diff --git a/Makefile b/Makefile
index 9720e863c06f..03c57e8163ff 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 14
-SUBLEVEL = 35
-EXTRAVERSION =
+SUBLEVEL = 36
+EXTRAVERSION = -rc1
 NAME = Remembering Coco
 
 # *DOCUMENTATION*
diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
index 15334ab66b56..fb95aa807215 100644
--- a/arch/arc/include/asm/processor.h
+++ b/arch/arc/include/asm/processor.h
@@ -69,18 +69,19 @@ unsigned long thread_saved_pc(struct task_struct *t);
 #define release_segments(mm)        do { } while (0)
 
 #define KSTK_EIP(tsk)   (task_pt_regs(tsk)->ret)
+#define KSTK_ESP(tsk)   (task_pt_regs(tsk)->sp)
 
 /*
  * Where abouts of Task's sp, fp, blink when it was last seen in kernel mode.
  * Look in process.c for details of kernel stack layout
  */
-#define KSTK_ESP(tsk)   (tsk->thread.ksp)
+#define TSK_K_ESP(tsk)		(tsk->thread.ksp)
 
-#define KSTK_REG(tsk, off)	(*((unsigned int *)(KSTK_ESP(tsk) + \
+#define TSK_K_REG(tsk, off)	(*((unsigned int *)(TSK_K_ESP(tsk) + \
 					sizeof(struct callee_regs) + off)))
 
-#define KSTK_BLINK(tsk) KSTK_REG(tsk, 4)
-#define KSTK_FP(tsk)    KSTK_REG(tsk, 0)
+#define TSK_K_BLINK(tsk)	TSK_K_REG(tsk, 4)
+#define TSK_K_FP(tsk)		TSK_K_REG(tsk, 0)
 
 /*
  * Do necessary setup to start up a newly executed thread.
diff --git a/arch/arc/kernel/stacktrace.c b/arch/arc/kernel/stacktrace.c
index 9ce47cfe2303..fb98769b6a98 100644
--- a/arch/arc/kernel/stacktrace.c
+++ b/arch/arc/kernel/stacktrace.c
@@ -64,9 +64,9 @@ static void seed_unwind_frame_info(struct task_struct *tsk,
 
 		frame_info->task = tsk;
 
-		frame_info->regs.r27 = KSTK_FP(tsk);
-		frame_info->regs.r28 = KSTK_ESP(tsk);
-		frame_info->regs.r31 = KSTK_BLINK(tsk);
+		frame_info->regs.r27 = TSK_K_FP(tsk);
+		frame_info->regs.r28 = TSK_K_ESP(tsk);
+		frame_info->regs.r31 = TSK_K_BLINK(tsk);
 		frame_info->regs.r63 = (unsigned int)__switch_to;
 
 		/* In the prologue of __switch_to, first FP is saved on stack
diff --git a/arch/mips/kvm/trace.h b/arch/mips/kvm/trace.h
index bc9e0f406c08..e51621e36152 100644
--- a/arch/mips/kvm/trace.h
+++ b/arch/mips/kvm/trace.h
@@ -26,18 +26,18 @@ TRACE_EVENT(kvm_exit,
 	    TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
 	    TP_ARGS(vcpu, reason),
 	    TP_STRUCT__entry(
-			__field(struct kvm_vcpu *, vcpu)
+			__field(unsigned long, pc)
 			__field(unsigned int, reason)
 	    ),
 
 	    TP_fast_assign(
-			__entry->vcpu = vcpu;
+			__entry->pc = vcpu->arch.pc;
 			__entry->reason = reason;
 	    ),
 
 	    TP_printk("[%s]PC: 0x%08lx",
 		      kvm_mips_exit_types_str[__entry->reason],
-		      __entry->vcpu->arch.pc)
+		      __entry->pc)
 );
 
 #endif /* _TRACE_KVM_H */
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 02553d6d183d..06469ee0f26e 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -542,11 +542,14 @@ ENTRY(ret_from_fork)
 	testl $3, CS-ARGOFFSET(%rsp)		# from kernel_thread?
 	jz   1f
 
-	testl $_TIF_IA32, TI_flags(%rcx)	# 32-bit compat task needs IRET
-	jnz  int_ret_from_sys_call
-
-	RESTORE_TOP_OF_STACK %rdi, -ARGOFFSET
-	jmp ret_from_sys_call			# go to the SYSRET fastpath
+	/*
+	 * By the time we get here, we have no idea whether our pt_regs,
+	 * ti flags, and ti status came from the 64-bit SYSCALL fast path,
+	 * the slow path, or one of the ia32entry paths.
+	 * Use int_ret_from_sys_call to return, since it can safely handle
+	 * all of the above.
+	 */
+	jmp  int_ret_from_sys_call
 
