 	if (result) {
++		tty_kref_put(tty);
+ 		rtnl_unlock();
+ 		free_netdev(dev);
+ 		return -ENODEV;
+diff --git a/drivers/net/can/usb/mcba_usb.c b/drivers/net/can/usb/mcba_usb.c
+index 896f5b0227295..3215ba69a9e75 100644
+--- a/drivers/net/can/usb/mcba_usb.c
++++ b/drivers/net/can/usb/mcba_usb.c
+@@ -93,6 +93,8 @@ struct mcba_priv {
+ 	bool can_ka_first_pass;
+ 	bool can_speed_check;
+ 	atomic_t free_ctx_cnt;
++	void *rxbuf[MCBA_MAX_RX_URBS];
++	dma_addr_t rxbuf_dma[MCBA_MAX_RX_URBS];
+ };
+ 
+ /* CAN frame */
+@@ -644,6 +646,7 @@ static int mcba_usb_start(struct mcba_priv *priv)
+ 	for (i = 0; i < MCBA_MAX_RX_URBS; i++) {
+ 		struct urb *urb = NULL;
+ 		u8 *buf;
++		dma_addr_t buf_dma;
+ 
+ 		/* create a URB, and a buffer for it */
+ 		urb = usb_alloc_urb(0, GFP_KERNEL);
+@@ -653,7 +656,7 @@ static int mcba_usb_start(struct mcba_priv *priv)
+ 		}
+ 
+ 		buf = usb_alloc_coherent(priv->udev, MCBA_USB_RX_BUFF_SIZE,
+-					 GFP_KERNEL, &urb->transfer_dma);
++					 GFP_KERNEL, &buf_dma);
+ 		if (!buf) {
+ 			netdev_err(netdev, "No memory left for USB buffer\n");
+ 			usb_free_urb(urb);
+@@ -672,11 +675,14 @@ static int mcba_usb_start(struct mcba_priv *priv)
+ 		if (err) {
+ 			usb_unanchor_urb(urb);
+ 			usb_free_coherent(priv->udev, MCBA_USB_RX_BUFF_SIZE,
+-					  buf, urb->transfer_dma);
++					  buf, buf_dma);
+ 			usb_free_urb(urb);
+ 			break;
+ 		}
+ 
++		priv->rxbuf[i] = buf;
++		priv->rxbuf_dma[i] = buf_dma;
++
+ 		/* Drop reference, USB core will take care of freeing it */
+ 		usb_free_urb(urb);
+ 	}
+@@ -719,7 +725,14 @@ static int mcba_usb_open(struct net_device *netdev)
+ 
+ static void mcba_urb_unlink(struct mcba_priv *priv)
+ {
++	int i;
++
+ 	usb_kill_anchored_urbs(&priv->rx_submitted);
++
++	for (i = 0; i < MCBA_MAX_RX_URBS; ++i)
++		usb_free_coherent(priv->udev, MCBA_USB_RX_BUFF_SIZE,
++				  priv->rxbuf[i], priv->rxbuf_dma[i]);
++
+ 	usb_kill_anchored_urbs(&priv->tx_submitted);
+ }
+ 
+diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
+index d83ad06bf1991..54bfe9d84ecd1 100644
+--- a/drivers/net/ethernet/atheros/alx/main.c
++++ b/drivers/net/ethernet/atheros/alx/main.c
+@@ -1855,6 +1855,7 @@ out_free_netdev:
+ 	free_netdev(netdev);
+ out_pci_release:
+ 	pci_release_mem_regions(pdev);
++	pci_disable_pcie_error_reporting(pdev);
+ out_pci_disable:
+ 	pci_disable_device(pdev);
+ 	return err;
+diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c
+index d71cba0842c5a..59dc20020c738 100644
+--- a/drivers/net/ethernet/ec_bhf.c
++++ b/drivers/net/ethernet/ec_bhf.c
+@@ -585,10 +585,12 @@ static void ec_bhf_remove(struct pci_dev *dev)
+ 	struct ec_bhf_priv *priv = netdev_priv(net_dev);
+ 
+ 	unregister_netdev(net_dev);
+-	free_netdev(net_dev);
+ 
+ 	pci_iounmap(dev, priv->dma_io);
+ 	pci_iounmap(dev, priv->io);
++
++	free_netdev(net_dev);
++
+ 	pci_release_regions(dev);
+ 	pci_clear_master(dev);
+ 	pci_disable_device(dev);
+diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
+index 3fe6a28027fe1..05cb2f7cc35c3 100644
+--- a/drivers/net/ethernet/emulex/benet/be_main.c
++++ b/drivers/net/ethernet/emulex/benet/be_main.c
+@@ -6029,6 +6029,7 @@ drv_cleanup:
+ unmap_bars:
+ 	be_unmap_pci_bars(adapter);
+ free_netdev:
++	pci_disable_pcie_error_reporting(pdev);
+ 	free_netdev(netdev);
+ rel_reg:
+ 	pci_release_regions(pdev);
+diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
+index 09a762eb4f09e..52a811f913846 100644
+--- a/drivers/net/ethernet/freescale/fec_ptp.c
++++ b/drivers/net/ethernet/freescale/fec_ptp.c
+@@ -220,15 +220,13 @@ static u64 fec_ptp_read(const struct cyclecounter *cc)
+ {
+ 	struct fec_enet_private *fep =
+ 		container_of(cc, struct fec_enet_private, cc);
+-	const struct platform_device_id *id_entry =
+-		platform_get_device_id(fep->pdev);
+ 	u32 tempval;
+ 
+ 	tempval = readl(fep->hwp + FEC_ATIME_CTRL);
+ 	tempval |= FEC_T_CTRL_CAPTURE;
+ 	writel(tempval, fep->hwp + FEC_ATIME_CTRL);
+ 
+-	if (id_entry->driver_data & FEC_QUIRK_BUG_CAPTURE)
++	if (fep->quirks & FEC_QUIRK_BUG_CAPTURE)
+ 		udelay(1);
+ 
+ 	return readl(fep->hwp + FEC_ATIME);
+@@ -599,6 +597,10 @@ void fec_ptp_init(struct platform_device *pdev, int irq_idx)
+ 	fep->ptp_caps.enable = fec_ptp_enable;
+ 
+ 	fep->cycle_speed = clk_get_rate(fep->clk_ptp);
++	if (!fep->cycle_speed) {
++		fep->cycle_speed = NSEC_PER_SEC;
++		dev_err(&fep->pdev->dev, "clk_ptp clock rate is zero\n");
++	}
+ 	fep->ptp_inc = NSEC_PER_SEC / fep->cycle_speed;
+ 
+ 	spin_lock_init(&fep->tmreg_lock);
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+index cf58c96379047..c467f5e981f61 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+@@ -515,9 +515,6 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv)
+ 	struct mlx5_core_dev *mdev = priv->mdev;
+ 	struct net_device *netdev = priv->netdev;
+ 
+-	if (!priv->ipsec)
+-		return;
+-
+ 	if (!(mlx5_accel_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_ESP) ||
+ 	    !MLX5_CAP_ETH(mdev, swp)) {
+ 		mlx5_core_dbg(mdev, "mlx5e: ESP and SWP offload not supported\n");
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+index 51edc507b7b5d..9003702892cda 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+@@ -4679,11 +4679,8 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
+ 	}
+ 
+ 	if (mlx5_vxlan_allowed(mdev->vxlan)) {
+-		netdev->hw_features     |= NETIF_F_GSO_UDP_TUNNEL |
+-					   NETIF_F_GSO_UDP_TUNNEL_CSUM;
+-		netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL |
+-					   NETIF_F_GSO_UDP_TUNNEL_CSUM;
+-		netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM;
++		netdev->hw_features     |= NETIF_F_GSO_UDP_TUNNEL;
++		netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
+ 	}
+ 
+ 	if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) {
+diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+index 6789eed78ff70..3bc570c46f81c 100644
+--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
++++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+@@ -3853,6 +3853,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+ 		dev_err(&pdev->dev,
+ 			"invalid sram_size %dB or board span %ldB\n",
+ 			mgp->sram_size, mgp->board_span);
++		status = -EINVAL;
+ 		goto abort_with_ioremap;
+ 	}
+ 	memcpy_fromio(mgp->eeprom_strings,
+diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+index 42b99b1826163..a331ad406e7ab 100644
+--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
++++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+@@ -1618,6 +1618,8 @@ err_out_free_netdev:
+ 	free_netdev(netdev);
+ 
+ err_out_free_res:
++	if (NX_IS_REVISION_P3(pdev->revision))
++		pci_disable_pcie_error_reporting(pdev);
+ 	pci_release_regions(pdev);
+ 
+ err_out_disable_pdev:
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+index 5900a506bf8df..ff8a7750d3c0d 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+@@ -1294,9 +1294,11 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
+ 		p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
+ 
+ 	p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
++	BUILD_BUG_ON(sizeof(dcbx_info->operational.params) !=
++		     sizeof(p_hwfn->p_dcbx_info->set.config.params));
+ 	memcpy(&p_hwfn->p_dcbx_info->set.config.params,
+ 	       &dcbx_info->operational.params,
+-	       sizeof(struct qed_dcbx_admin_params));
++	       sizeof(p_hwfn->p_dcbx_info->set.config.params));
+ 	p_hwfn->p_dcbx_info->set.config.valid = true;
+ 
+ 	memcpy(params, &p_hwfn->p_dcbx_info->set, sizeof(struct qed_dcbx_set));
+diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+index ed34b7d1a9e11..43920374beae2 100644
+--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
++++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+@@ -2708,6 +2708,7 @@ err_out_free_hw_res:
+ 	kfree(ahw);
+ 
+ err_out_free_res:
++	pci_disable_pcie_error_reporting(pdev);
+ 	pci_release_regions(pdev);
+ 
+ err_out_disable_pdev:
+diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
+index 0c9e6cb0e3418..523626f2ffbeb 100644
+--- a/drivers/net/ethernet/realtek/r8169.c
++++ b/drivers/net/ethernet/realtek/r8169.c
+@@ -1823,7 +1823,7 @@ static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+ {
+ 	switch(stringset) {
+ 	case ETH_SS_STATS:
+-		memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
++		memcpy(data, rtl8169_gstrings, sizeof(rtl8169_gstrings));
+ 		break;
+ 	}
+ }
+diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
+index 24638cb157ca2..394ab9cdfe2c7 100644
+--- a/drivers/net/ethernet/renesas/sh_eth.c
++++ b/drivers/net/ethernet/renesas/sh_eth.c
+@@ -2302,7 +2302,7 @@ static void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
+ {
+ 	switch (stringset) {
+ 	case ETH_SS_STATS:
+-		memcpy(data, *sh_eth_gstrings_stats,
++		memcpy(data, sh_eth_gstrings_stats,
+ 		       sizeof(sh_eth_gstrings_stats));
+ 		break;
+ 	}
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h
+index 184ca13c8f790..1a84cf459e400 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h
+@@ -86,10 +86,10 @@ enum power_event {
+ #define LPI_CTRL_STATUS_TLPIEN	0x00000001	/* Transmit LPI Entry */
+ 
+ /* GMAC HW ADDR regs */
+-#define GMAC_ADDR_HIGH(reg)	(((reg > 15) ? 0x00000800 : 0x00000040) + \
+-				(reg * 8))
+-#define GMAC_ADDR_LOW(reg)	(((reg > 15) ? 0x00000804 : 0x00000044) + \
+-				(reg * 8))
++#define GMAC_ADDR_HIGH(reg)	((reg > 15) ? 0x00000800 + (reg - 16) * 8 : \
++				 0x00000040 + (reg * 8))
++#define GMAC_ADDR_LOW(reg)	((reg > 15) ? 0x00000804 + (reg - 16) * 8 : \
++				 0x00000044 + (reg * 8))
+ #define GMAC_MAX_PERFECT_ADDRESSES	1
+ 
+ #define GMAC_PCS_BASE		0x000000c0	/* PCS register base */
+diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
+index 2241f98970926..939de185bc6b8 100644
+--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
++++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
+@@ -736,6 +736,11 @@ temac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+ 	/* Kick off the transfer */
+ 	lp->dma_out(lp, TX_TAILDESC_PTR, tail_p); /* DMA start */
+ 
++	if (temac_check_tx_bd_space(lp, MAX_SKB_FRAGS + 1)) {
++		netdev_info(ndev, "%s -> netif_stop_queue\n", __func__);
++		netif_stop_queue(ndev);
++	}
++
+ 	return NETDEV_TX_OK;
+ }
+ 
+diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
+index 3b14e6e281d43..940aa7a19f50b 100644
+--- a/drivers/net/hamradio/mkiss.c
++++ b/drivers/net/hamradio/mkiss.c
+@@ -810,6 +810,7 @@ static void mkiss_close(struct tty_struct *tty)
+ 	ax->tty = NULL;
+ 
+ 	unregister_netdev(ax->dev);
++	free_netdev(ax->dev);
+ }
+ 
+ /* Perform I/O control on an active ax25 channel. */
+diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
+index 61ea4eaace5d0..e3f108080af12 100644
+--- a/drivers/net/usb/cdc_eem.c
++++ b/drivers/net/usb/cdc_eem.c
+@@ -135,10 +135,10 @@ static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ 	}
+ 
+ 	skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags);
++	dev_kfree_skb_any(skb);
+ 	if (!skb2)
+ 		return NULL;
+ 
+-	dev_kfree_skb_any(skb);
+ 	skb = skb2;
+ 
+ done:
+diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
+index 82ec00a7370d4..f3f78ccdb274c 100644
+--- a/drivers/net/usb/cdc_ncm.c
++++ b/drivers/net/usb/cdc_ncm.c
+@@ -1666,7 +1666,7 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb)
+ static const struct driver_info cdc_ncm_info = {
+ 	.description = "CDC NCM",
+ 	.flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET
+-			| FLAG_LINK_INTR,
++			| FLAG_LINK_INTR | FLAG_ETHER,
+ 	.bind = cdc_ncm_bind,
+ 	.unbind = cdc_ncm_unbind,
+ 	.manage_power = usbnet_manage_power,
+diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
+index a27ea04cfa6c3..726fb5561a0fb 100644
+--- a/drivers/net/usb/r8152.c
++++ b/drivers/net/usb/r8152.c
+@@ -4649,7 +4649,7 @@ static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+ {
+ 	switch (stringset) {
+ 	case ETH_SS_STATS:
+-		memcpy(data, *rtl8152_gstrings, sizeof(rtl8152_gstrings));
++		memcpy(data, rtl8152_gstrings, sizeof(rtl8152_gstrings));
+ 		break;
+ 	}
+ }
+diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
+index 62f2862c9775e..8b9fd4e071f3d 100644
+--- a/drivers/net/usb/smsc75xx.c
++++ b/drivers/net/usb/smsc75xx.c
+@@ -1495,7 +1495,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
+ 	ret = smsc75xx_wait_ready(dev, 0);
+ 	if (ret < 0) {
+ 		netdev_warn(dev->net, "device not ready in smsc75xx_bind\n");
+-		goto err;
++		goto free_pdata;
+ 	}
+ 
+ 	smsc75xx_init_mac_address(dev);
+@@ -1504,7 +1504,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
+ 	ret = smsc75xx_reset(dev);
+ 	if (ret < 0) {
+ 		netdev_warn(dev->net, "smsc75xx_reset error %d\n", ret);
+-		goto err;
++		goto cancel_work;
+ 	}
+ 
+ 	dev->net->netdev_ops = &smsc75xx_netdev_ops;
+@@ -1515,8 +1515,11 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
+ 	dev->net->max_mtu = MAX_SINGLE_PACKET_SIZE;
+ 	return 0;
+ 
+-err:
++cancel_work:
++	cancel_work_sync(&pdata->set_multicast);
++free_pdata:
+ 	kfree(pdata);
++	dev->data[0] = 0;
+ 	return ret;
+ }
+ 
+@@ -1527,7 +1530,6 @@ static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf)
+ 		cancel_work_sync(&pdata->set_multicast);
+ 		netif_dbg(dev, ifdown, dev->net, "free pdata\n");
+ 		kfree(pdata);
+-		pdata = NULL;
+ 		dev->data[0] = 0;
+ 	}
+ }
+diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
+index 137a27fa369cb..08b52f3ed0c30 100644
+--- a/drivers/nvme/target/loop.c
++++ b/drivers/nvme/target/loop.c
+@@ -274,7 +274,8 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = {
+ 
+ static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl)
+ {
+-	clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
++	if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags))
++		return;
+ 	nvmet_sq_destroy(&ctrl->queues[0].nvme_sq);
+ 	blk_cleanup_queue(ctrl->ctrl.admin_q);
+ 	blk_mq_free_tag_set(&ctrl->admin_tag_set);
+@@ -309,6 +310,7 @@ static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl)
+ 		clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags);
+ 		nvmet_sq_destroy(&ctrl->queues[i].nvme_sq);
+ 	}
++	ctrl->ctrl.queue_count = 1;
+ }
+ 
+ static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl)
+@@ -417,6 +419,7 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl)
+ 	return 0;
+ 
+ out_cleanup_queue:
++	clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags);
+ 	blk_cleanup_queue(ctrl->ctrl.admin_q);
+ out_free_tagset:
+ 	blk_mq_free_tag_set(&ctrl->admin_tag_set);
+diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
+index 3d59bbe4a5d56..9ebf32de85757 100644
+--- a/drivers/pci/pci.c
++++ b/drivers/pci/pci.c
+@@ -1585,11 +1585,21 @@ static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
+ 	int err;
+ 	int i, bars = 0;
+ 
+-	if (atomic_inc_return(&dev->enable_cnt) > 1) {
+-		pci_update_current_state(dev, dev->current_state);
+-		return 0;		/* already enabled */
++	/*
++	 * Power state could be unknown at this point, either due to a fresh
++	 * boot or a device removal call.  So get the current power state
++	 * so that things like MSI message writing will behave as expected
++	 * (e.g. if the device really is in D0 at enable time).
