diff --git a/Makefile b/Makefile
index fba9b09a1330..a513c045c8de 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 32
+SUBLEVEL = 33
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index dfad287f1db1..dbedc576e4ca 100644
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -130,14 +130,17 @@ static cycle_t arc_counter_read(struct clocksource *cs)
                cycle_t  full;
        } stamp;
 
-
-       __asm__ __volatile(
-       "1:                                             \n"
-       "       lr              %0, [AUX_RTC_LOW]       \n"
-       "       lr              %1, [AUX_RTC_HIGH]      \n"
-       "       lr              %2, [AUX_RTC_CTRL]      \n"
-       "       bbit0.nt        %2, 31, 1b              \n"
-       : "=r" (stamp.low), "=r" (stamp.high), "=r" (status));
+       /*
+        * hardware has an internal state machine which tracks readout of
+        * low/high and updates the CTRL.status if
+        *  - interrupt/exception taken between the two reads
+        *  - high increments after low has been read
+        */
+       do {
+               stamp.low = read_aux_reg(AUX_RTC_LOW);
+               stamp.high = read_aux_reg(AUX_RTC_HIGH);
+               status = read_aux_reg(AUX_RTC_CTRL);
+       } while (!(status & _BITUL(31)));
 
        return stamp.full;
 }
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index dd7cee795709..c8c04a1f1c9f 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -400,7 +400,10 @@ struct kvm_vcpu_arch {
        /* Host KSEG0 address of the EI/DI offset */
        void *kseg0_commpage;
 
-       u32 io_gpr;             /* GPR used as IO source/target */
+       /* Resume PC after MMIO completion */
+       unsigned long io_pc;
+       /* GPR used as IO source/target */
+       u32 io_gpr;
 
        struct hrtimer comparecount_timer;
        /* Count timer control KVM register */
@@ -422,8 +425,6 @@ struct kvm_vcpu_arch {
        /* Bitmask of pending exceptions to be cleared */
        unsigned long pending_exceptions_clr;
 
-       unsigned long pending_load_cause;
-
        /* Save/Restore the entryhi register when are are preempted/scheduled 
back in */
        unsigned long preempt_entryhi;
 
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 4298aeb1e20f..4c85ab808f99 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1473,6 +1473,7 @@ enum emulation_result kvm_mips_emulate_load(uint32_t 
inst, uint32_t cause,
                                            struct kvm_vcpu *vcpu)
 {
        enum emulation_result er = EMULATE_DO_MMIO;
+       unsigned long curr_pc;
        int32_t op, base, rt, offset;
        uint32_t bytes;
 
@@ -1481,7 +1482,18 @@ enum emulation_result kvm_mips_emulate_load(uint32_t 
inst, uint32_t cause,
        offset = inst & 0xffff;
        op = (inst >> 26) & 0x3f;
 
-       vcpu->arch.pending_load_cause = cause;
+       /*
+        * Find the resume PC now while we have safe and easy access to the
+        * prior branch instruction, and save it for
+        * kvm_mips_complete_mmio_load() to restore later.
+        */
+       curr_pc = vcpu->arch.pc;
+       er = update_pc(vcpu, cause);
+       if (er == EMULATE_FAIL)
+               return er;
+       vcpu->arch.io_pc = vcpu->arch.pc;
+       vcpu->arch.pc = curr_pc;
+
        vcpu->arch.io_gpr = rt;
 
        switch (op) {
@@ -2461,9 +2473,8 @@ enum emulation_result kvm_mips_complete_mmio_load(struct 
kvm_vcpu *vcpu,
                goto done;
        }
 
-       er = update_pc(vcpu, vcpu->arch.pending_load_cause);
-       if (er == EMULATE_FAIL)
-               return er;
+       /* Restore saved resume PC */
+       vcpu->arch.pc = vcpu->arch.io_pc;
 
        switch (run->mmio.len) {
        case 4:
@@ -2485,11 +2496,6 @@ enum emulation_result kvm_mips_complete_mmio_load(struct 
kvm_vcpu *vcpu,
                break;
        }
 
-       if (vcpu->arch.pending_load_cause & CAUSEF_BD)
-               kvm_debug("[%#lx] Completing %d byte BD Load to gpr %d 
(0x%08lx) type %d\n",
-                         vcpu->arch.pc, run->mmio.len, vcpu->arch.io_gpr, *gpr,
-                         vcpu->mmio_needed);
-
 done:
        return er;
 }
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 045035796ca7..b63b9a42af70 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -525,11 +525,11 @@ static int diag224(void *ptr)
 static int diag224_get_name_table(void)
 {
        /* memory must be below 2GB */
-       diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA);
+       diag224_cpu_names = (char *) __get_free_page(GFP_KERNEL | GFP_DMA);
        if (!diag224_cpu_names)
                return -ENOMEM;
        if (diag224(diag224_cpu_names)) {
-               kfree(diag224_cpu_names);
+               free_page((unsigned long) diag224_cpu_names);
                return -EOPNOTSUPP;
        }
        EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16);
@@ -538,7 +538,7 @@ static int diag224_get_name_table(void)
 
 static void diag224_delete_name_table(void)
 {
-       kfree(diag224_cpu_names);
+       free_page((unsigned long) diag224_cpu_names);
 }
 
 static int diag224_idx2name(int index, char *name)
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 3dd9c462d22a..8f8da9f92090 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -657,7 +657,7 @@ static int ghes_proc(struct ghes *ghes)
        ghes_do_proc(ghes, ghes->estatus);
 out:
        ghes_clear_estatus(ghes);
-       return 0;
+       return rc;
 }
 