 1:
 	subq $REST_SKIP, %rsp	# leave space for volatiles
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 38d3751472e4..09651d4a9038 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4646,7 +4646,8 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt)
 		if (rc != X86EMUL_CONTINUE)
 			goto done;
 	}
-	ctxt->dst.orig_val = ctxt->dst.val;
+	/* Copy full 64-bit value for CMPXCHG8B.  */
+	ctxt->dst.orig_val64 = ctxt->dst.val64;
 
 special_insn:
 
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index bb0b90461a6b..997540dc8250 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2064,6 +2064,17 @@ EXPORT_SYMBOL(acpi_video_unregister);
 
 static int __init acpi_video_init(void)
 {
+	/*
+	 * Let the module load even if ACPI is disabled (e.g. due to
+	 * a broken BIOS) so that i915.ko can still be loaded on such
+	 * old systems without an AcpiOpRegion.
+	 *
+	 * acpi_video_register() will report -ENODEV later as well due
+	 * to acpi_disabled when i915.ko tries to register itself afterwards.
+	 */
+	if (acpi_disabled)
+		return 0;
+
 	dmi_check_system(video_dmi_table);
 
 	if (intel_opregion_present())
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index 4a58c55255bd..797bab97cea6 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -128,7 +128,7 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 	struct clk_init_data init;
 
 	if (clk_gate_flags & CLK_GATE_HIWORD_MASK) {
-		if (bit_idx > 16) {
+		if (bit_idx > 15) {
 			pr_err("gate bit exceeds LOWORD field\n");
 			return ERR_PTR(-EINVAL);
 		}
diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c
index 9e232644f07e..ea4db844aee3 100644
--- a/drivers/clk/sunxi/clk-factors.c
+++ b/drivers/clk/sunxi/clk-factors.c
@@ -62,7 +62,7 @@ static unsigned long clk_factors_recalc_rate(struct clk_hw *hw,
 		p = FACTOR_GET(config->pshift, config->pwidth, reg);
 
 	/* Calculate the rate */
-	rate = (parent_rate * n * (k + 1) >> p) / (m + 1);
+	rate = (parent_rate * (n + config->n_start) * (k + 1) >> p) / (m + 1);
 
 	return rate;
 }
diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h
index 02e1a43ebac7..d2d0efa39379 100644
--- a/drivers/clk/sunxi/clk-factors.h
+++ b/drivers/clk/sunxi/clk-factors.h
@@ -15,6 +15,7 @@ struct clk_factors_config {
 	u8 mwidth;
 	u8 pshift;
 	u8 pwidth;
+	u8 n_start;
 };
 
 struct clk_factors {
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index abb6c5ac8a10..06a14b808683 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -407,6 +407,7 @@ static struct clk_factors_config sun6i_a31_pll1_config = {
 	.kwidth = 2,
 	.mshift = 0,
 	.mwidth = 2,
+	.n_start = 1,
 };
 
 static struct clk_factors_config sun4i_pll5_config = {
diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
index 09dd0173ea0a..5f52f3f62644 100644
--- a/drivers/clk/zynq/clkc.c
+++ b/drivers/clk/zynq/clkc.c
@@ -300,6 +300,7 @@ static void __init zynq_clk_setup(struct device_node *np)
 	clks[cpu_2x] = clk_register_gate(NULL, clk_output_name[cpu_2x],
 			"cpu_2x_div", CLK_IGNORE_UNUSED, SLCR_ARM_CLK_CTRL,
 			26, 0, &armclk_lock);
+	clk_prepare_enable(clks[cpu_2x]);
 
 	clk = clk_register_fixed_factor(NULL, "cpu_1x_div", "cpu_div", 0, 1,
 			4 + 2 * tmp);
diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c
index 97cdd16a2169..c98b101a73ae 100644
--- a/drivers/firmware/efi/runtime-map.c
+++ b/drivers/firmware/efi/runtime-map.c
@@ -170,7 +170,7 @@ int __init efi_runtime_map_init(struct kobject *efi_kobj)
 
 	return 0;
 out_add_entry:
-	for (j = i - 1; j > 0; j--) {
+	for (j = i - 1; j >= 0; j--) {
 		entry = *(map_entries + j);
 		kobject_put(&entry->kobj);
 	}
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 8ef67cb4ef1e..f0ed0baddf70 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3558,7 +3558,21 @@ void cik_fence_gfx_ring_emit(struct radeon_device *rdev,
 	struct radeon_ring *ring = &rdev->ring[fence->ring];
 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
 
