[gentoo-commits] proj/linux-patches:4.9 commit in: /

[Mike Pagano]

commit:     b0b7e47335f3cc4ccb6ea594f1a1c8d663651988
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat May  2 19:22:06 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat May  2 19:22:06 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=b0b7e473

Linux patch 4.9.221

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

 0000_README              |    4 +
 1220_linux-4.9.221.patch | 2303 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 2307 insertions(+)

diff --git a/0000_README b/0000_README
index ba1ce88..68ee429 100644
--- a/0000_README
+++ b/0000_README
@@ -923,6 +923,10 @@ Patch:  1219_linux-4.9.220.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.9.220
 
+Patch:  1220_linux-4.9.221.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.9.221
+
 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/1220_linux-4.9.221.patch b/1220_linux-4.9.221.patch
new file mode 100644
index 0000000..7ce4b5a
--- /dev/null
+++ b/1220_linux-4.9.221.patch
@@ -0,0 +1,2303 @@
+diff --git a/Makefile b/Makefile
+index e7866bc2d817..b919a66788b5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 220
++SUBLEVEL = 221
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+ 
+diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
+index 3a4014870a91..44c6ea0b86a6 100644
+--- a/arch/arm/mach-imx/Makefile
++++ b/arch/arm/mach-imx/Makefile
+@@ -86,8 +86,10 @@ AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
+ obj-$(CONFIG_SOC_IMX6) += suspend-imx6.o
+ obj-$(CONFIG_SOC_IMX53) += suspend-imx53.o
+ endif
++ifeq ($(CONFIG_ARM_CPU_SUSPEND),y)
+ AFLAGS_resume-imx6.o :=-Wa,-march=armv7-a
+ obj-$(CONFIG_SOC_IMX6) += resume-imx6.o
++endif
+ obj-$(CONFIG_SOC_IMX6) += pm-imx6.o
+ 
+ obj-$(CONFIG_SOC_IMX1) += mach-imx1.o
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index 2ad59d8553a5..b62886f10dc1 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -5785,7 +5785,7 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu,
+  */
+ static void kvm_machine_check(void)
+ {
+-#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_64)
++#if defined(CONFIG_X86_MCE)
+ 	struct pt_regs regs = {
+ 		.cs = 3, /* Fake ring 3 no matter what the guest ran on */
+ 		.flags = X86_EFLAGS_IF,
+diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
+index d9dabd0c31fc..eb5734112cb4 100644
+--- a/arch/x86/net/bpf_jit_comp.c
++++ b/arch/x86/net/bpf_jit_comp.c
+@@ -150,6 +150,19 @@ static bool is_ereg(u32 reg)
+ 			     BIT(BPF_REG_AX));
+ }
+ 
++/*
++ * is_ereg_8l() == true if BPF register 'reg' is mapped to access x86-64
++ * lower 8-bit registers dil,sil,bpl,spl,r8b..r15b, which need extra byte
++ * of encoding. al,cl,dl,bl have simpler encoding.
++ */
++static bool is_ereg_8l(u32 reg)
++{
++	return is_ereg(reg) ||
++	    (1 << reg) & (BIT(BPF_REG_1) |
++			  BIT(BPF_REG_2) |
++			  BIT(BPF_REG_FP));
++}
++
+ /* add modifiers if 'reg' maps to x64 registers r8..r15 */
+ static u8 add_1mod(u8 byte, u32 reg)
+ {
+@@ -771,9 +784,8 @@ st:			if (is_imm8(insn->off))
+ 			/* STX: *(u8*)(dst_reg + off) = src_reg */
+ 		case BPF_STX | BPF_MEM | BPF_B:
+ 			/* emit 'mov byte ptr [rax + off], al' */
+-			if (is_ereg(dst_reg) || is_ereg(src_reg) ||
+-			    /* have to add extra byte for x86 SIL, DIL regs */
+-			    src_reg == BPF_REG_1 || src_reg == BPF_REG_2)
++			if (is_ereg(dst_reg) || is_ereg_8l(src_reg))
++				/* Add extra byte for eregs or SIL,DIL,BPL in src_reg */
+ 				EMIT2(add_2mod(0x40, dst_reg, src_reg), 0x88);
+ 			else
+ 				EMIT1(0x88);
+diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
+index f9aa47ec7af7..b78f6a347f29 100644
+--- a/drivers/char/tpm/tpm_tis_core.c
++++ b/drivers/char/tpm/tpm_tis_core.c
+@@ -329,6 +329,9 @@ static void disable_interrupts(struct tpm_chip *chip)
+ 	u32 intmask;
+ 	int rc;
+ 
++	if (priv->irq == 0)
++		return;
++
+ 	rc = tpm_tis_read32(priv, TPM_INT_ENABLE(priv->locality), &intmask);
+ 	if (rc < 0)
+ 		intmask = 0;
+@@ -786,9 +789,12 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
+ 		if (irq) {
+ 			tpm_tis_probe_irq_single(chip, intmask, IRQF_SHARED,
+ 						 irq);
+-			if (!(chip->flags & TPM_CHIP_FLAG_IRQ))
++			if (!(chip->flags & TPM_CHIP_FLAG_IRQ)) {
+ 				dev_err(&chip->dev, FW_BUG
+ 					"TPM interrupt not working, polling instead\n");
++
++				disable_interrupts(chip);
++			}
+ 		} else {
+ 			tpm_tis_probe_irq(chip, intmask);
+ 		}
+diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
+index 78212ba16eeb..34839b539207 100644
+--- a/drivers/crypto/mxs-dcp.c
++++ b/drivers/crypto/mxs-dcp.c
+@@ -37,11 +37,11 @@
+  * Null hashes to align with hw behavior on imx6sl and ull
+  * these are flipped for consistency with hw output
+  */
+-const uint8_t sha1_null_hash[] =
++static const uint8_t sha1_null_hash[] =
+ 	"\x09\x07\xd8\xaf\x90\x18\x60\x95\xef\xbf"
+ 	"\x55\x32\x0d\x4b\x6b\x5e\xee\xa3\x39\xda";
+ 
+-const uint8_t sha256_null_hash[] =
++static const uint8_t sha256_null_hash[] =
+ 	"\x55\xb8\x52\x78\x1b\x99\x95\xa4"
+ 	"\x4c\x93\x9b\x64\xe4\x41\xae\x27"
+ 	"\x24\xb9\x6f\x99\xc8\xf4\xfb\x9a"
+diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
+index 569e8c45a59a..983ce7965c7f 100644
+--- a/drivers/gpu/drm/msm/msm_gem.c
++++ b/drivers/gpu/drm/msm/msm_gem.c
+@@ -58,7 +58,7 @@ static void sync_for_device(struct msm_gem_object *msm_obj)
+ {
+ 	struct device *dev = msm_obj->base.dev->dev;
+ 
+-	if (get_dma_ops(dev)) {
++	if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {
+ 		dma_sync_sg_for_device(dev, msm_obj->sgt->sgl,
+ 			msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
+ 	} else {
+@@ -71,7 +71,7 @@ static void sync_for_cpu(struct msm_gem_object *msm_obj)
+ {
+ 	struct device *dev = msm_obj->base.dev->dev;
+ 
+-	if (get_dma_ops(dev)) {
++	if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {
+ 		dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl,
+ 			msm_obj->sgt->nents, DMA_BIDIRECTIONAL);
+ 	} else {
+diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
+index 0f1f6421845f..85435e110ecd 100644
+--- a/drivers/hwmon/jc42.c
++++ b/drivers/hwmon/jc42.c
+@@ -508,7 +508,7 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
+ 	}
+ 	data->config = config;
+ 
+-	hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name,
++	hwmon_dev = devm_hwmon_device_register_with_info(dev, "jc42",
+ 							 data, &jc42_chip_info,
+ 							 NULL);
+ 	return PTR_ERR_OR_ZERO(hwmon_dev);
+diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
+index 143894a315d9..640ead6a2157 100644
+--- a/drivers/iio/adc/xilinx-xadc-core.c
++++ b/drivers/iio/adc/xilinx-xadc-core.c
+@@ -660,7 +660,7 @@ static int xadc_trigger_set_state(struct iio_trigger *trigger, bool state)
+ 
+ 	spin_lock_irqsave(&xadc->lock, flags);
+ 	xadc_read_reg(xadc, XADC_AXI_REG_IPIER, &val);
+-	xadc_write_reg(xadc, XADC_AXI_REG_IPISR, val & XADC_AXI_INT_EOS);
++	xadc_write_reg(xadc, XADC_AXI_REG_IPISR, XADC_AXI_INT_EOS);
+ 	if (state)
+ 		val |= XADC_AXI_INT_EOS;
+ 	else
+@@ -709,13 +709,14 @@ static int xadc_power_adc_b(struct xadc *xadc, unsigned int seq_mode)
+ {
+ 	uint16_t val;
+ 
++	/* Powerdown the ADC-B when it is not needed. */
+ 	switch (seq_mode) {
+ 	case XADC_CONF1_SEQ_SIMULTANEOUS:
+ 	case XADC_CONF1_SEQ_INDEPENDENT:
+-		val = XADC_CONF2_PD_ADC_B;
++		val = 0;
+ 		break;
+ 	default:
+-		val = 0;
++		val = XADC_CONF2_PD_ADC_B;
+ 		break;
+ 	}
+ 
+@@ -784,6 +785,16 @@ static int xadc_preenable(struct iio_dev *indio_dev)
+ 	if (ret)
+ 		goto err;
+ 
++	/*
++	 * In simultaneous mode the upper and lower aux channels are samples at
++	 * the same time. In this mode the upper 8 bits in the sequencer
++	 * register are don't care and the lower 8 bits control two channels
++	 * each. As such we must set the bit if either the channel in the lower
++	 * group or the upper group is enabled.
++	 */
++	if (seq_mode == XADC_CONF1_SEQ_SIMULTANEOUS)
++		scan_mask = ((scan_mask >> 8) | scan_mask) & 0xff0000;
++
+ 	ret = xadc_write_adc_reg(xadc, XADC_REG_SEQ(1), scan_mask >> 16);
+ 	if (ret)
+ 		goto err;
+diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
+index 8725e406a9eb..00ba09fa6f16 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1879,7 +1879,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
+ 			continue;
+ 		}
+ 
+-		if (time_after(jiffies, timeo) && !chip_ready(map, adr))
++		/*
++		 * We check "time_after" and "!chip_good" before checking "chip_good" to avoid
++		 * the failure due to scheduling.
