Re: Linux 4.9.132

[Greg KH <gregkh@linuxfoundation.org>]

diff --git a/Makefile b/Makefile
index 73c4e9a8c127..a46c9788ca67 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 9
-SUBLEVEL = 131
+SUBLEVEL = 132
 EXTRAVERSION =
 NAME = Roaring Lionus
 
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
index 54b54da6384c..49112f76710c 100644
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -84,7 +84,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v)			\
 	"1:	llock   %[orig], [%[ctr]]		\n"		\
 	"	" #asm_op " %[val], %[orig], %[i]	\n"		\
 	"	scond   %[val], [%[ctr]]		\n"		\
-	"						\n"		\
+	"	bnz     1b				\n"		\
 	: [val]	"=&r"	(val),						\
 	  [orig] "=&r" (orig)						\
 	: [ctr]	"r"	(&v->counter),					\
diff --git a/arch/arm64/include/asm/jump_label.h b/arch/arm64/include/asm/jump_label.h
index 1b5e0e843c3a..7e2b3e360086 100644
--- a/arch/arm64/include/asm/jump_label.h
+++ b/arch/arm64/include/asm/jump_label.h
@@ -28,7 +28,7 @@
 
 static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
 {
-	asm goto("1: nop\n\t"
+	asm_volatile_goto("1: nop\n\t"
 		 ".pushsection __jump_table,  \"aw\"\n\t"
 		 ".align 3\n\t"
 		 ".quad 1b, %l[l_yes], %c0\n\t"
@@ -42,7 +42,7 @@ static __always_inline bool arch_static_branch(struct static_key *key, bool bran
 
 static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
 {
-	asm goto("1: b %l[l_yes]\n\t"
+	asm_volatile_goto("1: b %l[l_yes]\n\t"
 		 ".pushsection __jump_table,  \"aw\"\n\t"
 		 ".align 3\n\t"
 		 ".quad 1b, %l[l_yes], %c0\n\t"
diff --git a/arch/hexagon/include/asm/bitops.h b/arch/hexagon/include/asm/bitops.h
index 5e4a59b3ec1b..2691a1857d20 100644
--- a/arch/hexagon/include/asm/bitops.h
+++ b/arch/hexagon/include/asm/bitops.h
@@ -211,7 +211,7 @@ static inline long ffz(int x)
  * This is defined the same way as ffs.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline long fls(int x)
+static inline int fls(int x)
 {
 	int r;
 
@@ -232,7 +232,7 @@ static inline long fls(int x)
  * the libc and compiler builtin ffs routines, therefore
  * differs in spirit from the above ffz (man ffs).
  */
-static inline long ffs(int x)
+static inline int ffs(int x)
 {
 	int r;
 
diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c
index b9017785fb71..0e2be48dbf07 100644
--- a/arch/hexagon/kernel/dma.c
+++ b/arch/hexagon/kernel/dma.c
@@ -68,7 +68,7 @@ static void *hexagon_dma_alloc_coherent(struct device *dev, size_t size,
 			panic("Can't create %s() memory pool!", __func__);
 		else
 			gen_pool_add(coherent_pool,
-				pfn_to_virt(max_low_pfn),
+				(unsigned long)pfn_to_virt(max_low_pfn),
 				hexagon_coherent_pool_size, -1);
 	}
 
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 05f09ae82587..915e89fcd946 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -314,7 +314,7 @@ static int kvmppc_mmu_book3s_64_hv_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
 	unsigned long pp, key;
 	unsigned long v, gr;
 	__be64 *hptep;
-	int index;
+	long int index;
 	int virtmode = vcpu->arch.shregs.msr & (data ? MSR_DR : MSR_IR);
 
 	/* Get SLB entry */
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 2c3c7abf678b..10c1a5c448e5 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -1195,4 +1195,8 @@ void intel_pmu_lbr_init_knl(void)
 
 	x86_pmu.lbr_sel_mask = LBR_SEL_MASK;
 	x86_pmu.lbr_sel_map  = snb_lbr_sel_map;
+
+	/* Knights Landing does have MISPREDICT bit */
+	if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_LIP)
+		x86_pmu.intel_cap.lbr_format = LBR_FORMAT_EIP_FLAGS;
 }
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index 625ee50fd78b..decaed448ebb 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -63,7 +63,7 @@ struct dcp {
 	struct dcp_coherent_block	*coh;
 
 	struct completion		completion[DCP_MAX_CHANS];
-	struct mutex			mutex[DCP_MAX_CHANS];
+	spinlock_t			lock[DCP_MAX_CHANS];
 	struct task_struct		*thread[DCP_MAX_CHANS];
 	struct crypto_queue		queue[DCP_MAX_CHANS];
 };
@@ -349,13 +349,20 @@ static int dcp_chan_thread_aes(void *data)
 
 	int ret;
 
-	do {
-		__set_current_state(TASK_INTERRUPTIBLE);
+	while (!kthread_should_stop()) {
+		set_current_state(TASK_INTERRUPTIBLE);
 
-		mutex_lock(&sdcp->mutex[chan]);
+		spin_lock(&sdcp->lock[chan]);
 		backlog = crypto_get_backlog(&sdcp->queue[chan]);
 		arq = crypto_dequeue_request(&sdcp->queue[chan]);
-		mutex_unlock(&sdcp->mutex[chan]);
+		spin_unlock(&sdcp->lock[chan]);
+
+		if (!backlog && !arq) {
+			schedule();
+			continue;
+		}
+
+		set_current_state(TASK_RUNNING);
 
 		if (backlog)
 			backlog->complete(backlog, -EINPROGRESS);
@@ -363,11 +370,8 @@ static int dcp_chan_thread_aes(void *data)
 		if (arq) {
 			ret = mxs_dcp_aes_block_crypt(arq);
 			arq->complete(arq, ret);
-			continue;
 		}
-
-		schedule();
-	} while (!kthread_should_stop());
+	}
 
 	return 0;
 }
@@ -409,9 +413,9 @@ static int mxs_dcp_aes_enqueue(struct ablkcipher_request *req, int enc, int ecb)
 	rctx->ecb = ecb;
 	actx->chan = DCP_CHAN_CRYPTO;
 
-	mutex_lock(&sdcp->mutex[actx->chan]);
+	spin_lock(&sdcp->lock[actx->chan]);
 	ret = crypto_enqueue_request(&sdcp->queue[actx->chan], &req->base);
-	mutex_unlock(&sdcp->mutex[actx->chan]);
+	spin_unlock(&sdcp->lock[actx->chan]);
 
 	wake_up_process(sdcp->thread[actx->chan]);
 
@@ -640,13 +644,20 @@ static int dcp_chan_thread_sha(void *data)
 	struct ahash_request *req;
 	int ret, fini;
 
-	do {
-		__set_current_state(TASK_INTERRUPTIBLE);
+	while (!kthread_should_stop()) {
+		set_current_state(TASK_INTERRUPTIBLE);
 
-		mutex_lock(&sdcp->mutex[chan]);
+		spin_lock(&sdcp->lock[chan]);
 		backlog = crypto_get_backlog(&sdcp->queue[chan]);
 		arq = crypto_dequeue_request(&sdcp->queue[chan]);
-		mutex_unlock(&sdcp->mutex[chan]);
+		spin_unlock(&sdcp->lock[chan]);
+
+		if (!backlog && !arq) {
+			schedule();
+			continue;
+		}
+
+		set_current_state(TASK_RUNNING);
 
 		if (backlog)
 			backlog->complete(backlog, -EINPROGRESS);
@@ -658,12 +669,8 @@ static int dcp_chan_thread_sha(void *data)
 			ret = dcp_sha_req_to_buf(arq);
 			fini = rctx->fini;
 			arq->complete(arq, ret);
-			if (!fini)
-				continue;
 		}
-
-		schedule();
-	} while (!kthread_should_stop());
+	}
 
 	return 0;
 }
@@ -721,9 +728,9 @@ static int dcp_sha_update_fx(struct ahash_request *req, int fini)
 		rctx->init = 1;
 	}
 