++	 */
++	if (dev->pm_cap) {
++		u16 pmcsr;
++		pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
++		dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
+ 	}
+ 
++	if (atomic_inc_return(&dev->enable_cnt) > 1)
++		return 0;		/* already enabled */
++
+ 	bridge = pci_upstream_bridge(dev);
+ 	if (bridge)
+ 		pci_enable_bridge(bridge);
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 70f05595da60d..576b5bb6b95f2 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -3463,6 +3463,18 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
+ 	dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET;
+ }
+ 
++/*
++ * Some NVIDIA GPU devices do not work with bus reset, SBR needs to be
++ * prevented for those affected devices.
++ */
++static void quirk_nvidia_no_bus_reset(struct pci_dev *dev)
++{
++	if ((dev->device & 0xffc0) == 0x2340)
++		quirk_no_bus_reset(dev);
++}
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
++			 quirk_nvidia_no_bus_reset);
++
+ /*
+  * Some Atheros AR9xxx and QCA988x chips do not behave after a bus reset.
+  * The device will throw a Link Down error on AER-capable systems and
+@@ -3483,6 +3495,16 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
+  */
+ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CAVIUM, 0xa100, quirk_no_bus_reset);
+ 
++/*
++ * Some TI KeyStone C667X devices do not support bus/hot reset.  The PCIESS
++ * automatically disables LTSSM when Secondary Bus Reset is received and
++ * the device stops working.  Prevent bus reset for these devices.  With
++ * this change, the device can be assigned to VMs with VFIO, but it will
++ * leak state between VMs.  Reference
++ * https://e2e.ti.com/support/processors/f/791/t/954382
++ */
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, 0xb005, quirk_no_bus_reset);
++
+ static void quirk_no_pm_reset(struct pci_dev *dev)
+ {
+ 	/*
+@@ -3875,6 +3897,69 @@ static int delay_250ms_after_flr(struct pci_dev *dev, int probe)
+ 	return 0;
+ }
+ 
++#define PCI_DEVICE_ID_HINIC_VF      0x375E
++#define HINIC_VF_FLR_TYPE           0x1000
++#define HINIC_VF_FLR_CAP_BIT        (1UL << 30)
++#define HINIC_VF_OP                 0xE80
++#define HINIC_VF_FLR_PROC_BIT       (1UL << 18)
++#define HINIC_OPERATION_TIMEOUT     15000	/* 15 seconds */
++
++/* Device-specific reset method for Huawei Intelligent NIC virtual functions */
++static int reset_hinic_vf_dev(struct pci_dev *pdev, int probe)
++{
++	unsigned long timeout;
++	void __iomem *bar;
++	u32 val;
++
++	if (probe)
++		return 0;
++
++	bar = pci_iomap(pdev, 0, 0);
++	if (!bar)
++		return -ENOTTY;
++
++	/* Get and check firmware capabilities */
++	val = ioread32be(bar + HINIC_VF_FLR_TYPE);
++	if (!(val & HINIC_VF_FLR_CAP_BIT)) {
++		pci_iounmap(pdev, bar);
++		return -ENOTTY;
++	}
++
++	/* Set HINIC_VF_FLR_PROC_BIT for the start of FLR */
++	val = ioread32be(bar + HINIC_VF_OP);
++	val = val | HINIC_VF_FLR_PROC_BIT;
++	iowrite32be(val, bar + HINIC_VF_OP);
++
++	pcie_flr(pdev);
++
++	/*
++	 * The device must recapture its Bus and Device Numbers after FLR
++	 * in order generate Completions.  Issue a config write to let the
++	 * device capture this information.
++	 */
++	pci_write_config_word(pdev, PCI_VENDOR_ID, 0);
++
++	/* Firmware clears HINIC_VF_FLR_PROC_BIT when reset is complete */
++	timeout = jiffies + msecs_to_jiffies(HINIC_OPERATION_TIMEOUT);
++	do {
++		val = ioread32be(bar + HINIC_VF_OP);
++		if (!(val & HINIC_VF_FLR_PROC_BIT))
++			goto reset_complete;
++		msleep(20);
++	} while (time_before(jiffies, timeout));
++
++	val = ioread32be(bar + HINIC_VF_OP);
++	if (!(val & HINIC_VF_FLR_PROC_BIT))
++		goto reset_complete;
++
++	pci_warn(pdev, "Reset dev timeout, FLR ack reg: %#010x\n", val);
++
++reset_complete:
++	pci_iounmap(pdev, bar);
++
++	return 0;
++}
++
+ static const struct pci_dev_reset_methods pci_dev_reset_methods[] = {
+ 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82599_SFP_VF,
+ 		 reset_intel_82599_sfp_virtfn },
+@@ -3886,6 +3971,8 @@ static const struct pci_dev_reset_methods pci_dev_reset_methods[] = {
+ 	{ PCI_VENDOR_ID_INTEL, 0x0953, delay_250ms_after_flr },
+ 	{ PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID,
+ 		reset_chelsio_generic_dev },
++	{ PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HINIC_VF,
++		reset_hinic_vf_dev },
+ 	{ 0 }
+ };
+ 
+@@ -4689,6 +4776,8 @@ static const struct pci_dev_acs_enabled {
+ 	{ PCI_VENDOR_ID_AMPERE, 0xE00A, pci_quirk_xgene_acs },
+ 	{ PCI_VENDOR_ID_AMPERE, 0xE00B, pci_quirk_xgene_acs },
+ 	{ PCI_VENDOR_ID_AMPERE, 0xE00C, pci_quirk_xgene_acs },
++	/* Broadcom multi-function device */
++	{ PCI_VENDOR_ID_BROADCOM, 0x16D7, pci_quirk_mf_endpoint_acs },
+ 	{ PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs },
+ 	{ 0 }
+ };
+diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
+index 14dfbbd6c1c37..4e17728f29375 100644
+--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
++++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
+@@ -978,7 +978,7 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl,
+ 	struct resource res;
+ 	struct reset_control *rstc;
+ 	int npins = STM32_GPIO_PINS_PER_BANK;
+-	int bank_nr, err;
++	int bank_nr, err, i = 0;
+ 
+ 	rstc = of_reset_control_get_exclusive(np, NULL);
+ 	if (!IS_ERR(rstc))
+@@ -1007,9 +1007,14 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl,
+ 
+ 	of_property_read_string(np, "st,bank-name", &bank->gpio_chip.label);
+ 
+-	if (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, &args)) {
++	if (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, i, &args)) {
+ 		bank_nr = args.args[1] / STM32_GPIO_PINS_PER_BANK;
+ 		bank->gpio_chip.base = args.args[1];
++
++		npins = args.args[2];
++		while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3,
++							 ++i, &args))
++			npins += args.args[2];
+ 	} else {
+ 		bank_nr = pctl->nbanks;
+ 		bank->gpio_chip.base = bank_nr * STM32_GPIO_PINS_PER_BANK;
+diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
+index e232233beb8f2..89632cc9c28fc 100644
+--- a/drivers/ptp/ptp_clock.c
++++ b/drivers/ptp/ptp_clock.c
+@@ -76,7 +76,7 @@ static void enqueue_external_timestamp(struct timestamp_event_queue *queue,
+ 	spin_unlock_irqrestore(&queue->lock, flags);
+ }
+ 
+-static s32 scaled_ppm_to_ppb(long ppm)
++long scaled_ppm_to_ppb(long ppm)
+ {
+ 	/*
+ 	 * The 'freq' field in the 'struct timex' is in parts per
+@@ -93,8 +93,9 @@ static s32 scaled_ppm_to_ppb(long ppm)
+ 	s64 ppb = 1 + ppm;
+ 	ppb *= 125;
+ 	ppb >>= 13;
+-	return (s32) ppb;
++	return (long) ppb;
+ }
++EXPORT_SYMBOL(scaled_ppm_to_ppb);
+ 
+ /* posix clock implementation */
+ 
+@@ -147,7 +148,7 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)
+ 		delta = ktime_to_ns(kt);
+ 		err = ops->adjtime(ops, delta);
+ 	} else if (tx->modes & ADJ_FREQUENCY) {
+-		s32 ppb = scaled_ppm_to_ppb(tx->freq);
++		long ppb = scaled_ppm_to_ppb(tx->freq);
+ 		if (ppb > ops->max_adj || ppb < -ops->max_adj)
+ 			return -ERANGE;
+ 		if (ops->adjfine)
+diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
+index a08ff3bd63105..6a2a413cc97e0 100644
+--- a/drivers/scsi/scsi_devinfo.c
++++ b/drivers/scsi/scsi_devinfo.c
+@@ -184,6 +184,7 @@ static struct {
+ 	{"HP", "C3323-300", "4269", BLIST_NOTQ},
+ 	{"HP", "C5713A", NULL, BLIST_NOREPORTLUN},
+ 	{"HP", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
++	{"HPE", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
+ 	{"IBM", "AuSaV1S2", NULL, BLIST_FORCELUN},
+ 	{"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
+ 	{"IBM", "2105", NULL, BLIST_RETRY_HWERROR},
+diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+index 80e7067cfb797..ad811c0438cc7 100644
+--- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
++++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+@@ -127,7 +127,7 @@ static int rt2880_pmx_group_enable(struct pinctrl_dev *pctrldev,
+ 	if (p->groups[group].enabled) {
+ 		dev_err(p->dev, "%s is already enabled\n",
+ 			p->groups[group].name);
+-		return -EBUSY;
++		return 0;
+ 	}
+ 
+ 	p->groups[group].enabled = 1;
+diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
+index bdada97cd4fe2..9c60a090cfd17 100644
+--- a/drivers/target/target_core_transport.c
++++ b/drivers/target/target_core_transport.c
+@@ -2982,9 +2982,7 @@ __transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop,
+ 	__releases(&cmd->t_state_lock)
+ 	__acquires(&cmd->t_state_lock)
+ {
+-
+-	assert_spin_locked(&cmd->t_state_lock);
+-	WARN_ON_ONCE(!irqs_disabled());
++	lockdep_assert_held(&cmd->t_state_lock);
+ 
+ 	if (fabric_stop)
+ 		cmd->transport_state |= CMD_T_FABRIC_STOP;
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 0ddc2e30065f5..a7f16dbfffdfa 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -38,6 +38,8 @@
+ #define USB_VENDOR_GENESYS_LOGIC		0x05e3
+ #define USB_VENDOR_SMSC				0x0424
+ #define USB_PRODUCT_USB5534B			0x5534
++#define USB_VENDOR_CYPRESS			0x04b4
++#define USB_PRODUCT_CY7C65632			0x6570
+ #define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND	0x01
+ #define HUB_QUIRK_DISABLE_AUTOSUSPEND		0x02
+ 
+@@ -5442,6 +5444,11 @@ static const struct usb_device_id hub_id_table[] = {
+       .idProduct = USB_PRODUCT_USB5534B,
+       .bInterfaceClass = USB_CLASS_HUB,
+       .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
++    { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
++                   | USB_DEVICE_ID_MATCH_PRODUCT,
++      .idVendor = USB_VENDOR_CYPRESS,
++      .idProduct = USB_PRODUCT_CY7C65632,
++      .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
+     { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
+ 			| USB_DEVICE_ID_MATCH_INT_CLASS,
+       .idVendor = USB_VENDOR_GENESYS_LOGIC,
+diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
+index e890c26b6c826..e223502eafca6 100644
+--- a/drivers/usb/dwc3/core.c
++++ b/drivers/usb/dwc3/core.c
+@@ -1550,8 +1550,8 @@ static int dwc3_remove(struct platform_device *pdev)
+ 
+ 	pm_runtime_get_sync(&pdev->dev);
+ 
+-	dwc3_debugfs_exit(dwc);
+ 	dwc3_core_exit_mode(dwc);
++	dwc3_debugfs_exit(dwc);
+ 
+ 	dwc3_core_exit(dwc);
+ 	dwc3_ulpi_exit(dwc);
+diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
+index 4f75ab3505b77..069db13f3a10a 100644
+--- a/drivers/usb/dwc3/debug.h
++++ b/drivers/usb/dwc3/debug.h
+@@ -653,9 +653,12 @@ static inline const char *dwc3_gadget_generic_cmd_status_string(int status)
+ 
+ 
+ #ifdef CONFIG_DEBUG_FS
++extern void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep);
+ extern void dwc3_debugfs_init(struct dwc3 *);