-	/* EVENT_WRITE_EOP - flush caches, send int */
+	/* Workaround for cache flush problems. First send a dummy EOP
+	 * event down the pipe with seq one below.
+	 */
+	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
+	radeon_ring_write(ring, (EOP_TCL1_ACTION_EN |
+				 EOP_TC_ACTION_EN |
+				 EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) |
+				 EVENT_INDEX(5)));
+	radeon_ring_write(ring, addr & 0xfffffffc);
+	radeon_ring_write(ring, (upper_32_bits(addr) & 0xffff) |
+				DATA_SEL(1) | INT_SEL(0));
+	radeon_ring_write(ring, fence->seq - 1);
+	radeon_ring_write(ring, 0);
+
+	/* Then send the real EOP event down the pipe. */
 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
 	radeon_ring_write(ring, (EOP_TCL1_ACTION_EN |
 				 EOP_TC_ACTION_EN |
@@ -6809,7 +6823,6 @@ int cik_irq_set(struct radeon_device *rdev)
 	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
 	u32 grbm_int_cntl = 0;
 	u32 dma_cntl, dma_cntl1;
-	u32 thermal_int;
 
 	if (!rdev->irq.installed) {
 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
@@ -6846,13 +6859,6 @@ int cik_irq_set(struct radeon_device *rdev)
 	cp_m2p2 = RREG32(CP_ME2_PIPE2_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
 	cp_m2p3 = RREG32(CP_ME2_PIPE3_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
 
-	if (rdev->flags & RADEON_IS_IGP)
-		thermal_int = RREG32_SMC(CG_THERMAL_INT_CTRL) &
-			~(THERM_INTH_MASK | THERM_INTL_MASK);
-	else
-		thermal_int = RREG32_SMC(CG_THERMAL_INT) &
-			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
-
 	/* enable CP interrupts on all rings */
 	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
 		DRM_DEBUG("cik_irq_set: sw int gfx\n");
@@ -7010,14 +7016,6 @@ int cik_irq_set(struct radeon_device *rdev)
 		hpd6 |= DC_HPDx_INT_EN;
 	}
 
-	if (rdev->irq.dpm_thermal) {
-		DRM_DEBUG("dpm thermal\n");
-		if (rdev->flags & RADEON_IS_IGP)
-			thermal_int |= THERM_INTH_MASK | THERM_INTL_MASK;
-		else
-			thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
-	}
-
 	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
 
 	WREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET, dma_cntl);
@@ -7071,11 +7069,6 @@ int cik_irq_set(struct radeon_device *rdev)
 	WREG32(DC_HPD5_INT_CONTROL, hpd5);
 	WREG32(DC_HPD6_INT_CONTROL, hpd6);
 
-	if (rdev->flags & RADEON_IS_IGP)
-		WREG32_SMC(CG_THERMAL_INT_CTRL, thermal_int);
-	else
-		WREG32_SMC(CG_THERMAL_INT, thermal_int);
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 351db361239d..c7c7bc5d573f 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -1121,6 +1121,19 @@ void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable)
 	}
 }
 
+static void kv_enable_thermal_int(struct radeon_device *rdev, bool enable)
+{
+	u32 thermal_int;
+
+	thermal_int = RREG32_SMC(CG_THERMAL_INT_CTRL);
+	if (enable)
+		thermal_int |= THERM_INTH_MASK | THERM_INTL_MASK;
+	else
+		thermal_int &= ~(THERM_INTH_MASK | THERM_INTL_MASK);
+	WREG32_SMC(CG_THERMAL_INT_CTRL, thermal_int);
+
+}
+
 int kv_dpm_enable(struct radeon_device *rdev)
 {
 	struct kv_power_info *pi = kv_get_pi(rdev);
@@ -1232,8 +1245,7 @@ int kv_dpm_late_enable(struct radeon_device *rdev)
 			DRM_ERROR("kv_set_thermal_temperature_range failed\n");
 			return ret;
 		}
-		rdev->irq.dpm_thermal = true;
-		radeon_irq_set(rdev);
+		kv_enable_thermal_int(rdev, true);
 	}
 
 	/* powerdown unused blocks for now */
@@ -1261,6 +1273,7 @@ void kv_dpm_disable(struct radeon_device *rdev)
 	kv_stop_dpm(rdev);
 	kv_enable_ulv(rdev, false);
 	kv_reset_am(rdev);
+	kv_enable_thermal_int(rdev, false);
 
 	kv_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
 }
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index bf6300cfd62d..f8c01b8d1594 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -1073,12 +1073,12 @@ static void cayman_gpu_init(struct radeon_device *rdev)
 
 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
 	    (rdev->flags & RADEON_IS_IGP)) {
-		if ((disabled_rb_mask & 3) == 1) {
-			/* RB0 disabled, RB1 enabled */
-			tmp = 0x11111111;
-		} else {
+		if ((disabled_rb_mask & 3) == 2) {
 			/* RB1 disabled, RB0 enabled */
 			tmp = 0x00000000;
+		} else {
+			/* RB0 disabled, RB1 enabled */
+			tmp = 0x11111111;
 		}
 	} else {
 		tmp = gb_addr_config & NUM_PIPES_MASK;
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index 3334f916945b..e98108236e04 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -187,7 +187,7 @@ u32 r600_dpm_get_vrefresh(struct radeon_device *rdev)
 		list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 			radeon_crtc = to_radeon_crtc(crtc);
 			if (crtc->enabled && radeon_crtc->enabled && radeon_crtc->hw_mode.clock) {
-				vrefresh = radeon_crtc->hw_mode.vrefresh;
+				vrefresh = drm_mode_vrefresh(&radeon_crtc->hw_mode);
 				break;
 			}
 		}
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index e2de749327ad..2fa3cf615a67 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -3272,6 +3272,7 @@ int radeon_atom_get_voltage_evv(struct radeon_device *rdev,
 
 	args.in.ucVoltageType = VOLTAGE_TYPE_VDDC;
 	args.in.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
+	args.in.usVoltageLevel = cpu_to_le16(virtual_voltage_id);
 	args.in.ulSCLKFreq =
 		cpu_to_le32(rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk.entries[entry_id].clk);
 