-	mutex_lock(&sdcp->mutex[actx->chan]);
+	spin_lock(&sdcp->lock[actx->chan]);
 	ret = crypto_enqueue_request(&sdcp->queue[actx->chan], &req->base);
-	mutex_unlock(&sdcp->mutex[actx->chan]);
+	spin_unlock(&sdcp->lock[actx->chan]);
 
 	wake_up_process(sdcp->thread[actx->chan]);
 	mutex_unlock(&actx->mutex);
@@ -979,7 +986,7 @@ static int mxs_dcp_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, sdcp);
 
 	for (i = 0; i < DCP_MAX_CHANS; i++) {
-		mutex_init(&sdcp->mutex[i]);
+		spin_lock_init(&sdcp->lock[i]);
 		init_completion(&sdcp->completion[i]);
 		crypto_init_queue(&sdcp->queue[i], 50);
 	}
diff --git a/drivers/crypto/qat/qat_c3xxx/adf_drv.c b/drivers/crypto/qat/qat_c3xxx/adf_drv.c
index 640c3fc870fd..ad9d6fbc2b8a 100644
--- a/drivers/crypto/qat/qat_c3xxx/adf_drv.c
+++ b/drivers/crypto/qat/qat_c3xxx/adf_drv.c
@@ -123,7 +123,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct adf_hw_device_data *hw_data;
 	char name[ADF_DEVICE_NAME_LENGTH];
 	unsigned int i, bar_nr;
-	int ret, bar_mask;
+	unsigned long bar_mask;
+	int ret;
 
 	switch (ent->device) {
 	case ADF_C3XXX_PCI_DEVICE_ID:
@@ -235,8 +236,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Find and map all the device's BARS */
 	i = 0;
 	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
-	for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
-			 ADF_PCI_MAX_BARS * 2) {
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
 		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
 
 		bar->base_addr = pci_resource_start(pdev, bar_nr);
diff --git a/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c b/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c
index 949d77b79fbe..0dd8d2dc2ec1 100644
--- a/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c
+++ b/drivers/crypto/qat/qat_c3xxxvf/adf_drv.c
@@ -125,7 +125,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct adf_hw_device_data *hw_data;
 	char name[ADF_DEVICE_NAME_LENGTH];
 	unsigned int i, bar_nr;
-	int ret, bar_mask;
+	unsigned long bar_mask;
+	int ret;
 
 	switch (ent->device) {
 	case ADF_C3XXXIOV_PCI_DEVICE_ID:
@@ -215,8 +216,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Find and map all the device's BARS */
 	i = 0;
 	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
-	for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
-			 ADF_PCI_MAX_BARS * 2) {
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
 		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
 
 		bar->base_addr = pci_resource_start(pdev, bar_nr);
diff --git a/drivers/crypto/qat/qat_c62x/adf_drv.c b/drivers/crypto/qat/qat_c62x/adf_drv.c
index 5b2d78a5b5aa..dcdb94cd7163 100644
--- a/drivers/crypto/qat/qat_c62x/adf_drv.c
+++ b/drivers/crypto/qat/qat_c62x/adf_drv.c
@@ -123,7 +123,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct adf_hw_device_data *hw_data;
 	char name[ADF_DEVICE_NAME_LENGTH];
 	unsigned int i, bar_nr;
-	int ret, bar_mask;
+	unsigned long bar_mask;
+	int ret;
 
 	switch (ent->device) {
 	case ADF_C62X_PCI_DEVICE_ID:
@@ -235,8 +236,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Find and map all the device's BARS */
 	i = (hw_data->fuses & ADF_DEVICE_FUSECTL_MASK) ? 1 : 0;
 	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
-	for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
-			 ADF_PCI_MAX_BARS * 2) {
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
 		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
 
 		bar->base_addr = pci_resource_start(pdev, bar_nr);
diff --git a/drivers/crypto/qat/qat_c62xvf/adf_drv.c b/drivers/crypto/qat/qat_c62xvf/adf_drv.c
index 7540ce13b0d0..cd9e63468b18 100644
--- a/drivers/crypto/qat/qat_c62xvf/adf_drv.c
+++ b/drivers/crypto/qat/qat_c62xvf/adf_drv.c
@@ -125,7 +125,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct adf_hw_device_data *hw_data;
 	char name[ADF_DEVICE_NAME_LENGTH];
 	unsigned int i, bar_nr;
-	int ret, bar_mask;
+	unsigned long bar_mask;
+	int ret;
 
 	switch (ent->device) {
 	case ADF_C62XIOV_PCI_DEVICE_ID:
@@ -215,8 +216,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Find and map all the device's BARS */
 	i = 0;
 	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
-	for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
-			 ADF_PCI_MAX_BARS * 2) {
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
 		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
 
 		bar->base_addr = pci_resource_start(pdev, bar_nr);
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
index 4d2de2838451..3417443f08a2 100644
--- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
+++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c
@@ -123,7 +123,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct adf_hw_device_data *hw_data;
 	char name[ADF_DEVICE_NAME_LENGTH];
 	unsigned int i, bar_nr;
-	int ret, bar_mask;
+	unsigned long bar_mask;
+	int ret;
 
 	switch (ent->device) {
 	case ADF_DH895XCC_PCI_DEVICE_ID:
@@ -237,8 +238,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Find and map all the device's BARS */
 	i = 0;
 	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
-	for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
-			 ADF_PCI_MAX_BARS * 2) {
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
 		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
 
 		bar->base_addr = pci_resource_start(pdev, bar_nr);
diff --git a/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c b/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c
index 60df98632fa2..15de9cbed3bf 100644
--- a/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c
+++ b/drivers/crypto/qat/qat_dh895xccvf/adf_drv.c
@@ -125,7 +125,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct adf_hw_device_data *hw_data;
 	char name[ADF_DEVICE_NAME_LENGTH];
 	unsigned int i, bar_nr;
-	int ret, bar_mask;
+	unsigned long bar_mask;
+	int ret;
 
 	switch (ent->device) {
 	case ADF_DH895XCCIOV_PCI_DEVICE_ID:
@@ -215,8 +216,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Find and map all the device's BARS */
 	i = 0;
 	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
-	for_each_set_bit(bar_nr, (const unsigned long *)&bar_mask,
-			 ADF_PCI_MAX_BARS * 2) {
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
 		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
 
 		bar->base_addr = pci_resource_start(pdev, bar_nr);
diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c
index c0f718b12317..c85407abc201 100644
--- a/drivers/gpio/gpio-adp5588.c
+++ b/drivers/gpio/gpio-adp5588.c
@@ -41,6 +41,8 @@ struct adp5588_gpio {
 	uint8_t int_en[3];
 	uint8_t irq_mask[3];
 	uint8_t irq_stat[3];
+	uint8_t int_input_en[3];
+	uint8_t int_lvl_cached[3];
 };
 
 static int adp5588_gpio_read(struct i2c_client *client, u8 reg)
@@ -173,12 +175,28 @@ static void adp5588_irq_bus_sync_unlock(struct irq_data *d)
 	struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);
 	int i;
 
-	for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++)
+	for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
+		if (dev->int_input_en[i]) {
+			mutex_lock(&dev->lock);
+			dev->dir[i] &= ~dev->int_input_en[i];
+			dev->int_input_en[i] = 0;
+			adp5588_gpio_write(dev->client, GPIO_DIR1 + i,
+					   dev->dir[i]);
+			mutex_unlock(&dev->lock);
+		}
+
+		if (dev->int_lvl_cached[i] != dev->int_lvl[i]) {
+			dev->int_lvl_cached[i] = dev->int_lvl[i];
+			adp5588_gpio_write(dev->client, GPIO_INT_LVL1 + i,
+					   dev->int_lvl[i]);
+		}
+
 		if (dev->int_en[i] ^ dev->irq_mask[i]) {
 			dev->int_en[i] = dev->irq_mask[i];
 			adp5588_gpio_write(dev->client, GPIO_INT_EN1 + i,
 					   dev->int_en[i]);
 		}
+	}
 
 	mutex_unlock(&dev->irq_lock);
 }
@@ -221,9 +239,7 @@ static int adp5588_irq_set_type(struct irq_data *d, unsigned int type)
 	else
 		return -EINVAL;
 
-	adp5588_gpio_direction_input(&dev->gpio_chip, gpio);
-	adp5588_gpio_write(dev->client, GPIO_INT_LVL1 + bank,
-			   dev->int_lvl[bank]);
+	dev->int_input_en[bank] |= bit;
 
 	return 0;
 }
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 193f15d50bba..aac84329c759 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -31,6 +31,7 @@ static int of_gpiochip_match_node_and_xlate(struct gpio_chip *chip, void *data)
 	struct of_phandle_args *gpiospec = data;
 
 	return chip->gpiodev->dev.of_node == gpiospec->np &&
+				chip->of_xlate &&
 				chip->of_xlate(chip, gpiospec, NULL) >= 0;
 }
 
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index dd0076497463..2ec402ae14de 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -471,7 +471,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
 		if (ret)
 			goto out_free_descs;
 		lh->descs[i] = desc;
-		count = i;
+		count = i + 1;
 
 		if (lflags & GPIOHANDLE_REQUEST_ACTIVE_LOW)
 			set_bit(FLAG_ACTIVE_LOW, &desc->flags);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
index a410c0db8a08..6a1b81e2b727 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
@@ -161,7 +161,8 @@ gm200_devinit_post(struct nvkm_devinit *base, bool post)
 	}
 