++		 */
++		if (time_after(jiffies, timeo) && !chip_good(map, adr, datum))
+ 			break;
+ 
+ 		if (chip_good(map, adr, datum)) {
+diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h
+index 81044000ce75..85c44bfba55a 100644
+--- a/drivers/net/dsa/b53/b53_regs.h
++++ b/drivers/net/dsa/b53/b53_regs.h
+@@ -261,7 +261,7 @@
+  *
+  * BCM5325 and BCM5365 share most definitions below
+  */
+-#define B53_ARLTBL_MAC_VID_ENTRY(n)	(0x10 * (n))
++#define B53_ARLTBL_MAC_VID_ENTRY(n)	((0x10 * (n)) + 0x10)
+ #define   ARLTBL_MAC_MASK		0xffffffffffffULL
+ #define   ARLTBL_VID_S			48
+ #define   ARLTBL_VID_MASK_25		0xff
+@@ -273,7 +273,7 @@
+ #define   ARLTBL_VALID_25		BIT(63)
+ 
+ /* ARL Table Data Entry N Registers (32 bit) */
+-#define B53_ARLTBL_DATA_ENTRY(n)	((0x10 * (n)) + 0x08)
++#define B53_ARLTBL_DATA_ENTRY(n)	((0x10 * (n)) + 0x18)
+ #define   ARLTBL_DATA_PORT_ID_MASK	0x1ff
+ #define   ARLTBL_TC(tc)			((3 & tc) << 11)
+ #define   ARLTBL_AGE			BIT(14)
+diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+index b4b435276a18..62bc2af9cde7 100644
+--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
++++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+@@ -3400,7 +3400,7 @@ int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver)
+ 		 FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_VERSION));
+ 	ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
+ 			      &param, &val);
+-	if (ret < 0)
++	if (ret)
+ 		return ret;
+ 	*phy_fw_ver = val;
+ 	return 0;
+diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
+index da8bf327a3e9..df2ee65a33e3 100644
+--- a/drivers/net/macsec.c
++++ b/drivers/net/macsec.c
+@@ -3209,11 +3209,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
+ 			  struct nlattr *tb[], struct nlattr *data[])
+ {
+ 	struct macsec_dev *macsec = macsec_priv(dev);
++	rx_handler_func_t *rx_handler;
++	u8 icv_len = DEFAULT_ICV_LEN;
+ 	struct net_device *real_dev;
+-	int err;
++	int err, mtu;
+ 	sci_t sci;
+-	u8 icv_len = DEFAULT_ICV_LEN;
+-	rx_handler_func_t *rx_handler;
+ 
+ 	if (!tb[IFLA_LINK])
+ 		return -EINVAL;
+@@ -3229,7 +3229,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
+ 
+ 	if (data && data[IFLA_MACSEC_ICV_LEN])
+ 		icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]);
+-	dev->mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
++	mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
++	if (mtu < 0)
++		dev->mtu = 0;
++	else
++		dev->mtu = mtu;
+ 
+ 	rx_handler = rtnl_dereference(real_dev->rx_handler);
+ 	if (rx_handler && rx_handler != macsec_handle_frame)
+diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
+index 294881621430..4f582ce929f2 100644
+--- a/drivers/net/macvlan.c
++++ b/drivers/net/macvlan.c
+@@ -1607,7 +1607,7 @@ static int macvlan_device_event(struct notifier_block *unused,
+ 						struct macvlan_dev,
+ 						list);
+ 
+-		if (macvlan_sync_address(vlan->dev, dev->dev_addr))
++		if (vlan && macvlan_sync_address(vlan->dev, dev->dev_addr))
+ 			return NOTIFY_BAD;
+ 
+ 		break;
+diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
+index d0c18e3557f1..cea6d2eabe7e 100644
+--- a/drivers/net/team/team.c
++++ b/drivers/net/team/team.c
+@@ -480,6 +480,9 @@ static const struct team_mode *team_mode_get(const char *kind)
+ 	struct team_mode_item *mitem;
+ 	const struct team_mode *mode = NULL;
+ 
++	if (!try_module_get(THIS_MODULE))
++		return NULL;
++
+ 	spin_lock(&mode_list_lock);
+ 	mitem = __find_mode(kind);
+ 	if (!mitem) {
+@@ -495,6 +498,7 @@ static const struct team_mode *team_mode_get(const char *kind)
+ 	}
+ 
+ 	spin_unlock(&mode_list_lock);
++	module_put(THIS_MODULE);
+ 	return mode;
+ }
+ 
+diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
+index b12fe65d07f8..4a5fde58974a 100644
+--- a/drivers/pci/pcie/aspm.c
++++ b/drivers/pci/pcie/aspm.c
+@@ -57,6 +57,7 @@ struct pcie_link_state {
+ 	u32 clkpm_capable:1;		/* Clock PM capable? */
+ 	u32 clkpm_enabled:1;		/* Current Clock PM state */
+ 	u32 clkpm_default:1;		/* Default Clock PM state by BIOS */
++	u32 clkpm_disable:1;		/* Clock PM disabled */
+ 
+ 	/* Exit latencies */
+ 	struct aspm_latency latency_up;	/* Upstream direction exit latency */
+@@ -138,8 +139,11 @@ static void pcie_set_clkpm_nocheck(struct pcie_link_state *link, int enable)
+ 
+ static void pcie_set_clkpm(struct pcie_link_state *link, int enable)
+ {
+-	/* Don't enable Clock PM if the link is not Clock PM capable */
+-	if (!link->clkpm_capable)
++	/*
++	 * Don't enable Clock PM if the link is not Clock PM capable
++	 * or Clock PM is disabled
++	 */
++	if (!link->clkpm_capable || link->clkpm_disable)
+ 		enable = 0;
+ 	/* Need nothing if the specified equals to current state */
+ 	if (link->clkpm_enabled == enable)
+@@ -169,7 +173,8 @@ static void pcie_clkpm_cap_init(struct pcie_link_state *link, int blacklist)
+ 	}
+ 	link->clkpm_enabled = enabled;
+ 	link->clkpm_default = enabled;
+-	link->clkpm_capable = (blacklist) ? 0 : capable;
++	link->clkpm_capable = capable;
++	link->clkpm_disable = blacklist ? 1 : 0;
+ }
+ 
+ static bool pcie_retrain_link(struct pcie_link_state *link)
+@@ -773,10 +778,9 @@ static void __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem)
+ 		link->aspm_disable |= ASPM_STATE_L1;
+ 	pcie_config_aspm_link(link, policy_to_aspm_state(link));
+ 
+-	if (state & PCIE_LINK_STATE_CLKPM) {
+-		link->clkpm_capable = 0;
+-		pcie_set_clkpm(link, 0);
+-	}
++	if (state & PCIE_LINK_STATE_CLKPM)
++		link->clkpm_disable = 1;
++	pcie_set_clkpm(link, policy_to_clkpm_state(link));
+ 	mutex_unlock(&aspm_lock);
+ 	if (sem)
+ 		up_read(&pci_bus_sem);
+diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c
+index c5dbf16d810b..aeed963f827b 100644
+--- a/drivers/pwm/pwm-bcm2835.c
++++ b/drivers/pwm/pwm-bcm2835.c
+@@ -166,6 +166,7 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
+ 
+ 	pc->chip.dev = &pdev->dev;
+ 	pc->chip.ops = &bcm2835_pwm_ops;
++	pc->chip.base = -1;
+ 	pc->chip.npwm = 2;
+ 
+ 	platform_set_drvdata(pdev, pc);
+diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
+index 0fcf94ffad32..c298bec25a90 100644
+--- a/drivers/pwm/pwm-rcar.c
++++ b/drivers/pwm/pwm-rcar.c
+@@ -236,24 +236,28 @@ static int rcar_pwm_probe(struct platform_device *pdev)
+ 	rcar_pwm->chip.base = -1;
+ 	rcar_pwm->chip.npwm = 1;
+ 
++	pm_runtime_enable(&pdev->dev);
++
+ 	ret = pwmchip_add(&rcar_pwm->chip);
+ 	if (ret < 0) {
+ 		dev_err(&pdev->dev, "failed to register PWM chip: %d\n", ret);
++		pm_runtime_disable(&pdev->dev);
+ 		return ret;
+ 	}
+ 
+-	pm_runtime_enable(&pdev->dev);
+-
+ 	return 0;
+ }
+ 
+ static int rcar_pwm_remove(struct platform_device *pdev)
+ {
+ 	struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev);
++	int ret;
++
++	ret = pwmchip_remove(&rcar_pwm->chip);
+ 
+ 	pm_runtime_disable(&pdev->dev);
+ 
+-	return pwmchip_remove(&rcar_pwm->chip);
++	return ret;
+ }
+ 
+ static const struct of_device_id rcar_pwm_of_table[] = {
+diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c
+index 075c1a764ba2..6247a956cc08 100644
+--- a/drivers/pwm/pwm-renesas-tpu.c
++++ b/drivers/pwm/pwm-renesas-tpu.c
+@@ -423,16 +423,17 @@ static int tpu_probe(struct platform_device *pdev)
+ 	tpu->chip.base = -1;
+ 	tpu->chip.npwm = TPU_CHANNEL_MAX;
+ 
++	pm_runtime_enable(&pdev->dev);
++
+ 	ret = pwmchip_add(&tpu->chip);
+ 	if (ret < 0) {
+ 		dev_err(&pdev->dev, "failed to register PWM chip\n");
++		pm_runtime_disable(&pdev->dev);
+ 		return ret;
+ 	}
+ 
+ 	dev_info(&pdev->dev, "TPU PWM %d registered\n", tpu->pdev->id);
+ 
+-	pm_runtime_enable(&pdev->dev);
+-
+ 	return 0;
+ }
+ 
+@@ -442,12 +443,10 @@ static int tpu_remove(struct platform_device *pdev)
+ 	int ret;
+ 
+ 	ret = pwmchip_remove(&tpu->chip);
+-	if (ret)
+-		return ret;
+ 
+ 	pm_runtime_disable(&pdev->dev);
+ 
+-	return 0;
++	return ret;
+ }
+ 
+ #ifdef CONFIG_OF
+diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
+index b99780574044..0254f034149b 100644
+--- a/drivers/remoteproc/remoteproc_core.c
++++ b/drivers/remoteproc/remoteproc_core.c
+@@ -284,7 +284,7 @@ void rproc_free_vring(struct rproc_vring *rvring)
+ {
+ 	int size = PAGE_ALIGN(vring_size(rvring->len, rvring->align));
+ 	struct rproc *rproc = rvring->rvdev->rproc;
+-	int idx = rvring->rvdev->vring - rvring;
++	int idx = rvring - rvring->rvdev->vring;
+ 	struct fw_rsc_vdev *rsc;
+ 
+ 	dma_free_coherent(rproc->dev.parent, size, rvring->va, rvring->dma);
+diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
+index 6a58bc8f46e2..1e97d1a03467 100644
+--- a/drivers/s390/cio/device.c
++++ b/drivers/s390/cio/device.c
+@@ -868,8 +868,10 @@ static void io_subchannel_register(struct ccw_device *cdev)
+ 	 * Now we know this subchannel will stay, we can throw
+ 	 * our delayed uevent.
+ 	 */
+-	dev_set_uevent_suppress(&sch->dev, 0);
+-	kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
++	if (dev_get_uevent_suppress(&sch->dev)) {
++		dev_set_uevent_suppress(&sch->dev, 0);
++		kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
++	}
+ 	/* make it known to the system */
+ 	ret = ccw_device_add(cdev);
+ 	if (ret) {
+@@ -1077,8 +1079,11 @@ static int io_subchannel_probe(struct subchannel *sch)
+ 		 * Throw the delayed uevent for the subchannel, register
+ 		 * the ccw_device and exit.
