diff --git a/Makefile b/Makefile
index 0d41b0626c0c..bc58f206c0da 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 169
+SUBLEVEL = 170
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c 
b/arch/arm/mach-imx/cpuidle-imx6sx.c
index 3c6672b3796b..7f5df8992008 100644
--- a/arch/arm/mach-imx/cpuidle-imx6sx.c
+++ b/arch/arm/mach-imx/cpuidle-imx6sx.c
@@ -97,7 +97,7 @@ int __init imx6sx_cpuidle_init(void)
         * except for power up sw2iso which need to be
         * larger than LDO ramp up time.
         */
-       imx_gpc_set_arm_power_up_timing(2, 1);
+       imx_gpc_set_arm_power_up_timing(0xf, 1);
        imx_gpc_set_arm_power_down_timing(1, 1);
 
        return cpuidle_register(&imx6sx_cpuidle_driver, NULL);
diff --git a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c 
b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
index 37fe58c19a90..542c3ede9722 100644
--- a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
+++ b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c
@@ -13,6 +13,7 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include "../../../../include/linux/sizes.h"
 
 int main(int argc, char *argv[])
 {
@@ -45,11 +46,11 @@ int main(int argc, char *argv[])
        vmlinuz_load_addr = vmlinux_load_addr + vmlinux_size;
 
        /*
-        * Align with 16 bytes: "greater than that used for any standard data
-        * types by a MIPS compiler." -- See MIPS Run Linux (Second Edition).
+        * Align with 64KB: KEXEC needs load sections to be aligned to 
PAGE_SIZE,
+        * which may be as large as 64KB depending on the kernel configuration.
         */
 
-       vmlinuz_load_addr += (16 - vmlinux_size % 16);
+       vmlinuz_load_addr += (SZ_64K - vmlinux_size % SZ_64K);
 
        printf("0x%llx\n", vmlinuz_load_addr);
 
diff --git a/arch/mips/include/asm/pgtable-64.h 
b/arch/mips/include/asm/pgtable-64.h
index cf661a2fb141..16fade4f49dd 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -189,6 +189,11 @@ static inline int pmd_bad(pmd_t pmd)
 
 static inline int pmd_present(pmd_t pmd)
 {
+#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
+       if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
+               return pmd_val(pmd) & _PAGE_PRESENT;
+#endif
+
        return pmd_val(pmd) != (unsigned long) invalid_pte_table;
 }
 
diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S
index 5c2199857aa8..a3550e8f1a77 100644
--- a/arch/powerpc/boot/crt0.S
+++ b/arch/powerpc/boot/crt0.S
@@ -15,7 +15,7 @@
 RELA = 7
 RELACOUNT = 0x6ffffff9
 
-       .text
+       .data
        /* A procedure descriptor used when booting this as a COFF file.
         * When making COFF, this comes first in the link and we're
         * linked at 0x500000.
@@ -23,6 +23,8 @@ RELACOUNT = 0x6ffffff9
        .globl  _zimage_start_opd
 _zimage_start_opd:
        .long   0x500000, 0, 0, 0
+       .text
+       b       _zimage_start
 
 #ifdef __powerpc64__
 .balign 8
diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c
index 8baaff5af0b5..75b9d43069f1 100644
--- a/arch/x86/crypto/chacha20_glue.c
+++ b/arch/x86/crypto/chacha20_glue.c
@@ -77,6 +77,7 @@ static int chacha20_simd(struct blkcipher_desc *desc, struct 
scatterlist *dst,
 
        blkcipher_walk_init(&walk, dst, src, nbytes);
        err = blkcipher_walk_virt_block(desc, &walk, CHACHA20_BLOCK_SIZE);
+       desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
 
        crypto_chacha20_init(state, crypto_blkcipher_ctx(desc->tfm), walk.iv);
 
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index c048d0d70cc4..2cb49ac1b2b2 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1200,7 +1200,7 @@ asmlinkage void kvm_spurious_fault(void);
        "cmpb $0, kvm_rebooting \n\t"         \
        "jne 668b \n\t"                       \
        __ASM_SIZE(push) " $666b \n\t"        \
-       "call kvm_spurious_fault \n\t"        \
+       "jmp kvm_spurious_fault \n\t"         \
        ".popsection \n\t" \
        _ASM_EXTABLE(666b, 667b)
 
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index d76f13d6d8d6..ec894bf5eeb0 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -173,6 +173,8 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned 
long __arg)
        struct mtrr_gentry gentry;
        void __user *arg = (void __user *) __arg;
 
+       memset(&gentry, 0, sizeof(gentry));
+
        switch (cmd) {
        case MTRRIOC_ADD_ENTRY:
        case MTRRIOC_SET_ENTRY:
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e4b5fd72ca24..3bdb2e747b89 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6163,9 +6163,24 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu)
 
        gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
        if (!kvm_io_bus_write(vcpu, KVM_FAST_MMIO_BUS, gpa, 0, NULL)) {
-               skip_emulated_instruction(vcpu);
                trace_kvm_fast_mmio(gpa);
-               return 1;
+               /*
+               * Doing kvm_skip_emulated_instruction() depends on undefined
+               * behavior: Intel's manual doesn't mandate
+               * VM_EXIT_INSTRUCTION_LEN to be set in VMCS when EPT MISCONFIG
+               * occurs and while on real hardware it was observed to be set,
+               * other hypervisors (namely Hyper-V) don't set it, we end up
+               * advancing IP with some random value. Disable fast mmio when
+               * running nested and keep it for real hardware in hope that
+               * VM_EXIT_INSTRUCTION_LEN will always be set correctly.
+               */
+               if (!static_cpu_has(X86_FEATURE_HYPERVISOR)) {
+                       skip_emulated_instruction(vcpu);
+                       return 1;
+               }
+               else
+                       return x86_emulate_instruction(vcpu, gpa, EMULTYPE_SKIP,
+                                                      NULL, 0) == EMULATE_DONE;
        }
 
        ret = handle_mmio_page_fault(vcpu, gpa, true);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index aa1a0277a678..1a934bb8ed1c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5436,7 +5436,8 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu,
                 * handle watchpoints yet, those would be handled in
                 * the emulate_ops.
                 */
-               if (kvm_vcpu_check_breakpoint(vcpu, &r))
+               if (!(emulation_type & EMULTYPE_SKIP) &&
+                   kvm_vcpu_check_breakpoint(vcpu, &r))
                        return r;
 
                ctxt->interruptibility = 0;
diff --git a/drivers/gpio/gpio-max7301.c b/drivers/gpio/gpio-max7301.c
index 05813fbf3daf..647dfbbc4e1c 100644
--- a/drivers/gpio/gpio-max7301.c
+++ b/drivers/gpio/gpio-max7301.c
@@ -25,7 +25,7 @@ static int max7301_spi_write(struct device *dev, unsigned int 
reg,
        struct spi_device *spi = to_spi_device(dev);
        u16 word = ((reg & 0x7F) << 8) | (val & 0xFF);
 
-       return spi_write(spi, (const u8 *)&word, sizeof(word));
+       return spi_write_then_read(spi, &word, sizeof(word), NULL, 0);
 }
 
 /* A read from the MAX7301 means two transfers; here, one message each */
@@ -37,14 +37,8 @@ static int max7301_spi_read(struct device *dev, unsigned int 
reg)
        struct spi_device *spi = to_spi_device(dev);
 
        word = 0x8000 | (reg << 8);
-       ret = spi_write(spi, (const u8 *)&word, sizeof(word));
-       if (ret)
-               return ret;
-       /*
-        * This relies on the fact, that a transfer with NULL tx_buf shifts out
-        * zero bytes (=NOOP for MAX7301)
-        */
-       ret = spi_read(spi, (u8 *)&word, sizeof(word));
+       ret = spi_write_then_read(spi, &word, sizeof(word), &word,
+                                 sizeof(word));
        if (ret)
                return ret;
        return word & 0xff;
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 8ce2a0c59116..a7030ada81fd 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -36,6 +36,7 @@
 
 #include <linux/pci.h>
 #include <linux/export.h>
+#include <linux/nospec.h>
 
 static int drm_version(struct drm_device *dev, void *data,
                       struct drm_file *file_priv);
@@ -702,13 +703,17 @@ long drm_ioctl(struct file *filp,
 
        if (is_driver_ioctl) {
                /* driver ioctl */
-               if (nr - DRM_COMMAND_BASE >= dev->driver->num_ioctls)
+               unsigned int index = nr - DRM_COMMAND_BASE;
+
+               if (index >= dev->driver->num_ioctls)
                        goto err_i1;
-               ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
+               index = array_index_nospec(index, dev->driver->num_ioctls);
+               ioctl = &dev->driver->ioctls[index];
        } else {
                /* core ioctl */
                if (nr >= DRM_CORE_IOCTL_COUNT)
                        goto err_i1;
+               nr = array_index_nospec(nr, DRM_CORE_IOCTL_COUNT);
                ioctl = &drm_ioctls[nr];
        }
 
@@ -810,6 +815,7 @@ bool drm_ioctl_flags(unsigned int nr, unsigned int *flags)
 
        if (nr >= DRM_CORE_IOCTL_COUNT)
                return false;
+       nr = array_index_nospec(nr, DRM_CORE_IOCTL_COUNT);
 