 static void ghes_add_timer(struct ghes *ghes)
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 74d97f4bac34..1d58854c4a9f 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1802,7 +1802,7 @@ int drbd_send(struct drbd_connection *connection, struct 
socket *sock,
  * do we need to block DRBD_SIG if sock == &meta.socket ??
  * otherwise wake_asender() might interrupt some send_*Ack !
  */
-               rv = kernel_sendmsg(sock, &msg, &iov, 1, size);
+               rv = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len);
                if (rv == -EAGAIN) {
                        if (we_should_drop_the_connection(connection, sock))
                                break;
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 6f497aa1b276..cf25020576fa 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -84,14 +84,14 @@ static size_t rng_buffer_size(void)
 
 static void add_early_randomness(struct hwrng *rng)
 {
-       unsigned char bytes[16];
        int bytes_read;
+       size_t size = min_t(size_t, 16, rng_buffer_size());
 
        mutex_lock(&reading_mutex);
-       bytes_read = rng_get_data(rng, bytes, sizeof(bytes), 1);
+       bytes_read = rng_get_data(rng, rng_buffer, size, 1);
        mutex_unlock(&reading_mutex);
        if (bytes_read > 0)
-               add_device_randomness(bytes, bytes_read);
+               add_device_randomness(rng_buffer, bytes_read);
 }
 
 static inline void cleanup_rng(struct kref *kref)
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 8b77abb6bc22..a5070f9cb0d4 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -700,6 +700,7 @@ static struct clk * __init create_mux_common(struct 
clockgen *cg,
                                             struct mux_hwclock *hwc,
                                             const struct clk_ops *ops,
                                             unsigned long min_rate,
+                                            unsigned long max_rate,
                                             unsigned long pct80_rate,
                                             const char *fmt, int idx)
 {
@@ -728,6 +729,8 @@ static struct clk * __init create_mux_common(struct 
clockgen *cg,
                        continue;
                if (rate < min_rate)
                        continue;
+               if (rate > max_rate)
+                       continue;
 
                parent_names[j] = div->name;
                hwc->parent_to_clksel[j] = i;
@@ -759,7 +762,7 @@ static struct clk * __init create_one_cmux(struct clockgen 
*cg, int idx)
        struct mux_hwclock *hwc;
        const struct clockgen_pll_div *div;
        unsigned long plat_rate, min_rate;
-       u64 pct80_rate;
+       u64 max_rate, pct80_rate;
        u32 clksel;
 
        hwc = kzalloc(sizeof(*hwc), GFP_KERNEL);
@@ -787,8 +790,8 @@ static struct clk * __init create_one_cmux(struct clockgen 
*cg, int idx)
                return NULL;
        }
 
-       pct80_rate = clk_get_rate(div->clk);
-       pct80_rate *= 8;
+       max_rate = clk_get_rate(div->clk);
+       pct80_rate = max_rate * 8;
        do_div(pct80_rate, 10);
 
        plat_rate = clk_get_rate(cg->pll[PLATFORM_PLL].div[PLL_DIV1].clk);
@@ -798,7 +801,7 @@ static struct clk * __init create_one_cmux(struct clockgen 
*cg, int idx)
        else
                min_rate = plat_rate / 2;
 
-       return create_mux_common(cg, hwc, &cmux_ops, min_rate,
+       return create_mux_common(cg, hwc, &cmux_ops, min_rate, max_rate,
                                 pct80_rate, "cg-cmux%d", idx);
 }
 
@@ -813,7 +816,7 @@ static struct clk * __init create_one_hwaccel(struct 
clockgen *cg, int idx)
        hwc->reg = cg->regs + 0x20 * idx + 0x10;
        hwc->info = cg->info.hwaccel[idx];
 
-       return create_mux_common(cg, hwc, &hwaccel_ops, 0, 0,
+       return create_mux_common(cg, hwc, &hwaccel_ops, 0, ULONG_MAX, 0,
                                 "cg-hwaccel%d", idx);
 }
 
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 9d05d7dbcfa9..66c073fc8afc 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -864,8 +864,12 @@ at_xdmac_interleaved_queue_desc(struct dma_chan *chan,
         * access. Hopefully we can access DDR through both ports (at least on
         * SAMA5D4x), so we can use the same interface for source and dest,
         * that solves the fact we don't know the direction.
+        * ERRATA: Even if useless for memory transfers, the PERID has to not
+        * match the one of another channel. If not, it could lead to spurious
+        * flag status.
         */
-       u32                     chan_cc = AT_XDMAC_CC_DIF(0)
+       u32                     chan_cc = AT_XDMAC_CC_PERID(0x3f)
+                                       | AT_XDMAC_CC_DIF(0)
                                        | AT_XDMAC_CC_SIF(0)
                                        | AT_XDMAC_CC_MBSIZE_SIXTEEN
                                        | AT_XDMAC_CC_TYPE_MEM_TRAN;
@@ -1042,8 +1046,12 @@ at_xdmac_prep_dma_memcpy(struct dma_chan *chan, 
dma_addr_t dest, dma_addr_t src,
         * access DDR through both ports (at least on SAMA5D4x), so we can use
         * the same interface for source and dest, that solves the fact we
         * don't know the direction.
+        * ERRATA: Even if useless for memory transfers, the PERID has to not
+        * match the one of another channel. If not, it could lead to spurious
+        * flag status.
         */
-       u32                     chan_cc = AT_XDMAC_CC_DAM_INCREMENTED_AM
+       u32                     chan_cc = AT_XDMAC_CC_PERID(0x3f)
+                                       | AT_XDMAC_CC_DAM_INCREMENTED_AM
                                        | AT_XDMAC_CC_SAM_INCREMENTED_AM
                                        | AT_XDMAC_CC_DIF(0)
                                        | AT_XDMAC_CC_SIF(0)
@@ -1144,8 +1152,12 @@ static struct at_xdmac_desc 
*at_xdmac_memset_create_desc(struct dma_chan *chan,
         * access. Hopefully we can access DDR through both ports (at least on
         * SAMA5D4x), so we can use the same interface for source and dest,
         * that solves the fact we don't know the direction.
+        * ERRATA: Even if useless for memory transfers, the PERID has to not
+        * match the one of another channel. If not, it could lead to spurious
+        * flag status.
         */
-       u32                     chan_cc = AT_XDMAC_CC_DAM_UBS_AM
+       u32                     chan_cc = AT_XDMAC_CC_PERID(0x3f)
+                                       | AT_XDMAC_CC_DAM_UBS_AM
                                        | AT_XDMAC_CC_SAM_INCREMENTED_AM
                                        | AT_XDMAC_CC_DIF(0)
                                        | AT_XDMAC_CC_SIF(0)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c 
b/drivers/gpu/drm/i915/intel_hdmi.c
index 3b92cad8bef2..1ea8532f5ab2 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1997,6 +1997,50 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, 
struct drm_connector *c
        intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
 }
 