 	/* load and execute some other ucode image (bios therm?) */
-	return pmu_load(init, 0x01, post, NULL, NULL);
+	pmu_load(init, 0x01, post, NULL, NULL);
+	return 0;
 }
 
 static const struct nvkm_devinit_func
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 2e046082210f..65a0c79f212e 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -333,7 +333,8 @@ static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 		struct hid_field *field, struct hid_usage *usage,
 		unsigned long **bit, int *max)
 {
-	if (usage->hid == (HID_UP_CUSTOM | 0x0003)) {
+	if (usage->hid == (HID_UP_CUSTOM | 0x0003) ||
+			usage->hid == (HID_UP_MSVENDOR | 0x0003)) {
 		/* The fn key on Apple USB keyboards */
 		set_bit(EV_REP, hi->input->evbit);
 		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN);
@@ -476,6 +477,12 @@ static const struct hid_device_id apple_devices[] = {
 		.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI),
 		.driver_data = APPLE_HAS_FN },
+	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI),
+		.driver_data = APPLE_HAS_FN },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI),
+		.driver_data = APPLE_HAS_FN },
+	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI),
+		.driver_data = APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI),
 		.driver_data = APPLE_HAS_FN },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO),
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index de64cd33590a..8913f357e78f 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -83,6 +83,7 @@
 #define USB_DEVICE_ID_ANTON_TOUCH_PAD	0x3101
 
 #define USB_VENDOR_ID_APPLE		0x05ac
+#define BT_VENDOR_ID_APPLE		0x004c
 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE	0x0304
 #define USB_DEVICE_ID_APPLE_MAGICMOUSE	0x030d
 #define USB_DEVICE_ID_APPLE_MAGICTRACKPAD	0x030e
@@ -152,6 +153,7 @@
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO   0x0256
 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS   0x0257
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI   0x0267
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI   0x026c
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI	0x0290
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO	0x0291
 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS	0x0292
@@ -888,6 +890,7 @@
 #define USB_DEVICE_ID_SAITEK_RUMBLEPAD	0xff17
 #define USB_DEVICE_ID_SAITEK_PS1000	0x0621
 #define USB_DEVICE_ID_SAITEK_RAT7_OLD	0x0ccb
+#define USB_DEVICE_ID_SAITEK_RAT7_CONTAGION	0x0ccd
 #define USB_DEVICE_ID_SAITEK_RAT7	0x0cd7
 #define USB_DEVICE_ID_SAITEK_RAT9	0x0cfa
 #define USB_DEVICE_ID_SAITEK_MMO7	0x0cd0
diff --git a/drivers/hid/hid-saitek.c b/drivers/hid/hid-saitek.c
index 39e642686ff0..683861f324e3 100644
--- a/drivers/hid/hid-saitek.c
+++ b/drivers/hid/hid-saitek.c
@@ -183,6 +183,8 @@ static const struct hid_device_id saitek_devices[] = {
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7),
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_CONTAGION),
+		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9),
 		.driver_data = SAITEK_RELEASE_MODE_RAT7 },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9),
diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c
index db9105e52c79..0da4991dd356 100644
--- a/drivers/i2c/busses/i2c-uniphier-f.c
+++ b/drivers/i2c/busses/i2c-uniphier-f.c
@@ -400,11 +400,8 @@ static int uniphier_fi2c_master_xfer(struct i2c_adapter *adap,
 		return ret;
 
 	for (msg = msgs; msg < emsg; msg++) {
-		/* If next message is read, skip the stop condition */
-		bool stop = !(msg + 1 < emsg && msg[1].flags & I2C_M_RD);
-		/* but, force it if I2C_M_STOP is set */
-		if (msg->flags & I2C_M_STOP)
-			stop = true;
+		/* Emit STOP if it is the last message or I2C_M_STOP is set. */
+		bool stop = (msg + 1 == emsg) || (msg->flags & I2C_M_STOP);
 
 		ret = uniphier_fi2c_master_xfer_one(adap, msg, stop);
 		if (ret)
diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
index 56e92af46ddc..fdfcee9230e4 100644
--- a/drivers/i2c/busses/i2c-uniphier.c
+++ b/drivers/i2c/busses/i2c-uniphier.c
@@ -247,11 +247,8 @@ static int uniphier_i2c_master_xfer(struct i2c_adapter *adap,
 		return ret;
 
 	for (msg = msgs; msg < emsg; msg++) {
-		/* If next message is read, skip the stop condition */
-		bool stop = !(msg + 1 < emsg && msg[1].flags & I2C_M_RD);
-		/* but, force it if I2C_M_STOP is set */
-		if (msg->flags & I2C_M_STOP)
-			stop = true;
+		/* Emit STOP if it is the last message or I2C_M_STOP is set. */
+		bool stop = (msg + 1 == emsg) || (msg->flags & I2C_M_STOP);
 
 		ret = uniphier_i2c_master_xfer_one(adap, msg, stop);
 		if (ret)
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 3bef6d4ffe6f..0fd0d82f80d2 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -124,6 +124,8 @@ static DEFINE_MUTEX(mut);
 static DEFINE_IDR(ctx_idr);
 static DEFINE_IDR(multicast_idr);
 
+static const struct file_operations ucma_fops;
+
 static inline struct ucma_context *_ucma_find_context(int id,
 						      struct ucma_file *file)
 {
@@ -1545,6 +1547,10 @@ static ssize_t ucma_migrate_id(struct ucma_file *new_file,
 	f = fdget(cmd.fd);
 	if (!f.file)
 		return -ENOENT;
+	if (f.file->f_op != &ucma_fops) {
+		ret = -EINVAL;
+		goto file_put;
+	}
 
 	/* Validate current fd and prevent destruction of id. */
 	ctx = ucma_get_ctx(f.file->private_data, cmd.id);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index ee75e3510be6..3f389b267e04 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -2880,6 +2880,11 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags);
 		rs_set_new(rs);
 	} else if (rs_is_recovering(rs)) {
+		/* Rebuild particular devices */
+		if (test_bit(__CTR_FLAG_REBUILD, &rs->ctr_flags)) {
+			set_bit(RT_FLAG_UPDATE_SBS, &rs->runtime_flags);
+			rs_setup_recovery(rs, MaxSector);
+		}
 		/* A recovering raid set may be resized */
 		; /* skip setup rs */
 	} else if (rs_is_reshaping(rs)) {
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index e976f4f39334..149fbac97cb6 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -189,6 +189,12 @@ struct dm_pool_metadata {
 	unsigned long flags;
 	sector_t data_block_size;
 
+	/*
+	 * We reserve a section of the metadata for commit overhead.
+	 * All reported space does *not* include this.
+	 */
+	dm_block_t metadata_reserve;
+
 	/*
 	 * Set if a transaction has to be aborted but the attempt to roll back
 	 * to the previous (good) transaction failed.  The only pool metadata
@@ -827,6 +833,20 @@ static int __commit_transaction(struct dm_pool_metadata *pmd)
 	return dm_tm_commit(pmd->tm, sblock);
 }
 
+static void __set_metadata_reserve(struct dm_pool_metadata *pmd)
+{
+	int r;
+	dm_block_t total;
+	dm_block_t max_blocks = 4096; /* 16M */
+
+	r = dm_sm_get_nr_blocks(pmd->metadata_sm, &total);
+	if (r) {
+		DMERR("could not get size of metadata device");
+		pmd->metadata_reserve = max_blocks;
+	} else
+		pmd->metadata_reserve = min(max_blocks, div_u64(total, 10));
+}
+
 struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev,
 					       sector_t data_block_size,
 					       bool format_device)
@@ -860,6 +880,8 @@ struct dm_pool_metadata *dm_pool_metadata_open(struct block_device *bdev,
 		return ERR_PTR(r);
 	}
 
+	__set_metadata_reserve(pmd);
+
 	return pmd;
 }
 
@@ -1831,6 +1853,13 @@ int dm_pool_get_free_metadata_block_count(struct dm_pool_metadata *pmd,
 	down_read(&pmd->root_lock);
 	if (!pmd->fail_io)
 		r = dm_sm_get_nr_free(pmd->metadata_sm, result);
+
+	if (!r) {
+		if (*result < pmd->metadata_reserve)
+			*result = 0;
+		else
+			*result -= pmd->metadata_reserve;
+	}
 	up_read(&pmd->root_lock);
 
 	return r;
@@ -1943,8 +1972,11 @@ int dm_pool_resize_metadata_dev(struct dm_pool_metadata *pmd, dm_block_t new_cou
 	int r = -EINVAL;
 
 	down_write(&pmd->root_lock);
-	if (!pmd->fail_io)
+	if (!pmd->fail_io) {
 		r = __resize_space_map(pmd->metadata_sm, new_count);
+		if (!r)
+			__set_metadata_reserve(pmd);
+	}
 	up_write(&pmd->root_lock);
 
 	return r;
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index a952ad890f32..81309d7836c5 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -200,7 +200,13 @@ struct dm_thin_new_mapping;
 enum pool_mode {
 	PM_WRITE,		/* metadata may be changed */
 	PM_OUT_OF_DATA_SPACE,	/* metadata may be changed, though data may not be allocated */
+
+	/*
+	 * Like READ_ONLY, except may switch back to WRITE on metadata resize. Reported as READ_ONLY.
+	 */
+	PM_OUT_OF_METADATA_SPACE,
 	PM_READ_ONLY,		/* metadata may not be changed */
+
 	PM_FAIL,		/* all I/O fails */
 };
 