        *flags = drm_ioctls[nr].flags;
        return true;
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 802dcb409030..b877cce0409b 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -316,6 +316,8 @@ static ssize_t out_intr_mask_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
        return sprintf(buf, "%d\n", outbound.current_interrupt_mask);
 }
@@ -329,6 +331,8 @@ static ssize_t out_read_index_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
        return sprintf(buf, "%d\n", outbound.current_read_index);
 }
@@ -343,6 +347,8 @@ static ssize_t out_write_index_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
        return sprintf(buf, "%d\n", outbound.current_write_index);
 }
@@ -357,6 +363,8 @@ static ssize_t out_read_bytes_avail_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
        return sprintf(buf, "%d\n", outbound.bytes_avail_toread);
 }
@@ -371,6 +379,8 @@ static ssize_t out_write_bytes_avail_show(struct device 
*dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
        return sprintf(buf, "%d\n", outbound.bytes_avail_towrite);
 }
@@ -384,6 +394,8 @@ static ssize_t in_intr_mask_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
        return sprintf(buf, "%d\n", inbound.current_interrupt_mask);
 }
@@ -397,6 +409,8 @@ static ssize_t in_read_index_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
        return sprintf(buf, "%d\n", inbound.current_read_index);
 }
@@ -410,6 +424,8 @@ static ssize_t in_write_index_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
        return sprintf(buf, "%d\n", inbound.current_write_index);
 }
@@ -424,6 +440,8 @@ static ssize_t in_read_bytes_avail_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
        return sprintf(buf, "%d\n", inbound.bytes_avail_toread);
 }
@@ -438,6 +456,8 @@ static ssize_t in_write_bytes_avail_show(struct device *dev,
 
        if (!hv_dev->channel)
                return -ENODEV;
+       if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+               return -EINVAL;
        hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
        return sprintf(buf, "%d\n", inbound.bytes_avail_towrite);
 }
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 70ca27e45602..9d9e47eb0842 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -1418,7 +1418,8 @@ nr_pages_store(struct device *dev, struct 
device_attribute *attr,
                if (!end)
                        break;
 
-               len -= end - p;
+               /* consume the number and the following comma, hence +1 */
+               len -= end - p + 1;
                p = end + 1;
        } while (len);
 
diff --git a/drivers/input/keyboard/omap4-keypad.c 
b/drivers/input/keyboard/omap4-keypad.c
index f78c464899db..3d2c60c8de83 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -126,12 +126,8 @@ static irqreturn_t omap4_keypad_irq_handler(int irq, void 
*dev_id)
 {
        struct omap4_keypad *keypad_data = dev_id;
 
-       if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) {
-               /* Disable interrupts */
-               kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
-                                OMAP4_VAL_IRQDISABLE);
+       if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS))
                return IRQ_WAKE_THREAD;
-       }
 
        return IRQ_NONE;
 }
@@ -173,11 +169,6 @@ static irqreturn_t omap4_keypad_irq_thread_fn(int irq, 
void *dev_id)
        kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
                         kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS));
 
-       /* enable interrupts */
-       kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
-               OMAP4_DEF_IRQENABLE_EVENTEN |
-                               OMAP4_DEF_IRQENABLE_LONGKEY);
-
        return IRQ_HANDLED;
 }
 
@@ -214,9 +205,10 @@ static void omap4_keypad_close(struct input_dev *input)
 
        disable_irq(keypad_data->irq);
 
-       /* Disable interrupts */
+       /* Disable interrupts and wake-up events */
        kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
                         OMAP4_VAL_IRQDISABLE);
+       kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE, 0);
 
        /* clear pending interrupts */
        kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS,
@@ -364,7 +356,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
        }
 
        error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler,
-                                    omap4_keypad_irq_thread_fn, 0,
+                                    omap4_keypad_irq_thread_fn, IRQF_ONESHOT,
                                     "omap4-keypad", keypad_data);
        if (error) {
                dev_err(&pdev->dev, "failed to register interrupt\n");
diff --git a/drivers/input/mouse/elan_i2c_core.c 
b/drivers/input/mouse/elan_i2c_core.c
index 471984ec2db0..30adc5745cba 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1240,6 +1240,7 @@ MODULE_DEVICE_TABLE(i2c, elan_id);
 static const struct acpi_device_id elan_acpi_id[] = {
        { "ELAN0000", 0 },
        { "ELAN0100", 0 },
+       { "ELAN0501", 0 },
        { "ELAN0600", 0 },
        { "ELAN0602", 0 },
        { "ELAN0605", 0 },
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 7feaa82f8c7c..8b4a4d95669a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2041,7 +2041,7 @@ static int domain_context_mapping_one(struct dmar_domain 
*domain,
         * than default.  Unnecessary for PT mode.
         */
        if (translation != CONTEXT_TT_PASS_THROUGH) {
-               for (agaw = domain->agaw; agaw != iommu->agaw; agaw--) {
+               for (agaw = domain->agaw; agaw > iommu->agaw; agaw--) {
                        ret = -ENOMEM;
                        pgd = phys_to_virt(dma_pte_addr(pgd));
                        if (!dma_pte_present(pgd))
@@ -2055,7 +2055,7 @@ static int domain_context_mapping_one(struct dmar_domain 
*domain,
                        translation = CONTEXT_TT_MULTI_LEVEL;
 
                context_set_address_root(context, virt_to_phys(pgd));
-               context_set_address_width(context, iommu->agaw);
+               context_set_address_width(context, agaw);
        } else {
                /*
                 * In pass through mode, AW must be programmed to
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index dd7e38ac29bd..d15347de415a 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -851,7 +851,7 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf)
        u16 ret;
 
        if (contr == 0) {
-               strlcpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN);
+               strncpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN);
                return CAPI_NOERROR;
        }
 
@@ -859,7 +859,7 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf)
 
        ctr = get_capi_ctr_by_nr(contr);
        if (ctr && ctr->state == CAPI_CTR_RUNNING) {
-               strlcpy(buf, ctr->manu, CAPI_MANUFACTURER_LEN);
+               strncpy(buf, ctr->manu, CAPI_MANUFACTURER_LEN);
                ret = CAPI_NOERROR;
        } else
                ret = CAPI_REGNOTINSTALLED;
diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c 
b/drivers/media/platform/vivid/vivid-vid-cap.c
index ef5412311b2f..a84954f1be34 100644
--- a/drivers/media/platform/vivid/vivid-vid-cap.c
+++ b/drivers/media/platform/vivid/vivid-vid-cap.c
@@ -461,6 +461,8 @@ void vivid_update_format_cap(struct vivid_dev *dev, bool 
keep_controls)
                tpg_s_rgb_range(&dev->tpg, 
v4l2_ctrl_g_ctrl(dev->rgb_range_cap));
                break;
        }
+       vfree(dev->bitmap_cap);
+       dev->bitmap_cap = NULL;
        vivid_update_quality(dev);
        tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, 
dev->field_cap);
        dev->crop_cap = dev->src_rect;
diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c
index 524660510599..0c15ba21fa54 100644
--- a/drivers/misc/genwqe/card_utils.c
+++ b/drivers/misc/genwqe/card_utils.c
@@ -217,7 +217,7 @@ u32 genwqe_crc32(u8 *buff, size_t len, u32 init)
 void *__genwqe_alloc_consistent(struct genwqe_dev *cd, size_t size,
                               dma_addr_t *dma_handle)
 {
-       if (get_order(size) > MAX_ORDER)
+       if (get_order(size) >= MAX_ORDER)
                return NULL;
 
        return dma_alloc_coherent(&cd->pci_dev->dev, size, dma_handle,
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 79a0c26e1419..a31789be0840 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1608,9 +1608,11 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                if (err) {
                        pr_warn("%s: Enabling HPI failed\n",
                                mmc_hostname(card->host));
+                       card->ext_csd.hpi_en = 0;
                        err = 0;
-               } else
+               } else {
                        card->ext_csd.hpi_en = 1;
+               }
        }
 
        /*
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 6b814d7d6560..af937d3e8c3e 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2117,7 +2117,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
        mmc->max_blk_size = 512;       /* Block Length at max can be 1024 */
        mmc->max_blk_count = 0xFFFF;    /* No. of Blocks is 16 bits */
        mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
-       mmc->max_seg_size = mmc->max_req_size;
 
        mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
                     MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE;
@@ -2174,6 +2173,17 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
                goto err_irq;
        }
 
+       /*
+        * Limit the maximum segment size to the lower of the request size
+        * and the DMA engine device segment size limits.  In reality, with
+        * 32-bit transfers, the DMA engine can do longer segments than this
+        * but there is no way to represent that in the DMA model - if we
+        * increase this figure here, we get warnings from the DMA API debug.
+        */
+       mmc->max_seg_size = min3(mmc->max_req_size,
+                       dma_get_max_seg_size(host->rx_chan->device->dev),
+                       dma_get_max_seg_size(host->tx_chan->device->dev));
+
        /* Request IRQ for MMC operations */
        ret = devm_request_irq(&pdev->dev, host->irq, omap_hsmmc_irq, 0,
                        mmc_hostname(mmc), host);
diff --git a/drivers/net/ethernet/ibm/ibmveth.c 
b/drivers/net/ethernet/ibm/ibmveth.c
index 2f9b12cf9ee5..61a9ab4fe047 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1163,11 +1163,15 @@ out:
 
 map_failed_frags:
        last = i+1;
-       for (i = 0; i < last; i++)
+       for (i = 1; i < last; i++)
                dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address,
                               descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK,
                               DMA_TO_DEVICE);
 
+       dma_unmap_single(&adapter->vdev->dev,
+                        descs[0].fields.address,
+                        descs[0].fields.flags_len & IBMVETH_BUF_LEN_MASK,
+                        DMA_TO_DEVICE);
 map_failed:
        if (!firmware_has_feature(FW_FEATURE_CMO))
                netdev_err(netdev, "tx: unable to map xmit buffer\n");
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 111d907e0c11..79cede19e0c4 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2825,6 +2825,12 @@ static int hso_get_config_data(struct usb_interface 
*interface)
                return -EIO;
        }
 
+       /* check if we have a valid interface */
+       if (if_num > 16) {
+               kfree(config_data);
+               return -EINVAL;
+       }
+
        switch (config_data[if_num]) {
        case 0x0:
                result = 0;
@@ -2895,10 +2901,18 @@ static int hso_probe(struct usb_interface *interface,
 