+ 		 */
+-		dev_set_uevent_suppress(&sch->dev, 0);
+-		kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
++		if (dev_get_uevent_suppress(&sch->dev)) {
++			/* should always be the case for the console */
++			dev_set_uevent_suppress(&sch->dev, 0);
++			kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
++		}
+ 		cdev = sch_get_cdev(sch);
+ 		rc = ccw_device_add(cdev);
+ 		if (rc) {
+diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
+index cbe808e83f47..1c34dc335549 100644
+--- a/drivers/scsi/lpfc/lpfc_sli.c
++++ b/drivers/scsi/lpfc/lpfc_sli.c
+@@ -2210,6 +2210,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
+ 	    !pmb->u.mb.mbxStatus) {
+ 		rpi = pmb->u.mb.un.varWords[0];
+ 		vpi = pmb->u.mb.un.varRegLogin.vpi;
++		if (phba->sli_rev == LPFC_SLI_REV4)
++			vpi -= phba->sli4_hba.max_cfg_param.vpi_base;
+ 		lpfc_unreg_login(phba, vpi, rpi, pmb);
+ 		pmb->vport = vport;
+ 		pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
+index fff9c4d0f7c8..42b97f119623 100644
+--- a/drivers/scsi/scsi_transport_iscsi.c
++++ b/drivers/scsi/scsi_transport_iscsi.c
+@@ -2016,7 +2016,7 @@ static void __iscsi_unbind_session(struct work_struct *work)
+ 	if (session->target_id == ISCSI_MAX_TARGET) {
+ 		spin_unlock_irqrestore(&session->lock, flags);
+ 		mutex_unlock(&ihost->mutex);
+-		return;
++		goto unbind_session_exit;
+ 	}
+ 
+ 	target_id = session->target_id;
+@@ -2028,6 +2028,8 @@ static void __iscsi_unbind_session(struct work_struct *work)
+ 		ida_simple_remove(&iscsi_sess_ida, target_id);
+ 
+ 	scsi_remove_target(&session->dev);
++
++unbind_session_exit:
+ 	iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION);
+ 	ISCSI_DBG_TRANS_SESSION(session, "Completed target removal\n");
+ }
+diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
+index 7458df4b6854..3090c8dea2a6 100644
+--- a/drivers/staging/comedi/comedi_fops.c
++++ b/drivers/staging/comedi/comedi_fops.c
+@@ -2592,8 +2592,10 @@ static int comedi_open(struct inode *inode, struct file *file)
+ 	}
+ 
+ 	cfp = kzalloc(sizeof(*cfp), GFP_KERNEL);
+-	if (!cfp)
++	if (!cfp) {
++		comedi_dev_put(dev);
+ 		return -ENOMEM;
++	}
+ 
+ 	cfp->dev = dev;
+ 
+diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c
+index 0be77cc40a79..8ab36b351195 100644
+--- a/drivers/staging/comedi/drivers/dt2815.c
++++ b/drivers/staging/comedi/drivers/dt2815.c
+@@ -101,6 +101,7 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
+ 	int ret;
+ 
+ 	for (i = 0; i < insn->n; i++) {
++		/* FIXME: lo bit 0 chooses voltage output or current output */
+ 		lo = ((data[i] & 0x0f) << 4) | (chan << 1) | 0x01;
+ 		hi = (data[i] & 0xff0) >> 4;
+ 
+@@ -114,6 +115,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
+ 		if (ret)
+ 			return ret;
+ 
++		outb(hi, dev->iobase + DT2815_DATA);
++
+ 		devpriv->ao_readback[chan] = data[i];
+ 	}
+ 	return i;
+diff --git a/drivers/staging/vt6656/int.c b/drivers/staging/vt6656/int.c
+index b554e881e67f..f7ed09119893 100644
+--- a/drivers/staging/vt6656/int.c
++++ b/drivers/staging/vt6656/int.c
+@@ -153,7 +153,8 @@ void vnt_int_process_data(struct vnt_private *priv)
+ 				priv->wake_up_count =
+ 					priv->hw->conf.listen_interval;
+ 
+-			--priv->wake_up_count;
++			if (priv->wake_up_count)
++				--priv->wake_up_count;
+ 
+ 			/* Turn on wake up to listen next beacon */
+ 			if (priv->wake_up_count == 1)
+diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
+index b93773af2031..860a0ddd7a16 100644
+--- a/drivers/staging/vt6656/main_usb.c
++++ b/drivers/staging/vt6656/main_usb.c
+@@ -755,12 +755,15 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
+ 			vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
+ 					    TFTCTL_TSFCNTREN);
+ 
+-			vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
+-				       conf->sync_tsf, priv->current_tsf);
+-
+ 			vnt_mac_set_beacon_interval(priv, conf->beacon_int);
+ 
+ 			vnt_reset_next_tbtt(priv, conf->beacon_int);
++
++			vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
++				       conf->sync_tsf, priv->current_tsf);
++
++			vnt_update_next_tbtt(priv,
++					     conf->sync_tsf, conf->beacon_int);
+ 		} else {
+ 			vnt_clear_current_tsf(priv);
+ 
+diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c
+index 6e75095af681..2ecb2f7042a1 100644
+--- a/drivers/target/target_core_fabric_lib.c
++++ b/drivers/target/target_core_fabric_lib.c
+@@ -75,7 +75,7 @@ static int fc_get_pr_transport_id(
+ 	 * encoded TransportID.
+ 	 */
+ 	ptr = &se_nacl->initiatorname[0];
+-	for (i = 0; i < 24; ) {
++	for (i = 0; i < 23; ) {
+ 		if (!strncmp(&ptr[i], ":", 1)) {
+ 			i++;
+ 			continue;
+diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
+index ce864875330e..f8964247c4c3 100644
+--- a/drivers/tty/hvc/hvc_console.c
++++ b/drivers/tty/hvc/hvc_console.c
+@@ -289,10 +289,6 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops)
+ 	vtermnos[index] = vtermno;
+ 	cons_ops[index] = ops;
+ 
+-	/* reserve all indices up to and including this index */
+-	if (last_hvc < index)
+-		last_hvc = index;
+-
+ 	/* check if we need to re-register the kernel console */
+ 	hvc_check_console(index);
+ 
+@@ -896,13 +892,22 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
+ 		    cons_ops[i] == hp->ops)
+ 			break;
+ 
+-	/* no matching slot, just use a counter */
+-	if (i >= MAX_NR_HVC_CONSOLES)
+-		i = ++last_hvc;
++	if (i >= MAX_NR_HVC_CONSOLES) {
++
++		/* find 'empty' slot for console */
++		for (i = 0; i < MAX_NR_HVC_CONSOLES && vtermnos[i] != -1; i++) {
++		}
++
++		/* no matching slot, just use a counter */
++		if (i == MAX_NR_HVC_CONSOLES)
++			i = ++last_hvc + MAX_NR_HVC_CONSOLES;
++	}
+ 
+ 	hp->index = i;
+-	cons_ops[i] = ops;
+-	vtermnos[i] = vtermno;
++	if (i < MAX_NR_HVC_CONSOLES) {
++		cons_ops[i] = ops;
++		vtermnos[i] = vtermno;
++	}
+ 
+ 	list_add_tail(&(hp->next), &hvc_structs);
+ 	spin_unlock(&hvc_structs_lock);
+diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
+index 447d791bde22..1e8f6096260f 100644
+--- a/drivers/tty/rocket.c
++++ b/drivers/tty/rocket.c
+@@ -645,18 +645,21 @@ init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
+ 	tty_port_init(&info->port);
+ 	info->port.ops = &rocket_port_ops;
+ 	info->flags &= ~ROCKET_MODE_MASK;
+-	switch (pc104[board][line]) {
+-	case 422:
+-		info->flags |= ROCKET_MODE_RS422;
+-		break;
+-	case 485:
+-		info->flags |= ROCKET_MODE_RS485;
+-		break;
+-	case 232:
+-	default:
++	if (board < ARRAY_SIZE(pc104) && line < ARRAY_SIZE(pc104_1))
++		switch (pc104[board][line]) {
++		case 422:
++			info->flags |= ROCKET_MODE_RS422;
++			break;
++		case 485:
++			info->flags |= ROCKET_MODE_RS485;
++			break;
++		case 232:
++		default:
++			info->flags |= ROCKET_MODE_RS232;
++			break;
++		}
++	else
+ 		info->flags |= ROCKET_MODE_RS232;
+-		break;
+-	}
+ 
+ 	info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR;
+ 	if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index c958cf42a1bb..238dfe0f6e80 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -1191,6 +1191,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
+ #ifdef CONFIG_PM
+ 			udev->reset_resume = 1;
+ #endif
++			/* Don't set the change_bits when the device
++			 * was powered off.
++			 */
++			if (test_bit(port1, hub->power_bits))
++				set_bit(port1, hub->change_bits);
+ 
+ 		} else {
+ 			/* The power session is gone; tell hub_wq */
+@@ -2991,6 +2996,15 @@ static int check_port_resume_type(struct usb_device *udev,
+ 		if (portchange & USB_PORT_STAT_C_ENABLE)
+ 			usb_clear_port_feature(hub->hdev, port1,
+ 					USB_PORT_FEAT_C_ENABLE);
++
++		/*
++		 * Whatever made this reset-resume necessary may have
++		 * turned on the port1 bit in hub->change_bits.  But after
++		 * a successful reset-resume we want the bit to be clear;
++		 * if it was on it would indicate that something happened
++		 * following the reset-resume.
++		 */
++		clear_bit(port1, hub->change_bits);
+ 	}
+ 
+ 	return status;
+diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
+index d6075d45e10a..2e541a029657 100644
+--- a/drivers/usb/core/message.c
++++ b/drivers/usb/core/message.c
+@@ -585,12 +585,13 @@ void usb_sg_cancel(struct usb_sg_request *io)
+ 	int i, retval;
+ 
+ 	spin_lock_irqsave(&io->lock, flags);
+-	if (io->status) {
++	if (io->status || io->count == 0) {
+ 		spin_unlock_irqrestore(&io->lock, flags);
+ 		return;
+ 	}
+ 	/* shut everything down */
+ 	io->status = -ECONNRESET;
++	io->count++;		/* Keep the request alive until we're done */
+ 	spin_unlock_irqrestore(&io->lock, flags);
+ 
+ 	for (i = io->entries - 1; i >= 0; --i) {
+@@ -604,6 +605,12 @@ void usb_sg_cancel(struct usb_sg_request *io)
+ 			dev_warn(&io->dev->dev, "%s, unlink --> %d\n",
+ 				 __func__, retval);
+ 	}
++
++	spin_lock_irqsave(&io->lock, flags);
++	io->count--;
++	if (!io->count)
++		complete(&io->complete);
++	spin_unlock_irqrestore(&io->lock, flags);
+ }
+ EXPORT_SYMBOL_GPL(usb_sg_cancel);
+ 
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index 6c4bb47922ac..27d05f0134de 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -272,6 +272,10 @@ static const struct usb_device_id usb_quirk_list[] = {
+ 	/* Corsair K70 LUX */
+ 	{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
+ 
++	/* Corsair K70 RGB RAPDIFIRE */
++	{ USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
++	  USB_QUIRK_DELAY_CTRL_MSG },
++
+ 	/* MIDI keyboard WORLDE MINI */
+ 	{ USB_DEVICE(0x1c75, 0x0204), .driver_info =
+ 			USB_QUIRK_CONFIG_INTF_STRINGS },
+diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
+index 223b28cbf3c8..bea11be98526 100644
+--- a/drivers/usb/gadget/function/f_fs.c
++++ b/drivers/usb/gadget/function/f_fs.c
+@@ -1701,6 +1701,10 @@ static void ffs_data_reset(struct ffs_data *ffs)
+ 	ffs->state = FFS_READ_DESCRIPTORS;
+ 	ffs->setup_state = FFS_NO_SETUP;
+ 	ffs->flags = 0;
++
++	ffs->ms_os_descs_ext_prop_count = 0;
++	ffs->ms_os_descs_ext_prop_name_len = 0;
++	ffs->ms_os_descs_ext_prop_data_len = 0;
+ }
+ 
+ 
+diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
+index ccaa74ab6c0e..303735c7990c 100644
+--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
++++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
+@@ -546,7 +546,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req,
+ {
+ 	struct bdc *bdc = ep->bdc;
+ 
+-	if (req == NULL  || &req->queue == NULL || &req->usb_req == NULL)
++	if (req == NULL)
+ 		return;
+ 
+ 	dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status);
+diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
+index b7a4ba020893..895e8c0288cf 100644
+--- a/drivers/usb/misc/sisusbvga/sisusb.c
++++ b/drivers/usb/misc/sisusbvga/sisusb.c
+@@ -1200,18 +1200,18 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
+ /* High level: Gfx (indexed) register access */
+ 
+ #ifdef INCL_SISUSB_CON
+-int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data)
++int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data)
+ {
+ 	return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
+ }
+ 
+-int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data)
++int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 *data)
+ {
+ 	return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
+ }
+ #endif
+ 
+-int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
++int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
+ 		u8 index, u8 data)
+ {
+ 	int ret;
+@@ -1221,7 +1221,7 @@ int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
+ 	return ret;
+ }
+ 
+-int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
++int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
+ 		u8 index, u8 *data)
+ {
+ 	int ret;
+@@ -1231,7 +1231,7 @@ int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
+ 	return ret;
+ }
+ 
+-int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
++int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx,
+ 		u8 myand, u8 myor)
+ {
+ 	int ret;
+@@ -1246,7 +1246,7 @@ int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
+ }
+ 
+ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
+-		int port, u8 idx, u8 data, u8 mask)
++		u32 port, u8 idx, u8 data, u8 mask)
+ {
+ 	int ret;
+ 	u8 tmp;
+@@ -1259,13 +1259,13 @@ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
+ 	return ret;
+ }
+ 
+-int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
++int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
+ 		u8 index, u8 myor)
+ {
+ 	return sisusb_setidxregandor(sisusb, port, index, 0xff, myor);
+ }
+ 
+-int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
++int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
+ 		u8 idx, u8 myand)
+ {
+ 	return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00);
+@@ -2796,8 +2796,8 @@ static loff_t sisusb_lseek(struct file *file, loff_t offset, int orig)
+ static int sisusb_handle_command(struct sisusb_usb_data *sisusb,
+ 		struct sisusb_command *y, unsigned long arg)
+ {
+-	int	retval, port, length;
+-	u32	address;
++	int	retval, length;
++	u32	port, address;
+ 
+ 	/* All our commands require the device
+ 	 * to be initialized.
+diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.h b/drivers/usb/misc/sisusbvga/sisusb_init.h
+index e79a616f0d26..f7182257f7e1 100644
+--- a/drivers/usb/misc/sisusbvga/sisusb_init.h
++++ b/drivers/usb/misc/sisusbvga/sisusb_init.h
+@@ -811,17 +811,17 @@ static const struct SiS_VCLKData SiSUSB_VCLKData[] = {
+ int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
+ int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo);
+ 
+-extern int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data);
+-extern int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 * data);
+-extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
++extern int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data);
++extern int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 * data);
++extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
+ 			    u8 index, u8 data);
+-extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
++extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
+ 			    u8 index, u8 * data);
+-extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port,
++extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port,
+ 				 u8 idx, u8 myand, u8 myor);
+-extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
++extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
+ 			      u8 index, u8 myor);
+-extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
++extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
+ 			       u8 idx, u8 myand);
+ 
+ void sisusb_delete(struct kref *kref);
+diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
+index d022b5ff4cd0..bb7556952a18 100644
+--- a/drivers/usb/storage/uas.c
++++ b/drivers/usb/storage/uas.c
+@@ -82,6 +82,19 @@ static void uas_free_streams(struct uas_dev_info *devinfo);
+ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
+ 				int status);
+ 
++/*
++ * This driver needs its own workqueue, as we need to control memory allocation.
++ *
++ * In the course of error handling and power management uas_wait_for_pending_cmnds()
++ * needs to flush pending work items. In these contexts we cannot allocate memory
++ * by doing block IO as we would deadlock. For the same reason we cannot wait
++ * for anything allocating memory not heeding these constraints.
++ *
++ * So we have to control all work items that can be on the workqueue we flush.
++ * Hence we cannot share a queue and need our own.
++ */
++static struct workqueue_struct *workqueue;
++
+ static void uas_do_work(struct work_struct *work)
+ {
+ 	struct uas_dev_info *devinfo =
+@@ -110,7 +123,7 @@ static void uas_do_work(struct work_struct *work)
+ 		if (!err)
+ 			cmdinfo->state &= ~IS_IN_WORK_LIST;
+ 		else
+-			schedule_work(&devinfo->work);
++			queue_work(workqueue, &devinfo->work);
+ 	}
+ out:
+ 	spin_unlock_irqrestore(&devinfo->lock, flags);
+@@ -135,7 +148,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
+ 
+ 	lockdep_assert_held(&devinfo->lock);
+ 	cmdinfo->state |= IS_IN_WORK_LIST;
+-	schedule_work(&devinfo->work);
++	queue_work(workqueue, &devinfo->work);
+ }
+ 
+ static void uas_zap_pending(struct uas_dev_info *devinfo, int result)
+@@ -191,6 +204,9 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
+ 	struct uas_cmd_info *ci = (void *)&cmnd->SCp;
+ 	struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
+ 
++	if (status == -ENODEV) /* too late */
++		return;
++
+ 	scmd_printk(KERN_INFO, cmnd,
+ 		    "%s %d uas-tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ",
+ 		    prefix, status, cmdinfo->uas_tag,
+@@ -1233,7 +1249,31 @@ static struct usb_driver uas_driver = {
+ 	.id_table = uas_usb_ids,
+ };
+ 
+-module_usb_driver(uas_driver);
++static int __init uas_init(void)
++{
++	int rv;
++
++	workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM, 0);
++	if (!workqueue)
++		return -ENOMEM;
++
++	rv = usb_register(&uas_driver);
++	if (rv) {
++		destroy_workqueue(workqueue);
++		return -ENOMEM;
++	}
++
++	return 0;
++}
++
++static void __exit uas_exit(void)
++{
++	usb_deregister(&uas_driver);
++	destroy_workqueue(workqueue);
++}
++
++module_init(uas_init);
++module_exit(uas_exit);
+ 
+ MODULE_LICENSE("GPL");
+ MODULE_AUTHOR(
+diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
+index a52ae34fb1c3..46079468df42 100644
+--- a/drivers/usb/storage/unusual_devs.h
++++ b/drivers/usb/storage/unusual_devs.h
+@@ -2342,6 +2342,13 @@ UNUSUAL_DEV(  0x3340, 0xffff, 0x0000, 0x0000,
+ 		USB_SC_DEVICE,USB_PR_DEVICE,NULL,
+ 		US_FL_MAX_SECTORS_64 ),
+ 
++/* Reported by Cyril Roelandt <tipecaml@×××××.com> */
++UNUSUAL_DEV(  0x357d, 0x7788, 0x0114, 0x0114,
++		"JMicron",
++		"USB to ATA/ATAPI Bridge",
++		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
++		US_FL_BROKEN_FUA ),
++
+ /* Reported by Andrey Rahmatullin <wrar@××××××××.org> */
+ UNUSUAL_DEV(  0x4102, 0x1020, 0x0100,  0x0100,
+ 		"iRiver",
+diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
+index 977fe74e5abe..9e17d933ea94 100644
+--- a/drivers/watchdog/watchdog_dev.c
++++ b/drivers/watchdog/watchdog_dev.c
+@@ -237,6 +237,7 @@ static int watchdog_start(struct watchdog_device *wdd)
+ 	if (err == 0) {
+ 		set_bit(WDOG_ACTIVE, &wdd->status);
+ 		wd_data->last_keepalive = started_at;
++		wd_data->last_hw_keepalive = started_at;
+ 		watchdog_update_worker(wdd);
+ 	}
+ 
+diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
+index 056da6ee1a35..df27cefb2fa3 100644
+--- a/drivers/xen/xenbus/xenbus_client.c
++++ b/drivers/xen/xenbus/xenbus_client.c
+@@ -469,7 +469,14 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn);
+ int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs,
+ 			   unsigned int nr_grefs, void **vaddr)
+ {
+-	return ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
++	int err;
++
++	err = ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
++	/* Some hypervisors are buggy and can return 1. */
++	if (err > 0)
++		err = GNTST_general_error;
++
++	return err;
+ }
+ EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc);
+ 
+diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
+index f5d9835264aa..617e9ae67f50 100644
+--- a/fs/ceph/caps.c
++++ b/fs/ceph/caps.c
+@@ -1764,8 +1764,12 @@ retry_locked:
+ 		}
+ 
+ 		/* want more caps from mds? */
+-		if (want & ~(cap->mds_wanted | cap->issued))
+-			goto ack;
++		if (want & ~cap->mds_wanted) {
++			if (want & ~(cap->mds_wanted | cap->issued))
++				goto ack;
++			if (!__cap_is_valid(cap))
++				goto ack;
++		}
+ 
+ 		/* things we might delay */
+ 		if ((cap->issued & ~retain) == 0 &&
+diff --git a/fs/ceph/export.c b/fs/ceph/export.c
+index 1780218a48f0..f8e1f31e4643 100644
+--- a/fs/ceph/export.c
++++ b/fs/ceph/export.c
+@@ -157,6 +157,11 @@ static struct dentry *__get_parent(struct super_block *sb,
+ 
+ 	req->r_num_caps = 1;
+ 	err = ceph_mdsc_do_request(mdsc, NULL, req);
++	if (err) {
++		ceph_mdsc_put_request(req);
++		return ERR_PTR(err);
++	}
++
+ 	inode = req->r_target_inode;
+ 	if (inode)
+ 		ihold(inode);
+diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
+index fdb19543af1e..d31d93ee5e76 100644
+--- a/fs/ext4/block_validity.c
++++ b/fs/ext4/block_validity.c
+@@ -136,6 +136,49 @@ static void debug_print_tree(struct ext4_sb_info *sbi)
+ 	printk(KERN_CONT "\n");
+ }
+ 
++static int ext4_protect_reserved_inode(struct super_block *sb, u32 ino)
++{
++	struct inode *inode;
++	struct ext4_sb_info *sbi = EXT4_SB(sb);
++	struct ext4_map_blocks map;
++	u32 i = 0, num;
++	int err = 0, n;
++
++	if ((ino < EXT4_ROOT_INO) ||
++	    (ino > le32_to_cpu(sbi->s_es->s_inodes_count)))
++		return -EINVAL;
++	inode = ext4_iget(sb, ino, EXT4_IGET_SPECIAL);
++	if (IS_ERR(inode))
++		return PTR_ERR(inode);
++	num = (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
++	while (i < num) {
++		map.m_lblk = i;
++		map.m_len = num - i;
++		n = ext4_map_blocks(NULL, inode, &map, 0);
++		if (n < 0) {
++			err = n;
++			break;
++		}
++		if (n == 0) {
++			i++;
++		} else {
++			if (!ext4_data_block_valid(sbi, map.m_pblk, n)) {
++				ext4_error(sb, "blocks %llu-%llu from inode %u "
++					   "overlap system zone", map.m_pblk,
++					   map.m_pblk + map.m_len - 1, ino);
++				err = -EFSCORRUPTED;
++				break;
++			}
++			err = add_system_zone(sbi, map.m_pblk, n);
++			if (err < 0)
++				break;
++			i += n;
++		}
++	}
++	iput(inode);
++	return err;
++}
++
+ int ext4_setup_system_zone(struct super_block *sb)
+ {
+ 	ext4_group_t ngroups = ext4_get_groups_count(sb);
+@@ -170,6 +213,12 @@ int ext4_setup_system_zone(struct super_block *sb)
+ 		if (ret)
+ 			return ret;
+ 	}
++	if (ext4_has_feature_journal(sb) && sbi->s_es->s_journal_inum) {
++		ret = ext4_protect_reserved_inode(sb,
++				le32_to_cpu(sbi->s_es->s_journal_inum));
++		if (ret)
++			return ret;
++	}
+ 
+ 	if (test_opt(sb, DEBUG))
+ 		debug_print_tree(EXT4_SB(sb));
+@@ -226,6 +275,11 @@ int ext4_check_blockref(const char *function, unsigned int line,
+ 	__le32 *bref = p;
+ 	unsigned int blk;
+ 
++	if (ext4_has_feature_journal(inode->i_sb) &&
++	    (inode->i_ino ==
++	     le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum)))
++		return 0;
++
+ 	while (bref < p+max) {
+ 		blk = le32_to_cpu(*bref++);
+ 		if (blk &&
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index eb0ec5068423..b41ac328c396 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -2496,8 +2496,19 @@ int do_journal_get_write_access(handle_t *handle,
+ #define FALL_BACK_TO_NONDELALLOC 1
+ #define CONVERT_INLINE_DATA	 2
+ 
+-extern struct inode *ext4_iget(struct super_block *, unsigned long);
+-extern struct inode *ext4_iget_normal(struct super_block *, unsigned long);
++typedef enum {
++	EXT4_IGET_NORMAL =	0,
++	EXT4_IGET_SPECIAL =	0x0001, /* OK to iget a system inode */
++	EXT4_IGET_HANDLE = 	0x0002	/* Inode # is from a handle */
++} ext4_iget_flags;
++
++extern struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
++				 ext4_iget_flags flags, const char *function,
++				 unsigned int line);
++
++#define ext4_iget(sb, ino, flags) \
++	__ext4_iget((sb), (ino), (flags), __func__, __LINE__)
++
+ extern int  ext4_write_inode(struct inode *, struct writeback_control *);
+ extern int  ext4_setattr(struct dentry *, struct iattr *);
+ extern int  ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
+index 999d2a54297d..51c2713a615a 100644
+--- a/fs/ext4/extents.c
++++ b/fs/ext4/extents.c
+@@ -510,6 +510,30 @@ int ext4_ext_check_inode(struct inode *inode)
+ 	return ext4_ext_check(inode, ext_inode_hdr(inode), ext_depth(inode), 0);
+ }
+ 
++static void ext4_cache_extents(struct inode *inode,