+ extern void dwc3_debugfs_exit(struct dwc3 *);
+ #else
++static inline void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep)
++{  }
+ static inline void dwc3_debugfs_init(struct dwc3 *d)
+ {  }
+ static inline void dwc3_debugfs_exit(struct dwc3 *d)
+diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
+index 04ce7c01a09e6..58a2479d8e6a3 100644
+--- a/drivers/usb/dwc3/debugfs.c
++++ b/drivers/usb/dwc3/debugfs.c
+@@ -725,30 +725,14 @@ static void dwc3_debugfs_create_endpoint_files(struct dwc3_ep *dep,
+ 	}
+ }
+ 
+-static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep,
+-		struct dentry *parent)
++void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep)
+ {
+ 	struct dentry		*dir;
+ 
+-	dir = debugfs_create_dir(dep->name, parent);
++	dir = debugfs_create_dir(dep->name, dep->dwc->root);
+ 	dwc3_debugfs_create_endpoint_files(dep, dir);
+ }
+ 
+-static void dwc3_debugfs_create_endpoint_dirs(struct dwc3 *dwc,
+-		struct dentry *parent)
+-{
+-	int			i;
+-
+-	for (i = 0; i < dwc->num_eps; i++) {
+-		struct dwc3_ep	*dep = dwc->eps[i];
+-
+-		if (!dep)
+-			continue;
+-
+-		dwc3_debugfs_create_endpoint_dir(dep, parent);
+-	}
+-}
+-
+ void dwc3_debugfs_init(struct dwc3 *dwc)
+ {
+ 	struct dentry		*root;
+@@ -777,7 +761,6 @@ void dwc3_debugfs_init(struct dwc3 *dwc)
+ 				    &dwc3_testmode_fops);
+ 		debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, dwc,
+ 				    &dwc3_link_state_fops);
+-		dwc3_debugfs_create_endpoint_dirs(dwc, root);
+ 	}
+ }
+ 
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index 1396ee5297923..c93bed41d988a 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -2255,6 +2255,8 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum)
+ 	INIT_LIST_HEAD(&dep->started_list);
+ 	INIT_LIST_HEAD(&dep->cancelled_list);
+ 
++	dwc3_debugfs_create_endpoint_dir(dep);
++
+ 	return 0;
+ }
+ 
+@@ -2298,6 +2300,7 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc)
+ 			list_del(&dep->endpoint.ep_list);
+ 		}
+ 
++		debugfs_remove_recursive(debugfs_lookup(dep->name, dwc->root));
+ 		kfree(dep);
+ 	}
+ }
+diff --git a/fs/afs/main.c b/fs/afs/main.c
+index 8ecb127be63f9..2eecb2c0a3c0e 100644
+--- a/fs/afs/main.c
++++ b/fs/afs/main.c
+@@ -200,8 +200,8 @@ static int __init afs_init(void)
+ 		goto error_fs;
+ 
+ 	afs_proc_symlink = proc_symlink("fs/afs", NULL, "../self/net/afs");
+-	if (IS_ERR(afs_proc_symlink)) {
+-		ret = PTR_ERR(afs_proc_symlink);
++	if (!afs_proc_symlink) {
++		ret = -ENOMEM;
+ 		goto error_proc;
+ 	}
+ 
+diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
+index 143e7d518c5d5..7c69486d556fe 100644
+--- a/fs/gfs2/file.c
++++ b/fs/gfs2/file.c
+@@ -822,8 +822,11 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
+ 		current->backing_dev_info = inode_to_bdi(inode);
+ 		buffered = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops);
+ 		current->backing_dev_info = NULL;
+-		if (unlikely(buffered <= 0))
++		if (unlikely(buffered <= 0)) {
++			if (!ret)
++				ret = buffered;
+ 			goto out_unlock;
++		}
+ 
+ 		/*
+ 		 * We need to ensure that the page cache pages are written to
+diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
+index c20d71d86812a..14d11ccda868d 100644
+--- a/fs/gfs2/glock.c
++++ b/fs/gfs2/glock.c
+@@ -1457,6 +1457,7 @@ __acquires(&lru_lock)
+ 	while(!list_empty(list)) {
+ 		gl = list_entry(list->next, struct gfs2_glock, gl_lru);
+ 		list_del_init(&gl->gl_lru);
++		clear_bit(GLF_LRU, &gl->gl_flags);
+ 		if (!spin_trylock(&gl->gl_lockref.lock)) {
+ add_back_to_lru:
+ 			list_add(&gl->gl_lru, &lru_list);
+@@ -1502,7 +1503,6 @@ 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/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
+index e60be7bb55b0b..c6c8a33c81d5e 100644
+--- a/fs/nilfs2/sysfs.c
++++ b/fs/nilfs2/sysfs.c
+@@ -1054,6 +1054,7 @@ void nilfs_sysfs_delete_device_group(struct the_nilfs *nilfs)
+ 	nilfs_sysfs_delete_superblock_group(nilfs);
+ 	nilfs_sysfs_delete_segctor_group(nilfs);
+ 	kobject_del(&nilfs->ns_dev_kobj);
++	kobject_put(&nilfs->ns_dev_kobj);
+ 	kfree(nilfs->ns_dev_subgroups);
+ }
+ 
+diff --git a/include/linux/hid.h b/include/linux/hid.h
+index 4dcce83ca3784..c833948aade05 100644
+--- a/include/linux/hid.h
++++ b/include/linux/hid.h
+@@ -1151,8 +1151,7 @@ static inline void hid_hw_wait(struct hid_device *hdev)
+  */
+ static inline u32 hid_report_len(struct hid_report *report)
+ {
+-	/* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
+-	return ((report->size - 1) >> 3) + 1 + (report->id > 0);
++	return DIV_ROUND_UP(report->size, 8) + (report->id > 0);
+ }
+ 
+ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
+diff --git a/include/linux/net.h b/include/linux/net.h
+index e0930678c8bf6..41dc703b261cd 100644
+--- a/include/linux/net.h
++++ b/include/linux/net.h
+@@ -83,6 +83,12 @@ enum sock_type {
+ 
+ #endif /* ARCH_HAS_SOCKET_TYPES */
+ 
++/**
++ * enum sock_shutdown_cmd - Shutdown types
++ * @SHUT_RD: shutdown receptions
++ * @SHUT_WR: shutdown transmissions
++ * @SHUT_RDWR: shutdown receptions/transmissions
++ */
+ enum sock_shutdown_cmd {
+ 	SHUT_RD,
+ 	SHUT_WR,
+diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
+index 51349d124ee5d..99c3f4ee938e9 100644
+--- a/include/linux/ptp_clock_kernel.h
++++ b/include/linux/ptp_clock_kernel.h
+@@ -204,6 +204,14 @@ extern void ptp_clock_event(struct ptp_clock *ptp,
+ 
+ extern int ptp_clock_index(struct ptp_clock *ptp);
+ 
++/**
++ * scaled_ppm_to_ppb() - convert scaled ppm to ppb
++ *
++ * @ppm:    Parts per million, but with a 16 bit binary fractional field
++ */
++
++extern long scaled_ppm_to_ppb(long ppm);
++
+ /**
+  * ptp_find_pin() - obtain the pin index of a given auxiliary function
+  *
+diff --git a/include/linux/socket.h b/include/linux/socket.h
+index 7ed4713d53372..15a7eb24f63c9 100644
+--- a/include/linux/socket.h
++++ b/include/linux/socket.h
+@@ -26,7 +26,7 @@ typedef __kernel_sa_family_t	sa_family_t;
+ /*
+  *	1003.1g requires sa_family_t and that sa_data is char.
+  */
+- 
++
+ struct sockaddr {
+ 	sa_family_t	sa_family;	/* address family, AF_xxx	*/
+ 	char		sa_data[14];	/* 14 bytes of protocol address	*/
+@@ -44,7 +44,7 @@ struct linger {
+  *	system, not 4.3. Thus msg_accrights(len) are now missing. They
+  *	belong in an obscure libc emulation or the bin.
+  */
+- 
++
+ struct msghdr {
+ 	void		*msg_name;	/* ptr to socket address structure */
+ 	int		msg_namelen;	/* size of socket address structure */
+@@ -54,7 +54,7 @@ struct msghdr {
+ 	unsigned int	msg_flags;	/* flags on received message */
+ 	struct kiocb	*msg_iocb;	/* ptr to iocb for async requests */
+ };
+- 
++
+ struct user_msghdr {
+ 	void		__user *msg_name;	/* ptr to socket address structure */
+ 	int		msg_namelen;		/* size of socket address structure */
+@@ -122,7 +122,7 @@ struct cmsghdr {
+  *	inside range, given by msg->msg_controllen before using
+  *	ancillary object DATA.				--ANK (980731)
+  */
+- 
++
+ static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
+ 					       struct cmsghdr *__cmsg)
+ {
+@@ -264,10 +264,10 @@ struct ucred {
+ /* Maximum queue length specifiable by listen.  */
+ #define SOMAXCONN	128
+ 
+-/* Flags we can use with send/ and recv. 
++/* Flags we can use with send/ and recv.
+    Added those for 1003.1g not all are supported yet
+  */
+- 
++
+ #define MSG_OOB		1
+ #define MSG_PEEK	2
+ #define MSG_DONTROUTE	4
+@@ -384,6 +384,4 @@ extern int __sys_getpeername(int fd, struct sockaddr __user *usockaddr,
+ extern int __sys_socketpair(int family, int type, int protocol,
+ 			    int __user *usockvec);
+ extern int __sys_shutdown(int fd, int how);
+-
+-extern struct ns_common *get_net_ns(struct ns_common *ns);
+ #endif /* _LINUX_SOCKET_H */
+diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
+index 5007eaba207d5..bc88ac6c2e1d7 100644
+--- a/include/net/net_namespace.h
++++ b/include/net/net_namespace.h
+@@ -175,6 +175,8 @@ struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns,
+ void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid);
+ 
+ void net_ns_barrier(void);
++
++struct ns_common *get_net_ns(struct ns_common *ns);
+ #else /* CONFIG_NET_NS */
+ #include <linux/sched.h>
+ #include <linux/nsproxy.h>
+@@ -194,6 +196,11 @@ static inline void net_ns_get_ownership(const struct net *net,
+ }
+ 
+ static inline void net_ns_barrier(void) {}
++
++static inline struct ns_common *get_net_ns(struct ns_common *ns)
++{
++	return ERR_PTR(-EINVAL);
++}
+ #endif /* CONFIG_NET_NS */
+ 
+ 
+diff --git a/include/net/sock.h b/include/net/sock.h
+index bc752237dff3f..351749c694ce6 100644
+--- a/include/net/sock.h
++++ b/include/net/sock.h
+@@ -1832,7 +1832,8 @@ static inline u32 net_tx_rndhash(void)
+ 
+ static inline void sk_set_txhash(struct sock *sk)
+ {
+-	sk->sk_txhash = net_tx_rndhash();
++	/* This pairs with READ_ONCE() in skb_set_hash_from_sk() */
++	WRITE_ONCE(sk->sk_txhash, net_tx_rndhash());
+ }
+ 
+ static inline void sk_rethink_txhash(struct sock *sk)
+@@ -2103,9 +2104,12 @@ static inline void sock_poll_wait(struct file *filp, struct socket *sock,
+ 
+ static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk)
+ {
+-	if (sk->sk_txhash) {
++	/* This pairs with WRITE_ONCE() in sk_set_txhash() */
++	u32 txhash = READ_ONCE(sk->sk_txhash);
++
++	if (txhash) {
+ 		skb->l4_hash = 1;
+-		skb->hash = sk->sk_txhash;
++		skb->hash = txhash;
+ 	}
+ }
+ 
+diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h
+index 48e8a225b985a..2a66ab49f14dd 100644
+--- a/include/uapi/linux/in.h
++++ b/include/uapi/linux/in.h
+@@ -280,6 +280,9 @@ struct sockaddr_in {
+ /* Address indicating an error return. */
+ #define	INADDR_NONE		((unsigned long int) 0xffffffff)
+ 
++/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */
++#define	INADDR_DUMMY		((unsigned long int) 0xc0000008)
++
+ /* Network number for local host loopback. */
+ #define	IN_LOOPBACKNET		127
+ 
+diff --git a/kernel/module.c b/kernel/module.c
+index 92d8610742c7d..68637e661d75c 100644
+--- a/kernel/module.c
++++ b/kernel/module.c
+@@ -268,9 +268,18 @@ static void module_assert_mutex_or_preempt(void)
+ #endif
+ }
+ 
++#ifdef CONFIG_MODULE_SIG
+ static bool sig_enforce = IS_ENABLED(CONFIG_MODULE_SIG_FORCE);
+ module_param(sig_enforce, bool_enable_only, 0644);
+ 
++void set_module_sig_enforced(void)
++{
++	sig_enforce = true;
++}
++#else
++#define sig_enforce false
++#endif
++
+ /*
+  * Export sig_enforce kernel cmdline parameter to allow other subsystems rely
+  * on that instead of directly to CONFIG_MODULE_SIG_FORCE config.