+static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv,
+                            enum port port)
+{
+       const struct ddi_vbt_port_info *info =
+               &dev_priv->vbt.ddi_port_info[port];
+       u8 ddc_pin;
+
+       if (info->alternate_ddc_pin) {
+               DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n",
+                             info->alternate_ddc_pin, port_name(port));
+               return info->alternate_ddc_pin;
+       }
+
+       switch (port) {
+       case PORT_B:
+               if (IS_BROXTON(dev_priv))
+                       ddc_pin = GMBUS_PIN_1_BXT;
+               else
+                       ddc_pin = GMBUS_PIN_DPB;
+               break;
+       case PORT_C:
+               if (IS_BROXTON(dev_priv))
+                       ddc_pin = GMBUS_PIN_2_BXT;
+               else
+                       ddc_pin = GMBUS_PIN_DPC;
+               break;
+       case PORT_D:
+               if (IS_CHERRYVIEW(dev_priv))
+                       ddc_pin = GMBUS_PIN_DPD_CHV;
+               else
+                       ddc_pin = GMBUS_PIN_DPD;
+               break;
+       default:
+               MISSING_CASE(port);
+               ddc_pin = GMBUS_PIN_DPB;
+               break;
+       }
+
+       DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (platform default)\n",
+                     ddc_pin, port_name(port));
+
+       return ddc_pin;
+}
+
 void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
                               struct intel_connector *intel_connector)
 {
@@ -2006,7 +2050,6 @@ void intel_hdmi_init_connector(struct intel_digital_port 
*intel_dig_port,
        struct drm_device *dev = intel_encoder->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        enum port port = intel_dig_port->port;
-       uint8_t alternate_ddc_pin;
 
        DRM_DEBUG_KMS("Adding HDMI connector on port %c\n",
                      port_name(port));
@@ -2019,12 +2062,10 @@ void intel_hdmi_init_connector(struct 
intel_digital_port *intel_dig_port,
        connector->doublescan_allowed = 0;
        connector->stereo_allowed = 1;
 
+       intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
+
        switch (port) {
        case PORT_B:
-               if (IS_BROXTON(dev_priv))
-                       intel_hdmi->ddc_bus = GMBUS_PIN_1_BXT;
-               else
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPB;
                /*
                 * On BXT A0/A1, sw needs to activate DDIA HPD logic and
                 * interrupts to check the external panel connection.
@@ -2035,46 +2076,17 @@ void intel_hdmi_init_connector(struct 
intel_digital_port *intel_dig_port,
                        intel_encoder->hpd_pin = HPD_PORT_B;
                break;
        case PORT_C:
-               if (IS_BROXTON(dev_priv))
-                       intel_hdmi->ddc_bus = GMBUS_PIN_2_BXT;
-               else
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPC;
                intel_encoder->hpd_pin = HPD_PORT_C;
                break;
        case PORT_D:
-               if (WARN_ON(IS_BROXTON(dev_priv)))
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DISABLED;
-               else if (IS_CHERRYVIEW(dev_priv))
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPD_CHV;
-               else
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPD;
                intel_encoder->hpd_pin = HPD_PORT_D;
                break;
        case PORT_E:
-               /* On SKL PORT E doesn't have seperate GMBUS pin
-                *  We rely on VBT to set a proper alternate GMBUS pin. */
-               alternate_ddc_pin =
-                       dev_priv->vbt.ddi_port_info[PORT_E].alternate_ddc_pin;
-               switch (alternate_ddc_pin) {
-               case DDC_PIN_B:
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPB;
-                       break;
-               case DDC_PIN_C:
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPC;
-                       break;
-               case DDC_PIN_D:
-                       intel_hdmi->ddc_bus = GMBUS_PIN_DPD;
-                       break;
-               default:
-                       MISSING_CASE(alternate_ddc_pin);
-               }
                intel_encoder->hpd_pin = HPD_PORT_E;
                break;
-       case PORT_A:
-               intel_encoder->hpd_pin = HPD_PORT_A;
-               /* Internal port only for eDP. */
        default:
-               BUG();
+               MISSING_CASE(port);
+               return;
        }
 
        if (IS_VALLEYVIEW(dev)) {
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c 
b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index dc33c1dd5191..b5beea53d6f6 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -30,26 +30,26 @@ static struct {
        u32 usage_id;
        int unit; /* 0 for default others from HID sensor spec */
        int scale_val0; /* scale, whole number */
-       int scale_val1; /* scale, fraction in micros */
+       int scale_val1; /* scale, fraction in nanos */
 } unit_conversion[] = {
-       {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650},
+       {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650000},
        {HID_USAGE_SENSOR_ACCEL_3D,
                HID_USAGE_SENSOR_UNITS_METERS_PER_SEC_SQRD, 1, 0},
        {HID_USAGE_SENSOR_ACCEL_3D,
-               HID_USAGE_SENSOR_UNITS_G, 9, 806650},
+               HID_USAGE_SENSOR_UNITS_G, 9, 806650000},
 
-       {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453},
+       {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453293},
        {HID_USAGE_SENSOR_GYRO_3D,
                HID_USAGE_SENSOR_UNITS_RADIANS_PER_SECOND, 1, 0},
        {HID_USAGE_SENSOR_GYRO_3D,
-               HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453},
+               HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453293},
 