++			       struct ext4_extent_header *eh)
++{
++	struct ext4_extent *ex = EXT_FIRST_EXTENT(eh);
++	ext4_lblk_t prev = 0;
++	int i;
++
++	for (i = le16_to_cpu(eh->eh_entries); i > 0; i--, ex++) {
++		unsigned int status = EXTENT_STATUS_WRITTEN;
++		ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);
++		int len = ext4_ext_get_actual_len(ex);
++
++		if (prev && (prev != lblk))
++			ext4_es_cache_extent(inode, prev, lblk - prev, ~0,
++					     EXTENT_STATUS_HOLE);
++
++		if (ext4_ext_is_unwritten(ex))
++			status = EXTENT_STATUS_UNWRITTEN;
++		ext4_es_cache_extent(inode, lblk, len,
++				     ext4_ext_pblock(ex), status);
++		prev = lblk + len;
++	}
++}
++
+ static struct buffer_head *
+ __read_extent_tree_block(const char *function, unsigned int line,
+ 			 struct inode *inode, ext4_fsblk_t pblk, int depth,
+@@ -530,36 +554,21 @@ __read_extent_tree_block(const char *function, unsigned int line,
+ 	}
+ 	if (buffer_verified(bh) && !(flags & EXT4_EX_FORCE_CACHE))
+ 		return bh;
+-	err = __ext4_ext_check(function, line, inode,
+-			       ext_block_hdr(bh), depth, pblk);
+-	if (err)
+-		goto errout;
++	if (!ext4_has_feature_journal(inode->i_sb) ||
++	    (inode->i_ino !=
++	     le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum))) {
++		err = __ext4_ext_check(function, line, inode,
++				       ext_block_hdr(bh), depth, pblk);
++		if (err)
++			goto errout;
++	}
+ 	set_buffer_verified(bh);
+ 	/*
+ 	 * If this is a leaf block, cache all of its entries
+ 	 */
+ 	if (!(flags & EXT4_EX_NOCACHE) && depth == 0) {
+ 		struct ext4_extent_header *eh = ext_block_hdr(bh);
+-		struct ext4_extent *ex = EXT_FIRST_EXTENT(eh);
+-		ext4_lblk_t prev = 0;
+-		int i;
+-
+-		for (i = le16_to_cpu(eh->eh_entries); i > 0; i--, ex++) {
+-			unsigned int status = EXTENT_STATUS_WRITTEN;
+-			ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);
+-			int len = ext4_ext_get_actual_len(ex);
+-
+-			if (prev && (prev != lblk))
+-				ext4_es_cache_extent(inode, prev,
+-						     lblk - prev, ~0,
+-						     EXTENT_STATUS_HOLE);
+-
+-			if (ext4_ext_is_unwritten(ex))
+-				status = EXTENT_STATUS_UNWRITTEN;
+-			ext4_es_cache_extent(inode, lblk, len,
+-					     ext4_ext_pblock(ex), status);
+-			prev = lblk + len;
+-		}
++		ext4_cache_extents(inode, eh);
+ 	}
+ 	return bh;
+ errout:
+@@ -907,6 +916,8 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block,
+ 	path[0].p_bh = NULL;
+ 
+ 	i = depth;
++	if (!(flags & EXT4_EX_NOCACHE) && depth == 0)
++		ext4_cache_extents(inode, eh);
+ 	/* walk through the tree */
+ 	while (i) {
+ 		ext_debug("depth %d: num %d, max %d\n",
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index c5af7bbf906f..2b699b1f42c0 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -1158,7 +1158,7 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
+ 	if (!ext4_test_bit(bit, bitmap_bh->b_data))
+ 		goto bad_orphan;
+ 
+-	inode = ext4_iget(sb, ino);
++	inode = ext4_iget(sb, ino, EXT4_IGET_NORMAL);
+ 	if (IS_ERR(inode)) {
+ 		err = PTR_ERR(inode);
+ 		ext4_error(sb, "couldn't read orphan inode %lu (err %d)",
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 45bcde1969e3..e049dc682e57 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -374,6 +374,10 @@ static int __check_block_validity(struct inode *inode, const char *func,
+ 				unsigned int line,
+ 				struct ext4_map_blocks *map)
+ {
++	if (ext4_has_feature_journal(inode->i_sb) &&
++	    (inode->i_ino ==
++	     le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum)))
++		return 0;
+ 	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk,
+ 				   map->m_len)) {
+ 		ext4_error_inode(inode, func, line, map->m_pblk,
+@@ -4474,7 +4478,9 @@ int ext4_get_projid(struct inode *inode, kprojid_t *projid)
+ 	return 0;
+ }
+ 
+-struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
++struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
++			  ext4_iget_flags flags, const char *function,
++			  unsigned int line)
+ {
+ 	struct ext4_iloc iloc;
+ 	struct ext4_inode *raw_inode;
+@@ -4488,6 +4494,18 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ 	gid_t i_gid;
+ 	projid_t i_projid;
+ 
++	if (((flags & EXT4_IGET_NORMAL) &&
++	     (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)) ||
++	    (ino < EXT4_ROOT_INO) ||
++	    (ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count))) {
++		if (flags & EXT4_IGET_HANDLE)
++			return ERR_PTR(-ESTALE);
++		__ext4_error(sb, function, line,
++			     "inode #%lu: comm %s: iget: illegal inode #",
++			     ino, current->comm);
++		return ERR_PTR(-EFSCORRUPTED);
++	}
++
+ 	inode = iget_locked(sb, ino);
+ 	if (!inode)
+ 		return ERR_PTR(-ENOMEM);
+@@ -4503,11 +4521,18 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ 	raw_inode = ext4_raw_inode(&iloc);
+ 
+ 	if ((ino == EXT4_ROOT_INO) && (raw_inode->i_links_count == 0)) {
+-		EXT4_ERROR_INODE(inode, "root inode unallocated");
++		ext4_error_inode(inode, function, line, 0,
++				 "iget: root inode unallocated");
+ 		ret = -EFSCORRUPTED;
+ 		goto bad_inode;
+ 	}
+ 
++	if ((flags & EXT4_IGET_HANDLE) &&
++	    (raw_inode->i_links_count == 0) && (raw_inode->i_mode == 0)) {
++		ret = -ESTALE;
++		goto bad_inode;
++	}
++
+ 	if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
+ 		ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
+ 		if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
+@@ -4534,7 +4559,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ 	}
+ 
+ 	if (!ext4_inode_csum_verify(inode, raw_inode, ei)) {
+-		EXT4_ERROR_INODE(inode, "checksum invalid");
++		ext4_error_inode(inode, function, line, 0,
++				 "iget: checksum invalid");
+ 		ret = -EFSBADCRC;
+ 		goto bad_inode;
+ 	}
+@@ -4590,7 +4616,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ 			((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
+ 	inode->i_size = ext4_isize(raw_inode);
+ 	if ((size = i_size_read(inode)) < 0) {
+-		EXT4_ERROR_INODE(inode, "bad i_size value: %lld", size);
++		ext4_error_inode(inode, function, line, 0,
++				 "iget: bad i_size value: %lld", size);
+ 		ret = -EFSCORRUPTED;
+ 		goto bad_inode;
+ 	}
+@@ -4673,7 +4700,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ 	ret = 0;
+ 	if (ei->i_file_acl &&
+ 	    !ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
+-		EXT4_ERROR_INODE(inode, "bad extended attribute block %llu",
++		ext4_error_inode(inode, function, line, 0,
++				 "iget: bad extended attribute block %llu",
+ 				 ei->i_file_acl);
+ 		ret = -EFSCORRUPTED;
+ 		goto bad_inode;
+@@ -4728,7 +4756,8 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
+ 		make_bad_inode(inode);
+ 	} else {
+ 		ret = -EFSCORRUPTED;
+-		EXT4_ERROR_INODE(inode, "bogus i_mode (%o)", inode->i_mode);
++		ext4_error_inode(inode, function, line, 0,
++				 "iget: bogus i_mode (%o)", inode->i_mode);
+ 		goto bad_inode;
+ 	}
+ 	brelse(iloc.bh);
+@@ -4742,13 +4771,6 @@ bad_inode:
+ 	return ERR_PTR(ret);
+ }
+ 
+-struct inode *ext4_iget_normal(struct super_block *sb, unsigned long ino)
+-{
+-	if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
+-		return ERR_PTR(-EFSCORRUPTED);
+-	return ext4_iget(sb, ino);
+-}
+-
+ static int ext4_inode_blocks_set(handle_t *handle,
+ 				struct ext4_inode *raw_inode,
+ 				struct ext4_inode_info *ei)
+diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
+index baa2f6375226..eada4172c4ef 100644
+--- a/fs/ext4/ioctl.c
++++ b/fs/ext4/ioctl.c
+@@ -104,7 +104,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
+ 	if (!inode_owner_or_capable(inode) || !capable(CAP_SYS_ADMIN))
+ 		return -EPERM;
+ 
+-	inode_bl = ext4_iget(sb, EXT4_BOOT_LOADER_INO);
++	inode_bl = ext4_iget(sb, EXT4_BOOT_LOADER_INO, EXT4_IGET_SPECIAL);
+ 	if (IS_ERR(inode_bl))
+ 		return PTR_ERR(inode_bl);
+ 	ei_bl = EXT4_I(inode_bl);
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index c18668e3135e..ac13de1a7e42 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -1944,7 +1944,8 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
+ 	int free;
+ 
+ 	free = e4b->bd_info->bb_free;
+-	BUG_ON(free <= 0);
++	if (WARN_ON(free <= 0))
++		return;
+ 
+ 	i = e4b->bd_info->bb_first_free;
+ 
+@@ -1965,7 +1966,8 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
+ 		}
+ 
+ 		mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex);
+-		BUG_ON(ex.fe_len <= 0);
++		if (WARN_ON(ex.fe_len <= 0))
++			break;
+ 		if (free < ex.fe_len) {
+ 			ext4_grp_locked_error(sb, e4b->bd_group, 0, 0,
+ 					"%d free clusters as per "
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index 339ede11896a..6225ce9f1884 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -1626,7 +1626,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
+ 					 dentry);
+ 			return ERR_PTR(-EFSCORRUPTED);
+ 		}
+-		inode = ext4_iget_normal(dir->i_sb, ino);
++		inode = ext4_iget(dir->i_sb, ino, EXT4_IGET_NORMAL);
+ 		if (inode == ERR_PTR(-ESTALE)) {
+ 			EXT4_ERROR_INODE(dir,
+ 					 "deleted inode referenced: %u",
+@@ -1675,7 +1675,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
+ 		return ERR_PTR(-EFSCORRUPTED);
+ 	}
+ 
+-	return d_obtain_alias(ext4_iget_normal(child->d_sb, ino));
++	return d_obtain_alias(ext4_iget(child->d_sb, ino, EXT4_IGET_NORMAL));
+ }
+ 
+ /*
+diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
+index 845d9841c91c..51fa706707a3 100644
+--- a/fs/ext4/resize.c
++++ b/fs/ext4/resize.c
+@@ -1649,7 +1649,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
+ 				     "No reserved GDT blocks, can't resize");
+ 			return -EPERM;
+ 		}
+-		inode = ext4_iget(sb, EXT4_RESIZE_INO);
++		inode = ext4_iget(sb, EXT4_RESIZE_INO, EXT4_IGET_SPECIAL);
+ 		if (IS_ERR(inode)) {
+ 			ext4_warning(sb, "Error opening resize inode");
+ 			return PTR_ERR(inode);
+@@ -1977,7 +1977,8 @@ retry:
+ 		}
+ 
+ 		if (!resize_inode)
+-			resize_inode = ext4_iget(sb, EXT4_RESIZE_INO);
++			resize_inode = ext4_iget(sb, EXT4_RESIZE_INO,
++						 EXT4_IGET_SPECIAL);
+ 		if (IS_ERR(resize_inode)) {
+ 			ext4_warning(sb, "Error opening resize inode");
+ 			return PTR_ERR(resize_inode);
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index ed0520fe4dad..370e4273042c 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -1049,20 +1049,11 @@ static struct inode *ext4_nfs_get_inode(struct super_block *sb,
+ {
+ 	struct inode *inode;
+ 
+-	if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
+-		return ERR_PTR(-ESTALE);
+-	if (ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count))
+-		return ERR_PTR(-ESTALE);
+-
+-	/* iget isn't really right if the inode is currently unallocated!!