@@ -1386,7 +1392,35 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode);
 
 static void requeue_bios(struct pool *pool);
 
-static void check_for_space(struct pool *pool)
+static bool is_read_only_pool_mode(enum pool_mode mode)
+{
+	return (mode == PM_OUT_OF_METADATA_SPACE || mode == PM_READ_ONLY);
+}
+
+static bool is_read_only(struct pool *pool)
+{
+	return is_read_only_pool_mode(get_pool_mode(pool));
+}
+
+static void check_for_metadata_space(struct pool *pool)
+{
+	int r;
+	const char *ooms_reason = NULL;
+	dm_block_t nr_free;
+
+	r = dm_pool_get_free_metadata_block_count(pool->pmd, &nr_free);
+	if (r)
+		ooms_reason = "Could not get free metadata blocks";
+	else if (!nr_free)
+		ooms_reason = "No free metadata blocks";
+
+	if (ooms_reason && !is_read_only(pool)) {
+		DMERR("%s", ooms_reason);
+		set_pool_mode(pool, PM_OUT_OF_METADATA_SPACE);
+	}
+}
+
+static void check_for_data_space(struct pool *pool)
 {
 	int r;
 	dm_block_t nr_free;
@@ -1412,14 +1446,16 @@ static int commit(struct pool *pool)
 {
 	int r;
 
-	if (get_pool_mode(pool) >= PM_READ_ONLY)
+	if (get_pool_mode(pool) >= PM_OUT_OF_METADATA_SPACE)
 		return -EINVAL;
 
 	r = dm_pool_commit_metadata(pool->pmd);
 	if (r)
 		metadata_operation_failed(pool, "dm_pool_commit_metadata", r);
-	else
-		check_for_space(pool);
+	else {
+		check_for_metadata_space(pool);
+		check_for_data_space(pool);
+	}
 
 	return r;
 }
@@ -1485,6 +1521,19 @@ static int alloc_data_block(struct thin_c *tc, dm_block_t *result)
 		return r;
 	}
 
+	r = dm_pool_get_free_metadata_block_count(pool->pmd, &free_blocks);
+	if (r) {
+		metadata_operation_failed(pool, "dm_pool_get_free_metadata_block_count", r);
+		return r;
+	}
+
+	if (!free_blocks) {
+		/* Let's commit before we use up the metadata reserve. */
+		r = commit(pool);
+		if (r)
+			return r;
+	}
+
 	return 0;
 }
 
@@ -1516,6 +1565,7 @@ static int should_error_unserviceable_bio(struct pool *pool)
 	case PM_OUT_OF_DATA_SPACE:
 		return pool->pf.error_if_no_space ? -ENOSPC : 0;
 
+	case PM_OUT_OF_METADATA_SPACE:
 	case PM_READ_ONLY:
 	case PM_FAIL:
 		return -EIO;
@@ -2479,8 +2529,9 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
 		error_retry_list(pool);
 		break;
 
+	case PM_OUT_OF_METADATA_SPACE:
 	case PM_READ_ONLY:
-		if (old_mode != new_mode)
+		if (!is_read_only_pool_mode(old_mode))
 			notify_of_pool_mode_change(pool, "read-only");
 		dm_pool_metadata_read_only(pool->pmd);
 		pool->process_bio = process_bio_read_only;
@@ -3418,6 +3469,10 @@ static int maybe_resize_metadata_dev(struct dm_target *ti, bool *need_commit)
 		DMINFO("%s: growing the metadata device from %llu to %llu blocks",
 		       dm_device_name(pool->pool_md),
 		       sb_metadata_dev_size, metadata_dev_size);
+
+		if (get_pool_mode(pool) == PM_OUT_OF_METADATA_SPACE)
+			set_pool_mode(pool, PM_WRITE);
+
 		r = dm_pool_resize_metadata_dev(pool->pmd, metadata_dev_size);
 		if (r) {
 			metadata_operation_failed(pool, "dm_pool_resize_metadata_dev", r);
@@ -3721,7 +3776,7 @@ static int pool_message(struct dm_target *ti, unsigned argc, char **argv)
 	struct pool_c *pt = ti->private;
 	struct pool *pool = pt->pool;
 
-	if (get_pool_mode(pool) >= PM_READ_ONLY) {
+	if (get_pool_mode(pool) >= PM_OUT_OF_METADATA_SPACE) {
 		DMERR("%s: unable to service pool target messages in READ_ONLY or FAIL mode",
 		      dm_device_name(pool->pool_md));
 		return -EOPNOTSUPP;
@@ -3795,6 +3850,7 @@ static void pool_status(struct dm_target *ti, status_type_t type,
 	dm_block_t nr_blocks_data;
 	dm_block_t nr_blocks_metadata;
 	dm_block_t held_root;
+	enum pool_mode mode;
 	char buf[BDEVNAME_SIZE];
 	char buf2[BDEVNAME_SIZE];
 	struct pool_c *pt = ti->private;
@@ -3865,9 +3921,10 @@ static void pool_status(struct dm_target *ti, status_type_t type,
 		else
 			DMEMIT("- ");
 
-		if (pool->pf.mode == PM_OUT_OF_DATA_SPACE)
+		mode = get_pool_mode(pool);
+		if (mode == PM_OUT_OF_DATA_SPACE)
 			DMEMIT("out_of_data_space ");
-		else if (pool->pf.mode == PM_READ_ONLY)
+		else if (is_read_only_pool_mode(mode))
 			DMEMIT("ro ");
 		else
 			DMEMIT("rw ");
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 6da66c3acd46..b3046063402c 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -4381,11 +4381,12 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr,
 		allow_barrier(conf);
 	}
 
+	raise_barrier(conf, 0);
 read_more:
 	/* Now schedule reads for blocks from sector_nr to last */
 	r10_bio = mempool_alloc(conf->r10buf_pool, GFP_NOIO);
 	r10_bio->state = 0;
-	raise_barrier(conf, sectors_done != 0);
+	raise_barrier(conf, 1);
 	atomic_set(&r10_bio->remaining, 0);
 	r10_bio->mddev = mddev;
 	r10_bio->sector = sector_nr;
@@ -4492,6 +4493,8 @@ static sector_t reshape_request(struct mddev *mddev, sector_t sector_nr,
 	if (sector_nr <= last)
 		goto read_more;
 
+	lower_barrier(conf);
+
 	/* Now that we have done the whole section we can
 	 * update reshape_progress
 	 */
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 0d9ce08ee3a9..1d92e034febc 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -422,7 +422,7 @@ static inline int ena_alloc_rx_page(struct ena_ring *rx_ring,
 		return -ENOMEM;
 	}
 
-	dma = dma_map_page(rx_ring->dev, page, 0, PAGE_SIZE,
+	dma = dma_map_page(rx_ring->dev, page, 0, ENA_PAGE_SIZE,
 			   DMA_FROM_DEVICE);
 	if (unlikely(dma_mapping_error(rx_ring->dev, dma))) {
 		u64_stats_update_begin(&rx_ring->syncp);
@@ -439,7 +439,7 @@ static inline int ena_alloc_rx_page(struct ena_ring *rx_ring,
 	rx_info->page_offset = 0;
 	ena_buf = &rx_info->ena_buf;
 	ena_buf->paddr = dma;
-	ena_buf->len = PAGE_SIZE;
+	ena_buf->len = ENA_PAGE_SIZE;
 
 	return 0;
 }
@@ -456,7 +456,7 @@ static void ena_free_rx_page(struct ena_ring *rx_ring,
 		return;
 	}
 
-	dma_unmap_page(rx_ring->dev, ena_buf->paddr, PAGE_SIZE,
+	dma_unmap_page(rx_ring->dev, ena_buf->paddr, ENA_PAGE_SIZE,
 		       DMA_FROM_DEVICE);
 
 	__free_page(page);
@@ -849,10 +849,10 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring,
 	do {
 		dma_unmap_page(rx_ring->dev,
 			       dma_unmap_addr(&rx_info->ena_buf, paddr),
-			       PAGE_SIZE, DMA_FROM_DEVICE);
+			       ENA_PAGE_SIZE, DMA_FROM_DEVICE);
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_info->page,
-				rx_info->page_offset, len, PAGE_SIZE);
+				rx_info->page_offset, len, ENA_PAGE_SIZE);
 
 		netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev,
 			  "rx skb updated. len %d. data_len %d\n",
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
index c5eaf7616939..008f2d594d40 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
@@ -321,4 +321,15 @@ void ena_dump_stats_to_buf(struct ena_adapter *adapter, u8 *buf);
 
 int ena_get_sset_count(struct net_device *netdev, int sset);
 