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index f8aaa7879d7d6..71bc808fe03a2 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -1743,9 +1743,6 @@ struct saved_cmdlines_buffer {
+ };
+ static struct saved_cmdlines_buffer *savedcmd;
+ 
+-/* temporary disable recording */
+-static atomic_t trace_record_taskinfo_disabled __read_mostly;
+-
+ static inline char *get_saved_cmdlines(int idx)
+ {
+ 	return &savedcmd->saved_cmdlines[idx * TASK_COMM_LEN];
+@@ -2031,8 +2028,6 @@ static bool tracing_record_taskinfo_skip(int flags)
+ {
+ 	if (unlikely(!(flags & (TRACE_RECORD_CMDLINE | TRACE_RECORD_TGID))))
+ 		return true;
+-	if (atomic_read(&trace_record_taskinfo_disabled) || !tracing_is_on())
+-		return true;
+ 	if (!__this_cpu_read(trace_taskinfo_save))
+ 		return true;
+ 	return false;
+@@ -3261,9 +3256,6 @@ static void *s_start(struct seq_file *m, loff_t *pos)
+ 		return ERR_PTR(-EBUSY);
+ #endif
+ 
+-	if (!iter->snapshot)
+-		atomic_inc(&trace_record_taskinfo_disabled);
+-
+ 	if (*pos != iter->pos) {
+ 		iter->ent = NULL;
+ 		iter->cpu = 0;
+@@ -3306,9 +3298,6 @@ static void s_stop(struct seq_file *m, void *p)
+ 		return;
+ #endif
+ 
+-	if (!iter->snapshot)
+-		atomic_dec(&trace_record_taskinfo_disabled);
+-
+ 	trace_access_unlock(iter->cpu_file);
+ 	trace_event_read_unlock();
+ }
+diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
+index c1637f90c8a38..4702efb00ff21 100644
+--- a/kernel/trace/trace_clock.c
++++ b/kernel/trace/trace_clock.c
+@@ -115,9 +115,9 @@ u64 notrace trace_clock_global(void)
+ 	prev_time = READ_ONCE(trace_clock_struct.prev_time);
+ 	now = sched_clock_cpu(this_cpu);
+ 
+-	/* Make sure that now is always greater than prev_time */
++	/* Make sure that now is always greater than or equal to prev_time */
+ 	if ((s64)(now - prev_time) < 0)
+-		now = prev_time + 1;
++		now = prev_time;
+ 
+ 	/*
+ 	 * If in an NMI context then dont risk lockups and simply return
+@@ -131,7 +131,7 @@ u64 notrace trace_clock_global(void)
+ 		/* Reread prev_time in case it was already updated */
+ 		prev_time = READ_ONCE(trace_clock_struct.prev_time);
+ 		if ((s64)(now - prev_time) < 0)
+-			now = prev_time + 1;
++			now = prev_time;
+ 
+ 		trace_clock_struct.prev_time = now;
+ 
+diff --git a/mm/memory-failure.c b/mm/memory-failure.c
+index 034607a68ccb3..3da3c63dccd1a 100644
+--- a/mm/memory-failure.c
++++ b/mm/memory-failure.c
+@@ -1387,7 +1387,12 @@ int memory_failure(unsigned long pfn, int flags)
+ 		return 0;
+ 	}
+ 
+-	if (!PageTransTail(p) && !PageLRU(p))
++	/*
++	 * __munlock_pagevec may clear a writeback page's LRU flag without
++	 * page_lock. We need wait writeback completion for this page or it
++	 * may trigger vfs BUG while evict inode.
++	 */
++	if (!PageTransTail(p) && !PageLRU(p) && !PageWriteback(p))
+ 		goto identify_page_state;
+ 
+ 	/*
+diff --git a/mm/slub.c b/mm/slub.c
+index da141e5974f2b..b6c5c8fd265d2 100644
+--- a/mm/slub.c
++++ b/mm/slub.c
+@@ -15,6 +15,7 @@
+ #include <linux/module.h>
+ #include <linux/bit_spinlock.h>
+ #include <linux/interrupt.h>
++#include <linux/swab.h>
+ #include <linux/bitops.h>
+ #include <linux/slab.h>
+ #include "slab.h"
+@@ -672,15 +673,15 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
+ 	       p, p - addr, get_freepointer(s, p));
+ 
+ 	if (s->flags & SLAB_RED_ZONE)
+-		print_section(KERN_ERR, "Redzone ", p - s->red_left_pad,
++		print_section(KERN_ERR, "Redzone  ", p - s->red_left_pad,
+ 			      s->red_left_pad);
+ 	else if (p > addr + 16)
+ 		print_section(KERN_ERR, "Bytes b4 ", p - 16, 16);
+ 
+-	print_section(KERN_ERR, "Object ", p,
++	print_section(KERN_ERR,         "Object   ", p,
+ 		      min_t(unsigned int, s->object_size, PAGE_SIZE));
+ 	if (s->flags & SLAB_RED_ZONE)
+-		print_section(KERN_ERR, "Redzone ", p + s->object_size,
++		print_section(KERN_ERR, "Redzone  ", p + s->object_size,
+ 			s->inuse - s->object_size);
+ 
+ 	if (s->offset)
+@@ -695,7 +696,7 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
+ 
+ 	if (off != size_from_object(s))
+ 		/* Beginning of the filler is the free pointer */
+-		print_section(KERN_ERR, "Padding ", p + off,
++		print_section(KERN_ERR, "Padding  ", p + off,
+ 			      size_from_object(s) - off);
+ 
+ 	dump_stack();
+@@ -873,11 +874,11 @@ static int check_object(struct kmem_cache *s, struct page *page,
+ 	u8 *endobject = object + s->object_size;
+ 
+ 	if (s->flags & SLAB_RED_ZONE) {
+-		if (!check_bytes_and_report(s, page, object, "Redzone",
++		if (!check_bytes_and_report(s, page, object, "Left Redzone",
+ 			object - s->red_left_pad, val, s->red_left_pad))
+ 			return 0;
+ 
+-		if (!check_bytes_and_report(s, page, object, "Redzone",
++		if (!check_bytes_and_report(s, page, object, "Right Redzone",
+ 			endobject, val, s->inuse - s->object_size))
+ 			return 0;
+ 	} else {
+@@ -892,7 +893,7 @@ static int check_object(struct kmem_cache *s, struct page *page,
+ 		if (val != SLUB_RED_ACTIVE && (s->flags & __OBJECT_POISON) &&
+ 			(!check_bytes_and_report(s, page, p, "Poison", p,
+ 					POISON_FREE, s->object_size - 1) ||
+-			 !check_bytes_and_report(s, page, p, "Poison",
++			 !check_bytes_and_report(s, page, p, "End Poison",
+ 				p + s->object_size - 1, POISON_END, 1)))
+ 			return 0;
+ 		/*
+diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
+index 0b052ff51bdeb..cede6826e5b36 100644
+--- a/net/batman-adv/bat_iv_ogm.c
++++ b/net/batman-adv/bat_iv_ogm.c
+@@ -594,8 +594,10 @@ static void batadv_iv_ogm_emit(struct batadv_forw_packet *forw_packet)
+ 	if (WARN_ON(!forw_packet->if_outgoing))
+ 		return;
+ 
+-	if (WARN_ON(forw_packet->if_outgoing->soft_iface != soft_iface))
++	if (forw_packet->if_outgoing->soft_iface != soft_iface) {
++		pr_warn("%s: soft interface switch for queued OGM\n", __func__);
+ 		return;
++	}
+ 
+ 	if (forw_packet->if_incoming->if_status != BATADV_IF_ACTIVE)
+ 		return;
+diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
+index 33b8222db75c4..7ca3b469242e4 100644
+--- a/net/bridge/br_private.h
++++ b/net/bridge/br_private.h
+@@ -100,8 +100,8 @@ struct br_vlan_stats {
+ };
+ 
+ struct br_tunnel_info {
+-	__be64			tunnel_id;
+-	struct metadata_dst	*tunnel_dst;
++	__be64				tunnel_id;
++	struct metadata_dst __rcu	*tunnel_dst;
+ };
+ 
+ /**
+diff --git a/net/bridge/br_vlan_tunnel.c b/net/bridge/br_vlan_tunnel.c
+index 6d2c4eed2dc89..adb6845ceba46 100644
+--- a/net/bridge/br_vlan_tunnel.c
++++ b/net/bridge/br_vlan_tunnel.c
+@@ -46,26 +46,33 @@ static struct net_bridge_vlan *br_vlan_tunnel_lookup(struct rhashtable *tbl,
+ 				      br_vlan_tunnel_rht_params);
+ }
+ 
++static void vlan_tunnel_info_release(struct net_bridge_vlan *vlan)
++{
++	struct metadata_dst *tdst = rtnl_dereference(vlan->tinfo.tunnel_dst);
++
++	WRITE_ONCE(vlan->tinfo.tunnel_id, 0);
++	RCU_INIT_POINTER(vlan->tinfo.tunnel_dst, NULL);
++	dst_release(&tdst->dst);
++}
++
+ void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg,
+ 			  struct net_bridge_vlan *vlan)
+ {
+-	if (!vlan->tinfo.tunnel_dst)
++	if (!rcu_access_pointer(vlan->tinfo.tunnel_dst))
+ 		return;
+ 	rhashtable_remove_fast(&vg->tunnel_hash, &vlan->tnode,
+ 			       br_vlan_tunnel_rht_params);
+-	vlan->tinfo.tunnel_id = 0;
+-	dst_release(&vlan->tinfo.tunnel_dst->dst);
+-	vlan->tinfo.tunnel_dst = NULL;
++	vlan_tunnel_info_release(vlan);
+ }
+ 
+ static int __vlan_tunnel_info_add(struct net_bridge_vlan_group *vg,
+ 				  struct net_bridge_vlan *vlan, u32 tun_id)
+ {
+-	struct metadata_dst *metadata = NULL;
++	struct metadata_dst *metadata = rtnl_dereference(vlan->tinfo.tunnel_dst);
+ 	__be64 key = key32_to_tunnel_id(cpu_to_be32(tun_id));
+ 	int err;
+ 
+-	if (vlan->tinfo.tunnel_dst)
++	if (metadata)
+ 		return -EEXIST;
+ 
+ 	metadata = __ip_tun_set_dst(0, 0, 0, 0, 0, TUNNEL_KEY,
+@@ -74,8 +81,8 @@ static int __vlan_tunnel_info_add(struct net_bridge_vlan_group *vg,
+ 		return -EINVAL;
+ 
+ 	metadata->u.tun_info.mode |= IP_TUNNEL_INFO_TX | IP_TUNNEL_INFO_BRIDGE;
+-	vlan->tinfo.tunnel_dst = metadata;
+-	vlan->tinfo.tunnel_id = key;
++	rcu_assign_pointer(vlan->tinfo.tunnel_dst, metadata);
++	WRITE_ONCE(vlan->tinfo.tunnel_id, key);
+ 
+ 	err = rhashtable_lookup_insert_fast(&vg->tunnel_hash, &vlan->tnode,
+ 					    br_vlan_tunnel_rht_params);
+@@ -84,9 +91,7 @@ static int __vlan_tunnel_info_add(struct net_bridge_vlan_group *vg,
+ 
+ 	return 0;
+ out:
+-	dst_release(&vlan->tinfo.tunnel_dst->dst);
+-	vlan->tinfo.tunnel_dst = NULL;
+-	vlan->tinfo.tunnel_id = 0;
++	vlan_tunnel_info_release(vlan);
+ 
+ 	return err;
+ }
+@@ -186,12 +191,15 @@ int br_handle_ingress_vlan_tunnel(struct sk_buff *skb,
+ int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
+ 				 struct net_bridge_vlan *vlan)
+ {
++	struct metadata_dst *tunnel_dst;
++	__be64 tunnel_id;
+ 	int err;
+ 
+-	if (!vlan || !vlan->tinfo.tunnel_id)
++	if (!vlan)
+ 		return 0;
+ 
+-	if (unlikely(!skb_vlan_tag_present(skb)))
++	tunnel_id = READ_ONCE(vlan->tinfo.tunnel_id);
++	if (!tunnel_id || unlikely(!skb_vlan_tag_present(skb)))
+ 		return 0;
+ 
+ 	skb_dst_drop(skb);
+@@ -199,7 +207,9 @@ int br_handle_egress_vlan_tunnel(struct sk_buff *skb,
+ 	if (err)
+ 		return err;
+ 
+-	skb_dst_set(skb, dst_clone(&vlan->tinfo.tunnel_dst->dst));
++	tunnel_dst = rcu_dereference(vlan->tinfo.tunnel_dst);
++	if (tunnel_dst && dst_hold_safe(&tunnel_dst->dst))
++		skb_dst_set(skb, &tunnel_dst->dst);
+ 
+ 	return 0;
+ }
+diff --git a/net/can/bcm.c b/net/can/bcm.c
+index 79bb8afa9c0c0..9f30d7b4389a8 100644
+--- a/net/can/bcm.c
++++ b/net/can/bcm.c
+@@ -125,7 +125,7 @@ struct bcm_sock {
+ 	struct sock sk;
+ 	int bound;
+ 	int ifindex;
+-	struct notifier_block notifier;
++	struct list_head notifier;
+ 	struct list_head rx_ops;
+ 	struct list_head tx_ops;
+ 	unsigned long dropped_usr_msgs;
+@@ -133,6 +133,10 @@ struct bcm_sock {
+ 	char procname [32]; /* inode number in decimal with \0 */
+ };
+ 
++static LIST_HEAD(bcm_notifier_list);
++static DEFINE_SPINLOCK(bcm_notifier_lock);
++static struct bcm_sock *bcm_busy_notifier;
++
+ static inline struct bcm_sock *bcm_sk(const struct sock *sk)
+ {
+ 	return (struct bcm_sock *)sk;
+@@ -393,6 +397,7 @@ static void bcm_tx_timeout_tsklet(unsigned long data)
+ 		if (!op->count && (op->flags & TX_COUNTEVT)) {
+ 
+ 			/* create notification to user */
++			memset(&msg_head, 0, sizeof(msg_head));
+ 			msg_head.opcode  = TX_EXPIRED;
+ 			msg_head.flags   = op->flags;
+ 			msg_head.count   = op->count;
+@@ -440,6 +445,7 @@ static void bcm_rx_changed(struct bcm_op *op, struct canfd_frame *data)
+ 	/* this element is not throttled anymore */
+ 	data->flags &= (BCM_CAN_FLAGS_MASK|RX_RECV);
+ 
++	memset(&head, 0, sizeof(head));
+ 	head.opcode  = RX_CHANGED;
+ 	head.flags   = op->flags;
+ 	head.count   = op->count;