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 4b87bb164f30..a413f76e84d4 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1066,6 +1066,23 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
 		return;
 	}
 
+	/*
+	 * Ignore reports for absolute data if the data didn't change. This is
+	 * not only an optimization but also fixes 'dead' key reports. Some
+	 * RollOver implementations for localized keys (like BACKSLASH/PIPE; HID
+	 * 0x31 and 0x32) report multiple keys, even though a localized keyboard
+	 * can only have one of them physically available. The 'dead' keys
+	 * report constant 0. As all map to the same keycode, they'd confuse
+	 * the input layer. If we filter the 'dead' keys on the HID level, we
+	 * skip the keycode translation and only forward real events.
+	 */
+	if (!(field->flags & (HID_MAIN_ITEM_RELATIVE |
+	                      HID_MAIN_ITEM_BUFFERED_BYTE)) &&
+			      (field->flags & HID_MAIN_ITEM_VARIABLE) &&
+	    usage->usage_index < field->maxusage &&
+	    value == field->value[usage->usage_index])
+		return;
+
 	/* report the usage code as scancode if the key status has changed */
 	if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
 		input_event(input, EV_MSC, MSC_SCAN, usage->hid);
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 47dcb34ff44c..3a615f3b5d80 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -57,20 +57,11 @@
 		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SAMP_FREQ), \
 	}
 
-/* LSB is in nV to eliminate floating point */
-static const u32 rates_to_lsb[] = {1000000, 250000, 62500, 15625};
-
-/*
- *  scales calculated as:
- *  rates_to_lsb[sample_rate] / (1 << pga);
- *  pga is 1 for 0, 2
- */
-
 static const int mcp3422_scales[4][4] = {
-	{ 1000000, 250000, 62500, 15625 },
-	{ 500000 , 125000, 31250, 7812 },
-	{ 250000 , 62500 , 15625, 3906 },
-	{ 125000 , 31250 , 7812 , 1953 } };
+	{ 1000000, 500000, 250000, 125000 },
+	{ 250000 , 125000, 62500 , 31250  },
+	{ 62500  , 31250 , 15625 , 7812   },
+	{ 15625  , 7812  , 3906  , 1953   } };
 
 /* Constant msleep times for data acquisitions */
 static const int mcp3422_read_times[4] = {
diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 17aca4d9bd06..861ba3d60163 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -322,7 +322,7 @@ static int ad5686_probe(struct spi_device *spi)
 	st = iio_priv(indio_dev);
 	spi_set_drvdata(spi, indio_dev);
 
-	st->reg = devm_regulator_get(&spi->dev, "vcc");
+	st->reg = devm_regulator_get_optional(&spi->dev, "vcc");
 	if (!IS_ERR(st->reg)) {
 		ret = regulator_enable(st->reg);
 		if (ret)
diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 7c582f7ae34e..70753bf23a86 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -26,6 +26,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/debugfs.h>
+#include <linux/bitops.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
@@ -447,7 +448,7 @@ static int adis16400_read_raw(struct iio_dev *indio_dev,
 		mutex_unlock(&indio_dev->mlock);
 		if (ret)
 			return ret;
-		val16 = ((val16 & 0xFFF) << 4) >> 4;
+		val16 = sign_extend32(val16, 11);
 		*val = val16;
 		return IIO_VAL_INT;
 	case IIO_CHAN_INFO_OFFSET:
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 56a4b7ca7ee3..45d67e9228d7 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1124,6 +1124,9 @@ static int ucma_set_ib_path(struct ucma_context *ctx,
 	if (!optlen)
 		return -EINVAL;
 
+	memset(&sa_path, 0, sizeof(sa_path));
+	sa_path.vlan_id = 0xffff;
+
 	ib_sa_unpack_path(path_data->path_rec, &sa_path);
 	ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1);
 	if (ret)
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 23467a2abd62..2adc14372b94 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1964,20 +1964,21 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file,
 	if (qp->real_qp == qp) {
 		ret = ib_resolve_eth_l2_attrs(qp, attr, &cmd.attr_mask);
 		if (ret)
-			goto out;
+			goto release_qp;
 		ret = qp->device->modify_qp(qp, attr,
 			modify_qp_mask(qp->qp_type, cmd.attr_mask), &udata);
 	} else {
 		ret = ib_modify_qp(qp, attr, modify_qp_mask(qp->qp_type, cmd.attr_mask));
 	}
 