-       {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000},
+       {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000000},
        {HID_USAGE_SENSOR_COMPASS_3D, HID_USAGE_SENSOR_UNITS_GAUSS, 1, 0},
 
-       {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453},
+       {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453293},
        {HID_USAGE_SENSOR_INCLINOMETER_3D,
-               HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453},
+               HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293},
        {HID_USAGE_SENSOR_INCLINOMETER_3D,
                HID_USAGE_SENSOR_UNITS_RADIANS, 1, 0},
 
@@ -57,7 +57,7 @@ static struct {
        {HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0},
 
        {HID_USAGE_SENSOR_PRESSURE, 0, 100, 0},
-       {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000},
+       {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000000},
 };
 
 static int pow_10(unsigned power)
@@ -266,15 +266,15 @@ EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value);
 /*
  * This fuction applies the unit exponent to the scale.
  * For example:
- * 9.806650 ->exp:2-> val0[980]val1[665000]
- * 9.000806 ->exp:2-> val0[900]val1[80600]
- * 0.174535 ->exp:2-> val0[17]val1[453500]
- * 1.001745 ->exp:0-> val0[1]val1[1745]
- * 1.001745 ->exp:2-> val0[100]val1[174500]
- * 1.001745 ->exp:4-> val0[10017]val1[450000]
- * 9.806650 ->exp:-2-> val0[0]val1[98066]
+ * 9.806650000 ->exp:2-> val0[980]val1[665000000]
+ * 9.000806000 ->exp:2-> val0[900]val1[80600000]
+ * 0.174535293 ->exp:2-> val0[17]val1[453529300]
+ * 1.001745329 ->exp:0-> val0[1]val1[1745329]
+ * 1.001745329 ->exp:2-> val0[100]val1[174532900]
+ * 1.001745329 ->exp:4-> val0[10017]val1[453290000]
+ * 9.806650000 ->exp:-2-> val0[0]val1[98066500]
  */
-static void adjust_exponent_micro(int *val0, int *val1, int scale0,
+static void adjust_exponent_nano(int *val0, int *val1, int scale0,
                                  int scale1, int exp)
 {
        int i;
@@ -285,32 +285,32 @@ static void adjust_exponent_micro(int *val0, int *val1, 
int scale0,
        if (exp > 0) {
                *val0 = scale0 * pow_10(exp);
                res = 0;
-               if (exp > 6) {
+               if (exp > 9) {
                        *val1 = 0;
                        return;
                }
                for (i = 0; i < exp; ++i) {
-                       x = scale1 / pow_10(5 - i);
+                       x = scale1 / pow_10(8 - i);
                        res += (pow_10(exp - 1 - i) * x);
-                       scale1 = scale1 % pow_10(5 - i);
+                       scale1 = scale1 % pow_10(8 - i);
                }
                *val0 += res;
                        *val1 = scale1 * pow_10(exp);
        } else if (exp < 0) {
                exp = abs(exp);
-               if (exp > 6) {
+               if (exp > 9) {
                        *val0 = *val1 = 0;
                        return;
                }
                *val0 = scale0 / pow_10(exp);
                rem = scale0 % pow_10(exp);
                res = 0;
-               for (i = 0; i < (6 - exp); ++i) {
-                       x = scale1 / pow_10(5 - i);
-                       res += (pow_10(5 - exp - i) * x);
-                       scale1 = scale1 % pow_10(5 - i);
+               for (i = 0; i < (9 - exp); ++i) {
+                       x = scale1 / pow_10(8 - i);
+                       res += (pow_10(8 - exp - i) * x);
+                       scale1 = scale1 % pow_10(8 - i);
                }
-               *val1 = rem * pow_10(6 - exp) + res;
+               *val1 = rem * pow_10(9 - exp) + res;
        } else {
                *val0 = scale0;
                *val1 = scale1;
@@ -332,14 +332,14 @@ int hid_sensor_format_scale(u32 usage_id,
                        unit_conversion[i].unit == attr_info->units) {
                        exp  = hid_sensor_convert_exponent(
                                                attr_info->unit_expo);
-                       adjust_exponent_micro(val0, val1,
+                       adjust_exponent_nano(val0, val1,
                                        unit_conversion[i].scale_val0,
                                        unit_conversion[i].scale_val1, exp);
                        break;
                }
        }
 
-       return IIO_VAL_INT_PLUS_MICRO;
+       return IIO_VAL_INT_PLUS_NANO;
 }
 EXPORT_SYMBOL(hid_sensor_format_scale);
 
diff --git a/drivers/iio/orientation/hid-sensor-rotation.c 
b/drivers/iio/orientation/hid-sensor-rotation.c
index b98b9d94d184..a97e802ca523 100644
--- a/drivers/iio/orientation/hid-sensor-rotation.c
+++ b/drivers/iio/orientation/hid-sensor-rotation.c
@@ -335,6 +335,7 @@ static struct platform_driver hid_dev_rot_platform_driver = 
{
        .id_table = hid_dev_rot_ids,
        .driver = {
                .name   = KBUILD_MODNAME,
+               .pm     = &hid_sensor_pm_ops,
        },
        .probe          = hid_dev_rot_probe,
        .remove         = hid_dev_rot_remove,
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0397985a2601..5975d76ce755 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1833,6 +1833,9 @@ static void dma_ops_domain_free(struct dma_ops_domain 
*dom)
                kfree(dom->aperture[i]);
        }
 
+       if (dom->domain.id)
+               domain_id_free(dom->domain.id);
+
        kfree(dom);
 }
 
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b7f852d824a3..5baa830ce49f 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1672,6 +1672,7 @@ static void disable_dmar_iommu(struct intel_iommu *iommu)
        if (!iommu->domains || !iommu->domain_ids)
                return;
 