+@@ -554,6 +560,7 @@ static void bcm_rx_timeout_tsklet(unsigned long data)
+ 	struct bcm_msg_head msg_head;
+ 
+ 	/* create notification to user */
++	memset(&msg_head, 0, sizeof(msg_head));
+ 	msg_head.opcode  = RX_TIMEOUT;
+ 	msg_head.flags   = op->flags;
+ 	msg_head.count   = op->count;
+@@ -1429,20 +1436,15 @@ static int bcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
+ /*
+  * notification handler for netdevice status changes
+  */
+-static int bcm_notifier(struct notifier_block *nb, unsigned long msg,
+-			void *ptr)
++static void bcm_notify(struct bcm_sock *bo, unsigned long msg,
++		       struct net_device *dev)
+ {
+-	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+-	struct bcm_sock *bo = container_of(nb, struct bcm_sock, notifier);
+ 	struct sock *sk = &bo->sk;
+ 	struct bcm_op *op;
+ 	int notify_enodev = 0;
+ 
+ 	if (!net_eq(dev_net(dev), sock_net(sk)))
+-		return NOTIFY_DONE;
+-
+-	if (dev->type != ARPHRD_CAN)
+-		return NOTIFY_DONE;
++		return;
+ 
+ 	switch (msg) {
+ 
+@@ -1477,7 +1479,28 @@ static int bcm_notifier(struct notifier_block *nb, unsigned long msg,
+ 				sk->sk_error_report(sk);
+ 		}
+ 	}
++}
+ 
++static int bcm_notifier(struct notifier_block *nb, unsigned long msg,
++			void *ptr)
++{
++	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
++
++	if (dev->type != ARPHRD_CAN)
++		return NOTIFY_DONE;
++	if (msg != NETDEV_UNREGISTER && msg != NETDEV_DOWN)
++		return NOTIFY_DONE;
++	if (unlikely(bcm_busy_notifier)) /* Check for reentrant bug. */
++		return NOTIFY_DONE;
++
++	spin_lock(&bcm_notifier_lock);
++	list_for_each_entry(bcm_busy_notifier, &bcm_notifier_list, notifier) {
++		spin_unlock(&bcm_notifier_lock);
++		bcm_notify(bcm_busy_notifier, msg, dev);
++		spin_lock(&bcm_notifier_lock);
++	}
++	bcm_busy_notifier = NULL;
++	spin_unlock(&bcm_notifier_lock);
+ 	return NOTIFY_DONE;
+ }
+ 
+@@ -1497,9 +1520,9 @@ static int bcm_init(struct sock *sk)
+ 	INIT_LIST_HEAD(&bo->rx_ops);
+ 
+ 	/* set notifier */
+-	bo->notifier.notifier_call = bcm_notifier;
+-
+-	register_netdevice_notifier(&bo->notifier);
++	spin_lock(&bcm_notifier_lock);
++	list_add_tail(&bo->notifier, &bcm_notifier_list);
++	spin_unlock(&bcm_notifier_lock);
+ 
+ 	return 0;
+ }
+@@ -1522,7 +1545,14 @@ static int bcm_release(struct socket *sock)
+ 
+ 	/* remove bcm_ops, timer, rx_unregister(), etc. */
+ 
+-	unregister_netdevice_notifier(&bo->notifier);
++	spin_lock(&bcm_notifier_lock);
++	while (bcm_busy_notifier == bo) {
++		spin_unlock(&bcm_notifier_lock);
++		schedule_timeout_uninterruptible(1);
++		spin_lock(&bcm_notifier_lock);
++	}
++	list_del(&bo->notifier);
++	spin_unlock(&bcm_notifier_lock);
+ 
+ 	lock_sock(sk);
+ 
+@@ -1737,6 +1767,10 @@ static struct pernet_operations canbcm_pernet_ops __read_mostly = {
+ 	.exit = canbcm_pernet_exit,
+ };
+ 
++static struct notifier_block canbcm_notifier = {
++	.notifier_call = bcm_notifier
++};
++
+ static int __init bcm_module_init(void)
+ {
+ 	int err;
+@@ -1750,12 +1784,14 @@ static int __init bcm_module_init(void)
+ 	}
+ 
+ 	register_pernet_subsys(&canbcm_pernet_ops);
++	register_netdevice_notifier(&canbcm_notifier);
+ 	return 0;
+ }
+ 
+ static void __exit bcm_module_exit(void)
+ {
+ 	can_proto_unregister(&bcm_can_proto);
++	unregister_netdevice_notifier(&canbcm_notifier);
+ 	unregister_pernet_subsys(&canbcm_pernet_ops);
+ }
+ 
+diff --git a/net/can/raw.c b/net/can/raw.c
+index 3aab7664933fd..296a11a922e09 100644
+--- a/net/can/raw.c
++++ b/net/can/raw.c
+@@ -84,7 +84,7 @@ struct raw_sock {
+ 	struct sock sk;
+ 	int bound;
+ 	int ifindex;
+-	struct notifier_block notifier;
++	struct list_head notifier;
+ 	int loopback;
+ 	int recv_own_msgs;
+ 	int fd_frames;
+@@ -96,6 +96,10 @@ struct raw_sock {
+ 	struct uniqframe __percpu *uniq;
+ };
+ 
++static LIST_HEAD(raw_notifier_list);
++static DEFINE_SPINLOCK(raw_notifier_lock);
++static struct raw_sock *raw_busy_notifier;
++
+ /*
+  * Return pointer to store the extra msg flags for raw_recvmsg().
+  * We use the space of one unsigned int beyond the 'struct sockaddr_can'
+@@ -266,21 +270,16 @@ static int raw_enable_allfilters(struct net *net, struct net_device *dev,
+ 	return err;
+ }
+ 
+-static int raw_notifier(struct notifier_block *nb,
+-			unsigned long msg, void *ptr)
++static void raw_notify(struct raw_sock *ro, unsigned long msg,
++		       struct net_device *dev)
+ {
+-	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+-	struct raw_sock *ro = container_of(nb, struct raw_sock, notifier);
+ 	struct sock *sk = &ro->sk;
+ 
+ 	if (!net_eq(dev_net(dev), sock_net(sk)))
+-		return NOTIFY_DONE;
+-
+-	if (dev->type != ARPHRD_CAN)
+-		return NOTIFY_DONE;
++		return;
+ 
+ 	if (ro->ifindex != dev->ifindex)
+-		return NOTIFY_DONE;
++		return;
+ 
+ 	switch (msg) {
+ 
+@@ -309,7 +308,28 @@ static int raw_notifier(struct notifier_block *nb,
+ 			sk->sk_error_report(sk);
+ 		break;
+ 	}
++}
++
++static int raw_notifier(struct notifier_block *nb, unsigned long msg,
++			void *ptr)
++{
++	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
++
++	if (dev->type != ARPHRD_CAN)
++		return NOTIFY_DONE;
++	if (msg != NETDEV_UNREGISTER && msg != NETDEV_DOWN)
++		return NOTIFY_DONE;
++	if (unlikely(raw_busy_notifier)) /* Check for reentrant bug. */
++		return NOTIFY_DONE;
+ 
++	spin_lock(&raw_notifier_lock);
++	list_for_each_entry(raw_busy_notifier, &raw_notifier_list, notifier) {
++		spin_unlock(&raw_notifier_lock);
++		raw_notify(raw_busy_notifier, msg, dev);
++		spin_lock(&raw_notifier_lock);
++	}
++	raw_busy_notifier = NULL;
++	spin_unlock(&raw_notifier_lock);
+ 	return NOTIFY_DONE;
+ }
+ 
+@@ -338,9 +358,9 @@ static int raw_init(struct sock *sk)
+ 		return -ENOMEM;
+ 
+ 	/* set notifier */
+-	ro->notifier.notifier_call = raw_notifier;
+-
+-	register_netdevice_notifier(&ro->notifier);
++	spin_lock(&raw_notifier_lock);
++	list_add_tail(&ro->notifier, &raw_notifier_list);
++	spin_unlock(&raw_notifier_lock);
+ 
+ 	return 0;
+ }
+@@ -355,7 +375,14 @@ static int raw_release(struct socket *sock)
+ 
+ 	ro = raw_sk(sk);
+ 
+-	unregister_netdevice_notifier(&ro->notifier);
++	spin_lock(&raw_notifier_lock);
++	while (raw_busy_notifier == ro) {
++		spin_unlock(&raw_notifier_lock);
++		schedule_timeout_uninterruptible(1);
++		spin_lock(&raw_notifier_lock);
++	}
++	list_del(&ro->notifier);
++	spin_unlock(&raw_notifier_lock);
+ 
+ 	lock_sock(sk);
+ 
+@@ -870,6 +897,10 @@ static const struct can_proto raw_can_proto = {
+ 	.prot       = &raw_proto,
+ };
+ 
++static struct notifier_block canraw_notifier = {
++	.notifier_call = raw_notifier
++};
++
+ static __init int raw_module_init(void)
+ {
+ 	int err;
+@@ -879,6 +910,8 @@ static __init int raw_module_init(void)
+ 	err = can_proto_register(&raw_can_proto);
+ 	if (err < 0)
+ 		printk(KERN_ERR "can: registration of raw protocol failed\n");
++	else
++		register_netdevice_notifier(&canraw_notifier);
+ 
+ 	return err;
+ }
+@@ -886,6 +919,7 @@ static __init int raw_module_init(void)
+ static __exit void raw_module_exit(void)
+ {
+ 	can_proto_unregister(&raw_can_proto);
++	unregister_netdevice_notifier(&canraw_notifier);
+ }
+ 
+ module_init(raw_module_init);
+diff --git a/net/compat.c b/net/compat.c
+index 2a8c7cb5f06a8..2778a236e0917 100644
+--- a/net/compat.c
++++ b/net/compat.c
+@@ -158,7 +158,7 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk,
+ 	if (kcmlen > stackbuf_size)
+ 		kcmsg_base = kcmsg = sock_kmalloc(sk, kcmlen, GFP_KERNEL);
+ 	if (kcmsg == NULL)
+-		return -ENOBUFS;
++		return -ENOMEM;
+ 
+ 	/* Now copy them over neatly. */
+ 	memset(kcmsg, 0, kcmlen);
+diff --git a/net/core/ethtool.c b/net/core/ethtool.c
+index 83028017c26dd..4db9512feba83 100644
+--- a/net/core/ethtool.c
++++ b/net/core/ethtool.c
+@@ -1594,7 +1594,7 @@ static int ethtool_get_any_eeprom(struct net_device *dev, void __user *useraddr,
+ 	if (eeprom.offset + eeprom.len > total_len)
+ 		return -EINVAL;
+ 
+-	data = kmalloc(PAGE_SIZE, GFP_USER);
++	data = kzalloc(PAGE_SIZE, GFP_USER);
+ 	if (!data)
+ 		return -ENOMEM;
+ 
+@@ -1659,7 +1659,7 @@ static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
+ 	if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
+ 		return -EINVAL;
+ 
+-	data = kmalloc(PAGE_SIZE, GFP_USER);
++	data = kzalloc(PAGE_SIZE, GFP_USER);
+ 	if (!data)
+ 		return -ENOMEM;
+ 
+@@ -1840,7 +1840,7 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
+ 		return -EFAULT;
+ 
+ 	test.len = test_len;
+-	data = kmalloc_array(test_len, sizeof(u64), GFP_USER);
++	data = kcalloc(test_len, sizeof(u64), GFP_USER);
+ 	if (!data)
+ 		return -ENOMEM;
+ 
+@@ -2372,7 +2372,7 @@ static int ethtool_get_tunable(struct net_device *dev, void __user *useraddr)
+ 	ret = ethtool_tunable_valid(&tuna);
+ 	if (ret)
+ 		return ret;
+-	data = kmalloc(tuna.len, GFP_USER);
++	data = kzalloc(tuna.len, GFP_USER);
+ 	if (!data)
+ 		return -ENOMEM;
+ 	ret = ops->get_tunable(dev, &tuna, data);
+@@ -2552,7 +2552,7 @@ static int get_phy_tunable(struct net_device *dev, void __user *useraddr)
+ 	ret = ethtool_phy_tunable_valid(&tuna);
+ 	if (ret)
+ 		return ret;
+-	data = kmalloc(tuna.len, GFP_USER);
++	data = kzalloc(tuna.len, GFP_USER);
+ 	if (!data)
+ 		return -ENOMEM;
+ 	mutex_lock(&phydev->lock);
+diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
+index 8916c5d9b3b3a..46a13ed15c4e8 100644
+--- a/net/core/fib_rules.c
++++ b/net/core/fib_rules.c
+@@ -1105,7 +1105,7 @@ static void notify_rule_change(int event, struct fib_rule *rule,
+ {
+ 	struct net *net;
+ 	struct sk_buff *skb;
+-	int err = -ENOBUFS;
++	int err = -ENOMEM;
+ 
+ 	net = ops->fro_net;
+ 	skb = nlmsg_new(fib_rule_nlmsg_size(ops, rule), GFP_KERNEL);
+diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
+index c60123dff8039..939d8a31eb82a 100644
+--- a/net/core/net_namespace.c
++++ b/net/core/net_namespace.c
+@@ -598,6 +598,18 @@ void __put_net(struct net *net)
+ }
+ EXPORT_SYMBOL_GPL(__put_net);
+ 
++/**
++ * get_net_ns - increment the refcount of the network namespace
++ * @ns: common namespace (net)
++ *
++ * Returns the net's common namespace.
++ */
++struct ns_common *get_net_ns(struct ns_common *ns)
++{
++	return &get_net(container_of(ns, struct net, ns))->ns;
++}
++EXPORT_SYMBOL_GPL(get_net_ns);
++
+ struct net *get_net_ns_by_fd(int fd)
+ {
+ 	struct file *file;
+diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
+index 935053ee7765d..055fd09ac1114 100644
+--- a/net/core/rtnetlink.c
++++ b/net/core/rtnetlink.c
+@@ -4102,6 +4102,10 @@ static int rtnl_bridge_notify(struct net_device *dev)
+ 	if (err < 0)
+ 		goto errout;
+ 
++	/* Notification info is only filled for bridge ports, not the bridge
++	 * device itself. Therefore, a zero notification length is valid and
++	 * should not result in an error.