-	put_qp_read(qp);
-
 	if (ret)
-		goto out;
+		goto release_qp;
 
 	ret = in_len;
 
+release_qp:
+	put_qp_read(qp);
+
 out:
 	kfree(attr);
 
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 11f0606792bb..1a3d924744cc 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1161,8 +1161,7 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
 	u64 reg_id;
 	struct mlx4_ib_steering *ib_steering = NULL;
-	enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ?
-		MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6;
+	enum mlx4_protocol prot = MLX4_PROT_IB_IPV6;
 
 	if (mdev->dev->caps.steering_mode ==
 	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
@@ -1175,8 +1174,10 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 				    !!(mqp->flags &
 				       MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
 				    prot, &reg_id);
-	if (err)
+	if (err) {
+		pr_err("multicast attach op failed, err %d\n", err);
 		goto err_malloc;
+	}
 
 	err = add_gid_entry(ibqp, gid);
 	if (err)
@@ -1224,8 +1225,7 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 	struct net_device *ndev;
 	struct mlx4_ib_gid_entry *ge;
 	u64 reg_id = 0;
-	enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ?
-		MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6;
+	enum mlx4_protocol prot =  MLX4_PROT_IB_IPV6;
 
 	if (mdev->dev->caps.steering_mode ==
 	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 1946101419a3..675d3c796b9f 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1080,12 +1080,6 @@ struct qib_devdata {
 	/* control high-level access to EEPROM */
 	struct mutex eep_lock;
 	uint64_t traffic_wds;
-	/* active time is kept in seconds, but logged in hours */
-	atomic_t active_time;
-	/* Below are nominal shadow of EEPROM, new since last EEPROM update */
-	uint8_t eep_st_errs[QIB_EEP_LOG_CNT];
-	uint8_t eep_st_new_errs[QIB_EEP_LOG_CNT];
-	uint16_t eep_hrs;
 	/*
 	 * masks for which bits of errs, hwerrs that cause
 	 * each of the counters to increment.
@@ -1307,8 +1301,7 @@ int qib_twsi_blk_rd(struct qib_devdata *dd, int dev, int addr, void *buffer,
 int qib_twsi_blk_wr(struct qib_devdata *dd, int dev, int addr,
 		    const void *buffer, int len);
 void qib_get_eeprom_info(struct qib_devdata *);
-int qib_update_eeprom_log(struct qib_devdata *dd);
-void qib_inc_eeprom_err(struct qib_devdata *dd, u32 eidx, u32 incr);
+#define qib_inc_eeprom_err(dd, eidx, incr)
 void qib_dump_lookup_output_queue(struct qib_devdata *);
 void qib_force_pio_avail_update(struct qib_devdata *);
 void qib_clear_symerror_on_linkup(unsigned long opaque);
diff --git a/drivers/infiniband/hw/qib/qib_eeprom.c b/drivers/infiniband/hw/qib/qib_eeprom.c
index 4d5d71aaa2b4..e2280b07df02 100644
--- a/drivers/infiniband/hw/qib/qib_eeprom.c
+++ b/drivers/infiniband/hw/qib/qib_eeprom.c
@@ -267,190 +267,9 @@ void qib_get_eeprom_info(struct qib_devdata *dd)
 			"Board SN %s did not pass functional test: %s\n",
 			dd->serial, ifp->if_comment);
 
-	memcpy(&dd->eep_st_errs, &ifp->if_errcntp, QIB_EEP_LOG_CNT);
-	/*
-	 * Power-on (actually "active") hours are kept as little-endian value
-	 * in EEPROM, but as seconds in a (possibly as small as 24-bit)
-	 * atomic_t while running.
-	 */
-	atomic_set(&dd->active_time, 0);
-	dd->eep_hrs = ifp->if_powerhour[0] | (ifp->if_powerhour[1] << 8);
-
 done:
 	vfree(buf);
 