+-	 *
+-	 * ext4_read_inode will return a bad_inode if the inode had been
+-	 * deleted, so we should be safe.
+-	 *
++	/*
+ 	 * Currently we don't know the generation for parent directory, so
+ 	 * a generation of 0 means "accept any"
+ 	 */
+-	inode = ext4_iget_normal(sb, ino);
++	inode = ext4_iget(sb, ino, EXT4_IGET_HANDLE);
+ 	if (IS_ERR(inode))
+ 		return ERR_CAST(inode);
+ 	if (generation && inode->i_generation != generation) {
+@@ -3346,7 +3337,8 @@ int ext4_calculate_overhead(struct super_block *sb)
+ 	 */
+ 	if (sbi->s_journal && !sbi->journal_bdev)
+ 		overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen);
+-	else if (ext4_has_feature_journal(sb) && !sbi->s_journal) {
++	else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) {
++		/* j_inum for internal journal is non-zero */
+ 		j_inode = ext4_get_journal_inode(sb, j_inum);
+ 		if (j_inode) {
+ 			j_blocks = j_inode->i_size >> sb->s_blocksize_bits;
+@@ -4195,7 +4187,7 @@ no_journal:
+ 	 * so we can safely mount the rest of the filesystem now.
+ 	 */
+ 
+-	root = ext4_iget(sb, EXT4_ROOT_INO);
++	root = ext4_iget(sb, EXT4_ROOT_INO, EXT4_IGET_SPECIAL);
+ 	if (IS_ERR(root)) {
+ 		ext4_msg(sb, KERN_ERR, "get root inode failed");
+ 		ret = PTR_ERR(root);
+@@ -4447,7 +4439,7 @@ static struct inode *ext4_get_journal_inode(struct super_block *sb,
+ 	 * happen if we iget() an unused inode, as the subsequent iput()
+ 	 * will try to delete it.
+ 	 */
+-	journal_inode = ext4_iget(sb, journal_inum);
++	journal_inode = ext4_iget(sb, journal_inum, EXT4_IGET_SPECIAL);
+ 	if (IS_ERR(journal_inode)) {
+ 		ext4_msg(sb, KERN_ERR, "no journal found");
+ 		return NULL;
+@@ -5476,7 +5468,7 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
+ 	if (!qf_inums[type])
+ 		return -EPERM;
+ 
+-	qf_inode = ext4_iget(sb, qf_inums[type]);
++	qf_inode = ext4_iget(sb, qf_inums[type], EXT4_IGET_SPECIAL);
+ 	if (IS_ERR(qf_inode)) {
+ 		ext4_error(sb, "Bad quota inode # %lu", qf_inums[type]);
+ 		return PTR_ERR(qf_inode);
+diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
+index 8016cd059db1..b99225e11712 100644
+--- a/fs/fuse/dev.c
++++ b/fs/fuse/dev.c
+@@ -132,9 +132,13 @@ static bool fuse_block_alloc(struct fuse_conn *fc, bool for_background)
+ 
+ static void fuse_drop_waiting(struct fuse_conn *fc)
+ {
+-	if (fc->connected) {
+-		atomic_dec(&fc->num_waiting);
+-	} else if (atomic_dec_and_test(&fc->num_waiting)) {
++	/*
++	 * lockess check of fc->connected is okay, because atomic_dec_and_test()
++	 * provides a memory barrier mached with the one in fuse_wait_aborted()
++	 * to ensure no wake-up is missed.
++	 */
++	if (atomic_dec_and_test(&fc->num_waiting) &&
++	    !READ_ONCE(fc->connected)) {
+ 		/* wake up aborters */
+ 		wake_up_all(&fc->blocked_waitq);
+ 	}
+@@ -2164,6 +2168,8 @@ EXPORT_SYMBOL_GPL(fuse_abort_conn);
+ 
+ void fuse_wait_aborted(struct fuse_conn *fc)
+ {
++	/* matches implicit memory barrier in fuse_drop_waiting() */
++	smp_mb();
+ 	wait_event(fc->blocked_waitq, atomic_read(&fc->num_waiting) == 0);
+ }
+ 
+diff --git a/fs/namespace.c b/fs/namespace.c
+index 41f906a6f5d9..3b20c7ff8cc3 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -3184,8 +3184,8 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
+ 	/* make certain new is below the root */
+ 	if (!is_path_reachable(new_mnt, new.dentry, &root))
+ 		goto out4;
+-	root_mp->m_count++; /* pin it so it won't go away */
+ 	lock_mount_hash();
++	root_mp->m_count++; /* pin it so it won't go away */
+ 	detach_mnt(new_mnt, &parent_path);
+ 	detach_mnt(root_mnt, &root_parent);
+ 	if (root_mnt->mnt.mnt_flags & MNT_LOCKED) {
+diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
+index 4509c76716e3..5c9231d5e14a 100644
+--- a/fs/nfsd/nfs4state.c
++++ b/fs/nfsd/nfs4state.c
+@@ -246,6 +246,8 @@ find_or_allocate_block(struct nfs4_lockowner *lo, struct knfsd_fh *fh,
+ 	if (!nbl) {
+ 		nbl= kmalloc(sizeof(*nbl), GFP_KERNEL);
+ 		if (nbl) {
++			INIT_LIST_HEAD(&nbl->nbl_list);
++			INIT_LIST_HEAD(&nbl->nbl_lru);
+ 			fh_copy_shallow(&nbl->nbl_fh, fh);
+ 			locks_init_lock(&nbl->nbl_lock);
+ 			nfsd4_init_cb(&nbl->nbl_cb, lo->lo_owner.so_client,
+diff --git a/fs/pnode.c b/fs/pnode.c
+index d15c63e97ef1..64e9a401d67d 100644
+--- a/fs/pnode.c
++++ b/fs/pnode.c
+@@ -268,14 +268,13 @@ static int propagate_one(struct mount *m)
+ 	if (IS_ERR(child))
+ 		return PTR_ERR(child);
+ 	child->mnt.mnt_flags &= ~MNT_LOCKED;
++	read_seqlock_excl(&mount_lock);
+ 	mnt_set_mountpoint(m, mp, child);
++	if (m->mnt_master != dest_master)
++		SET_MNT_MARK(m->mnt_master);
++	read_sequnlock_excl(&mount_lock);
+ 	last_dest = m;
+ 	last_source = child;
+-	if (m->mnt_master != dest_master) {
+-		read_seqlock_excl(&mount_lock);
+-		SET_MNT_MARK(m->mnt_master);
+-		read_sequnlock_excl(&mount_lock);
+-	}
+ 	hlist_add_head(&child->mnt_hash, list);
+ 	return count_mounts(m->mnt_ns, child);
+ }
+diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
+index 93d13f4010c1..8e8012769f3e 100644
+--- a/fs/proc/vmcore.c
++++ b/fs/proc/vmcore.c
+@@ -459,7 +459,7 @@ static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)
+ 		tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)start, size);
+ 		kaddr = elfnotes_buf + start - elfcorebuf_sz;
+ 		if (remap_vmalloc_range_partial(vma, vma->vm_start + len,
+-						kaddr, tsz))
++						kaddr, 0, tsz))
+ 			goto fail;
+ 		size -= tsz;
+ 		start += tsz;
+diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
+index 17d3c964a2a2..6b753b969f7b 100644
+--- a/fs/xfs/xfs_reflink.c
++++ b/fs/xfs/xfs_reflink.c
+@@ -1162,6 +1162,7 @@ xfs_reflink_remap_extent(
+ 		uirec.br_startblock = irec->br_startblock + rlen;
+ 		uirec.br_startoff = irec->br_startoff + rlen;
+ 		uirec.br_blockcount = unmap_len - rlen;
++		uirec.br_state = irec->br_state;
+ 		unmap_len = rlen;
+ 
+ 		/* If this isn't a real mapping, we're done. */
+diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
+index ab90a8541aaa..bb4af1bfcaf4 100644
+--- a/include/linux/kvm_host.h
++++ b/include/linux/kvm_host.h
+@@ -914,7 +914,7 @@ search_memslots(struct kvm_memslots *slots, gfn_t gfn)
+ 			start = slot + 1;
+ 	}
+ 
+-	if (gfn >= memslots[start].base_gfn &&
++	if (start < slots->used_slots && gfn >= memslots[start].base_gfn &&
+ 	    gfn < memslots[start].base_gfn + memslots[start].npages) {
+ 		atomic_set(&slots->lru_slot, start);
+ 		return &memslots[start];
+diff --git a/include/linux/overflow.h b/include/linux/overflow.h
+index c8890ec358a7..d309788f4cd2 100644
+--- a/include/linux/overflow.h
++++ b/include/linux/overflow.h
+@@ -202,4 +202,35 @@
+ 
+ #endif /* COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW */
+ 
++/** check_shl_overflow() - Calculate a left-shifted value and check overflow
++ *
++ * @a: Value to be shifted
++ * @s: How many bits left to shift
++ * @d: Pointer to where to store the result
++ *
++ * Computes *@d = (@a << @s)
++ *
++ * Returns true if '*d' cannot hold the result or when 'a << s' doesn't
++ * make sense. Example conditions:
++ * - 'a << s' causes bits to be lost when stored in *d.
++ * - 's' is garbage (e.g. negative) or so large that the result of
++ *   'a << s' is guaranteed to be 0.