+/* The ENA buffer length fields is 16 bit long. So when PAGE_SIZE == 64kB the
+ * driver passas 0.
+ * Since the max packet size the ENA handles is ~9kB limit the buffer length to
+ * 16kB.
+ */
+#if PAGE_SIZE > SZ_16K
+#define ENA_PAGE_SIZE SZ_16K
+#else
+#define ENA_PAGE_SIZE PAGE_SIZE
+#endif
+
 #endif /* !(ENA_H) */
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index ec09fcece711..2e1585635083 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -517,7 +517,7 @@ static int macb_halt_tx(struct macb *bp)
 		if (!(status & MACB_BIT(TGO)))
 			return 0;
 
-		usleep_range(10, 250);
+		udelay(250);
 	} while (time_before(halt_time, timeout));
 
 	return -ETIMEDOUT;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index 6be0cae44e9b..4cd163390dcc 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -243,7 +243,9 @@ static int hns_nic_set_link_ksettings(struct net_device *net_dev,
 	}
 
 	if (h->dev->ops->adjust_link) {
+		netif_carrier_off(net_dev);
 		h->dev->ops->adjust_link(h, (int)speed, cmd->base.duplex);
+		netif_carrier_on(net_dev);
 		return 0;
 	}
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index a9dbc28f6b97..524fff2b3dc6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -288,16 +288,17 @@ void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol)
 		}
 }
 
-static u16 mlx5_gen_pci_id(struct mlx5_core_dev *dev)
+static u32 mlx5_gen_pci_id(struct mlx5_core_dev *dev)
 {
-	return (u16)((dev->pdev->bus->number << 8) |
+	return (u32)((pci_domain_nr(dev->pdev->bus) << 16) |
+		     (dev->pdev->bus->number << 8) |
 		     PCI_SLOT(dev->pdev->devfn));
 }
 
 /* Must be called with intf_mutex held */
 struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev)
 {
-	u16 pci_id = mlx5_gen_pci_id(dev);
+	u32 pci_id = mlx5_gen_pci_id(dev);
 	struct mlx5_core_dev *res = NULL;
 	struct mlx5_core_dev *tmp_dev;
 	struct mlx5_priv *priv;
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index f65e8cd6d144..20f5c0cabc89 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -760,7 +760,7 @@ struct rtl8169_tc_offsets {
 };
 
 enum rtl_flag {
-	RTL_FLAG_TASK_ENABLED,
+	RTL_FLAG_TASK_ENABLED = 0,
 	RTL_FLAG_TASK_SLOW_PENDING,
 	RTL_FLAG_TASK_RESET_PENDING,
 	RTL_FLAG_TASK_PHY_PENDING,
@@ -7637,7 +7637,8 @@ static int rtl8169_close(struct net_device *dev)
 	rtl8169_update_counters(dev);
 
 	rtl_lock_work(tp);
-	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
+	/* Clear all task flags */
+	bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
 
 	rtl8169_down(dev);
 	rtl_unlock_work(tp);
@@ -7820,7 +7821,9 @@ static void rtl8169_net_suspend(struct net_device *dev)
 
 	rtl_lock_work(tp);
 	napi_disable(&tp->napi);
-	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
+	/* Clear all task flags */
+	bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
+
 	rtl_unlock_work(tp);
 
 	rtl_pll_power_down(tp);
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 95e96419b4cf..4bb36dc73433 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2569,9 +2569,6 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
 				IEEE80211_VHT_CAP_SHORT_GI_80 |
 				IEEE80211_VHT_CAP_SHORT_GI_160 |
 				IEEE80211_VHT_CAP_TXSTBC |
-				IEEE80211_VHT_CAP_RXSTBC_1 |
-				IEEE80211_VHT_CAP_RXSTBC_2 |
-				IEEE80211_VHT_CAP_RXSTBC_3 |
 				IEEE80211_VHT_CAP_RXSTBC_4 |
 				IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
 			sband->vht_cap.vht_mcs.rx_mcs_map =
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 53bd32550867..2dfd877974d7 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -65,6 +65,7 @@ struct nvmet_rdma_rsp {
 
 	struct nvmet_req	req;
 
+	bool			allocated;
 	u8			n_rdma;
 	u32			flags;
 	u32			invalidate_rkey;
@@ -167,11 +168,19 @@ nvmet_rdma_get_rsp(struct nvmet_rdma_queue *queue)
 	unsigned long flags;
 
 	spin_lock_irqsave(&queue->rsps_lock, flags);
-	rsp = list_first_entry(&queue->free_rsps,
+	rsp = list_first_entry_or_null(&queue->free_rsps,
 				struct nvmet_rdma_rsp, free_list);
-	list_del(&rsp->free_list);
+	if (likely(rsp))
+		list_del(&rsp->free_list);
 	spin_unlock_irqrestore(&queue->rsps_lock, flags);
 
+	if (unlikely(!rsp)) {
+		rsp = kmalloc(sizeof(*rsp), GFP_KERNEL);
+		if (unlikely(!rsp))
+			return NULL;
+		rsp->allocated = true;
+	}
+
 	return rsp;
 }
 
@@ -180,6 +189,11 @@ nvmet_rdma_put_rsp(struct nvmet_rdma_rsp *rsp)
 {
 	unsigned long flags;
 
+	if (rsp->allocated) {
+		kfree(rsp);
+		return;
+	}
+
 	spin_lock_irqsave(&rsp->queue->rsps_lock, flags);
 	list_add_tail(&rsp->free_list, &rsp->queue->free_rsps);
 	spin_unlock_irqrestore(&rsp->queue->rsps_lock, flags);
@@ -755,6 +769,15 @@ static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc)
 
 	cmd->queue = queue;
 	rsp = nvmet_rdma_get_rsp(queue);
+	if (unlikely(!rsp)) {
+		/*
+		 * we get here only under memory pressure,
+		 * silently drop and have the host retry
+		 * as we can't even fail it.
+		 */
+		nvmet_rdma_post_recv(queue->dev, cmd);
+		return;
+	}
 	rsp->queue = queue;
 	rsp->cmd = cmd;
 	rsp->flags = 0;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 258a72869f57..a5e603062ee0 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -23,6 +23,7 @@
 #include <linux/netdevice.h>
 #include <linux/netdev_features.h>
 #include <linux/skbuff.h>
+#include <linux/vmalloc.h>
 
 #include <net/iucv/af_iucv.h>
 #include <net/dsfield.h>
@@ -4715,7 +4716,7 @@ int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
 
 	priv.buffer_len = oat_data.buffer_len;
 	priv.response_len = 0;
-	priv.buffer =  kzalloc(oat_data.buffer_len, GFP_KERNEL);
+	priv.buffer = vzalloc(oat_data.buffer_len);
 	if (!priv.buffer) {
 		rc = -ENOMEM;
 		goto out;
@@ -4756,7 +4757,7 @@ int qeth_query_oat_command(struct qeth_card *card, char __user *udata)
 			rc = -EFAULT;
 
 out_free:
-	kfree(priv.buffer);
+	vfree(priv.buffer);
 out:
 	return rc;
 }
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index e94e9579914e..58404e69aa4b 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -491,7 +491,7 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
 		default:
 			dev_kfree_skb_any(skb);
 			QETH_CARD_TEXT(card, 3, "inbunkno");
-			QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN);
+			QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr));
 			continue;
 		}
 		work_done++;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 4ca161bdc696..efefe075557f 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1836,7 +1836,7 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
 		default:
 			dev_kfree_skb_any(skb);
 			QETH_CARD_TEXT(card, 3, "inbunkno");
-			QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN);
+			QETH_DBF_HEX(CTRL, 3, hdr, sizeof(*hdr));
 			continue;
 		}
 		work_done++;
diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
index 45b57c294d13..401c983ec5f3 100644
--- a/drivers/tty/serial/mvebu-uart.c
+++ b/drivers/tty/serial/mvebu-uart.c
@@ -327,8 +327,10 @@ static void mvebu_uart_set_termios(struct uart_port *port,
 	if ((termios->c_cflag & CREAD) == 0)
 		port->ignore_status_mask |= STAT_RX_RDY | STAT_BRK_ERR;
 