 bail:;
 }
 
-/**
- * qib_update_eeprom_log - copy active-time and error counters to eeprom
- * @dd: the qlogic_ib device
- *
- * Although the time is kept as seconds in the qib_devdata struct, it is
- * rounded to hours for re-write, as we have only 16 bits in EEPROM.
- * First-cut code reads whole (expected) struct qib_flash, modifies,
- * re-writes. Future direction: read/write only what we need, assuming
- * that the EEPROM had to have been "good enough" for driver init, and
- * if not, we aren't making it worse.
- *
- */
-int qib_update_eeprom_log(struct qib_devdata *dd)
-{
-	void *buf;
-	struct qib_flash *ifp;
-	int len, hi_water;
-	uint32_t new_time, new_hrs;
-	u8 csum;
-	int ret, idx;
-	unsigned long flags;
-
-	/* first, check if we actually need to do anything. */
-	ret = 0;
-	for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
-		if (dd->eep_st_new_errs[idx]) {
-			ret = 1;
-			break;
-		}
-	}
-	new_time = atomic_read(&dd->active_time);
-
-	if (ret == 0 && new_time < 3600)
-		goto bail;
-
-	/*
-	 * The quick-check above determined that there is something worthy
-	 * of logging, so get current contents and do a more detailed idea.
-	 * read full flash, not just currently used part, since it may have
-	 * been written with a newer definition
-	 */
-	len = sizeof(struct qib_flash);
-	buf = vmalloc(len);
-	ret = 1;
-	if (!buf) {
-		qib_dev_err(dd,
-			"Couldn't allocate memory to read %u bytes from eeprom for logging\n",
-			len);
-		goto bail;
-	}
-
-	/* Grab semaphore and read current EEPROM. If we get an
-	 * error, let go, but if not, keep it until we finish write.
-	 */
-	ret = mutex_lock_interruptible(&dd->eep_lock);
-	if (ret) {
-		qib_dev_err(dd, "Unable to acquire EEPROM for logging\n");
-		goto free_bail;
-	}
-	ret = qib_twsi_blk_rd(dd, dd->twsi_eeprom_dev, 0, buf, len);
-	if (ret) {
-		mutex_unlock(&dd->eep_lock);
-		qib_dev_err(dd, "Unable read EEPROM for logging\n");
-		goto free_bail;
-	}
-	ifp = (struct qib_flash *)buf;
-
-	csum = flash_csum(ifp, 0);
-	if (csum != ifp->if_csum) {
-		mutex_unlock(&dd->eep_lock);
-		qib_dev_err(dd, "EEPROM cks err (0x%02X, S/B 0x%02X)\n",
-			    csum, ifp->if_csum);
-		ret = 1;
-		goto free_bail;
-	}
-	hi_water = 0;
-	spin_lock_irqsave(&dd->eep_st_lock, flags);
-	for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
-		int new_val = dd->eep_st_new_errs[idx];
-		if (new_val) {
-			/*
-			 * If we have seen any errors, add to EEPROM values
-			 * We need to saturate at 0xFF (255) and we also
-			 * would need to adjust the checksum if we were
-			 * trying to minimize EEPROM traffic
-			 * Note that we add to actual current count in EEPROM,
-			 * in case it was altered while we were running.
-			 */
-			new_val += ifp->if_errcntp[idx];
-			if (new_val > 0xFF)
-				new_val = 0xFF;
-			if (ifp->if_errcntp[idx] != new_val) {
-				ifp->if_errcntp[idx] = new_val;
-				hi_water = offsetof(struct qib_flash,
-						    if_errcntp) + idx;
-			}
-			/*
-			 * update our shadow (used to minimize EEPROM
-			 * traffic), to match what we are about to write.
-			 */
-			dd->eep_st_errs[idx] = new_val;
-			dd->eep_st_new_errs[idx] = 0;
-		}
-	}
-	/*
-	 * Now update active-time. We would like to round to the nearest hour
-	 * but unless atomic_t are sure to be proper signed ints we cannot,
-	 * because we need to account for what we "transfer" to EEPROM and
-	 * if we log an hour at 31 minutes, then we would need to set
-	 * active_time to -29 to accurately count the _next_ hour.
-	 */
-	if (new_time >= 3600) {
-		new_hrs = new_time / 3600;
-		atomic_sub((new_hrs * 3600), &dd->active_time);
-		new_hrs += dd->eep_hrs;
-		if (new_hrs > 0xFFFF)
-			new_hrs = 0xFFFF;
-		dd->eep_hrs = new_hrs;
-		if ((new_hrs & 0xFF) != ifp->if_powerhour[0]) {
-			ifp->if_powerhour[0] = new_hrs & 0xFF;
-			hi_water = offsetof(struct qib_flash, if_powerhour);
-		}
-		if ((new_hrs >> 8) != ifp->if_powerhour[1]) {
-			ifp->if_powerhour[1] = new_hrs >> 8;
-			hi_water = offsetof(struct qib_flash, if_powerhour) + 1;
-		}
-	}
-	/*
-	 * There is a tiny possibility that we could somehow fail to write
-	 * the EEPROM after updating our shadows, but problems from holding
-	 * the spinlock too long are a much bigger issue.
-	 */
-	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
-	if (hi_water) {
-		/* we made some change to the data, uopdate cksum and write */
-		csum = flash_csum(ifp, 1);
-		ret = eeprom_write_with_enable(dd, 0, buf, hi_water + 1);
-	}
-	mutex_unlock(&dd->eep_lock);
-	if (ret)
-		qib_dev_err(dd, "Failed updating EEPROM\n");
-
-free_bail:
-	vfree(buf);
-bail:
-	return ret;
-}
-
-/**
- * qib_inc_eeprom_err - increment one of the four error counters
- * that are logged to EEPROM.
- * @dd: the qlogic_ib device
- * @eidx: 0..3, the counter to increment
- * @incr: how much to add
- *
- * Each counter is 8-bits, and saturates at 255 (0xFF). They
- * are copied to the EEPROM (aka flash) whenever qib_update_eeprom_log()
- * is called, but it can only be called in a context that allows sleep.
- * This function can be called even at interrupt level.
- */
-void qib_inc_eeprom_err(struct qib_devdata *dd, u32 eidx, u32 incr)
-{
-	uint new_val;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dd->eep_st_lock, flags);
-	new_val = dd->eep_st_new_errs[eidx] + incr;
-	if (new_val > 255)
-		new_val = 255;
-	dd->eep_st_new_errs[eidx] = new_val;
-	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
-}
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index 84e593d6007b..295f6312e6a9 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -2682,8 +2682,6 @@ static void qib_get_6120_faststats(unsigned long opaque)
 	spin_lock_irqsave(&dd->eep_st_lock, flags);
 	traffic_wds -= dd->traffic_wds;
 	dd->traffic_wds += traffic_wds;
-	if (traffic_wds  >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
-		atomic_add(5, &dd->active_time); /* S/B #define */
 	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
 