        /* Get the interface/port specification from either driver_info or from
         * the device itself */
-       if (id->driver_info)
+       if (id->driver_info) {
+               /* if_num is controlled by the device, driver_info is a 0 
terminated
+                * array. Make sure, the access is in bounds! */
+               for (i = 0; i <= if_num; ++i)
+                       if (((u32 *)(id->driver_info))[i] == 0)
+                               goto exit;
                port_spec = ((u32 *)(id->driver_info))[if_num];
-       else
+       } else {
                port_spec = hso_get_config_data(interface);
+               if (port_spec < 0)
+                       goto exit;
+       }
 
        /* Check if we need to switch to alt interfaces prior to port
         * configuration */
diff --git a/drivers/net/wireless/b43/phy_common.c 
b/drivers/net/wireless/b43/phy_common.c
index ec2b9c577b90..3644c9edaf81 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -616,7 +616,7 @@ struct b43_c32 b43_cordic(int theta)
        u8 i;
        s32 tmp;
        s8 signx = 1;
-       u32 angle = 0;
+       s32 angle = 0;
        struct b43_c32 ret = { .i = 39797, .q = 0, };
 
        while (theta > (180 << 16))
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 0a4bd73caae5..6f55ab4f7959 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -889,7 +889,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue 
*queue,
                if (skb_shinfo(skb)->nr_frags == MAX_SKB_FRAGS) {
                        unsigned int pull_to = NETFRONT_SKB_CB(skb)->pull_to;
 
-                       BUG_ON(pull_to <= skb_headlen(skb));
+                       BUG_ON(pull_to < skb_headlen(skb));
                        __pskb_pull_tail(skb, pull_to - skb_headlen(skb));
                }
                if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c
index 9e29b1321648..15783869e1a0 100644
--- a/drivers/power/olpc_battery.c
+++ b/drivers/power/olpc_battery.c
@@ -427,14 +427,14 @@ static int olpc_bat_get_property(struct power_supply *psy,
                if (ret)
                        return ret;
 
-               val->intval = (s16)be16_to_cpu(ec_word) * 100 / 256;
+               val->intval = (s16)be16_to_cpu(ec_word) * 10 / 256;
                break;
        case POWER_SUPPLY_PROP_TEMP_AMBIENT:
                ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2);
                if (ret)
                        return ret;
 
-               val->intval = (int)be16_to_cpu(ec_word) * 100 / 256;
+               val->intval = (int)be16_to_cpu(ec_word) * 10 / 256;
                break;
        case POWER_SUPPLY_PROP_CHARGE_COUNTER:
                ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2);
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 38c8e308d4c8..a96c98e3fc73 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -275,16 +275,16 @@ static void zfcp_free_low_mem_buffers(struct zfcp_adapter 
*adapter)
  */
 int zfcp_status_read_refill(struct zfcp_adapter *adapter)
 {
-       while (atomic_read(&adapter->stat_miss) > 0)
+       while (atomic_add_unless(&adapter->stat_miss, -1, 0))
                if (zfcp_fsf_status_read(adapter->qdio)) {
+                       atomic_inc(&adapter->stat_miss); /* undo add -1 */
                        if (atomic_read(&adapter->stat_miss) >=
                            adapter->stat_read_buf_num) {
                                zfcp_erp_adapter_reopen(adapter, 0, "axsref1");
                                return 1;
                        }
                        break;
-               } else
-                       atomic_dec(&adapter->stat_miss);
+               }
        return 0;
 }
 
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c 
b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index d0b227ffbd5f..573aeec7a02b 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2279,7 +2279,7 @@ static int _bnx2fc_create(struct net_device *netdev,
        if (!interface) {
                printk(KERN_ERR PFX "bnx2fc_interface_create failed\n");
                rc = -ENOMEM;
-               goto ifput_err;
+               goto netdev_err;
        }
 
        if (netdev->priv_flags & IFF_802_1Q_VLAN) {
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index cf04960cc3e6..1a1368f5863c 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -88,7 +88,7 @@ struct bcm2835_spi {
        u8 *rx_buf;
        int tx_len;
        int rx_len;
-       bool dma_pending;
+       unsigned int dma_pending;
 };
 
 static inline u32 bcm2835_rd(struct bcm2835_spi *bs, unsigned reg)
@@ -155,8 +155,7 @@ static irqreturn_t bcm2835_spi_interrupt(int irq, void 
*dev_id)
        /* Write as many bytes as possible to FIFO */
        bcm2835_wr_fifo(bs);
 
-       /* based on flags decide if we can finish the transfer */
-       if (bcm2835_rd(bs, BCM2835_SPI_CS) & BCM2835_SPI_CS_DONE) {
+       if (!bs->rx_len) {
                /* Transfer complete - reset SPI HW */
                bcm2835_spi_reset_hw(master);
                /* wake up the framework */
@@ -233,10 +232,9 @@ static void bcm2835_spi_dma_done(void *data)
         * is called the tx-dma must have finished - can't get to this
         * situation otherwise...
         */
-       dmaengine_terminate_all(master->dma_tx);
-
-       /* mark as no longer pending */
-       bs->dma_pending = 0;
+       if (cmpxchg(&bs->dma_pending, true, false)) {
+               dmaengine_terminate_all(master->dma_tx);
+       }
 
        /* and mark as completed */;
        complete(&master->xfer_completion);
@@ -342,6 +340,7 @@ static int bcm2835_spi_transfer_one_dma(struct spi_master 
*master,
        if (ret) {
                /* need to reset on errors */
                dmaengine_terminate_all(master->dma_tx);
+               bs->dma_pending = false;
                bcm2835_spi_reset_hw(master);
                return ret;
        }
@@ -617,10 +616,9 @@ static void bcm2835_spi_handle_err(struct spi_master 
*master,
        struct bcm2835_spi *bs = spi_master_get_devdata(master);
 
        /* if an error occurred and we have an active dma, then terminate */
-       if (bs->dma_pending) {
+       if (cmpxchg(&bs->dma_pending, true, false)) {
                dmaengine_terminate_all(master->dma_tx);
                dmaengine_terminate_all(master->dma_rx);
-               bs->dma_pending = 0;
        }
        /* and reset */
        bcm2835_spi_reset_hw(master);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0a8e5ac891d4..3919ea066bf9 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -507,6 +507,13 @@ static int acm_tty_install(struct tty_driver *driver, 
struct tty_struct *tty)
        if (retval)
                goto error_init_termios;
 
+       /*
+        * Suppress initial echoing for some devices which might send data
+        * immediately after acm driver has been installed.
+        */
+       if (acm->quirks & DISABLE_ECHO)
+               tty->termios.c_lflag &= ~ECHO;
+
        tty->driver_data = acm;
 
        return 0;
@@ -1677,6 +1684,9 @@ static const struct usb_device_id acm_ids[] = {
        { USB_DEVICE(0x0e8d, 0x0003), /* FIREFLY, MediaTek Inc; 
[email protected] */
        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
        },
+       { USB_DEVICE(0x0e8d, 0x2000), /* MediaTek Inc Preloader */
+       .driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */
+       },
        { USB_DEVICE(0x0e8d, 0x3329), /* MediaTek Inc GPS */
        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
        },
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index b30ac5fcde68..1ad9ff9f493d 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -134,3 +134,4 @@ struct acm {
 #define QUIRK_CONTROL_LINE_STATE       BIT(6)
 #define CLEAR_HALT_CONDITIONS          BIT(7)
 #define SEND_ZERO_PACKET               BIT(8)
+#define DISABLE_ECHO                   BIT(9)
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index a11c2c8bda53..a217f71b45c6 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -1990,6 +1990,8 @@ static int r8a66597_urb_dequeue(struct usb_hcd *hcd, 
struct urb *urb,
 
 static void r8a66597_endpoint_disable(struct usb_hcd *hcd,
                                      struct usb_host_endpoint *hep)
+__acquires(r8a66597->lock)
+__releases(r8a66597->lock)
 {
        struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd);
        struct r8a66597_pipe *pipe = (struct r8a66597_pipe *)hep->hcpriv;
@@ -2002,13 +2004,14 @@ static void r8a66597_endpoint_disable(struct usb_hcd 
*hcd,
                return;
        pipenum = pipe->info.pipenum;
 
+       spin_lock_irqsave(&r8a66597->lock, flags);
        if (pipenum == 0) {
                kfree(hep->hcpriv);
                hep->hcpriv = NULL;
+               spin_unlock_irqrestore(&r8a66597->lock, flags);
                return;
        }
 
-       spin_lock_irqsave(&r8a66597->lock, flags);
        pipe_stop(r8a66597, pipe);
        pipe_irq_disable(r8a66597, pipenum);
        disable_irq_empty(r8a66597, pipenum);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 5d21cd8359d4..421825b44202 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1329,7 +1329,8 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
                portsc_buf[port_index] = 0;
 