++	 */
+ 	if (!skb->len)
+ 		goto errout;
+ 
+diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
+index b1c55db737648..6d4c71a52b6b2 100644
+--- a/net/ieee802154/nl802154.c
++++ b/net/ieee802154/nl802154.c
+@@ -1315,19 +1315,20 @@ ieee802154_llsec_parse_dev_addr(struct nlattr *nla,
+ 				     nl802154_dev_addr_policy, NULL))
+ 		return -EINVAL;
+ 
+-	if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] ||
+-	    !attrs[NL802154_DEV_ADDR_ATTR_MODE] ||
+-	    !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] ||
+-	      attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]))
++	if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || !attrs[NL802154_DEV_ADDR_ATTR_MODE])
+ 		return -EINVAL;
+ 
+ 	addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]);
+ 	addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]);
+ 	switch (addr->mode) {
+ 	case NL802154_DEV_ADDR_SHORT:
++		if (!attrs[NL802154_DEV_ADDR_ATTR_SHORT])
++			return -EINVAL;
+ 		addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]);
+ 		break;
+ 	case NL802154_DEV_ADDR_EXTENDED:
++		if (!attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])
++			return -EINVAL;
+ 		addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]);
+ 		break;
+ 	default:
+diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
+index 6a1b52b34e205..e8b8dd1cb1576 100644
+--- a/net/ipv4/cipso_ipv4.c
++++ b/net/ipv4/cipso_ipv4.c
+@@ -486,6 +486,7 @@ void cipso_v4_doi_free(struct cipso_v4_doi *doi_def)
+ 		kfree(doi_def->map.std->lvl.local);
+ 		kfree(doi_def->map.std->cat.cipso);
+ 		kfree(doi_def->map.std->cat.local);
++		kfree(doi_def->map.std);
+ 		break;
+ 	}
+ 	kfree(doi_def);
+diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
+index b048125ea0994..dde6cf82e9f0a 100644
+--- a/net/ipv4/icmp.c
++++ b/net/ipv4/icmp.c
+@@ -744,6 +744,13 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
+ 		icmp_param.data_len = room;
+ 	icmp_param.head_len = sizeof(struct icmphdr);
+ 
++	/* if we don't have a source address at this point, fall back to the
++	 * dummy address instead of sending out a packet with a source address
++	 * of 0.0.0.0
++	 */
++	if (!fl4.saddr)
++		fl4.saddr = htonl(INADDR_DUMMY);
++
+ 	icmp_push_reply(&icmp_param, &fl4, &ipc, &rt);
+ ende:
+ 	ip_rt_put(rt);
+diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
+index 523d26f5e22e2..ffa847fc96194 100644
+--- a/net/ipv4/igmp.c
++++ b/net/ipv4/igmp.c
+@@ -1816,6 +1816,7 @@ void ip_mc_destroy_dev(struct in_device *in_dev)
+ 	while ((i = rtnl_dereference(in_dev->mc_list)) != NULL) {
+ 		in_dev->mc_list = i->next_rcu;
+ 		in_dev->mc_count--;
++		ip_mc_clear_src(i);
+ 		ip_ma_put(i);
+ 	}
+ }
+diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
+index 88212615bf4ce..58719b9635d90 100644
+--- a/net/ipv4/ipconfig.c
++++ b/net/ipv4/ipconfig.c
+@@ -866,7 +866,7 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
+ 
+ 
+ /*
+- *  Copy BOOTP-supplied string if not already set.
++ *  Copy BOOTP-supplied string
+  */
+ static int __init ic_bootp_string(char *dest, char *src, int len, int max)
+ {
+@@ -915,12 +915,15 @@ static void __init ic_do_bootp_ext(u8 *ext)
+ 		}
+ 		break;
+ 	case 12:	/* Host name */
+-		ic_bootp_string(utsname()->nodename, ext+1, *ext,
+-				__NEW_UTS_LEN);
+-		ic_host_name_set = 1;
++		if (!ic_host_name_set) {
++			ic_bootp_string(utsname()->nodename, ext+1, *ext,
++					__NEW_UTS_LEN);
++			ic_host_name_set = 1;
++		}
+ 		break;
+ 	case 15:	/* Domain name (DNS) */
+-		ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
++		if (!ic_domain[0])
++			ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
+ 		break;
+ 	case 17:	/* Root path */
+ 		if (!root_server_path[0])
+diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
+index c59144502ee88..862744c285482 100644
+--- a/net/ipv4/ping.c
++++ b/net/ipv4/ping.c
+@@ -968,6 +968,7 @@ bool ping_rcv(struct sk_buff *skb)
+ 	struct sock *sk;
+ 	struct net *net = dev_net(skb->dev);
+ 	struct icmphdr *icmph = icmp_hdr(skb);
++	bool rc = false;
+ 
+ 	/* We assume the packet has already been checked by icmp_rcv */
+ 
+@@ -982,14 +983,15 @@ bool ping_rcv(struct sk_buff *skb)
+ 		struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
+ 
+ 		pr_debug("rcv on socket %p\n", sk);
+-		if (skb2)
+-			ping_queue_rcv_skb(sk, skb2);
++		if (skb2 && !ping_queue_rcv_skb(sk, skb2))
++			rc = true;
+ 		sock_put(sk);
+-		return true;
+ 	}
+-	pr_debug("no socket, dropping\n");
+ 
+-	return false;
++	if (!rc)
++		pr_debug("no socket, dropping\n");
++
++	return rc;
+ }
+ EXPORT_SYMBOL_GPL(ping_rcv);
+ 
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 2fe50f6f876d4..484bd646df5fa 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -70,6 +70,7 @@
+ #include <linux/types.h>
+ #include <linux/kernel.h>
+ #include <linux/mm.h>
++#include <linux/bootmem.h>
+ #include <linux/string.h>
+ #include <linux/socket.h>
+ #include <linux/sockios.h>
+@@ -470,8 +471,10 @@ static void ipv4_confirm_neigh(const struct dst_entry *dst, const void *daddr)
+ 	__ipv4_confirm_neigh(dev, *(__force u32 *)pkey);
+ }
+ 
+-#define IP_IDENTS_SZ 2048u
+-
++/* Hash tables of size 2048..262144 depending on RAM size.
++ * Each bucket uses 8 bytes.
++ */
++static u32 ip_idents_mask __read_mostly;
+ static atomic_t *ip_idents __read_mostly;
+ static u32 *ip_tstamps __read_mostly;
+ 
+@@ -481,12 +484,16 @@ static u32 *ip_tstamps __read_mostly;
+  */
+ u32 ip_idents_reserve(u32 hash, int segs)
+ {
+-	u32 *p_tstamp = ip_tstamps + hash % IP_IDENTS_SZ;
+-	atomic_t *p_id = ip_idents + hash % IP_IDENTS_SZ;
+-	u32 old = READ_ONCE(*p_tstamp);
+-	u32 now = (u32)jiffies;
++	u32 bucket, old, now = (u32)jiffies;
++	atomic_t *p_id;
++	u32 *p_tstamp;
+ 	u32 delta = 0;
+ 
++	bucket = hash & ip_idents_mask;
++	p_tstamp = ip_tstamps + bucket;
++	p_id = ip_idents + bucket;
++	old = READ_ONCE(*p_tstamp);
++
+ 	if (old != now && cmpxchg(p_tstamp, old, now) == old)
+ 		delta = prandom_u32_max(now - old);
+ 
+@@ -3197,18 +3204,25 @@ struct ip_rt_acct __percpu *ip_rt_acct __read_mostly;
+ 
+ int __init ip_rt_init(void)
+ {
++	void *idents_hash;
+ 	int cpu;
+ 
+-	ip_idents = kmalloc_array(IP_IDENTS_SZ, sizeof(*ip_idents),
+-				  GFP_KERNEL);
+-	if (!ip_idents)
+-		panic("IP: failed to allocate ip_idents\n");
++	/* For modern hosts, this will use 2 MB of memory */
++	idents_hash = alloc_large_system_hash("IP idents",
++					      sizeof(*ip_idents) + sizeof(*ip_tstamps),
++					      0,
++					      16, /* one bucket per 64 KB */
++					      HASH_ZERO,
++					      NULL,
++					      &ip_idents_mask,
++					      2048,
++					      256*1024);
++
++	ip_idents = idents_hash;
+ 
+-	prandom_bytes(ip_idents, IP_IDENTS_SZ * sizeof(*ip_idents));
++	prandom_bytes(ip_idents, (ip_idents_mask + 1) * sizeof(*ip_idents));
+ 
+-	ip_tstamps = kcalloc(IP_IDENTS_SZ, sizeof(*ip_tstamps), GFP_KERNEL);
+-	if (!ip_tstamps)
+-		panic("IP: failed to allocate ip_tstamps\n");
++	ip_tstamps = idents_hash + (ip_idents_mask + 1) * sizeof(*ip_idents);
+ 
+ 	for_each_possible_cpu(cpu) {
+ 		struct uncached_list *ul = &per_cpu(rt_uncached_list, cpu);
+diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
+index 110af0e7dc7b6..2ff9f774d4463 100644
+--- a/net/ipv4/udp.c
++++ b/net/ipv4/udp.c
+@@ -2432,6 +2432,9 @@ void udp_destroy_sock(struct sock *sk)
+ {
+ 	struct udp_sock *up = udp_sk(sk);
+ 	bool slow = lock_sock_fast(sk);
++
++	/* protects from races with udp_abort() */
++	sock_set_flag(sk, SOCK_DEAD);
+ 	udp_flush_pending_frames(sk);
+ 	unlock_sock_fast(sk, slow);
+ 	if (static_branch_unlikely(&udp_encap_needed_key) && up->encap_type) {
+@@ -2673,10 +2676,17 @@ int udp_abort(struct sock *sk, int err)
+ {
+ 	lock_sock(sk);
+ 
++	/* udp{v6}_destroy_sock() sets it under the sk lock, avoid racing
++	 * with close()
++	 */
++	if (sock_flag(sk, SOCK_DEAD))
++		goto out;
++
+ 	sk->sk_err = err;
+ 	sk->sk_error_report(sk);
+ 	__udp_disconnect(sk, 0);
+ 
++out:
+ 	release_sock(sk);
+ 
+ 	return 0;
+diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
+index 6799ad462be30..c4a76c6af205d 100644
+--- a/net/ipv6/udp.c
++++ b/net/ipv6/udp.c
+@@ -1476,6 +1476,9 @@ void udpv6_destroy_sock(struct sock *sk)
+ {
+ 	struct udp_sock *up = udp_sk(sk);
+ 	lock_sock(sk);
++
++	/* protects from races with udp_abort() */
++	sock_set_flag(sk, SOCK_DEAD);
+ 	udp_v6_flush_pending_frames(sk);
+ 	release_sock(sk);
+ 
+diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
+index 6c9d9c94983ba..dea48696f994d 100644
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -1398,7 +1398,7 @@ ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
+ 	rcu_read_lock();
+ 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
+ 
+-	if (WARN_ON_ONCE(!chanctx_conf)) {
++	if (!chanctx_conf) {
+ 		rcu_read_unlock();
+ 		return NULL;
+ 	}
+diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
+index 2ba19decb1261..012697efafc35 100644
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -2124,17 +2124,15 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
+ 	sc = le16_to_cpu(hdr->seq_ctrl);
+ 	frag = sc & IEEE80211_SCTL_FRAG;
+ 
+-	if (is_multicast_ether_addr(hdr->addr1)) {
+-		I802_DEBUG_INC(rx->local->dot11MulticastReceivedFrameCount);
+-		goto out_no_led;
+-	}
+-
+ 	if (rx->sta)
+ 		cache = &rx->sta->frags;
+ 
+ 	if (likely(!ieee80211_has_morefrags(fc) && frag == 0))
+ 		goto out;
+ 
++	if (is_multicast_ether_addr(hdr->addr1))
++		return RX_DROP_MONITOR;
++
+ 	I802_DEBUG_INC(rx->local->rx_handlers_fragments);
+ 
+ 	if (skb_linearize(rx->skb))
+@@ -2260,7 +2258,6 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
+ 
+  out:
+ 	ieee80211_led_rx(rx->local);
+- out_no_led:
+ 	if (rx->sta)
+ 		rx->sta->rx_stats.packets++;
+ 	return RX_CONTINUE;
+diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c
+index 353a2aa80c3cc..04b07b63c5408 100644
+--- a/net/netfilter/nf_synproxy_core.c
++++ b/net/netfilter/nf_synproxy_core.c
+@@ -34,6 +34,9 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff,
+ 	int length = (th->doff * 4) - sizeof(*th);
+ 	u8 buf[40], *ptr;
+ 
++	if (unlikely(length < 0))
++		return false;
++
+ 	ptr = skb_header_pointer(skb, doff + sizeof(*th), length, buf);
+ 	if (ptr == NULL)
+ 		return false;
+@@ -50,6 +53,8 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff,
+ 			length--;
+ 			continue;
+ 		default:
++			if (length < 2)
++				return true;
+ 			opsize = *ptr++;
+ 			if (opsize < 2)
+ 				return true;
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+index 16b745d254fea..8d9005019ef78 100644
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -2656,7 +2656,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
+ 	}
+ 	if (likely(saddr == NULL)) {
+ 		dev	= packet_cached_dev_get(po);
+-		proto	= po->num;
++		proto	= READ_ONCE(po->num);
+ 	} else {
+ 		err = -EINVAL;
+ 		if (msg->msg_namelen < sizeof(struct sockaddr_ll))
+@@ -2869,7 +2869,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
+ 
+ 	if (likely(saddr == NULL)) {
+ 		dev	= packet_cached_dev_get(po);
+-		proto	= po->num;
++		proto	= READ_ONCE(po->num);
+ 	} else {
+ 		err = -EINVAL;
+ 		if (msg->msg_namelen < sizeof(struct sockaddr_ll))
+@@ -3141,7 +3141,7 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex,
+ 			/* prevents packet_notifier() from calling
+ 			 * register_prot_hook()
+ 			 */
+-			po->num = 0;
++			WRITE_ONCE(po->num, 0);
+ 			__unregister_prot_hook(sk, true);
+ 			rcu_read_lock();
+ 			dev_curr = po->prot_hook.dev;
+@@ -3151,17 +3151,17 @@ static int packet_do_bind(struct sock *sk, const char *name, int ifindex,
+ 		}
+ 
+ 		BUG_ON(po->running);
+-		po->num = proto;
++		WRITE_ONCE(po->num, proto);
+ 		po->prot_hook.type = proto;
+ 
+ 		if (unlikely(unlisted)) {
+ 			dev_put(dev);
+ 			po->prot_hook.dev = NULL;
+-			po->ifindex = -1;
++			WRITE_ONCE(po->ifindex, -1);
+ 			packet_cached_dev_reset(po);
+ 		} else {
+ 			po->prot_hook.dev = dev;
+-			po->ifindex = dev ? dev->ifindex : 0;
++			WRITE_ONCE(po->ifindex, dev ? dev->ifindex : 0);
+ 			packet_cached_dev_assign(po, dev);
+ 		}
+ 	}
+@@ -3476,7 +3476,7 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
+ 	uaddr->sa_family = AF_PACKET;
+ 	memset(uaddr->sa_data, 0, sizeof(uaddr->sa_data));
+ 	rcu_read_lock();
+-	dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex);
++	dev = dev_get_by_index_rcu(sock_net(sk), READ_ONCE(pkt_sk(sk)->ifindex));
+ 	if (dev)
+ 		strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
+ 	rcu_read_unlock();
+@@ -3491,16 +3491,18 @@ static int packet_getname(struct socket *sock, struct sockaddr *uaddr,