-	if (old)
+	if (old) {
 		tty_termios_copy_hw(termios, old);
+		termios->c_cflag |= CS8;
+	}
 
 	baud = uart_get_baud_rate(port, termios, old, 0, 460800);
 	uart_update_timeout(port, termios->c_cflag, baud);
diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c
index 6ba122cc7490..95df2b3bb6a1 100644
--- a/drivers/usb/gadget/udc/fotg210-udc.c
+++ b/drivers/usb/gadget/udc/fotg210-udc.c
@@ -1066,12 +1066,15 @@ static struct usb_gadget_ops fotg210_gadget_ops = {
 static int fotg210_udc_remove(struct platform_device *pdev)
 {
 	struct fotg210_udc *fotg210 = platform_get_drvdata(pdev);
+	int i;
 
 	usb_del_gadget_udc(&fotg210->gadget);
 	iounmap(fotg210->reg);
 	free_irq(platform_get_irq(pdev, 0), fotg210);
 
 	fotg210_ep_free_request(&fotg210->ep[0]->ep, fotg210->ep0_req);
+	for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
+		kfree(fotg210->ep[i]);
 	kfree(fotg210);
 
 	return 0;
@@ -1102,7 +1105,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	/* initialize udc */
 	fotg210 = kzalloc(sizeof(struct fotg210_udc), GFP_KERNEL);
 	if (fotg210 == NULL)
-		goto err_alloc;
+		goto err;
 
 	for (i = 0; i < FOTG210_MAX_NUM_EP; i++) {
 		_ep[i] = kzalloc(sizeof(struct fotg210_ep), GFP_KERNEL);
@@ -1114,7 +1117,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	fotg210->reg = ioremap(res->start, resource_size(res));
 	if (fotg210->reg == NULL) {
 		pr_err("ioremap error.\n");
-		goto err_map;
+		goto err_alloc;
 	}
 
 	spin_lock_init(&fotg210->lock);
@@ -1162,7 +1165,7 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	fotg210->ep0_req = fotg210_ep_alloc_request(&fotg210->ep[0]->ep,
 				GFP_KERNEL);
 	if (fotg210->ep0_req == NULL)
-		goto err_req;
+		goto err_map;
 
 	fotg210_init(fotg210);
 
@@ -1190,12 +1193,14 @@ static int fotg210_udc_probe(struct platform_device *pdev)
 	fotg210_ep_free_request(&fotg210->ep[0]->ep, fotg210->ep0_req);
 
 err_map:
-	if (fotg210->reg)
-		iounmap(fotg210->reg);
+	iounmap(fotg210->reg);
 
 err_alloc:
+	for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
+		kfree(fotg210->ep[i]);
 	kfree(fotg210);
 
+err:
 	return ret;
 }
 
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index e36c6c6452cd..1e672343bcd6 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -423,6 +423,9 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
 	spin_unlock_irqrestore(&dev->lock, flags);
 	mutex_unlock(&dev->io_mutex);
 
+	if (WARN_ON_ONCE(len >= sizeof(in_buffer)))
+		return -EIO;
+
 	return simple_read_from_buffer(buffer, count, ppos, in_buffer, len);
 }
 
diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c
index 5676aefdf2bc..f4e59c445964 100644
--- a/drivers/xen/cpu_hotplug.c
+++ b/drivers/xen/cpu_hotplug.c
@@ -18,15 +18,16 @@ static void enable_hotplug_cpu(int cpu)
 
 static void disable_hotplug_cpu(int cpu)
 {
-	if (cpu_online(cpu)) {
-		lock_device_hotplug();
+	if (!cpu_is_hotpluggable(cpu))
+		return;
+	lock_device_hotplug();
+	if (cpu_online(cpu))
 		device_offline(get_cpu_device(cpu));
-		unlock_device_hotplug();
-	}
-	if (cpu_present(cpu))
+	if (!cpu_online(cpu) && cpu_present(cpu)) {
 		xen_arch_unregister_cpu(cpu);
-
-	set_cpu_present(cpu, false);
+		set_cpu_present(cpu, false);
+	}
+	unlock_device_hotplug();
 }
 
 static int vcpu_online(unsigned int cpu)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 1435d8c58ea0..4b0cc9d0ca53 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -139,7 +139,7 @@ static int set_evtchn_to_irq(unsigned evtchn, unsigned irq)
 		clear_evtchn_to_irq_row(row);
 	}
 
-	evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)] = irq;
+	evtchn_to_irq[row][col] = irq;
 	return 0;
 }
 
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 7abaaa5f0f67..abd49bc7c460 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -282,9 +282,11 @@ static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
 		/*
 		 * The Xenstore watch fires directly after registering it and
 		 * after a suspend/resume cycle. So ENOENT is no error but
-		 * might happen in those cases.
+		 * might happen in those cases. ERANGE is observed when we get
+		 * an empty value (''), this happens when we acknowledge the
+		 * request by writing '\0' below.
 		 */
-		if (err != -ENOENT)
+		if (err != -ENOENT && err != -ERANGE)
 			pr_err("Error %d reading sysrq code in control/sysrq\n",
 			       err);
 		xenbus_transaction_end(xbt, 1);
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index a0b3e7d1be48..211ac472cb9d 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -101,9 +101,6 @@ convert_sfm_char(const __u16 src_char, char *target)
 	case SFM_LESSTHAN:
 		*target = '<';
 		break;
-	case SFM_SLASH:
-		*target = '\\';
-		break;
 	case SFM_SPACE:
 		*target = ' ';
 		break;
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8407b07428a6..741b83c59a30 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -577,10 +577,15 @@ CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses)
 	}
 
 	count = 0;
+	/*
+	 * We know that all the name entries in the protocols array
+	 * are short (< 16 bytes anyway) and are NUL terminated.
+	 */
 	for (i = 0; i < CIFS_NUM_PROT; i++) {
-		strncpy(pSMB->DialectsArray+count, protocols[i].name, 16);
-		count += strlen(protocols[i].name) + 1;
-		/* null at end of source and target buffers anyway */
+		size_t len = strlen(protocols[i].name) + 1;
+
+		memcpy(pSMB->DialectsArray+count, protocols[i].name, len);
+		count += len;
 	}
 	inc_rfc1001_len(pSMB, count);
 	pSMB->ByteCount = cpu_to_le16(count);
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 323d8e34abde..50559a80acf8 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -406,9 +406,17 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
 			(struct smb_com_transaction_change_notify_rsp *)buf;
 		struct file_notify_information *pnotify;
 		__u32 data_offset = 0;
+		size_t len = srv->total_read - sizeof(pSMBr->hdr.smb_buf_length);
+
 		if (get_bcc(buf) > sizeof(struct file_notify_information)) {
 			data_offset = le32_to_cpu(pSMBr->DataOffset);
 
+			if (data_offset >
+			    len - sizeof(struct file_notify_information)) {
+				cifs_dbg(FYI, "invalid data_offset %u\n",
+					 data_offset);
+				return true;
+			}
 			pnotify = (struct file_notify_information *)
 				((char *)&pSMBr->hdr.Protocol + data_offset);
 			cifs_dbg(FYI, "dnotify on %s Action: 0x%x\n",
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 68622f1e706b..08c1c86c2ad9 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -989,7 +989,7 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
 	}
 
 	srch_inf->entries_in_buffer = 0;
-	srch_inf->index_of_last_entry = 0;
+	srch_inf->index_of_last_entry = 2;
 
 	rc = SMB2_query_directory(xid, tcon, fid->persistent_fid,
 				  fid->volatile_fid, 0, srch_inf);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 3f828a187049..0cc30a56c3e6 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -589,9 +589,9 @@ static void dlm_init_lockres(struct dlm_ctxt *dlm,
 
 	res->last_used = 0;
 
-	spin_lock(&dlm->spinlock);
+	spin_lock(&dlm->track_lock);
 	list_add_tail(&res->tracking, &dlm->tracking_list);
-	spin_unlock(&dlm->spinlock);
+	spin_unlock(&dlm->track_lock);
 
 	memset(res->lvb, 0, DLM_LVB_LEN);
 	memset(res->refmap, 0, sizeof(res->refmap));
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 591bf2b1ab66..79702d405ba7 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -454,6 +454,20 @@ static int proc_pid_stack(struct seq_file *m, struct pid_namespace *ns,
 	int err;
 	int i;
 
+	/*
+	 * The ability to racily run the kernel stack unwinder on a running task
+	 * and then observe the unwinder output is scary; while it is useful for
+	 * debugging kernel issues, it can also allow an attacker to leak kernel
+	 * stack contents.
+	 * Doing this in a manner that is at least safe from races would require
+	 * some work to ensure that the remote task can not be scheduled; and
+	 * even then, this would still expose the unwinder as local attack
+	 * surface.
+	 * Therefore, this interface is restricted to root.
+	 */
+	if (!file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN))
+		return -EACCES;
+
 	entries = kmalloc(MAX_STACK_TRACE_DEPTH * sizeof(*entries), GFP_KERNEL);
 	if (!entries)
 		return -ENOMEM;
diff --git a/fs/xattr.c b/fs/xattr.c
index 093998872329..2f6423182301 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -953,17 +953,19 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs,
 	int err = 0;
 
 #ifdef CONFIG_FS_POSIX_ACL
-	if (inode->i_acl) {
-		err = xattr_list_one(&buffer, &remaining_size,
-				     XATTR_NAME_POSIX_ACL_ACCESS);
-		if (err)
-			return err;
-	}
-	if (inode->i_default_acl) {
-		err = xattr_list_one(&buffer, &remaining_size,
-				     XATTR_NAME_POSIX_ACL_DEFAULT);
-		if (err)
-			return err;
+	if (IS_POSIXACL(inode)) {
+		if (inode->i_acl) {
+			err = xattr_list_one(&buffer, &remaining_size,
+					     XATTR_NAME_POSIX_ACL_ACCESS);
+			if (err)
+				return err;
+		}
+		if (inode->i_default_acl) {
+			err = xattr_list_one(&buffer, &remaining_size,
+					     XATTR_NAME_POSIX_ACL_DEFAULT);
+			if (err)
+				return err;
+		}
 	}
 #endif
 