++ * - 'a' is negative.
++ * - 'a << s' sets the sign bit, if any, in '*d'.
++ *
++ * '*d' will hold the results of the attempted shift, but is not
++ * considered "safe for use" if false is returned.
++ */
++#define check_shl_overflow(a, s, d) ({					\
++	typeof(a) _a = a;						\
++	typeof(s) _s = s;						\
++	typeof(d) _d = d;						\
++	u64 _a_full = _a;						\
++	unsigned int _to_shift =					\
++		_s >= 0 && _s < 8 * sizeof(*d) ? _s : 0;		\
++	*_d = (_a_full << _to_shift);					\
++	(_to_shift != _s || *_d < 0 || _a < 0 ||			\
++		(*_d >> _to_shift) != _a);				\
++})
++
+ #endif /* __LINUX_OVERFLOW_H */
+diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
+index d868a735545b..72c9c75e894f 100644
+--- a/include/linux/vmalloc.h
++++ b/include/linux/vmalloc.h
+@@ -89,7 +89,7 @@ extern void vunmap(const void *addr);
+ 
+ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
+ 				       unsigned long uaddr, void *kaddr,
+-				       unsigned long size);
++				       unsigned long pgoff, unsigned long size);
+ 
+ extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
+ 							unsigned long pgoff);
+diff --git a/include/net/tcp.h b/include/net/tcp.h
+index 0e3a88f808c6..f26f075250b4 100644
+--- a/include/net/tcp.h
++++ b/include/net/tcp.h
+@@ -51,7 +51,7 @@ extern struct inet_hashinfo tcp_hashinfo;
+ extern struct percpu_counter tcp_orphan_count;
+ void tcp_time_wait(struct sock *sk, int state, int timeo);
+ 
+-#define MAX_TCP_HEADER	(128 + MAX_HEADER)
++#define MAX_TCP_HEADER	L1_CACHE_ALIGN(128 + MAX_HEADER)
+ #define MAX_TCP_OPTION_SPACE 40
+ #define TCP_MIN_SND_MSS		48
+ #define TCP_MIN_GSO_SIZE	(TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE)
+diff --git a/ipc/util.c b/ipc/util.c
+index 798cad18dd87..e65ecf3ccbda 100644
+--- a/ipc/util.c
++++ b/ipc/util.c
+@@ -751,13 +751,13 @@ static struct kern_ipc_perm *sysvipc_find_ipc(struct ipc_ids *ids, loff_t pos,
+ 			total++;
+ 	}
+ 
++	*new_pos = pos + 1;
+ 	if (total >= ids->in_use)
+ 		return NULL;
+ 
+ 	for (; pos < IPCMNI; pos++) {
+ 		ipc = idr_find(&ids->ipcs_idr, pos);
+ 		if (ipc != NULL) {
+-			*new_pos = pos + 1;
+ 			rcu_read_lock();
+ 			ipc_lock_object(ipc);
+ 			return ipc;
+diff --git a/kernel/audit.c b/kernel/audit.c
+index 53dcaa3b67bc..af1e00f52bd0 100644
+--- a/kernel/audit.c
++++ b/kernel/audit.c
+@@ -941,6 +941,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ 	case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
+ 		if (!audit_enabled && msg_type != AUDIT_USER_AVC)
+ 			return 0;
++		/* exit early if there isn't at least one character to print */
++		if (data_len < 2)
++			return -EINVAL;
+ 
+ 		err = audit_filter(msg_type, AUDIT_FILTER_USER);
+ 		if (err == 1) { /* match or error */
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index 97b90faceb97..1f27b73bd7d4 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -6431,10 +6431,17 @@ static void perf_event_task_output(struct perf_event *event,
+ 		goto out;
+ 
+ 	task_event->event_id.pid = perf_event_pid(event, task);
+-	task_event->event_id.ppid = perf_event_pid(event, current);
+-
+ 	task_event->event_id.tid = perf_event_tid(event, task);
+-	task_event->event_id.ptid = perf_event_tid(event, current);
++
++	if (task_event->event_id.header.type == PERF_RECORD_EXIT) {
++		task_event->event_id.ppid = perf_event_pid(event,
++							task->real_parent);
++		task_event->event_id.ptid = perf_event_pid(event,
++							task->real_parent);
++	} else {  /* PERF_RECORD_FORK */
++		task_event->event_id.ppid = perf_event_pid(event, current);
++		task_event->event_id.ptid = perf_event_tid(event, current);
++	}
+ 
+ 	task_event->event_id.time = perf_event_clock(event);
+ 
+diff --git a/kernel/gcov/fs.c b/kernel/gcov/fs.c
+index edf67c493a8e..e473f6a1f6ca 100644
+--- a/kernel/gcov/fs.c
++++ b/kernel/gcov/fs.c
+@@ -108,9 +108,9 @@ static void *gcov_seq_next(struct seq_file *seq, void *data, loff_t *pos)
+ {
+ 	struct gcov_iterator *iter = data;
+ 
++	(*pos)++;
+ 	if (gcov_iter_next(iter))
+ 		return NULL;
+-	(*pos)++;
+ 
+ 	return iter;
+ }
+diff --git a/mm/vmalloc.c b/mm/vmalloc.c
+index 153deec1df35..c74a087fcb7d 100644
+--- a/mm/vmalloc.c
++++ b/mm/vmalloc.c
+@@ -31,6 +31,7 @@
+ #include <linux/compiler.h>
+ #include <linux/llist.h>
+ #include <linux/bitops.h>
++#include <linux/overflow.h>
+ 
+ #include <asm/uaccess.h>
+ #include <asm/tlbflush.h>
+@@ -2173,6 +2174,7 @@ finished:
+  *	@vma:		vma to cover
+  *	@uaddr:		target user address to start at
+  *	@kaddr:		virtual address of vmalloc kernel memory
++ *	@pgoff:		offset from @kaddr to start at
+  *	@size:		size of map area
+  *
+  *	Returns:	0 for success, -Exxx on failure
+@@ -2185,9 +2187,15 @@ finished:
+  *	Similar to remap_pfn_range() (see mm/memory.c)
+  */
+ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
+-				void *kaddr, unsigned long size)
++				void *kaddr, unsigned long pgoff,
++				unsigned long size)
+ {
+ 	struct vm_struct *area;
++	unsigned long off;
++	unsigned long end_index;
++
++	if (check_shl_overflow(pgoff, PAGE_SHIFT, &off))
++		return -EINVAL;
+ 
+ 	size = PAGE_ALIGN(size);
+ 
+@@ -2201,8 +2209,10 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
+ 	if (!(area->flags & VM_USERMAP))
+ 		return -EINVAL;
+ 
+-	if (kaddr + size > area->addr + get_vm_area_size(area))
++	if (check_add_overflow(size, off, &end_index) ||
++	    end_index > get_vm_area_size(area))
+ 		return -EINVAL;
++	kaddr += off;
+ 
+ 	do {
+ 		struct page *page = vmalloc_to_page(kaddr);
+@@ -2241,7 +2251,7 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
+ 						unsigned long pgoff)
+ {
+ 	return remap_vmalloc_range_partial(vma, vma->vm_start,
+-					   addr + (pgoff << PAGE_SHIFT),
++					   addr, pgoff,
+ 					   vma->vm_end - vma->vm_start);
+ }
+ EXPORT_SYMBOL(remap_vmalloc_range);
+diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
+index 58e0dab06f19..8afb67a48409 100644
+--- a/net/ipv4/ip_vti.c
++++ b/net/ipv4/ip_vti.c
+@@ -696,10 +696,8 @@ static int __init vti_init(void)
+ 
+ 	msg = "ipip tunnel";
+ 	err = xfrm4_tunnel_register(&ipip_handler, AF_INET);
+-	if (err < 0) {
+-		pr_info("%s: cant't register tunnel\n",__func__);
++	if (err < 0)
+ 		goto xfrm_tunnel_failed;
+-	}
+ 
+ 	msg = "netlink interface";
+ 	err = rtnl_link_register(&vti_link_ops);
+diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
+index ed53bf5d2b68..af75c0a8238e 100644
+--- a/net/ipv4/raw.c
++++ b/net/ipv4/raw.c
+@@ -509,9 +509,11 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
+ 		goto out;
+ 
+ 	/* hdrincl should be READ_ONCE(inet->hdrincl)
+-	 * but READ_ONCE() doesn't work with bit fields
++	 * but READ_ONCE() doesn't work with bit fields.
++	 * Doing this indirectly yields the same result.
+ 	 */
+ 	hdrincl = inet->hdrincl;
++	hdrincl = READ_ONCE(hdrincl);
+ 	/*
+ 	 *	Check the flags.
+ 	 */
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 8f5c6fa54ac0..b4f24eabfa54 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -131,8 +131,6 @@ static int ip_rt_min_advmss __read_mostly	= 256;
+ 
+ static int ip_rt_gc_timeout __read_mostly	= RT_GC_TIMEOUT;
+ 
+-static int ip_min_valid_pmtu __read_mostly	= IPV4_MIN_MTU;
+-
+ /*
+  *	Interface to generic destination cache.
+  */
+@@ -2712,6 +2710,7 @@ void ip_rt_multicast_event(struct in_device *in_dev)
+ static int ip_rt_gc_interval __read_mostly  = 60 * HZ;
+ static int ip_rt_gc_min_interval __read_mostly	= HZ / 2;
+ static int ip_rt_gc_elasticity __read_mostly	= 8;
++static int ip_min_valid_pmtu __read_mostly	= IPV4_MIN_MTU;
+ 
+ static int ipv4_sysctl_rtcache_flush(struct ctl_table *__ctl, int write,
+ 					void __user *buffer,
+diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
+index 7ee6518afa86..73705a2368d9 100644
+--- a/net/ipv4/xfrm4_output.c
++++ b/net/ipv4/xfrm4_output.c
+@@ -75,9 +75,7 @@ int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb)
+ {
+ 	memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+ 
+-#ifdef CONFIG_NETFILTER
+ 	IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
+-#endif
+ 
+ 	return xfrm_output(sk, skb);
+ }
+diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
+index 1080770b5eaf..455fa4a30353 100644
+--- a/net/ipv6/ipv6_sockglue.c
++++ b/net/ipv6/ipv6_sockglue.c
+@@ -184,15 +184,14 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
+ 					retv = -EBUSY;
+ 					break;
+ 				}
+-			} else if (sk->sk_protocol == IPPROTO_TCP) {
+-				if (sk->sk_prot != &tcpv6_prot) {
+-					retv = -EBUSY;
+-					break;
+-				}
+-				break;
+-			} else {
++			}
++			if (sk->sk_protocol == IPPROTO_TCP &&
++			    sk->sk_prot != &tcpv6_prot) {
++				retv = -EBUSY;
+ 				break;
+ 			}
++			if (sk->sk_protocol != IPPROTO_TCP)
++				break;
+ 			if (sk->sk_state != TCP_ESTABLISHED) {
+ 				retv = -ENOTCONN;
+ 				break;
+diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
+index 64862c5084ee..b2dc9a820c6a 100644
+--- a/net/ipv6/xfrm6_output.c
++++ b/net/ipv6/xfrm6_output.c
+@@ -125,9 +125,7 @@ int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb)
+ {
+ 	memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+ 
+-#ifdef CONFIG_NETFILTER
+ 	IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
+-#endif
+ 
+ 	return xfrm_output(sk, skb);
+ }
+diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
+index d72a4f1558f2..ef6a3d586591 100644
+--- a/net/netrom/nr_route.c
++++ b/net/netrom/nr_route.c
+@@ -199,6 +199,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
+ 		/* refcount initialized at 1 */
+ 		spin_unlock_bh(&nr_node_list_lock);
+ 
++		nr_neigh_put(nr_neigh);
+ 		return 0;
+ 	}
+ 	nr_node_lock(nr_node);
+diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
+index 39231237e1c3..30f71620d4e3 100644
+--- a/net/x25/x25_dev.c
++++ b/net/x25/x25_dev.c
+@@ -120,8 +120,10 @@ int x25_lapb_receive_frame(struct sk_buff *skb, struct net_device *dev,
+ 		goto drop;
+ 	}
+ 
+-	if (!pskb_may_pull(skb, 1))
++	if (!pskb_may_pull(skb, 1)) {
++		x25_neigh_put(nb);
+ 		return 0;
++	}
+ 
+ 	switch (skb->data[0]) {
+ 
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index d8e132a2d1a8..ab16b81c0c7f 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -1967,7 +1967,6 @@ static const struct hdac_io_ops pci_hda_io_ops = {
+  * should be ignored from the beginning.