+again:
        spin_lock_irqsave(&device_domain_lock, flags);
        list_for_each_entry_safe(info, tmp, &device_domain_list, global) {
                struct dmar_domain *domain;
@@ -1684,10 +1685,19 @@ static void disable_dmar_iommu(struct intel_iommu 
*iommu)
 
                domain = info->domain;
 
-               dmar_remove_one_dev_info(domain, info->dev);
+               __dmar_remove_one_dev_info(info);
 
-               if (!domain_type_is_vm_or_si(domain))
+               if (!domain_type_is_vm_or_si(domain)) {
+                       /*
+                        * The domain_exit() function  can't be called under
+                        * device_domain_lock, as it takes this lock itself.
+                        * So release the lock here and re-run the loop
+                        * afterwards.
+                        */
+                       spin_unlock_irqrestore(&device_domain_lock, flags);
                        domain_exit(domain);
+                       goto again;
+               }
        }
        spin_unlock_irqrestore(&device_domain_lock, flags);
 
diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c 
b/drivers/media/usb/dvb-usb/dib0700_core.c
index 0d248ce02a9b..ab58f0b9da5c 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -677,7 +677,7 @@ static void dib0700_rc_urb_completion(struct urb *purb)
        struct dvb_usb_device *d = purb->context;
        struct dib0700_rc_response *poll_reply;
        enum rc_type protocol;
-       u32 uninitialized_var(keycode);
+       u32 keycode;
        u8 toggle;
 
        deb_info("%s()\n", __func__);
@@ -719,7 +719,8 @@ static void dib0700_rc_urb_completion(struct urb *purb)
                    poll_reply->nec.data       == 0x00 &&
                    poll_reply->nec.not_data   == 0xff) {
                        poll_reply->data_state = 2;
-                       break;
+                       rc_repeat(d->rc_dev);
+                       goto resubmit;
                }
 
                if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) {
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 020de5919c21..bdc7fcd80eca 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -151,7 +151,7 @@ static int mei_nfc_if_version(struct mei_cl *cl,
 
        ret = 0;
        bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length);
-       if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) {
+       if (bytes_recv < if_version_length) {
                dev_err(bus->dev, "Could not read IF version\n");
                ret = -EIO;
                goto err;
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index d839147e591d..44ecebd1ea8c 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -661,13 +661,13 @@ static int mxs_mmc_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, mmc);
 
+       spin_lock_init(&host->lock);
+
        ret = devm_request_irq(&pdev->dev, irq_err, mxs_mmc_irq_handler, 0,
                               dev_name(&pdev->dev), host);
        if (ret)
                goto out_free_dma;
 
-       spin_lock_init(&host->lock);
-
        ret = mmc_add_host(mmc);
        if (ret)
                goto out_free_dma;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c 
b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 979cc024bca7..4edbab6ca7ef 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8595,7 +8595,7 @@ static int i40e_ndo_bridge_getlink(struct sk_buff *skb, 
u32 pid, u32 seq,
                return 0;
 
        return ndo_dflt_bridge_getlink(skb, pid, seq, dev, veb->bridge_mode,
-                                      nlflags, 0, 0, filter_mask, NULL);
+                                      0, 0, nlflags, filter_mask, NULL);
 }
 
 #define I40E_MAX_TUNNEL_HDR_LEN 80
diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c
index 83deda4bb4d6..6f9563a96488 100644
--- a/drivers/nfc/mei_phy.c
+++ b/drivers/nfc/mei_phy.c
@@ -133,7 +133,7 @@ static int mei_nfc_if_version(struct nfc_mei_phy *phy)
                return -ENOMEM;
 
        bytes_recv = mei_cldev_recv(phy->cldev, (u8 *)reply, if_version_length);
-       if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) {
+       if (bytes_recv < 0 || bytes_recv < if_version_length) {
                pr_err("Could not read IF version\n");
                r = -EIO;
                goto err;
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c 
b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 4e377599d266..a009ae34c5ef 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1564,12 +1564,15 @@ static int chv_pinctrl_remove(struct platform_device 
*pdev)
 }
 
 #ifdef CONFIG_PM_SLEEP
-static int chv_pinctrl_suspend(struct device *dev)
+static int chv_pinctrl_suspend_noirq(struct device *dev)
 {
        struct platform_device *pdev = to_platform_device(dev);
        struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+       unsigned long flags;
        int i;
 
+       raw_spin_lock_irqsave(&chv_lock, flags);
+
        pctrl->saved_intmask = readl(pctrl->regs + CHV_INTMASK);
 
        for (i = 0; i < pctrl->community->npins; i++) {
@@ -1590,15 +1593,20 @@ static int chv_pinctrl_suspend(struct device *dev)
                ctx->padctrl1 = readl(reg);
        }
 
+       raw_spin_unlock_irqrestore(&chv_lock, flags);
+
        return 0;
 }
 
-static int chv_pinctrl_resume(struct device *dev)
+static int chv_pinctrl_resume_noirq(struct device *dev)
 {
        struct platform_device *pdev = to_platform_device(dev);
        struct chv_pinctrl *pctrl = platform_get_drvdata(pdev);
+       unsigned long flags;
        int i;
 
+       raw_spin_lock_irqsave(&chv_lock, flags);
+
        /*
         * Mask all interrupts before restoring per-pin configuration
         * registers because we don't know in which state BIOS left them
@@ -1643,12 +1651,15 @@ static int chv_pinctrl_resume(struct device *dev)
        chv_writel(0xffff, pctrl->regs + CHV_INTSTAT);
        chv_writel(pctrl->saved_intmask, pctrl->regs + CHV_INTMASK);
 