                /* Bail out if a USB3 port has a new device in link training */
-               if ((t1 & PORT_PLS_MASK) == XDEV_POLLING) {
+               if ((hcd->speed >= HCD_USB3) &&
+                   (t1 & PORT_PLS_MASK) == XDEV_POLLING) {
                        bus_state->bus_suspended = 0;
                        spin_unlock_irqrestore(&xhci->lock, flags);
                        xhci_dbg(xhci, "Bus suspend bailout, port in 
polling\n");
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 2b81939fecd7..7bc2c9fef605 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1163,6 +1163,10 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 
TELIT_PRODUCT_LE920A4_1213, 0xff) },
        { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214),
          .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) },
+       { USB_DEVICE(TELIT_VENDOR_ID, 0x1900),                          /* 
Telit LN940 (QMI) */
+         .driver_info = NCTRL(0) | RSVD(1) },
+       { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff),    /* 
Telit LN940 (MBIM) */
+         .driver_info = NCTRL(0) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 
0xff, 0xff) }, /* ZTE WCDMA products */
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 
0xff),
          .driver_info = RSVD(1) },
@@ -1327,6 +1331,7 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = RSVD(4) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 
0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 
0xff) },
+       { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0602, 0xff) },    /* 
GosunCn ZTE WeLink ME3630 (MBIM mode) */
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 
0xff),
          .driver_info = RSVD(4) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 
0xff),
@@ -1530,6 +1535,7 @@ static const struct usb_device_id option_ids[] = {
          .driver_info = RSVD(2) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 
0xff),  /* Telewell TW-LTE 4G v2 */
          .driver_info = RSVD(2) },
+       { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) },    /* 
GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 
0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 
0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 
0xff) },
@@ -1757,6 +1763,7 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 
0xff, 0xff, 0xff) },
        { USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E),
          .driver_info = RSVD(5) | RSVD(6) },
+       { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) },   /* Simcom 
SIM7500/SIM7600 MBIM mode */
        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
          .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) },
        { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D),
@@ -1941,7 +1948,18 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, 
WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, 
WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) },
        { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, 
WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) },
-       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* 
HP lt2523 (Novatel E371) */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) },    
/* HP lt2523 (Novatel E371) */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x10) },    
/* HP lt4132 (Huawei ME906s-158) */
+       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x12) },
+       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x13) },
+       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x14) },
+       { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x1b) },
+       { USB_DEVICE(0x1508, 0x1001),                                           
/* Fibocom NL668 */
+         .driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
+       { USB_DEVICE(0x2cb7, 0x0104),                                           
/* Fibocom NL678 series */
+         .driver_info = RSVD(4) | RSVD(5) },
+       { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff),                     
/* Fibocom NL678 series */
+         .driver_info = RSVD(6) },
        { } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 3da25ad267a2..4966768d3c98 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -86,9 +86,14 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) },
        { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LCM960_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_LM920_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_LM940_PRODUCT_ID) },
+       { USB_DEVICE(HP_VENDOR_ID, HP_TD620_PRODUCT_ID) },
        { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
        { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) },
        { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 123289085ee2..a84f0959ab34 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -123,10 +123,15 @@
 
 /* Hewlett-Packard POS Pole Displays */
 #define HP_VENDOR_ID           0x03f0
+#define HP_LM920_PRODUCT_ID    0x026b
+#define HP_TD620_PRODUCT_ID    0x0956
 #define HP_LD960_PRODUCT_ID    0x0b39
 #define HP_LCM220_PRODUCT_ID   0x3139
 #define HP_LCM960_PRODUCT_ID   0x3239
 #define HP_LD220_PRODUCT_ID    0x3524
+#define HP_LD220TA_PRODUCT_ID  0x4349
+#define HP_LD960TA_PRODUCT_ID  0x4439
+#define HP_LM940_PRODUCT_ID    0x5039
 
 /* Cressi Edy (diving computer) PC interface */
 #define CRESSI_VENDOR_ID       0x04b8
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c54d388310f0..2ed0a356d1d3 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1550,6 +1550,8 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct 
vring_used_elem *heads,
                return -EFAULT;
        }
        if (unlikely(vq->log_used)) {
+               /* Make sure used idx is seen before log. */
+               smp_wmb();
                /* Log used index update. */
                log_write(vq->log_base,
                          vq->log_addr + offsetof(struct vring_used, idx),
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 0e3de1bb6500..e7b54514d99a 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3243,7 +3243,6 @@ retry:
                        tcap->cap_id = t_cap_id;
                        tcap->seq = t_seq - 1;
                        tcap->issue_seq = t_seq - 1;
-                       tcap->mseq = t_mseq;
                        tcap->issued |= issued;
                        tcap->implemented |= issued;
                        if (cap == ci->i_auth_cap)
diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index 8257a5a97cc0..98c25b969ab8 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -377,8 +377,8 @@ static const struct status_to_posix_error 
smb2_error_map_table[] = {
        {STATUS_NONEXISTENT_EA_ENTRY, -EIO, "STATUS_NONEXISTENT_EA_ENTRY"},
        {STATUS_NO_EAS_ON_FILE, -ENODATA, "STATUS_NO_EAS_ON_FILE"},
        {STATUS_EA_CORRUPT_ERROR, -EIO, "STATUS_EA_CORRUPT_ERROR"},
-       {STATUS_FILE_LOCK_CONFLICT, -EIO, "STATUS_FILE_LOCK_CONFLICT"},
-       {STATUS_LOCK_NOT_GRANTED, -EIO, "STATUS_LOCK_NOT_GRANTED"},
+       {STATUS_FILE_LOCK_CONFLICT, -EACCES, "STATUS_FILE_LOCK_CONFLICT"},
+       {STATUS_LOCK_NOT_GRANTED, -EACCES, "STATUS_LOCK_NOT_GRANTED"},
        {STATUS_DELETE_PENDING, -ENOENT, "STATUS_DELETE_PENDING"},
        {STATUS_CTL_FILE_NOT_SUPPORTED, -ENOSYS,
        "STATUS_CTL_FILE_NOT_SUPPORTED"},
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 35502d4046f5..3a7f401e943c 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -1210,6 +1210,7 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb 
**lkb_ret)
 
        if (rv < 0) {
                log_error(ls, "create_lkb idr error %d", rv);
+               dlm_free_lkb(lkb);
                return rv;
        }
 
@@ -4177,6 +4178,7 @@ static int receive_convert(struct dlm_ls *ls, struct 
dlm_message *ms)
                          (unsigned long long)lkb->lkb_recover_seq,
                          ms->m_header.h_nodeid, ms->m_lkid);
                error = -ENOENT;
+               dlm_put_lkb(lkb);
                goto fail;
        }
 
@@ -4230,6 +4232,7 @@ static int receive_unlock(struct dlm_ls *ls, struct 
dlm_message *ms)
                          lkb->lkb_id, lkb->lkb_remid,
                          ms->m_header.h_nodeid, ms->m_lkid);
                error = -ENOENT;
+               dlm_put_lkb(lkb);
                goto fail;
        }
 
@@ -5792,20 +5795,20 @@ int dlm_user_request(struct dlm_ls *ls, struct 
dlm_user_args *ua,
                        goto out;
                }
        }
-
-       /* After ua is attached to lkb it will be freed by dlm_free_lkb().
-          When DLM_IFL_USER is set, the dlm knows that this is a userspace
-          lock and that lkb_astparam is the dlm_user_args structure. */
-
        error = set_lock_args(mode, &ua->lksb, flags, namelen, timeout_cs,
                              fake_astfn, ua, fake_bastfn, &args);
-       lkb->lkb_flags |= DLM_IFL_USER;
-
        if (error) {
+               kfree(ua->lksb.sb_lvbptr);
+               ua->lksb.sb_lvbptr = NULL;
+               kfree(ua);
                __put_lkb(ls, lkb);
                goto out;
        }
 
+       /* After ua is attached to lkb it will be freed by dlm_free_lkb().
+          When DLM_IFL_USER is set, the dlm knows that this is a userspace
+          lock and that lkb_astparam is the dlm_user_args structure. */
+       lkb->lkb_flags |= DLM_IFL_USER;
        error = request_lock(ls, lkb, name, namelen, &args);
 
        switch (error) {
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index f3e72787e7f9..30e4e01db35a 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -673,11 +673,11 @@ static int new_lockspace(const char *name, const char 
*cluster,
        kfree(ls->ls_recover_buf);
  out_lkbidr:
        idr_destroy(&ls->ls_lkbidr);
+ out_rsbtbl:
        for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) {
                if (ls->ls_remove_names[i])
                        kfree(ls->ls_remove_names[i]);
        }
- out_rsbtbl:
        vfree(ls->ls_rsbtbl);
  out_lsfree:
        if (do_unreg)
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 1aec46733ef8..46d4fac48cf4 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -701,8 +701,11 @@ int ext4_try_to_write_inline_data(struct address_space 
*mapping,
 
        if (!PageUptodate(page)) {
                ret = ext4_read_inline_page(inode, page);
-               if (ret < 0)
+               if (ret < 0) {
+                       unlock_page(page);
+                       put_page(page);
                        goto out_up_read;
+               }
        }
 
        ret = 1;
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index bad13f049fb0..2fc1564f62dd 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1600,7 +1600,7 @@ int ext4_group_add(struct super_block *sb, struct 
ext4_new_group_data *input)
        }
 
        if (reserved_gdb || gdb_off == 0) {
-               if (ext4_has_feature_resize_inode(sb) ||
+               if (!ext4_has_feature_resize_inode(sb) ||
                    !le16_to_cpu(es->s_reserved_gdt_blocks)) {
                        ext4_warning(sb,
                                     "No reserved GDT blocks, can't resize");
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index cd9cd581fd92..6a7df72cb3da 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1049,6 +1049,16 @@ static struct dentry *ext4_fh_to_parent(struct 
super_block *sb, struct fid *fid,
                                    ext4_nfs_get_inode);
 }
 
+static int ext4_nfs_commit_metadata(struct inode *inode)
+{
+       struct writeback_control wbc = {
+               .sync_mode = WB_SYNC_ALL
+       };
+
+       trace_ext4_nfs_commit_metadata(inode);
+       return ext4_write_inode(inode, &wbc);
+}
+
 /*
  * Try to release metadata pages (indirect blocks, directories) which are
  * mapped via the block device.  Since these pages could have journal heads
@@ -1143,6 +1153,7 @@ static const struct export_operations ext4_export_ops = {
        .fh_to_dentry = ext4_fh_to_dentry,
        .fh_to_parent = ext4_fh_to_parent,
        .get_parent = ext4_get_parent,
+       .commit_metadata = ext4_nfs_commit_metadata,
 };
 
 enum {
@@ -5184,9 +5195,9 @@ static int ext4_quota_enable(struct super_block *sb, int 
type, int format_id,
        qf_inode->i_flags |= S_NOQUOTA;
        lockdep_set_quota_inode(qf_inode, I_DATA_SEM_QUOTA);
        err = dquot_enable(qf_inode, type, format_id, flags);
-       iput(qf_inode);
        if (err)
                lockdep_set_quota_inode(qf_inode, I_DATA_SEM_NORMAL);
+       iput(qf_inode);
 
        return err;
 }
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index ef24894edecc..763fe7737065 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1720,9 +1720,9 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, 
u32 *minext,
                        goto next_iter;
                }
                if (ret == -E2BIG) {
+                       n += rbm->bii - initial_bii;
                        rbm->bii = 0;
                        rbm->offset = 0;
-                       n += (rbm->bii - initial_bii);
                        goto res_covered_end_of_rgrp;
                }
                return ret;
diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h
index cf6c74550baa..86316f90ea1e 100644
--- a/include/net/gro_cells.h
+++ b/include/net/gro_cells.h
@@ -84,6 +84,7 @@ static inline void gro_cells_destroy(struct gro_cells *gcells)
        for_each_possible_cpu(i) {
                struct gro_cell *cell = per_cpu_ptr(gcells->cells, i);
 