+  */
+ static const struct snd_pci_quirk driver_blacklist[] = {
+-	SND_PCI_QUIRK(0x1043, 0x874f, "ASUS ROG Zenith II / Strix", 0),
+ 	SND_PCI_QUIRK(0x1462, 0xcb59, "MSI TRX40 Creator", 0),
+ 	SND_PCI_QUIRK(0x1462, 0xcb60, "MSI TRX40", 0),
+ 	{}
+diff --git a/sound/soc/intel/atom/sst-atom-controls.c b/sound/soc/intel/atom/sst-atom-controls.c
+index b3464ac99b99..ec8be720d5cd 100644
+--- a/sound/soc/intel/atom/sst-atom-controls.c
++++ b/sound/soc/intel/atom/sst-atom-controls.c
+@@ -976,7 +976,9 @@ static int sst_set_be_modules(struct snd_soc_dapm_widget *w,
+ 	dev_dbg(c->dev, "Enter: widget=%s\n", w->name);
+ 
+ 	if (SND_SOC_DAPM_EVENT_ON(event)) {
++		mutex_lock(&drv->lock);
+ 		ret = sst_send_slot_map(drv);
++		mutex_unlock(&drv->lock);
+ 		if (ret)
+ 			return ret;
+ 		ret = sst_send_pipe_module_params(w, k);
+diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
+index 73523cf0329b..41a29bb21519 100644
+--- a/sound/soc/soc-dapm.c
++++ b/sound/soc/soc-dapm.c
+@@ -384,7 +384,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
+ 
+ 			memset(&template, 0, sizeof(template));
+ 			template.reg = e->reg;
+-			template.mask = e->mask << e->shift_l;
++			template.mask = e->mask;
+ 			template.shift = e->shift_l;
+ 			template.off_val = snd_soc_enum_item_to_val(e, 0);
+ 			template.on_val = template.off_val;
+@@ -510,8 +510,22 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
+ 	if (data->value == value)
+ 		return false;
+ 
+-	if (data->widget)
+-		data->widget->on_val = value;
++	if (data->widget) {
++		switch (dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->id) {
++		case snd_soc_dapm_switch:
++		case snd_soc_dapm_mixer:
++		case snd_soc_dapm_mixer_named_ctl:
++			data->widget->on_val = value & data->widget->mask;
++			break;
++		case snd_soc_dapm_demux:
++		case snd_soc_dapm_mux:
++			data->widget->on_val = value >> data->widget->shift;
++			break;
++		default:
++			data->widget->on_val = value;
++			break;
++		}
++	}
+ 
+ 	data->value = value;
+ 
+diff --git a/sound/usb/format.c b/sound/usb/format.c
+index 2c44386e5569..eeb56d6fe8aa 100644
+--- a/sound/usb/format.c
++++ b/sound/usb/format.c
+@@ -220,6 +220,52 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
+ 	return 0;
+ }
+ 
++/*
++ * Many Focusrite devices supports a limited set of sampling rates per
++ * altsetting. Maximum rate is exposed in the last 4 bytes of Format Type
++ * descriptor which has a non-standard bLength = 10.
++ */
++static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip,
++					struct audioformat *fp,
++					unsigned int rate)
++{
++	struct usb_interface *iface;
++	struct usb_host_interface *alts;
++	unsigned char *fmt;
++	unsigned int max_rate;
++
++	iface = usb_ifnum_to_if(chip->dev, fp->iface);
++	if (!iface)
++		return true;
++
++	alts = &iface->altsetting[fp->altset_idx];
++	fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen,
++				      NULL, UAC_FORMAT_TYPE);
++	if (!fmt)
++		return true;
++
++	if (fmt[0] == 10) { /* bLength */
++		max_rate = combine_quad(&fmt[6]);
++
++		/* Validate max rate */
++		if (max_rate != 48000 &&
++		    max_rate != 96000 &&
++		    max_rate != 192000 &&
++		    max_rate != 384000) {
++
++			usb_audio_info(chip,
++				"%u:%d : unexpected max rate: %u\n",
++				fp->iface, fp->altsetting, max_rate);
++
++			return true;
++		}
++
++		return rate <= max_rate;
++	}
++
++	return true;
++}
++
+ /*
+  * Helper function to walk the array of sample rate triplets reported by
+  * the device. The problem is that we need to parse whole array first to
+@@ -256,6 +302,11 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
+ 		}
+ 
+ 		for (rate = min; rate <= max; rate += res) {
++			/* Filter out invalid rates on Focusrite devices */
++			if (USB_ID_VENDOR(chip->usb_id) == 0x1235 &&
++			    !focusrite_valid_sample_rate(chip, fp, rate))
++				goto skip_rate;
++
+ 			if (fp->rate_table)
+ 				fp->rate_table[nr_rates] = rate;
+ 			if (!fp->rate_min || rate < fp->rate_min)
+@@ -270,6 +321,7 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
+ 				break;
+ 			}
+ 
++skip_rate:
+ 			/* avoid endless loop */
+ 			if (res == 0)
+ 				break;
+diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
+index f4fd9548c529..723b535ca2ec 100644
+--- a/sound/usb/mixer_quirks.c
++++ b/sound/usb/mixer_quirks.c
+@@ -1519,11 +1519,15 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
+ 
+ 	/* use known values for that card: interface#1 altsetting#1 */
+ 	iface = usb_ifnum_to_if(chip->dev, 1);
+-	if (!iface || iface->num_altsetting < 2)
+-		return -EINVAL;
++	if (!iface || iface->num_altsetting < 2) {
++		err = -EINVAL;
++		goto end;
++	}
+ 	alts = &iface->altsetting[1];
+-	if (get_iface_desc(alts)->bNumEndpoints < 1)
+-		return -EINVAL;
++	if (get_iface_desc(alts)->bNumEndpoints < 1) {
++		err = -EINVAL;
++		goto end;
++	}
+ 	ep = get_endpoint(alts, 0)->bEndpointAddress;
+ 
+ 	err = snd_usb_ctl_msg(chip->dev,
+diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
+index dd40ca9d858a..4f81fedf0e54 100644
+--- a/sound/usb/usx2y/usbusx2yaudio.c
++++ b/sound/usb/usx2y/usbusx2yaudio.c
+@@ -691,6 +691,8 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
+ 			us->submitted =	2*NOOF_SETRATE_URBS;
+ 			for (i = 0; i < NOOF_SETRATE_URBS; ++i) {
+ 				struct urb *urb = us->urb[i];
++				if (!urb)
++					continue;
+ 				if (urb->status) {
+ 					if (!err)
+ 						err = -ENODEV;
+diff --git a/tools/objtool/check.c b/tools/objtool/check.c
+index db105207757b..360845926f66 100644
+--- a/tools/objtool/check.c
++++ b/tools/objtool/check.c
+@@ -2035,14 +2035,27 @@ static bool ignore_unreachable_insn(struct instruction *insn)
+ 	    !strcmp(insn->sec->name, ".altinstr_aux"))
+ 		return true;
+ 
++	if (!insn->func)
++		return false;
++
++	/*
++	 * CONFIG_UBSAN_TRAP inserts a UD2 when it sees
++	 * __builtin_unreachable().  The BUG() macro has an unreachable() after
++	 * the UD2, which causes GCC's undefined trap logic to emit another UD2
++	 * (or occasionally a JMP to UD2).
++	 */
++	if (list_prev_entry(insn, list)->dead_end &&
++	    (insn->type == INSN_BUG ||
++	     (insn->type == INSN_JUMP_UNCONDITIONAL &&
++	      insn->jump_dest && insn->jump_dest->type == INSN_BUG)))
++		return true;
++
+ 	/*
+ 	 * Check if this (or a subsequent) instruction is related to
+ 	 * CONFIG_UBSAN or CONFIG_KASAN.
+ 	 *
+ 	 * End the search at 5 instructions to avoid going into the weeds.
+ 	 */
+-	if (!insn->func)
+-		return false;
+ 	for (i = 0; i < 5; i++) {
+ 
+ 		if (is_kasan_insn(insn) || is_ubsan_insn(insn))
+diff --git a/tools/objtool/orc_dump.c b/tools/objtool/orc_dump.c
+index c3343820916a..7cbbbdd932f1 100644
+--- a/tools/objtool/orc_dump.c
++++ b/tools/objtool/orc_dump.c
+@@ -78,7 +78,7 @@ int orc_dump(const char *_objname)
+ 	char *name;
+ 	size_t nr_sections;
+ 	Elf64_Addr orc_ip_addr = 0;
+-	size_t shstrtab_idx;
++	size_t shstrtab_idx, strtab_idx = 0;
+ 	Elf *elf;
+ 	Elf_Scn *scn;
+ 	GElf_Shdr sh;
+@@ -139,6 +139,8 @@ int orc_dump(const char *_objname)
+ 
+ 		if (!strcmp(name, ".symtab")) {
+ 			symtab = data;
++		} else if (!strcmp(name, ".strtab")) {
++			strtab_idx = i;
+ 		} else if (!strcmp(name, ".orc_unwind")) {
+ 			orc = data->d_buf;
+ 			orc_size = sh.sh_size;
+@@ -150,7 +152,7 @@ int orc_dump(const char *_objname)
+ 		}
+ 	}
+ 
+-	if (!symtab || !orc || !orc_ip)
++	if (!symtab || !strtab_idx || !orc || !orc_ip)
+ 		return 0;
+ 
+ 	if (orc_size % sizeof(*orc) != 0) {
+@@ -171,21 +173,29 @@ int orc_dump(const char *_objname)
+ 				return -1;
+ 			}
+ 
+-			scn = elf_getscn(elf, sym.st_shndx);
+-			if (!scn) {
+-				WARN_ELF("elf_getscn");
+-				return -1;
+-			}
+-
+-			if (!gelf_getshdr(scn, &sh)) {
+-				WARN_ELF("gelf_getshdr");
+-				return -1;
+-			}
+-
+-			name = elf_strptr(elf, shstrtab_idx, sh.sh_name);
+-			if (!name || !*name) {
+-				WARN_ELF("elf_strptr");
+-				return -1;
++			if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
++				scn = elf_getscn(elf, sym.st_shndx);
++				if (!scn) {
++					WARN_ELF("elf_getscn");
++					return -1;
++				}
++
++				if (!gelf_getshdr(scn, &sh)) {
++					WARN_ELF("gelf_getshdr");
++					return -1;
++				}
++
++				name = elf_strptr(elf, shstrtab_idx, sh.sh_name);
++				if (!name) {
++					WARN_ELF("elf_strptr");
++					return -1;
++				}
++			} else {
++				name = elf_strptr(elf, strtab_idx, sym.st_name);
++				if (!name) {
++					WARN_ELF("elf_strptr");
++					return -1;
++				}
+ 			}
+ 
+ 			printf("%s+%llx:", name, (unsigned long long)rela.r_addend);