+       raw_spin_unlock_irqrestore(&chv_lock, flags);
+
        return 0;
 }
 #endif
 
 static const struct dev_pm_ops chv_pinctrl_pm_ops = {
-       SET_LATE_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend, chv_pinctrl_resume)
+       SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend_noirq,
+                                     chv_pinctrl_resume_noirq)
 };
 
 static const struct acpi_device_id chv_pinctrl_acpi_match[] = {
diff --git a/drivers/platform/x86/toshiba-wmi.c 
b/drivers/platform/x86/toshiba-wmi.c
index feac4576b837..2df07ee8f3c3 100644
--- a/drivers/platform/x86/toshiba-wmi.c
+++ b/drivers/platform/x86/toshiba-wmi.c
@@ -24,14 +24,15 @@
 #include <linux/acpi.h>
 #include <linux/input.h>
 #include <linux/input/sparse-keymap.h>
+#include <linux/dmi.h>
 
 MODULE_AUTHOR("Azael Avalos");
 MODULE_DESCRIPTION("Toshiba WMI Hotkey Driver");
 MODULE_LICENSE("GPL");
 
-#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
+#define WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
 
-MODULE_ALIAS("wmi:"TOSHIBA_WMI_EVENT_GUID);
+MODULE_ALIAS("wmi:"WMI_EVENT_GUID);
 
 static struct input_dev *toshiba_wmi_input_dev;
 
@@ -63,6 +64,16 @@ static void toshiba_wmi_notify(u32 value, void *context)
        kfree(response.pointer);
 }
 
+static struct dmi_system_id toshiba_wmi_dmi_table[] __initdata = {
+       {
+               .ident = "Toshiba laptop",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+               },
+       },
+       {}
+};
+
 static int __init toshiba_wmi_input_setup(void)
 {
        acpi_status status;
@@ -81,7 +92,7 @@ static int __init toshiba_wmi_input_setup(void)
        if (err)
                goto err_free_dev;
 
-       status = wmi_install_notify_handler(TOSHIBA_WMI_EVENT_GUID,
+       status = wmi_install_notify_handler(WMI_EVENT_GUID,
                                            toshiba_wmi_notify, NULL);
        if (ACPI_FAILURE(status)) {
                err = -EIO;
@@ -95,7 +106,7 @@ static int __init toshiba_wmi_input_setup(void)
        return 0;
 
  err_remove_notifier:
-       wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID);
+       wmi_remove_notify_handler(WMI_EVENT_GUID);
  err_free_keymap:
        sparse_keymap_free(toshiba_wmi_input_dev);
  err_free_dev:
@@ -105,7 +116,7 @@ static int __init toshiba_wmi_input_setup(void)
 
 static void toshiba_wmi_input_destroy(void)
 {
-       wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID);
+       wmi_remove_notify_handler(WMI_EVENT_GUID);
        sparse_keymap_free(toshiba_wmi_input_dev);
        input_unregister_device(toshiba_wmi_input_dev);
 }
@@ -114,7 +125,8 @@ static int __init toshiba_wmi_init(void)
 {
        int ret;
 
-       if (!wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
+       if (!wmi_has_guid(WMI_EVENT_GUID) ||
+           !dmi_check_system(toshiba_wmi_dmi_table))
                return -ENODEV;
 
        ret = toshiba_wmi_input_setup();
@@ -130,7 +142,7 @@ static int __init toshiba_wmi_init(void)
 
 static void __exit toshiba_wmi_exit(void)
 {
-       if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
+       if (wmi_has_guid(WMI_EVENT_GUID))
                toshiba_wmi_input_destroy();
 }
 
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c 
b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 0969cea1089a..2d867c5bfd9f 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -1275,9 +1275,9 @@ scsih_target_alloc(struct scsi_target *starget)
                        sas_target_priv_data->handle = raid_device->handle;
                        sas_target_priv_data->sas_address = raid_device->wwid;
                        sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
-                       sas_target_priv_data->raid_device = raid_device;
                        if (ioc->is_warpdrive)
-                               raid_device->starget = starget;
+                               sas_target_priv_data->raid_device = raid_device;
+                       raid_device->starget = starget;
                }
                spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
                return 0;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fc6674db4f2d..c44cbf46221c 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2257,6 +2257,8 @@ qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned 
long time)
 {
        scsi_qla_host_t *vha = shost_priv(shost);
 
+       if (test_bit(UNLOADING, &vha->dpc_flags))
+               return 1;
        if (!vha->host)
                return 1;
        if (time > vha->hw->loop_reset_delay * HZ)
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c 
b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 10c43dda0f5a..196da09e20a1 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -647,6 +647,7 @@ static void ad5933_work(struct work_struct *work)
        __be16 buf[2];
        int val[2];
        unsigned char status;
+       int ret;
 
        mutex_lock(&indio_dev->mlock);
        if (st->state == AD5933_CTRL_INIT_START_FREQ) {
@@ -654,19 +655,22 @@ static void ad5933_work(struct work_struct *work)
                ad5933_cmd(st, AD5933_CTRL_START_SWEEP);
                st->state = AD5933_CTRL_START_SWEEP;
                schedule_delayed_work(&st->work, st->poll_time_jiffies);
-               mutex_unlock(&indio_dev->mlock);
-               return;
+               goto out;
        }
 
-       ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
+       ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
+       if (ret)
+               goto out;
 
        if (status & AD5933_STAT_DATA_VALID) {
                int scan_count = bitmap_weight(indio_dev->active_scan_mask,
                                               indio_dev->masklength);
-               ad5933_i2c_read(st->client,
+               ret = ad5933_i2c_read(st->client,
                                test_bit(1, indio_dev->active_scan_mask) ?
                                AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA,
                                scan_count * 2, (u8 *)buf);
+               if (ret)
+                       goto out;
 
                if (scan_count == 2) {
                        val[0] = be16_to_cpu(buf[0]);
@@ -678,8 +682,7 @@ static void ad5933_work(struct work_struct *work)
        } else {
                /* no data available - try again later */
                schedule_delayed_work(&st->work, st->poll_time_jiffies);
-               mutex_unlock(&indio_dev->mlock);
-               return;
+               goto out;
        }
 
        if (status & AD5933_STAT_SWEEP_DONE) {
@@ -691,7 +694,7 @@ static void ad5933_work(struct work_struct *work)
                ad5933_cmd(st, AD5933_CTRL_INC_FREQ);
                schedule_delayed_work(&st->work, st->poll_time_jiffies);
        }
-
+out:
        mutex_unlock(&indio_dev->mlock);
 }
 
diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c
index 0922dd3a08d3..196f6b0a288f 100644
--- a/drivers/staging/nvec/nvec_ps2.c
+++ b/drivers/staging/nvec/nvec_ps2.c
@@ -106,13 +106,12 @@ static int nvec_mouse_probe(struct platform_device *pdev)
 {
        struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent);
        struct serio *ser_dev;
-       char mouse_reset[] = { NVEC_PS2, SEND_COMMAND, PSMOUSE_RST, 3 };
 