 	qib_chk_6120_errormask(dd);
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 454c2e7668fe..c86e71b9e160 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -3299,8 +3299,6 @@ static void qib_get_7220_faststats(unsigned long opaque)
 	spin_lock_irqsave(&dd->eep_st_lock, flags);
 	traffic_wds -= dd->traffic_wds;
 	dd->traffic_wds += traffic_wds;
-	if (traffic_wds  >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
-		atomic_add(5, &dd->active_time); /* S/B #define */
 	spin_unlock_irqrestore(&dd->eep_st_lock, flags);
 done:
 	mod_timer(&dd->stats_timer, jiffies + HZ * ACTIVITY_TIMER);
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index d1bd21319d7d..0f8d1f0bd929 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -5191,8 +5191,6 @@ static void qib_get_7322_faststats(unsigned long opaque)
 		spin_lock_irqsave(&ppd->dd->eep_st_lock, flags);
 		traffic_wds -= ppd->dd->traffic_wds;
 		ppd->dd->traffic_wds += traffic_wds;
-		if (traffic_wds >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
-			atomic_add(ACTIVITY_TIMER, &ppd->dd->active_time);
 		spin_unlock_irqrestore(&ppd->dd->eep_st_lock, flags);
 		if (ppd->cpspec->qdr_dfe_on && (ppd->link_speed_active &
 						QIB_IB_QDR) &&
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 76c3e177164d..8c9bb6c35838 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -922,7 +922,6 @@ static void qib_shutdown_device(struct qib_devdata *dd)
 		}
 	}
 
-	qib_update_eeprom_log(dd);
 }
 
 /**
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 3c8e4e3caca6..b9ccbda7817d 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -611,28 +611,6 @@ bail:
 	return ret < 0 ? ret : count;
 }
 
-static ssize_t show_logged_errs(struct device *device,
-				struct device_attribute *attr, char *buf)
-{
-	struct qib_ibdev *dev =
-		container_of(device, struct qib_ibdev, ibdev.dev);
-	struct qib_devdata *dd = dd_from_dev(dev);
-	int idx, count;
-
-	/* force consistency with actual EEPROM */
-	if (qib_update_eeprom_log(dd) != 0)
-		return -ENXIO;
-
-	count = 0;
-	for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
-		count += scnprintf(buf + count, PAGE_SIZE - count, "%d%c",
-				   dd->eep_st_errs[idx],
-				   idx == (QIB_EEP_LOG_CNT - 1) ? '\n' : ' ');
-	}
-
-	return count;
-}
-
 /*
  * Dump tempsense regs. in decimal, to ease shell-scripts.
  */
@@ -679,7 +657,6 @@ static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL);
 static DEVICE_ATTR(nfreectxts, S_IRUGO, show_nfreectxts, NULL);
 static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL);
 static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL);
-static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
 static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL);
 static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL);
 static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset);
@@ -693,7 +670,6 @@ static struct device_attribute *qib_attributes[] = {
 	&dev_attr_nfreectxts,
 	&dev_attr_serial,
 	&dev_attr_boardversion,
-	&dev_attr_logged_errors,
 	&dev_attr_tempsense,
 	&dev_attr_localbus_info,
 	&dev_attr_chip_reset,
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 05f371df6c40..d4b0a31ab66b 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -700,6 +700,12 @@ static int wacom_intuos_irq(struct wacom_wac *wacom)
 			input_report_key(input, BTN_7, (data[4] & 0x40));  /* Left   */
 			input_report_key(input, BTN_8, (data[4] & 0x80));  /* Down   */
 			input_report_key(input, BTN_0, (data[3] & 0x01));  /* Center */
+
+			if (data[4] | (data[3] & 0x01)) {
+				input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
+			} else {
+				input_report_abs(input, ABS_MISC, 0);
+			}
 		} else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
 			int i;
 