+               napi_disable(&cell->napi);
                netif_napi_del(&cell->napi);
                __skb_queue_purge(&cell->napi_skbs);
        }
diff --git a/include/net/sock.h b/include/net/sock.h
index 577075713ad5..7420299c31f5 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -299,6 +299,7 @@ struct cg_proto;
   *    @sk_filter: socket filtering instructions
   *    @sk_timer: sock cleanup timer
   *    @sk_stamp: time stamp of last packet received
+  *    @sk_stamp_seq: lock for accessing sk_stamp on 32 bit architectures only
   *    @sk_tsflags: SO_TIMESTAMPING socket options
   *    @sk_tskey: counter to disambiguate concurrent tstamp requests
   *    @sk_socket: Identd and reporting IO signals
@@ -434,6 +435,9 @@ struct sock {
        long                    sk_sndtimeo;
        struct timer_list       sk_timer;
        ktime_t                 sk_stamp;
+#if BITS_PER_LONG==32
+       seqlock_t               sk_stamp_seq;
+#endif
        u16                     sk_tsflags;
        u32                     sk_tskey;
        struct socket           *sk_socket;
@@ -2146,6 +2150,34 @@ static inline void sk_drops_add(struct sock *sk, const 
struct sk_buff *skb)
        atomic_add(segs, &sk->sk_drops);
 }
 
+static inline ktime_t sock_read_timestamp(struct sock *sk)
+{
+#if BITS_PER_LONG==32
+       unsigned int seq;
+       ktime_t kt;
+
+       do {
+               seq = read_seqbegin(&sk->sk_stamp_seq);
+               kt = sk->sk_stamp;
+       } while (read_seqretry(&sk->sk_stamp_seq, seq));
+
+       return kt;
+#else
+       return sk->sk_stamp;
+#endif
+}
+
+static inline void sock_write_timestamp(struct sock *sk, ktime_t kt)
+{
+#if BITS_PER_LONG==32
+       write_seqlock(&sk->sk_stamp_seq);
+       sk->sk_stamp = kt;
+       write_sequnlock(&sk->sk_stamp_seq);
+#else
+       sk->sk_stamp = kt;
+#endif
+}
+
 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
                           struct sk_buff *skb);
 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
@@ -2170,7 +2202,7 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, 
struct sk_buff *skb)
             (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)))
                __sock_recv_timestamp(msg, sk, skb);
        else
-               sk->sk_stamp = kt;
+               sock_write_timestamp(sk, kt);
 
        if (sock_flag(sk, SOCK_WIFI_STATUS) && skb->wifi_acked_valid)
                __sock_recv_wifi_status(msg, sk, skb);
@@ -2190,7 +2222,7 @@ static inline void sock_recv_ts_and_drops(struct msghdr 
*msg, struct sock *sk,
        if (sk->sk_flags & FLAGS_TS_OR_DROPS || sk->sk_tsflags & TSFLAGS_ANY)
                __sock_recv_ts_and_drops(msg, sk, skb);
        else
-               sk->sk_stamp = skb->tstamp;
+               sock_write_timestamp(sk, skb->tstamp);
 }
 
 void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 594b4b29a224..7ef11b97cb2a 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -223,6 +223,26 @@ TRACE_EVENT(ext4_drop_inode,
                  (unsigned long) __entry->ino, __entry->drop)
 );
 
+TRACE_EVENT(ext4_nfs_commit_metadata,
+       TP_PROTO(struct inode *inode),
+
+       TP_ARGS(inode),
+
+       TP_STRUCT__entry(
+               __field(        dev_t,  dev                     )
+               __field(        ino_t,  ino                     )
+       ),
+
+       TP_fast_assign(
+               __entry->dev    = inode->i_sb->s_dev;
+               __entry->ino    = inode->i_ino;
+       ),
+
+       TP_printk("dev %d,%d ino %lu",
+                 MAJOR(__entry->dev), MINOR(__entry->dev),
+                 (unsigned long) __entry->ino)
+);
+
 TRACE_EVENT(ext4_mark_inode_dirty,
        TP_PROTO(struct inode *inode, unsigned long IP),
 
diff --git a/include/uapi/linux/input-event-codes.h 
b/include/uapi/linux/input-event-codes.h
index 87cf351bab03..9e07bf4259e1 100644
--- a/include/uapi/linux/input-event-codes.h
+++ b/include/uapi/linux/input-event-codes.h
@@ -708,6 +708,15 @@
 
 #define ABS_MISC               0x28
 
+/*
+ * 0x2e is reserved and should not be used in input drivers.
+ * It was used by HID as ABS_MISC+6 and userspace needs to detect if
+ * the next ABS_* event is correct or is just ABS_MISC + n.
+ * We define here ABS_RESERVED so userspace can rely on it and detect
+ * the situation described above.
+ */
+#define ABS_RESERVED           0x2e
+
 #define ABS_MT_SLOT            0x2f    /* MT slot being modified */
 #define ABS_MT_TOUCH_MAJOR     0x30    /* Major axis of touching ellipse */
 #define ABS_MT_TOUCH_MINOR     0x31    /* Minor axis (omit if circular) */
diff --git a/kernel/fork.c b/kernel/fork.c
index dd2f79ac0771..e4b81913a998 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1411,8 +1411,6 @@ static struct task_struct *copy_process(unsigned long 
clone_flags,
 
        posix_cpu_timers_init(p);
 
-       p->start_time = ktime_get_ns();
-       p->real_start_time = ktime_get_boot_ns();
        p->io_context = NULL;
        p->audit_context = NULL;
        cgroup_fork(p);
@@ -1572,6 +1570,17 @@ static struct task_struct *copy_process(unsigned long 
clone_flags,
        if (retval)
                goto bad_fork_free_pid;
 
+       /*
+        * From this point on we must avoid any synchronous user-space
+        * communication until we take the tasklist-lock. In particular, we do
+        * not want user-space to be able to predict the process start-time by
+        * stalling fork(2) after we recorded the start_time but before it is
+        * visible to the system.
+        */
+
+       p->start_time = ktime_get_ns();
+       p->real_start_time = ktime_get_boot_ns();
+
        /*
         * Make it visible to the rest of the system, but dont wake it up yet.
         * Need tasklist lock for parent etc handling!
diff --git a/kernel/memremap.c b/kernel/memremap.c
index f719c925cb54..1be42f9b3e00 100644
--- a/kernel/memremap.c
+++ b/kernel/memremap.c
@@ -171,15 +171,12 @@ void *devm_memremap_pages(struct device *dev, struct 
resource *res)
        struct page_map *page_map;
        int error, nid;
 
-       if (is_ram == REGION_MIXED) {
-               WARN_ONCE(1, "%s attempted on mixed region %pr\n",
-                               __func__, res);
+       if (is_ram != REGION_DISJOINT) {
+               WARN_ONCE(1, "%s attempted on %s region %pr\n", __func__,
+                               is_ram == REGION_MIXED ? "mixed" : "ram", res);
                return ERR_PTR(-ENXIO);
        }
 
-       if (is_ram == REGION_INTERSECTS)
-               return __va(res->start);
-
        page_map = devres_alloc_node(devm_memremap_pages_release,
                        sizeof(*page_map), GFP_KERNEL, dev_to_node(dev));
        if (!page_map)
@@ -202,5 +199,5 @@ void *devm_memremap_pages(struct device *dev, struct 
resource *res)
        devres_add(dev, page_map);
        return __va(res->start);
 }
-EXPORT_SYMBOL(devm_memremap_pages);
+EXPORT_SYMBOL_GPL(devm_memremap_pages);
 #endif /* CONFIG_ZONE_DEVICE */
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index a18923e4359d..0addef5f8aa3 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -32,6 +32,7 @@
 #include <linux/hugetlb.h>
 #include <linux/memblock.h>
 #include <linux/bootmem.h>
+#include <linux/rmap.h>
 
 #include <asm/tlbflush.h>
 
@@ -1471,6 +1472,21 @@ do_migrate_range(unsigned long start_pfn, unsigned long 
end_pfn)
                        continue;
                }
 
+               /*
+                * HWPoison pages have elevated reference counts so the 
migration would
+                * fail on them. It also doesn't make any sense to migrate them 
in the
+                * first place. Still try to unmap such a page in case it is 
still mapped
+                * (e.g. current hwpoison implementation doesn't unmap KSM 
pages but keep
+                * the unmap as the catch all safety net).
+                */
+               if (PageHWPoison(page)) {
+                       if (WARN_ON(PageLRU(page)))
+                               isolate_lru_page(page);
+                       if (page_mapped(page))
+                               try_to_unmap(page, TTU_IGNORE_MLOCK | 
TTU_IGNORE_ACCESS);
+                       continue;
+               }
+
                if (!get_page_unless_zero(page))
                        continue;
                /*
diff --git a/net/9p/client.c b/net/9p/client.c
index ed8738c4dc09..8fba9cd973c1 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -156,6 +156,12 @@ static int parse_opts(char *opts, struct p9_client *clnt)
                                ret = r;
                                continue;
                        }
+                       if (option < 4096) {
+                               p9_debug(P9_DEBUG_ERROR,
+                                        "msize should be at least 4k\n");
+                               ret = -EINVAL;
+                               continue;
+                       }
                        clnt->msize = option;
                        break;
                case Opt_trans:
@@ -972,10 +978,18 @@ static int p9_client_version(struct p9_client *c)
        else if (!strncmp(version, "9P2000", 6))
                c->proto_version = p9_proto_legacy;
        else {
+               p9_debug(P9_DEBUG_ERROR,
+                        "server returned an unknown version: %s\n", version);
                err = -EREMOTEIO;
                goto error;
        }
 