-       ser_dev = devm_kzalloc(&pdev->dev, sizeof(struct serio), GFP_KERNEL);
+       ser_dev = kzalloc(sizeof(struct serio), GFP_KERNEL);
        if (!ser_dev)
                return -ENOMEM;
 
-       ser_dev->id.type = SERIO_PS_PSTHRU;
+       ser_dev->id.type = SERIO_8042;
        ser_dev->write = ps2_sendcommand;
        ser_dev->start = ps2_startstreaming;
        ser_dev->stop = ps2_stopstreaming;
@@ -127,9 +126,6 @@ static int nvec_mouse_probe(struct platform_device *pdev)
 
        serio_register_port(ser_dev);
 
-       /* mouse reset */
-       nvec_write_async(nvec, mouse_reset, sizeof(mouse_reset));
-
        return 0;
 }
 
diff --git a/drivers/tty/serial/atmel_serial.c 
b/drivers/tty/serial/atmel_serial.c
index 7b5462eb8388..e0b89b961e1b 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2075,6 +2075,7 @@ static void atmel_serial_pm(struct uart_port *port, 
unsigned int state,
 static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
                              struct ktermios *old)
 {
+       struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
        unsigned long flags;
        unsigned int old_mode, mode, imr, quot, baud;
 
@@ -2178,11 +2179,29 @@ static void atmel_set_termios(struct uart_port *port, 
struct ktermios *termios,
                mode |= ATMEL_US_USMODE_RS485;
        } else if (termios->c_cflag & CRTSCTS) {
                /* RS232 with hardware handshake (RTS/CTS) */
-               if (atmel_use_dma_rx(port) && !atmel_use_fifo(port)) {
-                       dev_info(port->dev, "not enabling hardware flow control 
because DMA is used");
-                       termios->c_cflag &= ~CRTSCTS;
-               } else {
+               if (atmel_use_fifo(port) &&
+                   !mctrl_gpio_to_gpiod(atmel_port->gpios, UART_GPIO_CTS)) {
+                       /*
+                        * with ATMEL_US_USMODE_HWHS set, the controller will
+                        * be able to drive the RTS pin high/low when the RX
+                        * FIFO is above RXFTHRES/below RXFTHRES2.
+                        * It will also disable the transmitter when the CTS
+                        * pin is high.
+                        * This mode is not activated if CTS pin is a GPIO
+                        * because in this case, the transmitter is always
+                        * disabled (there must be an internal pull-up
+                        * responsible for this behaviour).
+                        * If the RTS pin is a GPIO, the controller won't be
+                        * able to drive it according to the FIFO thresholds,
+                        * but it will be handled by the driver.
+                        */
                        mode |= ATMEL_US_USMODE_HWHS;
+               } else {
+                       /*
+                        * For platforms without FIFO, the flow control is
+                        * handled by the driver.
+                        */
+                       mode |= ATMEL_US_USMODE_NORMAL;
                }
        } else {
                /* RS232 without hadware handshake */
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 7f374369e539..4d77745f439f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -877,8 +877,6 @@ static int wait_serial_change(struct acm *acm, unsigned 
long arg)
        DECLARE_WAITQUEUE(wait, current);
        struct async_icount old, new;
 
-       if (arg & (TIOCM_DSR | TIOCM_RI | TIOCM_CD ))
-               return -EINVAL;
        do {
                spin_lock_irq(&acm->read_lock);
                old = acm->oldcount;
diff --git a/drivers/usb/gadget/function/u_ether.c 
b/drivers/usb/gadget/function/u_ether.c
index b644248f4b8e..7413f89660f7 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -594,14 +594,6 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb,
 
        req->length = length;
 
-       /* throttle high/super speed IRQ rate back slightly */
-       if (gadget_is_dualspeed(dev->gadget))
-               req->no_interrupt = (((dev->gadget->speed == USB_SPEED_HIGH ||
-                                      dev->gadget->speed == USB_SPEED_SUPER)) 
&&
-                                       !list_empty(&dev->tx_reqs))
-                       ? ((atomic_read(&dev->tx_qlen) % dev->qmult) != 0)
-                       : 0;
-
        retval = usb_ep_queue(in, req, GFP_ATOMIC);
        switch (retval) {
        default:
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4bc9dbf29a73..3cff6523f27d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8691,9 +8691,14 @@ static void btrfs_invalidatepage(struct page *page, 
unsigned int offset,
         *    So even we call qgroup_free_data(), it won't decrease reserved
         *    space.
         * 2) Not written to disk
-        *    This means the reserved space should be freed here.
+        *    This means the reserved space should be freed here. However,
+        *    if a truncate invalidates the page (by clearing PageDirty)
+        *    and the page is accounted for while allocating extent
+        *    in btrfs_check_data_free_space() we let delayed_ref to
+        *    free the entire extent.
         */
-       btrfs_qgroup_free_data(inode, page_start, PAGE_CACHE_SIZE);
+       if (PageDirty(page))
+               btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE);
        if (!inode_evicting) {
                clear_extent_bit(tree, page_start, page_end,
                                 EXTENT_LOCKED | EXTENT_DIRTY |
diff --git a/fs/coredump.c b/fs/coredump.c
index dfc87c5f5a54..5d15c4975ba1 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -1,6 +1,7 @@
 #include <linux/slab.h>
 #include <linux/file.h>
 #include <linux/fdtable.h>
+#include <linux/freezer.h>
 #include <linux/mm.h>
 #include <linux/stat.h>
 #include <linux/fcntl.h>
@@ -399,7 +400,9 @@ static int coredump_wait(int exit_code, struct core_state 
*core_state)
        if (core_waiters > 0) {
                struct core_thread *ptr;
 