+ 	struct sock *sk = sock->sk;
+ 	struct packet_sock *po = pkt_sk(sk);
+ 	DECLARE_SOCKADDR(struct sockaddr_ll *, sll, uaddr);
++	int ifindex;
+ 
+ 	if (peer)
+ 		return -EOPNOTSUPP;
+ 
++	ifindex = READ_ONCE(po->ifindex);
+ 	sll->sll_family = AF_PACKET;
+-	sll->sll_ifindex = po->ifindex;
+-	sll->sll_protocol = po->num;
++	sll->sll_ifindex = ifindex;
++	sll->sll_protocol = READ_ONCE(po->num);
+ 	sll->sll_pkttype = 0;
+ 	rcu_read_lock();
+-	dev = dev_get_by_index_rcu(sock_net(sk), po->ifindex);
++	dev = dev_get_by_index_rcu(sock_net(sk), ifindex);
+ 	if (dev) {
+ 		sll->sll_hatype = dev->type;
+ 		sll->sll_halen = dev->addr_len;
+@@ -4079,7 +4081,7 @@ static int packet_notifier(struct notifier_block *this,
+ 				}
+ 				if (msg == NETDEV_UNREGISTER) {
+ 					packet_cached_dev_reset(po);
+-					po->ifindex = -1;
++					WRITE_ONCE(po->ifindex, -1);
+ 					if (po->prot_hook.dev)
+ 						dev_put(po->prot_hook.dev);
+ 					po->prot_hook.dev = NULL;
+@@ -4391,7 +4393,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
+ 	was_running = po->running;
+ 	num = po->num;
+ 	if (was_running) {
+-		po->num = 0;
++		WRITE_ONCE(po->num, 0);
+ 		__unregister_prot_hook(sk, false);
+ 	}
+ 	spin_unlock(&po->bind_lock);
+@@ -4426,7 +4428,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
+ 
+ 	spin_lock(&po->bind_lock);
+ 	if (was_running) {
+-		po->num = num;
++		WRITE_ONCE(po->num, num);
+ 		register_prot_hook(sk);
+ 	}
+ 	spin_unlock(&po->bind_lock);
+@@ -4597,8 +4599,8 @@ static int packet_seq_show(struct seq_file *seq, void *v)
+ 			   s,
+ 			   refcount_read(&s->sk_refcnt),
+ 			   s->sk_type,
+-			   ntohs(po->num),
+-			   po->ifindex,
++			   ntohs(READ_ONCE(po->num)),
++			   READ_ONCE(po->ifindex),
+ 			   po->running,
+ 			   atomic_read(&s->sk_rmem_alloc),
+ 			   from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)),
+diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
+index 43f63d0606ec1..1e2772913957d 100644
+--- a/net/qrtr/qrtr.c
++++ b/net/qrtr/qrtr.c
+@@ -264,7 +264,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len)
+ 	const struct qrtr_hdr_v2 *v2;
+ 	struct sk_buff *skb;
+ 	struct qrtr_cb *cb;
+-	unsigned int size;
++	size_t size;
+ 	unsigned int ver;
+ 	size_t hdrlen;
+ 
+diff --git a/net/rds/recv.c b/net/rds/recv.c
+index 3ca278988b529..ccf0bf283002c 100644
+--- a/net/rds/recv.c
++++ b/net/rds/recv.c
+@@ -705,7 +705,7 @@ int rds_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
+ 
+ 		if (rds_cmsg_recv(inc, msg, rs)) {
+ 			ret = -EFAULT;
+-			goto out;
++			break;
+ 		}
+ 		rds_recvmsg_zcookie(rs, msg);
+ 
+diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
+index 32712e7dcbdc2..2025f0f559deb 100644
+--- a/net/sched/sch_cake.c
++++ b/net/sched/sch_cake.c
+@@ -900,7 +900,7 @@ static struct tcphdr *cake_get_tcphdr(const struct sk_buff *skb,
+ 	}
+ 
+ 	tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph);
+-	if (!tcph)
++	if (!tcph || tcph->doff < 5)
+ 		return NULL;
+ 
+ 	return skb_header_pointer(skb, offset,
+@@ -924,6 +924,8 @@ static const void *cake_get_tcpopt(const struct tcphdr *tcph,
+ 			length--;
+ 			continue;
+ 		}
++		if (length < 2)
++			break;
+ 		opsize = *ptr++;
+ 		if (opsize < 2 || opsize > length)
+ 			break;
+@@ -1061,6 +1063,8 @@ static bool cake_tcph_may_drop(const struct tcphdr *tcph,
+ 			length--;
+ 			continue;
+ 		}
++		if (length < 2)
++			break;
+ 		opsize = *ptr++;
+ 		if (opsize < 2 || opsize > length)
+ 			break;
+diff --git a/net/socket.c b/net/socket.c
+index 29169045dcfe5..f14bca00ff010 100644
+--- a/net/socket.c
++++ b/net/socket.c
+@@ -384,6 +384,18 @@ static struct file_system_type sock_fs_type = {
+  *	but we take care of internal coherence yet.
+  */
+ 
++/**
++ *	sock_alloc_file - Bind a &socket to a &file
++ *	@sock: socket
++ *	@flags: file status flags
++ *	@dname: protocol name
++ *
++ *	Returns the &file bound with @sock, implicitly storing it
++ *	in sock->file. If dname is %NULL, sets to "".
++ *	On failure the return is a ERR pointer (see linux/err.h).
++ *	This function uses GFP_KERNEL internally.
++ */
++
+ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname)
+ {
+ 	struct file *file;
+@@ -424,6 +436,14 @@ static int sock_map_fd(struct socket *sock, int flags)
+ 	return PTR_ERR(newfile);
+ }
+ 
++/**
++ *	sock_from_file - Return the &socket bounded to @file.
++ *	@file: file
++ *	@err: pointer to an error code return
++ *
++ *	On failure returns %NULL and assigns -ENOTSOCK to @err.
++ */
++
+ struct socket *sock_from_file(struct file *file, int *err)
+ {
+ 	if (file->f_op == &socket_file_ops)
+@@ -532,11 +552,11 @@ static const struct inode_operations sockfs_inode_ops = {
+ };
+ 
+ /**
+- *	sock_alloc	-	allocate a socket
++ *	sock_alloc - allocate a socket
+  *
+  *	Allocate a new inode and socket object. The two are bound together
+  *	and initialised. The socket is then returned. If we are out of inodes
+- *	NULL is returned.
++ *	NULL is returned. This functions uses GFP_KERNEL internally.
+  */
+ 
+ struct socket *sock_alloc(void)
+@@ -561,7 +581,7 @@ struct socket *sock_alloc(void)
+ EXPORT_SYMBOL(sock_alloc);
+ 
+ /**
+- *	sock_release	-	close a socket
++ *	sock_release - close a socket
+  *	@sock: socket to close
+  *
+  *	The socket is released from the protocol stack if it has a release
+@@ -617,6 +637,15 @@ void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags)
+ }
+ EXPORT_SYMBOL(__sock_tx_timestamp);
+ 
++/**
++ *	sock_sendmsg - send a message through @sock
++ *	@sock: socket
++ *	@msg: message to send
++ *
++ *	Sends @msg through @sock, passing through LSM.
++ *	Returns the number of bytes sent, or an error code.
++ */
++
+ static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg)
+ {
+ 	int ret = sock->ops->sendmsg(sock, msg, msg_data_left(msg));
+@@ -633,6 +662,18 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg)
+ }
+ EXPORT_SYMBOL(sock_sendmsg);
+ 
++/**
++ *	kernel_sendmsg - send a message through @sock (kernel-space)
++ *	@sock: socket
++ *	@msg: message header
++ *	@vec: kernel vec
++ *	@num: vec array length
++ *	@size: total message data size
++ *
++ *	Builds the message data with @vec and sends it through @sock.
++ *	Returns the number of bytes sent, or an error code.
++ */
++
+ int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
+ 		   struct kvec *vec, size_t num, size_t size)
+ {
+@@ -641,6 +682,19 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
+ }
+ EXPORT_SYMBOL(kernel_sendmsg);
+ 
++/**
++ *	kernel_sendmsg_locked - send a message through @sock (kernel-space)
++ *	@sk: sock
++ *	@msg: message header
++ *	@vec: output s/g array
++ *	@num: output s/g array length
++ *	@size: total message data size
++ *
++ *	Builds the message data with @vec and sends it through @sock.
++ *	Returns the number of bytes sent, or an error code.
++ *	Caller must hold @sk.
++ */
++
+ int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg,
+ 			  struct kvec *vec, size_t num, size_t size)
+ {
+@@ -789,6 +843,16 @@ void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+ }
+ EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops);
+ 
++/**
++ *	sock_recvmsg - receive a message from @sock
++ *	@sock: socket
++ *	@msg: message to receive
++ *	@flags: message flags
++ *
++ *	Receives @msg from @sock, passing through LSM. Returns the total number
++ *	of bytes received, or an error.
++ */
++
+ static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
+ 				     int flags)
+ {
+@@ -804,20 +868,21 @@ int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags)
+ EXPORT_SYMBOL(sock_recvmsg);
+ 
+ /**
+- * kernel_recvmsg - Receive a message from a socket (kernel space)
+- * @sock:       The socket to receive the message from
+- * @msg:        Received message
+- * @vec:        Input s/g array for message data
+- * @num:        Size of input s/g array
+- * @size:       Number of bytes to read
+- * @flags:      Message flags (MSG_DONTWAIT, etc...)
++ *	kernel_recvmsg - Receive a message from a socket (kernel space)
++ *	@sock: The socket to receive the message from
++ *	@msg: Received message
++ *	@vec: Input s/g array for message data
++ *	@num: Size of input s/g array
++ *	@size: Number of bytes to read
++ *	@flags: Message flags (MSG_DONTWAIT, etc...)
+  *
+- * On return the msg structure contains the scatter/gather array passed in the
+- * vec argument. The array is modified so that it consists of the unfilled
+- * portion of the original array.
++ *	On return the msg structure contains the scatter/gather array passed in the
++ *	vec argument. The array is modified so that it consists of the unfilled
++ *	portion of the original array.
+  *
+- * The returned value is the total number of bytes received, or an error.
++ *	The returned value is the total number of bytes received, or an error.
+  */
++
+ int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
+ 		   struct kvec *vec, size_t num, size_t size, int flags)
+ {
+@@ -983,12 +1048,6 @@ static long sock_do_ioctl(struct net *net, struct socket *sock,
+  *	what to do with it - that's up to the protocol still.
+  */
+ 
+-struct ns_common *get_net_ns(struct ns_common *ns)
+-{
+-	return &get_net(container_of(ns, struct net, ns))->ns;
+-}
+-EXPORT_SYMBOL_GPL(get_net_ns);
+-
+ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
+ {
+ 	struct socket *sock;
+@@ -1077,6 +1136,19 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
+ 	return err;
+ }
+ 
++/**
++ *	sock_create_lite - creates a socket
++ *	@family: protocol family (AF_INET, ...)
++ *	@type: communication type (SOCK_STREAM, ...)
++ *	@protocol: protocol (0, ...)
++ *	@res: new socket
++ *
++ *	Creates a new socket and assigns it to @res, passing through LSM.
++ *	The new socket initialization is not complete, see kernel_accept().
++ *	Returns 0 or an error. On failure @res is set to %NULL.
++ *	This function internally uses GFP_KERNEL.
++ */
++
+ int sock_create_lite(int family, int type, int protocol, struct socket **res)
+ {
+ 	int err;
+@@ -1202,6 +1274,21 @@ call_kill:
+ }
+ EXPORT_SYMBOL(sock_wake_async);
+ 
++/**
++ *	__sock_create - creates a socket
++ *	@net: net namespace
++ *	@family: protocol family (AF_INET, ...)
++ *	@type: communication type (SOCK_STREAM, ...)
++ *	@protocol: protocol (0, ...)
++ *	@res: new socket
++ *	@kern: boolean for kernel space sockets
++ *
++ *	Creates a new socket and assigns it to @res, passing through LSM.
++ *	Returns 0 or an error. On failure @res is set to %NULL. @kern must
++ *	be set to true if the socket resides in kernel space.
++ *	This function internally uses GFP_KERNEL.
++ */
++
+ int __sock_create(struct net *net, int family, int type, int protocol,
+ 			 struct socket **res, int kern)
+ {
+@@ -1311,12 +1398,35 @@ out_release:
+ }
+ EXPORT_SYMBOL(__sock_create);
+ 
++/**
++ *	sock_create - creates a socket
++ *	@family: protocol family (AF_INET, ...)
++ *	@type: communication type (SOCK_STREAM, ...)
++ *	@protocol: protocol (0, ...)
++ *	@res: new socket
++ *
++ *	A wrapper around __sock_create().
++ *	Returns 0 or an error. This function internally uses GFP_KERNEL.
++ */
++
+ int sock_create(int family, int type, int protocol, struct socket **res)
+ {
+ 	return __sock_create(current->nsproxy->net_ns, family, type, protocol, res, 0);
+ }
+ EXPORT_SYMBOL(sock_create);
+ 
++/**
++ *	sock_create_kern - creates a socket (kernel space)
++ *	@net: net namespace
++ *	@family: protocol family (AF_INET, ...)
++ *	@type: communication type (SOCK_STREAM, ...)
++ *	@protocol: protocol (0, ...)
++ *	@res: new socket
++ *
++ *	A wrapper around __sock_create().
++ *	Returns 0 or an error. This function internally uses GFP_KERNEL.
++ */
++
+ int sock_create_kern(struct net *net, int family, int type, int protocol, struct socket **res)
+ {
+ 	return __sock_create(net, family, type, protocol, res, 1);
+@@ -3273,18 +3383,46 @@ static long compat_sock_ioctl(struct file *file, unsigned int cmd,
+ }
+ #endif
+ 
++/**
++ *	kernel_bind - bind an address to a socket (kernel space)
++ *	@sock: socket
++ *	@addr: address
++ *	@addrlen: length of address
++ *
++ *	Returns 0 or an error.
++ */
++
+ int kernel_bind(struct socket *sock, struct sockaddr *addr, int addrlen)
+ {
+ 	return sock->ops->bind(sock, addr, addrlen);
+ }
+ EXPORT_SYMBOL(kernel_bind);
+ 
++/**
++ *	kernel_listen - move socket to listening state (kernel space)
++ *	@sock: socket
++ *	@backlog: pending connections queue size
++ *
++ *	Returns 0 or an error.