+       if (msize < 4096) {
+               p9_debug(P9_DEBUG_ERROR,
+                        "server returned a msize < 4096: %d\n", msize);
+               err = -EREMOTEIO;
+               goto error;
+       }
        if (msize < c->msize)
                c->msize = msize;
 
@@ -1040,6 +1054,13 @@ struct p9_client *p9_client_create(const char *dev_name, 
char *options)
        if (clnt->msize > clnt->trans_mod->maxsize)
                clnt->msize = clnt->trans_mod->maxsize;
 
+       if (clnt->msize < 4096) {
+               p9_debug(P9_DEBUG_ERROR,
+                        "Please specify a msize of at least 4k\n");
+               err = -EINVAL;
+               goto free_client;
+       }
+
        err = p9_client_version(clnt);
        if (err)
                goto close_trans;
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 2fdebabbfacd..2772f6a13fcb 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -654,15 +654,22 @@ static int ax25_setsockopt(struct socket *sock, int 
level, int optname,
                        break;
                }
 
-               dev = dev_get_by_name(&init_net, devname);
+               rtnl_lock();
+               dev = __dev_get_by_name(&init_net, devname);
                if (!dev) {
+                       rtnl_unlock();
                        res = -ENODEV;
                        break;
                }
 
                ax25->ax25_dev = ax25_dev_ax25dev(dev);
+               if (!ax25->ax25_dev) {
+                       rtnl_unlock();
+                       res = -ENODEV;
+                       break;
+               }
                ax25_fillin_cb(ax25, ax25->ax25_dev);
-               dev_put(dev);
+               rtnl_unlock();
                break;
 
        default:
diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c
index 3d106767b272..5faca5db6385 100644
--- a/net/ax25/ax25_dev.c
+++ b/net/ax25/ax25_dev.c
@@ -116,6 +116,7 @@ void ax25_dev_device_down(struct net_device *dev)
        if ((s = ax25_dev_list) == ax25_dev) {
                ax25_dev_list = s->next;
                spin_unlock_bh(&ax25_dev_lock);
+               dev->ax25_ptr = NULL;
                dev_put(dev);
                kfree(ax25_dev);
                return;
@@ -125,6 +126,7 @@ void ax25_dev_device_down(struct net_device *dev)
                if (s->next == ax25_dev) {
                        s->next = ax25_dev->next;
                        spin_unlock_bh(&ax25_dev_lock);
+                       dev->ax25_ptr = NULL;
                        dev_put(dev);
                        kfree(ax25_dev);
                        return;
diff --git a/net/compat.c b/net/compat.c
index 17e97b106458..d67684010455 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -443,12 +443,14 @@ int compat_sock_get_timestamp(struct sock *sk, struct 
timeval __user *userstamp)
        err = -ENOENT;
        if (!sock_flag(sk, SOCK_TIMESTAMP))
                sock_enable_timestamp(sk, SOCK_TIMESTAMP);
-       tv = ktime_to_timeval(sk->sk_stamp);
+       tv = ktime_to_timeval(sock_read_timestamp(sk));
+
        if (tv.tv_sec == -1)
                return err;
        if (tv.tv_sec == 0) {
-               sk->sk_stamp = ktime_get_real();
-               tv = ktime_to_timeval(sk->sk_stamp);
+               ktime_t kt = ktime_get_real();
+               sock_write_timestamp(sk, kt);
+               tv = ktime_to_timeval(kt);
        }
        err = 0;
        if (put_user(tv.tv_sec, &ctv->tv_sec) ||
@@ -471,12 +473,13 @@ int compat_sock_get_timestampns(struct sock *sk, struct 
timespec __user *usersta
        err = -ENOENT;
        if (!sock_flag(sk, SOCK_TIMESTAMP))
                sock_enable_timestamp(sk, SOCK_TIMESTAMP);
-       ts = ktime_to_timespec(sk->sk_stamp);
+       ts = ktime_to_timespec(sock_read_timestamp(sk));
        if (ts.tv_sec == -1)
                return err;
        if (ts.tv_sec == 0) {
-               sk->sk_stamp = ktime_get_real();
-               ts = ktime_to_timespec(sk->sk_stamp);
+               ktime_t kt = ktime_get_real();
+               sock_write_timestamp(sk, kt);
+               ts = ktime_to_timespec(kt);
        }
        err = 0;
        if (put_user(ts.tv_sec, &ctv->tv_sec) ||
diff --git a/net/core/sock.c b/net/core/sock.c
index 4238835a0e4e..9fb1c073d0c4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2423,6 +2423,9 @@ void sock_init_data(struct socket *sock, struct sock *sk)
        sk->sk_sndtimeo         =       MAX_SCHEDULE_TIMEOUT;
 
        sk->sk_stamp = ktime_set(-1L, 0);
+#if BITS_PER_LONG==32
+       seqlock_init(&sk->sk_stamp_seq);
+#endif
 
 #ifdef CONFIG_NET_RX_BUSY_POLL
        sk->sk_napi_id          =       0;
diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c
index a10db45b2e1e..df32134da924 100644
--- a/net/ieee802154/6lowpan/tx.c
+++ b/net/ieee802154/6lowpan/tx.c
@@ -55,6 +55,9 @@ int lowpan_header_create(struct sk_buff *skb, struct 
net_device *ldev,
        const u8 *daddr = _daddr;
        struct lowpan_addr_info *info;
 
+       if (!daddr)
+               return -EINVAL;
+
        /* TODO:
         * if this package isn't ipv6 one, where should it be routed?
         */
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8e77786549c6..1cb865fcc91b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -66,6 +66,7 @@
 #include <net/netlink.h>
 #include <net/fib_rules.h>
 #include <linux/netconf.h>
+#include <linux/nospec.h>
 
 #if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
 #define CONFIG_IP_PIMSM        1
@@ -1574,6 +1575,7 @@ int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, 
void __user *arg)
                        return -EFAULT;
                if (vr.vifi >= mrt->maxvif)
                        return -EINVAL;
+               vr.vifi = array_index_nospec(vr.vifi, mrt->maxvif);
                read_lock(&mrt_lock);
                vif = &mrt->vif_table[vr.vifi];
                if (VIF_EXISTS(mrt, vr.vifi)) {
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index 14dacf1df529..30b03d8e321a 100644
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -15,7 +15,7 @@
 int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg,
                     struct socket **sockp)
 {
-       struct sockaddr_in6 udp6_addr;
+       struct sockaddr_in6 udp6_addr = {};
        int err;
        struct socket *sock = NULL;
 
@@ -42,6 +42,7 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg 
*cfg,
                goto error;
 
        if (cfg->peer_udp_port) {
+               memset(&udp6_addr, 0, sizeof(udp6_addr));
                udp6_addr.sin6_family = AF_INET6;
                memcpy(&udp6_addr.sin6_addr, &cfg->peer_ip6,
                       sizeof(udp6_addr.sin6_addr));
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 9b92960f024d..74b3e9718e84 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -72,6 +72,8 @@ struct mr6_table {
 #endif
 };
 
+#include <linux/nospec.h>
+
 struct ip6mr_rule {
        struct fib_rule         common;
 };
@@ -1871,6 +1873,7 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user 
*arg)
                        return -EFAULT;
                if (vr.mifi >= mrt->maxvif)
                        return -EINVAL;
+               vr.mifi = array_index_nospec(vr.mifi, mrt->maxvif);
                read_lock(&mrt_lock);
                vif = &mrt->vif6_table[vr.mifi];
                if (MIF_EXISTS(mrt, vr.mifi)) {
@@ -1945,6 +1948,7 @@ int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, 
void __user *arg)
                        return -EFAULT;
                if (vr.mifi >= mrt->maxvif)
                        return -EINVAL;
+               vr.mifi = array_index_nospec(vr.mifi, mrt->maxvif);
                read_lock(&mrt_lock);
                vif = &mrt->vif6_table[vr.mifi];
                if (MIF_EXISTS(mrt, vr.mifi)) {
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index ed212ffc1d9d..046ae1caecea 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -153,7 +153,7 @@ static struct sock *nr_find_listener(ax25_address *addr)
        sk_for_each(s, &nr_list)
                if (!ax25cmp(&nr_sk(s)->source_addr, addr) &&
                    s->sk_state == TCP_LISTEN) {
-                       bh_lock_sock(s);
+                       sock_hold(s);
                        goto found;
                }
        s = NULL;
@@ -174,7 +174,7 @@ static struct sock *nr_find_socket(unsigned char index, 
unsigned char id)
                struct nr_sock *nr = nr_sk(s);
 
                if (nr->my_index == index && nr->my_id == id) {
-                       bh_lock_sock(s);
+                       sock_hold(s);
                        goto found;
                }
        }
@@ -198,7 +198,7 @@ static struct sock *nr_find_peer(unsigned char index, 
unsigned char id,
 
                if (nr->your_index == index && nr->your_id == id &&
                    !ax25cmp(&nr->dest_addr, dest)) {
-                       bh_lock_sock(s);
+                       sock_hold(s);
                        goto found;
                }
        }
@@ -224,7 +224,7 @@ static unsigned short nr_find_next_circuit(void)
                if (i != 0 && j != 0) {
                        if ((sk=nr_find_socket(i, j)) == NULL)
                                break;
-                       bh_unlock_sock(sk);
+                       sock_put(sk);
                }
 
                id++;
@@ -918,6 +918,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
        }
 
        if (sk != NULL) {
+               bh_lock_sock(sk);
                skb_reset_transport_header(skb);
 
                if (frametype == NR_CONNACK && skb->len == 22)
@@ -927,6 +928,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
 
                ret = nr_process_rx_frame(sk, skb);
                bh_unlock_sock(sk);
+               sock_put(sk);
                return ret;
        }
 