+               freezer_do_not_count();
                wait_for_completion(&core_state->startup);
+               freezer_count();
                /*
                 * Wait for all the threads to become inactive, so that
                 * all the thread context (extended register state, like
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 116a166b096f..27aa9c629d13 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -273,7 +273,7 @@ unsigned long gen_pool_alloc(struct gen_pool *pool, size_t 
size)
        struct gen_pool_chunk *chunk;
        unsigned long addr = 0;
        int order = pool->min_alloc_order;
-       int nbits, start_bit = 0, end_bit, remain;
+       int nbits, start_bit, end_bit, remain;
 
 #ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
        BUG_ON(in_nmi());
@@ -288,6 +288,7 @@ unsigned long gen_pool_alloc(struct gen_pool *pool, size_t 
size)
                if (size > atomic_read(&chunk->avail))
                        continue;
 
+               start_bit = 0;
                end_bit = chunk_size(chunk) >> order;
 retry:
                start_bit = pool->algo(chunk->bits, end_bit, start_bit, nbits,
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 58877312cf6b..c1a0f3dea8b5 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2225,6 +2225,8 @@ static unsigned long read_swap_header(struct 
swap_info_struct *p,
                swab32s(&swap_header->info.version);
                swab32s(&swap_header->info.last_page);
                swab32s(&swap_header->info.nr_badpages);
+               if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES)
+                       return 0;
                for (i = 0; i < swap_header->info.nr_badpages; i++)
                        swab32s(&swap_header->info.badpages[i]);
        }
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index a5d41dfa9f05..2c89f90cd7bc 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -401,7 +401,7 @@ static int nf_log_proc_dostring(struct ctl_table *table, 
int write,
        size_t size = *lenp;
        int r = 0;
        int tindex = (unsigned long)table->extra1;
-       struct net *net = current->nsproxy->net_ns;
+       struct net *net = table->extra2;
 
        if (write) {
                if (size > sizeof(buf))
@@ -453,7 +453,6 @@ static int netfilter_log_sysctl_init(struct net *net)
                                 3, "%d", i);
                        nf_log_sysctl_table[i].procname =
                                nf_log_sysctl_fnames[i];
-                       nf_log_sysctl_table[i].data = NULL;
                        nf_log_sysctl_table[i].maxlen = NFLOGGER_NAME_LEN;
                        nf_log_sysctl_table[i].mode = 0644;
                        nf_log_sysctl_table[i].proc_handler =
@@ -463,6 +462,9 @@ static int netfilter_log_sysctl_init(struct net *net)
                }
        }
 
+       for (i = NFPROTO_UNSPEC; i < NFPROTO_NUMPROTO; i++)
+               table[i].extra2 = net;
+
        net->nf.nf_log_dir_header = register_net_sysctl(net,
                                                "net/netfilter/nf_log",
                                                table);
diff --git a/sound/core/info.c b/sound/core/info.c
index 895362a696c9..8ab72e0f5932 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -325,10 +325,15 @@ static ssize_t snd_info_text_entry_write(struct file 
*file,
        size_t next;
        int err = 0;
 
+       if (!entry->c.text.write)
+               return -EIO;
        pos = *offset;
        if (!valid_pos(pos, count))
                return -EIO;
        next = pos + count;
+       /* don't handle too large text inputs */
+       if (next > 16 * 1024)
+               return -EIO;
        mutex_lock(&entry->access);
        buf = data->wbuffer;
        if (!buf) {
@@ -366,7 +371,9 @@ static int snd_info_seq_show(struct seq_file *seq, void *p)
        struct snd_info_private_data *data = seq->private;
        struct snd_info_entry *entry = data->entry;
 
-       if (entry->c.text.read) {
+       if (!entry->c.text.read) {
+               return -EIO;
+       } else {
                data->rbuffer->buffer = (char *)seq; /* XXX hack! */
                entry->c.text.read(entry, data->rbuffer);
        }
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index e07807d96b68..3670086b9227 100644
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -148,11 +148,11 @@ SND_SOC_DAPM_OUTPUT("AOUTR"),
 };
 
 static const struct snd_soc_dapm_route cs4270_dapm_routes[] = {
-       { "Capture", NULL, "AINA" },
-       { "Capture", NULL, "AINB" },
+       { "Capture", NULL, "AINL" },
+       { "Capture", NULL, "AINR" },
 
-       { "AOUTA", NULL, "Playback" },
-       { "AOUTB", NULL, "Playback" },
+       { "AOUTL", NULL, "Playback" },
+       { "AOUTR", NULL, "Playback" },
 };
 
 /**
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 1bb896d78d09..1a4999f9d56f 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -575,11 +575,11 @@ static struct snd_soc_card 
*sun4i_codec_create_card(struct device *dev)
 
        card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
        if (!card)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        card->dai_link = sun4i_codec_create_link(dev, &card->num_links);
        if (!card->dai_link)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        card->dev               = dev;
        card->name              = "sun4i-codec";
@@ -661,7 +661,8 @@ static int sun4i_codec_probe(struct platform_device *pdev)
        }
 
        card = sun4i_codec_create_card(&pdev->dev);
-       if (!card) {
+       if (IS_ERR(card)) {
+               ret = PTR_ERR(card);
                dev_err(&pdev->dev, "Failed to create our card\n");
                goto err_unregister_codec;
        }

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