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index c2a0f0072274..734377ad42e9 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -292,6 +292,8 @@ static inline u64 jiffies_to_nsecs(const unsigned long j)
 	return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC;
 }
 
+extern u64 jiffies64_to_nsecs(u64 j);
+
 extern unsigned long __msecs_to_jiffies(const unsigned int m);
 #if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
 /*
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 39468651a064..a5b6d98ea7b1 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -704,6 +704,16 @@ u64 nsec_to_clock_t(u64 x)
 #endif
 }
 
+u64 jiffies64_to_nsecs(u64 j)
+{
+#if !(NSEC_PER_SEC % HZ)
+	return (NSEC_PER_SEC / HZ) * j;
+# else
+	return div_u64(j * HZ_TO_NSEC_NUM, HZ_TO_NSEC_DEN);
+#endif
+}
+EXPORT_SYMBOL(jiffies64_to_nsecs);
+
 /**
  * nsecs_to_jiffies64 - Convert nsecs in u64 to jiffies64
  *
diff --git a/kernel/time/timeconst.bc b/kernel/time/timeconst.bc
index c48688904f9f..f83bbb81600b 100644
--- a/kernel/time/timeconst.bc
+++ b/kernel/time/timeconst.bc
@@ -98,6 +98,12 @@ define timeconst(hz) {
 		print "#define HZ_TO_USEC_DEN\t\t", hz/cd, "\n"
 		print "#define USEC_TO_HZ_NUM\t\t", hz/cd, "\n"
 		print "#define USEC_TO_HZ_DEN\t\t", 1000000/cd, "\n"
+
+		cd=gcd(hz,1000000000)
+		print "#define HZ_TO_NSEC_NUM\t\t", 1000000000/cd, "\n"
+		print "#define HZ_TO_NSEC_DEN\t\t", hz/cd, "\n"
+		print "#define NSEC_TO_HZ_NUM\t\t", hz/cd, "\n"
+		print "#define NSEC_TO_HZ_DEN\t\t", 1000000000/cd, "\n"
 		print "\n"
 
 		print "#endif /* KERNEL_TIMECONST_H */\n"
diff --git a/mm/madvise.c b/mm/madvise.c
index a49afe08698b..4a01c4bd786c 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -81,7 +81,7 @@ static long madvise_behavior(struct vm_area_struct *vma,
 		new_flags |= VM_DONTDUMP;
 		break;
 	case MADV_DODUMP:
-		if (new_flags & VM_SPECIAL) {
+		if (!is_vm_hugetlb_page(vma) && new_flags & VM_SPECIAL) {
 			error = -EINVAL;
 			goto out;
 		}
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index a5acaf1efaab..0c0695eb2609 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -948,8 +948,8 @@ static void ieee80211_rx_mgmt_deauth_ibss(struct ieee80211_sub_if_data *sdata,
 	if (len < IEEE80211_DEAUTH_FRAME_LEN)
 		return;
 
-	ibss_dbg(sdata, "RX DeAuth SA=%pM DA=%pM BSSID=%pM (reason: %d)\n",
-		 mgmt->sa, mgmt->da, mgmt->bssid, reason);
+	ibss_dbg(sdata, "RX DeAuth SA=%pM DA=%pM\n", mgmt->sa, mgmt->da);
+	ibss_dbg(sdata, "\tBSSID=%pM (reason: %d)\n", mgmt->bssid, reason);
 	sta_info_destroy_addr(sdata, mgmt->sa);
 }
 
@@ -967,9 +967,9 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
 	auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
 	auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
 
-	ibss_dbg(sdata,
-		 "RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n",
-		 mgmt->sa, mgmt->da, mgmt->bssid, auth_transaction);
+	ibss_dbg(sdata, "RX Auth SA=%pM DA=%pM\n", mgmt->sa, mgmt->da);
+	ibss_dbg(sdata, "\tBSSID=%pM (auth_transaction=%d)\n",
+		 mgmt->bssid, auth_transaction);
 
 	if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
 		return;
@@ -1176,10 +1176,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 		rx_timestamp = drv_get_tsf(local, sdata);
 	}
 
-	ibss_dbg(sdata,
-		 "RX beacon SA=%pM BSSID=%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+	ibss_dbg(sdata, "RX beacon SA=%pM BSSID=%pM TSF=0x%llx\n",
 		 mgmt->sa, mgmt->bssid,
-		 (unsigned long long)rx_timestamp,
+		 (unsigned long long)rx_timestamp);
+	ibss_dbg(sdata, "\tBCN=0x%llx diff=%lld @%lu\n",
 		 (unsigned long long)beacon_timestamp,
 		 (unsigned long long)(rx_timestamp - beacon_timestamp),
 		 jiffies);
@@ -1538,9 +1538,9 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
 
 	tx_last_beacon = drv_tx_last_beacon(local);
 
-	ibss_dbg(sdata,
-		 "RX ProbeReq SA=%pM DA=%pM BSSID=%pM (tx_last_beacon=%d)\n",
-		 mgmt->sa, mgmt->da, mgmt->bssid, tx_last_beacon);
+	ibss_dbg(sdata, "RX ProbeReq SA=%pM DA=%pM\n", mgmt->sa, mgmt->da);
+	ibss_dbg(sdata, "\tBSSID=%pM (tx_last_beacon=%d)\n",
+		 mgmt->bssid, tx_last_beacon);
 
 	if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
 		return;
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 2bb6899854d4..e3bbfb20ae82 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -254,8 +254,27 @@ static void ieee80211_restart_work(struct work_struct *work)
 	     "%s called with hardware scan in progress\n", __func__);
 
 	rtnl_lock();
-	list_for_each_entry(sdata, &local->interfaces, list)
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		/*
+		 * XXX: there may be more work for other vif types and even
+		 * for station mode: a good thing would be to run most of
+		 * the iface type's dependent _stop (ieee80211_mg_stop,
+		 * ieee80211_ibss_stop) etc...
+		 * For now, fix only the specific bug that was seen: race
+		 * between csa_connection_drop_work and us.
+		 */
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+			/*
+			 * This worker is scheduled from the iface worker that
+			 * runs on mac80211's workqueue, so we can't be
+			 * scheduling this worker after the cancel right here.
+			 * The exception is ieee80211_chswitch_done.
+			 * Then we can have a race...
+			 */
+			cancel_work_sync(&sdata->u.mgd.csa_connection_drop_work);
+		}
 		flush_delayed_work(&sdata->dec_tailroom_needed_wk);
+	}
 	ieee80211_scan_cancel(local);
 
 	/* make sure any new ROC will consider local->in_reconfig */
@@ -466,10 +485,7 @@ static const struct ieee80211_vht_cap mac80211_vht_capa_mod_mask = {
 		cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC |
 			    IEEE80211_VHT_CAP_SHORT_GI_80 |
 			    IEEE80211_VHT_CAP_SHORT_GI_160 |
-			    IEEE80211_VHT_CAP_RXSTBC_1 |
-			    IEEE80211_VHT_CAP_RXSTBC_2 |
-			    IEEE80211_VHT_CAP_RXSTBC_3 |
-			    IEEE80211_VHT_CAP_RXSTBC_4 |
+			    IEEE80211_VHT_CAP_RXSTBC_MASK |
 			    IEEE80211_VHT_CAP_TXSTBC |
 			    IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
 			    IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
@@ -1164,6 +1180,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 #if IS_ENABLED(CONFIG_IPV6)
 	unregister_inet6addr_notifier(&local->ifa6_notifier);
 #endif
+	ieee80211_txq_teardown_flows(local);
 
 	rtnl_lock();
 
@@ -1191,7 +1208,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 	skb_queue_purge(&local->skb_queue);
 	skb_queue_purge(&local->skb_queue_unreliable);
 	skb_queue_purge(&local->skb_queue_tdls_chsw);
-	ieee80211_txq_teardown_flows(local);
 
 	destroy_workqueue(local->workqueue);
 	wiphy_unregister(local->hw.wiphy);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index fed598a202c8..b0acb2961e80 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -563,6 +563,10 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 		forward = false;
 		reply = true;
 		target_metric = 0;
+
+		if (SN_GT(target_sn, ifmsh->sn))
+			ifmsh->sn = target_sn;
+
 		if (time_after(jiffies, ifmsh->last_sn_update +
 					net_traversal_jiffies(sdata)) ||
 		    time_before(jiffies, ifmsh->last_sn_update)) {
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index e6f42d12222e..39451c84c785 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -989,6 +989,10 @@ static void ieee80211_chswitch_work(struct work_struct *work)
 	 */
 
 	if (sdata->reserved_chanctx) {
+		struct ieee80211_supported_band *sband = NULL;
+		struct sta_info *mgd_sta = NULL;
+		enum ieee80211_sta_rx_bandwidth bw = IEEE80211_STA_RX_BW_20;
+
 		/*
 		 * with multi-vif csa driver may call ieee80211_csa_finish()
 		 * many times while waiting for other interfaces to use their
@@ -997,6 +1001,48 @@ static void ieee80211_chswitch_work(struct work_struct *work)
 		if (sdata->reserved_ready)
 			goto out;
 