@@ -958,10 +960,12 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device 
*dev)
            (make = nr_make_new(sk)) == NULL) {
                nr_transmit_refusal(skb, 0);
                if (sk)
-                       bh_unlock_sock(sk);
+                       sock_put(sk);
                return 0;
        }
 
+       bh_lock_sock(sk);
+
        window = skb->data[20];
 
        skb->sk             = make;
@@ -1014,6 +1018,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device 
*dev)
                sk->sk_data_ready(sk);
 
        bh_unlock_sock(sk);
+       sock_put(sk);
 
        nr_insert_socket(make);
 
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 07668f152a3a..0f50977ed53b 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2511,8 +2511,10 @@ static int tpacket_snd(struct packet_sock *po, struct 
msghdr *msg)
                                                sll_addr)))
                        goto out;
                proto   = saddr->sll_protocol;
-               addr    = saddr->sll_addr;
+               addr    = saddr->sll_halen ? saddr->sll_addr : NULL;
                dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
+               if (addr && dev && saddr->sll_halen < dev->addr_len)
+                       goto out;
        }
 
        err = -ENXIO;
@@ -2678,8 +2680,10 @@ static int packet_snd(struct socket *sock, struct msghdr 
*msg, size_t len)
                if (msg->msg_namelen < (saddr->sll_halen + offsetof(struct 
sockaddr_ll, sll_addr)))
                        goto out;
                proto   = saddr->sll_protocol;
-               addr    = saddr->sll_addr;
+               addr    = saddr->sll_halen ? saddr->sll_addr : NULL;
                dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex);
+               if (addr && dev && saddr->sll_halen < dev->addr_len)
+                       goto out;
        }
 
        err = -ENXIO;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 5ca8309ea7b1..7dffc97a953c 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -101,6 +101,7 @@ static int sctp_inet6addr_event(struct notifier_block 
*this, unsigned long ev,
                if (addr) {
                        addr->a.v6.sin6_family = AF_INET6;
                        addr->a.v6.sin6_port = 0;
+                       addr->a.v6.sin6_flowinfo = 0;
                        addr->a.v6.sin6_addr = ifa->addr;
                        addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
                        addr->valid = 1;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c 
b/net/sunrpc/auth_gss/svcauth_gss.c
index 036bbf2b44c1..b5291ea54a3d 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1105,7 +1105,7 @@ static int svcauth_gss_legacy_init(struct svc_rqst *rqstp,
        struct kvec *resv = &rqstp->rq_res.head[0];
        struct rsi *rsip, rsikey;
        int ret;
-       struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, 
sunrpc_net_id);
+       struct sunrpc_net *sn = net_generic(SVC_NET(rqstp), sunrpc_net_id);
 
        memset(&rsikey, 0, sizeof(rsikey));
        ret = gss_read_verf(gc, argv, authp,
@@ -1216,7 +1216,7 @@ static int svcauth_gss_proxy_init(struct svc_rqst *rqstp,
        uint64_t handle;
        int status;
        int ret;
-       struct net *net = rqstp->rq_xprt->xpt_net;
+       struct net *net = SVC_NET(rqstp);
        struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
 
        memset(&ud, 0, sizeof(ud));
@@ -1406,7 +1406,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
        __be32          *rpcstart;
        __be32          *reject_stat = resv->iov_base + resv->iov_len;
        int             ret;
-       struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, 
sunrpc_net_id);
+       struct sunrpc_net *sn = net_generic(SVC_NET(rqstp), sunrpc_net_id);
 
        dprintk("RPC:       svcauth_gss: argv->iov_len = %zd\n",
                        argv->iov_len);
@@ -1694,7 +1694,7 @@ svcauth_gss_release(struct svc_rqst *rqstp)
        struct rpc_gss_wire_cred *gc = &gsd->clcred;
        struct xdr_buf *resbuf = &rqstp->rq_res;
        int stat = -EINVAL;
-       struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, 
sunrpc_net_id);
+       struct sunrpc_net *sn = net_generic(SVC_NET(rqstp), sunrpc_net_id);
 
        if (gc->gc_proc != RPC_GSS_PROC_DATA)
                goto out;
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 63fb5ee212cf..af17b00145e1 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -54,6 +54,11 @@ static void cache_init(struct cache_head *h, struct 
cache_detail *detail)
        h->last_refresh = now;
 }
 
+static void cache_fresh_locked(struct cache_head *head, time_t expiry,
+                               struct cache_detail *detail);
+static void cache_fresh_unlocked(struct cache_head *head,
+                               struct cache_detail *detail);
+
 struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail,
                                       struct cache_head *key, int hash)
 {
@@ -95,6 +100,7 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail 
*detail,
                        if (cache_is_expired(detail, tmp)) {
                                hlist_del_init(&tmp->cache_list);
                                detail->entries --;
+                               cache_fresh_locked(tmp, 0, detail);
                                freeme = tmp;
                                break;
                        }
@@ -110,8 +116,10 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail 
*detail,
        cache_get(new);
        write_unlock(&detail->hash_lock);
 
-       if (freeme)
+       if (freeme) {
+               cache_fresh_unlocked(freeme, detail);
                cache_put(freeme, detail);
+       }
        return new;
 }
 EXPORT_SYMBOL_GPL(sunrpc_cache_lookup);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 1413cdcc131c..9701fcca002c 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -614,7 +614,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
                /* Don't enable netstamp, sunrpc doesn't
                   need that much accuracy */
        }
-       svsk->sk_sk->sk_stamp = skb->tstamp;
+       sock_write_timestamp(svsk->sk_sk, skb->tstamp);
        set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); /* there may be more 
data... */
 
        len  = skb->len - sizeof(struct udphdr);
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 589c8b9908a5..d24773552b64 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -272,6 +272,31 @@ vmci_transport_send_control_pkt_bh(struct sockaddr_vm *src,
                                                 false);
 }
 
+static int
+vmci_transport_alloc_send_control_pkt(struct sockaddr_vm *src,
+                                     struct sockaddr_vm *dst,
+                                     enum vmci_transport_packet_type type,
+                                     u64 size,
+                                     u64 mode,
+                                     struct vmci_transport_waiting_info *wait,
+                                     u16 proto,
+                                     struct vmci_handle handle)
+{
+       struct vmci_transport_packet *pkt;
+       int err;
+
+       pkt = kmalloc(sizeof(*pkt), GFP_KERNEL);
+       if (!pkt)
+               return -ENOMEM;
+
+       err = __vmci_transport_send_control_pkt(pkt, src, dst, type, size,
+                                               mode, wait, proto, handle,
+                                               true);
+       kfree(pkt);
+
+       return err;
+}
+
 static int
 vmci_transport_send_control_pkt(struct sock *sk,
                                enum vmci_transport_packet_type type,
@@ -281,9 +306,7 @@ vmci_transport_send_control_pkt(struct sock *sk,
                                u16 proto,
                                struct vmci_handle handle)
 {
-       struct vmci_transport_packet *pkt;
        struct vsock_sock *vsk;
-       int err;
 
        vsk = vsock_sk(sk);
 
@@ -293,17 +316,10 @@ vmci_transport_send_control_pkt(struct sock *sk,
        if (!vsock_addr_bound(&vsk->remote_addr))
                return -EINVAL;
 
-       pkt = kmalloc(sizeof(*pkt), GFP_KERNEL);
-       if (!pkt)
-               return -ENOMEM;
-
-       err = __vmci_transport_send_control_pkt(pkt, &vsk->local_addr,
-                                               &vsk->remote_addr, type, size,
-                                               mode, wait, proto, handle,
-                                               true);
-       kfree(pkt);
-
-       return err;
+       return vmci_transport_alloc_send_control_pkt(&vsk->local_addr,
+                                                    &vsk->remote_addr,
+                                                    type, size, mode,
+                                                    wait, proto, handle);
 }
 
 static int vmci_transport_send_reset_bh(struct sockaddr_vm *dst,
@@ -321,12 +337,29 @@ static int vmci_transport_send_reset_bh(struct 
sockaddr_vm *dst,
 static int vmci_transport_send_reset(struct sock *sk,
                                     struct vmci_transport_packet *pkt)
 {
+       struct sockaddr_vm *dst_ptr;
+       struct sockaddr_vm dst;
+       struct vsock_sock *vsk;
+
        if (pkt->type == VMCI_TRANSPORT_PACKET_TYPE_RST)
                return 0;
-       return vmci_transport_send_control_pkt(sk,
-                                       VMCI_TRANSPORT_PACKET_TYPE_RST,
-                                       0, 0, NULL, VSOCK_PROTO_INVALID,
-                                       VMCI_INVALID_HANDLE);
+
+       vsk = vsock_sk(sk);
+
+       if (!vsock_addr_bound(&vsk->local_addr))
+               return -EINVAL;
+
+       if (vsock_addr_bound(&vsk->remote_addr)) {
+               dst_ptr = &vsk->remote_addr;
+       } else {
+               vsock_addr_init(&dst, pkt->dg.src.context,
+                               pkt->src_port);
+               dst_ptr = &dst;
+       }
+       return vmci_transport_alloc_send_control_pkt(&vsk->local_addr, dst_ptr,
+                                            VMCI_TRANSPORT_PACKET_TYPE_RST,
+                                            0, 0, NULL, VSOCK_PROTO_INVALID,
+                                            VMCI_INVALID_HANDLE);
 }
 