++ */
++
+ int kernel_listen(struct socket *sock, int backlog)
+ {
+ 	return sock->ops->listen(sock, backlog);
+ }
+ EXPORT_SYMBOL(kernel_listen);
+ 
++/**
++ *	kernel_accept - accept a connection (kernel space)
++ *	@sock: listening socket
++ *	@newsock: new connected socket
++ *	@flags: flags
++ *
++ *	@flags must be SOCK_CLOEXEC, SOCK_NONBLOCK or 0.
++ *	If it fails, @newsock is guaranteed to be %NULL.
++ *	Returns 0 or an error.
++ */
++
+ int kernel_accept(struct socket *sock, struct socket **newsock, int flags)
+ {
+ 	struct sock *sk = sock->sk;
+@@ -3310,6 +3448,19 @@ done:
+ }
+ EXPORT_SYMBOL(kernel_accept);
+ 
++/**
++ *	kernel_connect - connect a socket (kernel space)
++ *	@sock: socket
++ *	@addr: address
++ *	@addrlen: address length
++ *	@flags: flags (O_NONBLOCK, ...)
++ *
++ *	For datagram sockets, @addr is the addres to which datagrams are sent
++ *	by default, and the only address from which datagrams are received.
++ *	For stream sockets, attempts to connect to @addr.
++ *	Returns 0 or an error code.
++ */
++
+ int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
+ 		   int flags)
+ {
+@@ -3317,18 +3468,48 @@ int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
+ }
+ EXPORT_SYMBOL(kernel_connect);
+ 
++/**
++ *	kernel_getsockname - get the address which the socket is bound (kernel space)
++ *	@sock: socket
++ *	@addr: address holder
++ *
++ * 	Fills the @addr pointer with the address which the socket is bound.
++ *	Returns 0 or an error code.
++ */
++
+ int kernel_getsockname(struct socket *sock, struct sockaddr *addr)
+ {
+ 	return sock->ops->getname(sock, addr, 0);
+ }
+ EXPORT_SYMBOL(kernel_getsockname);
+ 
++/**
++ *	kernel_peername - get the address which the socket is connected (kernel space)
++ *	@sock: socket
++ *	@addr: address holder
++ *
++ * 	Fills the @addr pointer with the address which the socket is connected.
++ *	Returns 0 or an error code.
++ */
++
+ int kernel_getpeername(struct socket *sock, struct sockaddr *addr)
+ {
+ 	return sock->ops->getname(sock, addr, 1);
+ }
+ EXPORT_SYMBOL(kernel_getpeername);
+ 
++/**
++ *	kernel_getsockopt - get a socket option (kernel space)
++ *	@sock: socket
++ *	@level: API level (SOL_SOCKET, ...)
++ *	@optname: option tag
++ *	@optval: option value
++ *	@optlen: option length
++ *
++ *	Assigns the option length to @optlen.
++ *	Returns 0 or an error.
++ */
++
+ int kernel_getsockopt(struct socket *sock, int level, int optname,
+ 			char *optval, int *optlen)
+ {
+@@ -3351,6 +3532,17 @@ int kernel_getsockopt(struct socket *sock, int level, int optname,
+ }
+ EXPORT_SYMBOL(kernel_getsockopt);
+ 
++/**
++ *	kernel_setsockopt - set a socket option (kernel space)
++ *	@sock: socket
++ *	@level: API level (SOL_SOCKET, ...)
++ *	@optname: option tag
++ *	@optval: option value
++ *	@optlen: option length
++ *
++ *	Returns 0 or an error.
++ */
++
+ int kernel_setsockopt(struct socket *sock, int level, int optname,
+ 			char *optval, unsigned int optlen)
+ {
+@@ -3371,6 +3563,17 @@ int kernel_setsockopt(struct socket *sock, int level, int optname,
+ }
+ EXPORT_SYMBOL(kernel_setsockopt);
+ 
++/**
++ *	kernel_sendpage - send a &page through a socket (kernel space)
++ *	@sock: socket
++ *	@page: page
++ *	@offset: page offset
++ *	@size: total size in bytes
++ *	@flags: flags (MSG_DONTWAIT, ...)
++ *
++ *	Returns the total amount sent in bytes or an error.
++ */
++
+ int kernel_sendpage(struct socket *sock, struct page *page, int offset,
+ 		    size_t size, int flags)
+ {
+@@ -3381,6 +3584,18 @@ int kernel_sendpage(struct socket *sock, struct page *page, int offset,
+ }
+ EXPORT_SYMBOL(kernel_sendpage);
+ 
++/**
++ *	kernel_sendpage_locked - send a &page through the locked sock (kernel space)
++ *	@sk: sock
++ *	@page: page
++ *	@offset: page offset
++ *	@size: total size in bytes
++ *	@flags: flags (MSG_DONTWAIT, ...)
++ *
++ *	Returns the total amount sent in bytes or an error.
++ *	Caller must hold @sk.
++ */
++
+ int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset,
+ 			   size_t size, int flags)
+ {
+@@ -3394,17 +3609,30 @@ int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset,
+ }
+ EXPORT_SYMBOL(kernel_sendpage_locked);
+ 
++/**
++ *	kernel_shutdown - shut down part of a full-duplex connection (kernel space)
++ *	@sock: socket
++ *	@how: connection part
++ *
++ *	Returns 0 or an error.
++ */
++
+ int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how)
+ {
+ 	return sock->ops->shutdown(sock, how);
+ }
+ EXPORT_SYMBOL(kernel_sock_shutdown);
+ 
+-/* This routine returns the IP overhead imposed by a socket i.e.
+- * the length of the underlying IP header, depending on whether
+- * this is an IPv4 or IPv6 socket and the length from IP options turned
+- * on at the socket. Assumes that the caller has a lock on the socket.
++/**
++ *	kernel_sock_ip_overhead - returns the IP overhead imposed by a socket
++ *	@sk: socket
++ *
++ *	This routine returns the IP overhead imposed by a socket i.e.
++ *	the length of the underlying IP header, depending on whether
++ *	this is an IPv4 or IPv6 socket and the length from IP options turned
++ *	on at the socket. Assumes that the caller has a lock on the socket.
+  */
++
+ u32 kernel_sock_ip_overhead(struct sock *sk)
+ {
+ 	struct inet_sock *inet;
+diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
+index 2020306468af4..53fe5ada5a83a 100644
+--- a/net/unix/af_unix.c
++++ b/net/unix/af_unix.c
+@@ -540,12 +540,14 @@ static void unix_release_sock(struct sock *sk, int embrion)
+ 	u->path.mnt = NULL;
+ 	state = sk->sk_state;
+ 	sk->sk_state = TCP_CLOSE;
++
++	skpair = unix_peer(sk);
++	unix_peer(sk) = NULL;
++
+ 	unix_state_unlock(sk);
+ 
+ 	wake_up_interruptible_all(&u->peer_wait);
+ 
+-	skpair = unix_peer(sk);
+-
+ 	if (skpair != NULL) {
+ 		if (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) {
+ 			unix_state_lock(skpair);
+@@ -560,7 +562,6 @@ static void unix_release_sock(struct sock *sk, int embrion)
+ 
+ 		unix_dgram_peer_wake_disconnect(sk, skpair);
+ 		sock_put(skpair); /* It may now die */
+-		unix_peer(sk) = NULL;
+ 	}
+ 
+ 	/* Try to flush out this socket. Throw out buffers at least */
+diff --git a/net/wireless/Makefile b/net/wireless/Makefile
+index 8158b375d1700..4500ad5f2a616 100644
+--- a/net/wireless/Makefile
++++ b/net/wireless/Makefile
+@@ -27,7 +27,7 @@ $(obj)/shipped-certs.c: $(wildcard $(srctree)/$(src)/certs/*.hex)
+ 	@$(kecho) "  GEN     $@"
+ 	@(echo '#include "reg.h"'; \
+ 	  echo 'const u8 shipped_regdb_certs[] = {'; \
+-	  cat $^ ; \
++	  echo | cat - $^ ; \
+ 	  echo '};'; \
+ 	  echo 'unsigned int shipped_regdb_certs_len = sizeof(shipped_regdb_certs);'; \
+ 	 ) > $@
+diff --git a/net/wireless/util.c b/net/wireless/util.c
+index c4536468dfbea..e7be500b64525 100644
+--- a/net/wireless/util.c
++++ b/net/wireless/util.c
+@@ -965,6 +965,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
+ 		case NL80211_IFTYPE_MESH_POINT:
+ 			/* mesh should be handled? */
+ 			break;
++		case NL80211_IFTYPE_OCB:
++			cfg80211_leave_ocb(rdev, dev);
++			break;
+ 		default:
+ 			break;
+ 		}
+diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
+index f43d037ea8520..f870027928363 100644
+--- a/net/x25/af_x25.c
++++ b/net/x25/af_x25.c
+@@ -551,7 +551,7 @@ static int x25_create(struct net *net, struct socket *sock, int protocol,
+ 	if (protocol)
+ 		goto out;
+ 
+-	rc = -ENOBUFS;
++	rc = -ENOMEM;
+ 	if ((sk = x25_alloc_socket(net, kern)) == NULL)
+ 		goto out;
+ 
+diff --git a/sound/soc/codecs/rt5659.c b/sound/soc/codecs/rt5659.c
+index b331b3ba61a9b..ab73f84b59709 100644
+--- a/sound/soc/codecs/rt5659.c
++++ b/sound/soc/codecs/rt5659.c
+@@ -2473,13 +2473,18 @@ static int set_dmic_power(struct snd_soc_dapm_widget *w,
+ 	return 0;
+ }
+ 
+-static const struct snd_soc_dapm_widget rt5659_dapm_widgets[] = {
++static const struct snd_soc_dapm_widget rt5659_particular_dapm_widgets[] = {
+ 	SND_SOC_DAPM_SUPPLY("LDO2", RT5659_PWR_ANLG_3, RT5659_PWR_LDO2_BIT, 0,
+ 		NULL, 0),
+-	SND_SOC_DAPM_SUPPLY("PLL", RT5659_PWR_ANLG_3, RT5659_PWR_PLL_BIT, 0,
+-		NULL, 0),
++	SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5659_PWR_ANLG_2, RT5659_PWR_MB1_BIT,
++		0, NULL, 0),
+ 	SND_SOC_DAPM_SUPPLY("Mic Det Power", RT5659_PWR_VOL,
+ 		RT5659_PWR_MIC_DET_BIT, 0, NULL, 0),
++};
++
++static const struct snd_soc_dapm_widget rt5659_dapm_widgets[] = {
++	SND_SOC_DAPM_SUPPLY("PLL", RT5659_PWR_ANLG_3, RT5659_PWR_PLL_BIT, 0,
++		NULL, 0),
+ 	SND_SOC_DAPM_SUPPLY("Mono Vref", RT5659_PWR_ANLG_1,
+ 		RT5659_PWR_VREF3_BIT, 0, NULL, 0),
+ 
+@@ -2504,8 +2509,6 @@ static const struct snd_soc_dapm_widget rt5659_dapm_widgets[] = {
+ 		RT5659_ADC_MONO_R_ASRC_SFT, 0, NULL, 0),
+ 
+ 	/* Input Side */
+-	SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5659_PWR_ANLG_2, RT5659_PWR_MB1_BIT,
+-		0, NULL, 0),
+ 	SND_SOC_DAPM_SUPPLY("MICBIAS2", RT5659_PWR_ANLG_2, RT5659_PWR_MB2_BIT,
+ 		0, NULL, 0),
+ 	SND_SOC_DAPM_SUPPLY("MICBIAS3", RT5659_PWR_ANLG_2, RT5659_PWR_MB3_BIT,
+@@ -3700,10 +3703,23 @@ static int rt5659_set_bias_level(struct snd_soc_component *component,
+ 
+ static int rt5659_probe(struct snd_soc_component *component)
+ {
++	struct snd_soc_dapm_context *dapm =
++		snd_soc_component_get_dapm(component);
+ 	struct rt5659_priv *rt5659 = snd_soc_component_get_drvdata(component);
+ 
+ 	rt5659->component = component;
+ 
++	switch (rt5659->pdata.jd_src) {
++	case RT5659_JD_HDA_HEADER:
++		break;
++
++	default:
++		snd_soc_dapm_new_controls(dapm,
++			rt5659_particular_dapm_widgets,
++			ARRAY_SIZE(rt5659_particular_dapm_widgets));
++		break;
++	}
++
+ 	return 0;
+ }
+ 
+diff --git a/tools/include/uapi/linux/in.h b/tools/include/uapi/linux/in.h
+index 48e8a225b985a..2a66ab49f14dd 100644
+--- a/tools/include/uapi/linux/in.h
++++ b/tools/include/uapi/linux/in.h
+@@ -280,6 +280,9 @@ struct sockaddr_in {
+ /* Address indicating an error return. */
+ #define	INADDR_NONE		((unsigned long int) 0xffffffff)
+ 
++/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */
++#define	INADDR_DUMMY		((unsigned long int) 0xc0000008)
++
+ /* Network number for local host loopback. */
+ #define	IN_LOOPBACKNET		127
+ 
+diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
+index fb5d2d1e0c048..b138fd5e4620a 100644
+--- a/tools/testing/selftests/kvm/lib/kvm_util.c
++++ b/tools/testing/selftests/kvm/lib/kvm_util.c
+@@ -55,7 +55,7 @@ int kvm_check_cap(long cap)
+ 		exit(KSFT_SKIP);
+ 
+ 	ret = ioctl(kvm_fd, KVM_CHECK_EXTENSION, cap);
+-	TEST_ASSERT(ret != -1, "KVM_CHECK_EXTENSION IOCTL failed,\n"
++	TEST_ASSERT(ret >= 0, "KVM_CHECK_EXTENSION IOCTL failed,\n"
+ 		"  rc: %i errno: %i", ret, errno);
+ 
+ 	close(kvm_fd);
+diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c b/virt/kvm/arm/vgic/vgic-kvm-device.c
+index 6ada2432e37c7..71d92096776e9 100644
+--- a/virt/kvm/arm/vgic/vgic-kvm-device.c
++++ b/virt/kvm/arm/vgic/vgic-kvm-device.c
+@@ -95,8 +95,8 @@ int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write)
+ 			r = vgic_v3_set_redist_base(kvm, 0, *addr, 0);
+ 			goto out;
+ 		}
+-		rdreg = list_first_entry(&vgic->rd_regions,
+-					 struct vgic_redist_region, list);
++		rdreg = list_first_entry_or_null(&vgic->rd_regions,
++						 struct vgic_redist_region, list);
+ 		if (!rdreg)
+ 			addr_ptr = &undef_value;
+ 		else