+		if (sdata->vif.bss_conf.chandef.width !=
+		    sdata->csa_chandef.width) {
+			/*
+			 * For managed interface, we need to also update the AP
+			 * station bandwidth and align the rate scale algorithm
+			 * on the bandwidth change. Here we only consider the
+			 * bandwidth of the new channel definition (as channel
+			 * switch flow does not have the full HT/VHT/HE
+			 * information), assuming that if additional changes are
+			 * required they would be done as part of the processing
+			 * of the next beacon from the AP.
+			 */
+			switch (sdata->csa_chandef.width) {
+			case NL80211_CHAN_WIDTH_20_NOHT:
+			case NL80211_CHAN_WIDTH_20:
+			default:
+				bw = IEEE80211_STA_RX_BW_20;
+				break;
+			case NL80211_CHAN_WIDTH_40:
+				bw = IEEE80211_STA_RX_BW_40;
+				break;
+			case NL80211_CHAN_WIDTH_80:
+				bw = IEEE80211_STA_RX_BW_80;
+				break;
+			case NL80211_CHAN_WIDTH_80P80:
+			case NL80211_CHAN_WIDTH_160:
+				bw = IEEE80211_STA_RX_BW_160;
+				break;
+			}
+
+			mgd_sta = sta_info_get(sdata, ifmgd->bssid);
+			sband =
+				local->hw.wiphy->bands[sdata->csa_chandef.chan->band];
+		}
+
+		if (sdata->vif.bss_conf.chandef.width >
+		    sdata->csa_chandef.width) {
+			mgd_sta->sta.bandwidth = bw;
+			rate_control_rate_update(local, sband, mgd_sta,
+						 IEEE80211_RC_BW_CHANGED);
+		}
+
 		ret = ieee80211_vif_use_reserved_context(sdata);
 		if (ret) {
 			sdata_info(sdata,
@@ -1007,6 +1053,13 @@ static void ieee80211_chswitch_work(struct work_struct *work)
 			goto out;
 		}
 
+		if (sdata->vif.bss_conf.chandef.width <
+		    sdata->csa_chandef.width) {
+			mgd_sta->sta.bandwidth = bw;
+			rate_control_rate_update(local, sband, mgd_sta,
+						 IEEE80211_RC_BW_CHANGED);
+		}
+
 		goto out;
 	}
 
@@ -1229,6 +1282,16 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 					 cbss->beacon_interval));
 	return;
  drop_connection:
+	/*
+	 * This is just so that the disconnect flow will know that
+	 * we were trying to switch channel and failed. In case the
+	 * mode is 1 (we are not allowed to Tx), we will know not to
+	 * send a deauthentication frame. Those two fields will be
+	 * reset when the disconnection worker runs.
+	 */
+	sdata->vif.csa_active = true;
+	sdata->csa_block_tx = csa_ie.mode;
+
 	ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
 	mutex_unlock(&local->chanctx_mtx);
 	mutex_unlock(&local->mtx);
@@ -2401,6 +2464,7 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 	u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN];
+	bool tx;
 
 	sdata_lock(sdata);
 	if (!ifmgd->associated) {
@@ -2408,6 +2472,8 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
 		return;
 	}
 
+	tx = !sdata->csa_block_tx;
+
 	/* AP is probably out of range (or not reachable for another reason) so
 	 * remove the bss struct for that AP.
 	 */
@@ -2415,7 +2481,7 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
 
 	ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
 			       WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
-			       true, frame_buf);
+			       tx, frame_buf);
 	mutex_lock(&local->mtx);
 	sdata->vif.csa_active = false;
 	ifmgd->csa_waiting_bcn = false;
@@ -2426,7 +2492,7 @@ static void __ieee80211_disconnect(struct ieee80211_sub_if_data *sdata)
 	}
 	mutex_unlock(&local->mtx);
 
-	ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), true,
+	ieee80211_report_disconnect(sdata, frame_buf, sizeof(frame_buf), tx,
 				    WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
 
 	sdata_unlock(sdata);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 6afac189d20f..0e91ec49d3da 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -11148,6 +11148,7 @@ static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info)
 		return -EOPNOTSUPP;
 
 	if (!info->attrs[NL80211_ATTR_MDID] ||
+	    !info->attrs[NL80211_ATTR_IE] ||
 	    !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
 		return -EINVAL;
 
diff --git a/net/wireless/util.c b/net/wireless/util.c
index bb54d9db82df..3b9a81998014 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1432,7 +1432,7 @@ bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
 					  u8 *op_class)
 {
 	u8 vht_opclass;
-	u16 freq = chandef->center_freq1;
+	u32 freq = chandef->center_freq1;
 
 	if (freq >= 2412 && freq <= 2472) {
 		if (chandef->width > NL80211_CHAN_WIDTH_40)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f03a1430a3cb..ca2945711dbe 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5698,6 +5698,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1028, 0x0706, "Dell Inspiron 7559", ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER),
 	SND_PCI_QUIRK(0x1028, 0x0725, "Dell Inspiron 3162", ALC255_FIXUP_DELL_SPK_NOISE),
 	SND_PCI_QUIRK(0x1028, 0x075b, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
+	SND_PCI_QUIRK(0x1028, 0x075c, "Dell XPS 27 7760", ALC298_FIXUP_SPK_VOLUME),
 	SND_PCI_QUIRK(0x1028, 0x075d, "Dell AIO", ALC298_FIXUP_SPK_VOLUME),
 	SND_PCI_QUIRK(0x1028, 0x07b0, "Dell Precision 7520", ALC295_FIXUP_DISABLE_DAC3),
 	SND_PCI_QUIRK(0x1028, 0x0798, "Dell Inspiron 17 7000 Gaming", ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER),
diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c
index de477a3dc968..01a288c79dc5 100644
--- a/tools/perf/arch/powerpc/util/sym-handling.c
+++ b/tools/perf/arch/powerpc/util/sym-handling.c
@@ -21,15 +21,16 @@ bool elf__needs_adjust_symbols(GElf_Ehdr ehdr)
 
 #endif
 
-#if !defined(_CALL_ELF) || _CALL_ELF != 2
 int arch__choose_best_symbol(struct symbol *syma,
 			     struct symbol *symb __maybe_unused)
 {
 	char *sym = syma->name;
 
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
 	/* Skip over any initial dot */
 	if (*sym == '.')
 		sym++;
+#endif
 
 	/* Avoid "SyS" kernel syscall aliases */
 	if (strlen(sym) >= 3 && !strncmp(sym, "SyS", 3))
@@ -40,6 +41,7 @@ int arch__choose_best_symbol(struct symbol *syma,
 	return SYMBOL_A;
 }
 
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
 /* Allow matching against dot variants */
 int arch__compare_symbol_names(const char *namea, const char *nameb)
 {
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f55d10854565..3be8c489884e 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -241,8 +241,9 @@ struct perf_evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
 {
 	struct perf_evsel *evsel = zalloc(perf_evsel__object.size);
 
-	if (evsel != NULL)
-		perf_evsel__init(evsel, attr, idx);
+	if (!evsel)
+		return NULL;
+	perf_evsel__init(evsel, attr, idx);
 
 	if (perf_evsel__is_bpf_output(evsel)) {
 		evsel->attr.sample_type |= (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c
index e92903fc7113..6d5bcbaf6193 100644
--- a/tools/vm/page-types.c
+++ b/tools/vm/page-types.c
@@ -155,12 +155,6 @@ static const char * const page_flag_names[] = {
 };
 
 
-static const char * const debugfs_known_mountpoints[] = {
-	"/sys/kernel/debug",
-	"/debug",
-	0,
-};
-
 /*
  * data structures
  */
diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c
index b9d34b37c017..6975ec43913b 100644
--- a/tools/vm/slabinfo.c
+++ b/tools/vm/slabinfo.c
@@ -29,8 +29,8 @@ struct slabinfo {
 	int alias;
 	int refs;
 	int aliases, align, cache_dma, cpu_slabs, destroy_by_rcu;
-	int hwcache_align, object_size, objs_per_slab;
-	int sanity_checks, slab_size, store_user, trace;
+	unsigned int hwcache_align, object_size, objs_per_slab;
+	unsigned int sanity_checks, slab_size, store_user, trace;
 	int order, poison, reclaim_account, red_zone;
 	unsigned long partial, objects, slabs, objects_partial, objects_total;
 	unsigned long alloc_fastpath, alloc_slowpath;