 static int vmci_transport_send_negotiate(struct sock *sk, size_t size)
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 9b6e51450fc5..13f261feb75c 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -623,7 +623,7 @@ void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo 
*si)
 {
        spin_lock_bh(&net->xfrm.xfrm_state_lock);
        si->sadcnt = net->xfrm.state_num;
-       si->sadhcnt = net->xfrm.state_hmask;
+       si->sadhcnt = net->xfrm.state_hmask + 1;
        si->sadhmcnt = xfrm_state_hashmax;
        spin_unlock_bh(&net->xfrm.xfrm_state_lock);
 }
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index dd8397894d5c..12a6940741fe 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -46,8 +46,8 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
        $xs     = "[0-9a-f ]";  # hex character or space
        $funcre = qr/^$x* <(.*)>:$/;
        if ($arch eq 'aarch64') {
-               #ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, 
[sp,#-80]!
-               $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+               #ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp, 
#-80]!
+               $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;
        } elsif ($arch eq 'arm') {
                #c0008ffc:      e24dd064        sub     sp, sp, #100    ; 0x64
                $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 6bda8f6c5f84..cdff5f976480 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -25,6 +25,7 @@
 #include <linux/time.h>
 #include <linux/mutex.h>
 #include <linux/device.h>
+#include <linux/nospec.h>
 #include <sound/core.h>
 #include <sound/minors.h>
 #include <sound/pcm.h>
@@ -125,6 +126,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
                                return -EFAULT;
                        if (stream < 0 || stream > 1)
                                return -EINVAL;
+                       stream = array_index_nospec(stream, 2);
                        if (get_user(subdevice, &info->subdevice))
                                return -EFAULT;
                        mutex_lock(&register_mutex);
diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c
index d2951ed4bf71..1984291ebd07 100644
--- a/sound/pci/cs46xx/dsp_spos.c
+++ b/sound/pci/cs46xx/dsp_spos.c
@@ -899,6 +899,9 @@ int cs46xx_dsp_proc_done (struct snd_cs46xx *chip)
        struct dsp_spos_instance * ins = chip->dsp_spos_instance;
        int i;
 
+       if (!ins)
+               return 0;
+
        snd_info_free_entry(ins->proc_sym_info_entry);
        ins->proc_sym_info_entry = NULL;
 
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index 50b216fc369f..5d422d65e62b 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -36,6 +36,7 @@
 #include <linux/init.h>
 #include <linux/mutex.h>
 #include <linux/moduleparam.h>
+#include <linux/nospec.h>
 
 #include <sound/core.h>
 #include <sound/tlv.h>
@@ -1000,6 +1001,8 @@ static int snd_emu10k1_ipcm_poke(struct snd_emu10k1 *emu,
 
        if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT)
                return -EINVAL;
+       ipcm->substream = array_index_nospec(ipcm->substream,
+                                            EMU10K1_FX8010_PCM_COUNT);
        if (ipcm->channels > 32)
                return -EINVAL;
        pcm = &emu->fx8010.pcm[ipcm->substream];
@@ -1046,6 +1049,8 @@ static int snd_emu10k1_ipcm_peek(struct snd_emu10k1 *emu,
 
        if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT)
                return -EINVAL;
+       ipcm->substream = array_index_nospec(ipcm->substream,
+                                            EMU10K1_FX8010_PCM_COUNT);
        pcm = &emu->fx8010.pcm[ipcm->substream];
        mutex_lock(&emu->fx8010.lock);
        spin_lock_irq(&emu->reg_lock);
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 17fd81736d3d..039fbbb1e53c 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -249,10 +249,12 @@ static int hda_tegra_suspend(struct device *dev)
        struct snd_card *card = dev_get_drvdata(dev);
        struct azx *chip = card->private_data;
        struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip);
+       struct hdac_bus *bus = azx_bus(chip);
 
        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 
        azx_stop_chip(chip);
+       synchronize_irq(bus->irq);
        azx_enter_link_reset(chip);
        hda_tegra_disable_clocks(hda);
 
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index aea3cc2abe3a..536184ac315d 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -853,6 +853,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
        SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK),
        SND_PCI_QUIRK(0x103c, 0x807C, "HP EliteBook 820 G3", CXT_FIXUP_HP_DOCK),
        SND_PCI_QUIRK(0x103c, 0x80FD, "HP ProBook 640 G2", CXT_FIXUP_HP_DOCK),
+       SND_PCI_QUIRK(0x103c, 0x828c, "HP EliteBook 840 G4", CXT_FIXUP_HP_DOCK),
        SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK),
        SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK),
        SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index 7c8941b8b2de..dd6c9e6a1d53 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -30,6 +30,7 @@
 #include <linux/math64.h>
 #include <linux/vmalloc.h>
 #include <linux/io.h>
+#include <linux/nospec.h>
 
 #include <sound/core.h>
 #include <sound/control.h>
@@ -4065,15 +4066,16 @@ static int snd_hdsp_channel_info(struct 
snd_pcm_substream *substream,
                                    struct snd_pcm_channel_info *info)
 {
        struct hdsp *hdsp = snd_pcm_substream_chip(substream);
-       int mapped_channel;
+       unsigned int channel = info->channel;
 
-       if (snd_BUG_ON(info->channel >= hdsp->max_channels))
+       if (snd_BUG_ON(channel >= hdsp->max_channels))
                return -EINVAL;
+       channel = array_index_nospec(channel, hdsp->max_channels);
 
-       if ((mapped_channel = hdsp->channel_map[info->channel]) < 0)
+       if (hdsp->channel_map[channel] < 0)
                return -EINVAL;
 
-       info->offset = mapped_channel * HDSP_CHANNEL_BUFFER_BYTES;
+       info->offset = hdsp->channel_map[channel] * HDSP_CHANNEL_BUFFER_BYTES;
        info->first = 0;
        info->step = 32;
        return 0;
diff --git a/sound/synth/emux/emux_hwdep.c b/sound/synth/emux/emux_hwdep.c
index e557946718a9..d9fcae071b47 100644
--- a/sound/synth/emux/emux_hwdep.c
+++ b/sound/synth/emux/emux_hwdep.c
@@ -22,9 +22,9 @@
 #include <sound/core.h>
 #include <sound/hwdep.h>
 #include <linux/uaccess.h>
+#include <linux/nospec.h>
 #include "emux_voice.h"
 
-
 #define TMP_CLIENT_ID  0x1001
 
 /*
@@ -66,13 +66,16 @@ snd_emux_hwdep_misc_mode(struct snd_emux *emu, void __user 
*arg)
                return -EFAULT;
        if (info.mode < 0 || info.mode >= EMUX_MD_END)
                return -EINVAL;
+       info.mode = array_index_nospec(info.mode, EMUX_MD_END);
 
        if (info.port < 0) {
                for (i = 0; i < emu->num_ports; i++)
                        emu->portptrs[i]->ctrls[info.mode] = info.value;
        } else {
-               if (info.port < emu->num_ports)
+               if (info.port < emu->num_ports) {
+                       info.port = array_index_nospec(info.port, 
emu->num_ports);
                        emu->portptrs[info.port]->ctrls[info.mode] = info.value;
+               }
        }
        return 0;
 }
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 97d6a18e6956..f7eb0d2f797b 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1816,7 +1816,7 @@ static int build_audio_procunit(struct mixer_build 
*state, int unitid,
                                char *name)
 {
        struct uac_processing_unit_descriptor *desc = raw_desc;
-       int num_ins = desc->bNrInPins;
+       int num_ins;
        struct usb_mixer_elem_info *cval;
        struct snd_kcontrol *kctl;
        int i, err, nameid, type, len;
@@ -1831,7 +1831,13 @@ static int build_audio_procunit(struct mixer_build 
*state, int unitid,
                0, NULL, default_value_info
        };
 
-       if (desc->bLength < 13 || desc->bLength < 13 + num_ins ||
+       if (desc->bLength < 13) {
+               usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", 
name, unitid);
+               return -EINVAL;
+       }
+
+       num_ins = desc->bNrInPins;
+       if (desc->bLength < 13 + num_ins ||
            desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, 
state->mixer->protocol)) {
                usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", 
name, unitid);
                return -EINVAL;
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 15cbe2565703..d32727c74a16 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3321,6 +3321,9 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
                                        }
                                }
                        },
+                       {
+                               .ifnum = -1
+                       },
                }
        }
 },
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 593066c68e3d..4f650ebd564a 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -100,7 +100,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias 
*alias, char *dir, char *
        char path[PATH_MAX];
        const char *lc;
 
-       snprintf(path, PATH_MAX, "%s/%s.scale", dir, name);
+       scnprintf(path, PATH_MAX, "%s/%s.scale", dir, name);
 
        fd = open(path, O_RDONLY);
        if (fd == -1)
@@ -147,7 +147,7 @@ static int perf_pmu__parse_unit(struct perf_pmu_alias 
*alias, char *dir, char *n
        ssize_t sret;
        int fd;
 
-       snprintf(path, PATH_MAX, "%s/%s.unit", dir, name);
+       scnprintf(path, PATH_MAX, "%s/%s.unit", dir, name);
 
        fd = open(path, O_RDONLY);
        if (fd == -1)
@@ -177,7 +177,7 @@ perf_pmu__parse_per_pkg(struct perf_pmu_alias *alias, char 
*dir, char *name)
        char path[PATH_MAX];
        int fd;
 
-       snprintf(path, PATH_MAX, "%s/%s.per-pkg", dir, name);
+       scnprintf(path, PATH_MAX, "%s/%s.per-pkg", dir, name);
 
        fd = open(path, O_RDONLY);
        if (fd == -1)
@@ -195,7 +195,7 @@ static int perf_pmu__parse_snapshot(struct perf_pmu_alias 
*alias,
        char path[PATH_MAX];
        int fd;
 
-       snprintf(path, PATH_MAX, "%s/%s.snapshot", dir, name);
+       scnprintf(path, PATH_MAX, "%s/%s.snapshot", dir, name);
 
        fd = open(path, O_RDONLY);
        if (fd == -1)

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