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index db404a0f7e2c..d2a8d64f8526 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -292,6 +292,12 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
 	unsigned short logical_block_size = queue_logical_block_size(q);
 	sector_t num_sectors;
 
+	/* Reject unsupported discard requests */
+	if ((rw & REQ_DISCARD) && !blk_queue_discard(q)) {
+		dec_count(io, region, -EOPNOTSUPP);
+		return;
+	}
+
 	/*
 	 * where->count may be zero if rw holds a flush and we need to
 	 * send a zero-sized flush.
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 7dfdb5c746d6..089d62751f7f 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -604,6 +604,15 @@ static void write_callback(unsigned long error, void *context)
 		return;
 	}
 
+	/*
+	 * If the bio is discard, return an error, but do not
+	 * degrade the array.
+	 */
+	if (bio->bi_rw & REQ_DISCARD) {
+		bio_endio(bio, -EOPNOTSUPP);
+		return;
+	}
+
 	for (i = 0; i < ms->nr_mirrors; i++)
 		if (test_bit(i, &error))
 			fail_mirror(ms->mirror + i, DM_RAID1_WRITE_ERROR);
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index ebddef5237e4..c356a10b9ba5 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1440,8 +1440,6 @@ out:
 		full_bio->bi_private = pe->full_bio_private;
 		atomic_inc(&full_bio->bi_remaining);
 	}
-	free_pending_exception(pe);
-
 	increment_pending_exceptions_done_count();
 
 	up_write(&s->lock);
@@ -1458,6 +1456,8 @@ out:
 	}
 
 	retry_origin_bios(s, origin_bios);
+
+	free_pending_exception(pe);
 }
 
 static void commit_callback(void *context, int success)
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 65ee3a0d4683..1582c3dac3ac 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2288,7 +2288,7 @@ int dm_setup_md_queue(struct mapped_device *md)
 	return 0;
 }
 
-static struct mapped_device *dm_find_md(dev_t dev)
+struct mapped_device *dm_get_md(dev_t dev)
 {
 	struct mapped_device *md;
 	unsigned minor = MINOR(dev);
@@ -2299,12 +2299,15 @@ static struct mapped_device *dm_find_md(dev_t dev)
 	spin_lock(&_minor_lock);
 
 	md = idr_find(&_minor_idr, minor);
-	if (md && (md == MINOR_ALLOCED ||
-		   (MINOR(disk_devt(dm_disk(md))) != minor) ||
-		   dm_deleting_md(md) ||
-		   test_bit(DMF_FREEING, &md->flags))) {
-		md = NULL;
-		goto out;
+	if (md) {
+		if ((md == MINOR_ALLOCED ||
+		     (MINOR(disk_devt(dm_disk(md))) != minor) ||
+		     dm_deleting_md(md) ||
+		     test_bit(DMF_FREEING, &md->flags))) {
+			md = NULL;
+			goto out;
+		}
+		dm_get(md);
 	}
 
 out:
@@ -2312,16 +2315,6 @@ out:
 
 	return md;
 }
-
-struct mapped_device *dm_get_md(dev_t dev)
-{
-	struct mapped_device *md = dm_find_md(dev);
-
-	if (md)
-		dm_get(md);
-
-	return md;
-}
 EXPORT_SYMBOL_GPL(dm_get_md);
 
 void *dm_get_mdptr(struct mapped_device *md)
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index cdd31c2a2a2b..b2965382d0ec 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -275,6 +275,8 @@ void mei_stop(struct mei_device *dev)
 
 	dev->dev_state = MEI_DEV_POWER_DOWN;
 	mei_reset(dev);
+	/* move device to disabled state unconditionally */
+	dev->dev_state = MEI_DEV_DISABLED;
 
 	mutex_unlock(&dev->device_lock);
 
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 07c942b6ae01..e8c21f911b6f 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -637,12 +637,15 @@ static void macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
 	} /* else everything is zero */
 }
 
+/* Neighbour code has some assumptions on HH_DATA_MOD alignment */
+#define MACVTAP_RESERVE HH_DATA_OFF(ETH_HLEN)
+
 /* Get packet from user space buffer */
 static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
 				const struct iovec *iv, unsigned long total_len,
 				size_t count, int noblock)
 {
-	int good_linear = SKB_MAX_HEAD(NET_IP_ALIGN);
+	int good_linear = SKB_MAX_HEAD(MACVTAP_RESERVE);
 	struct sk_buff *skb;
 	struct macvlan_dev *vlan;
 	unsigned long len = total_len;
@@ -701,7 +704,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
 			linear = vnet_hdr.hdr_len;
 	}
 
-	skb = macvtap_alloc_skb(&q->sk, NET_IP_ALIGN, copylen,
+	skb = macvtap_alloc_skb(&q->sk, MACVTAP_RESERVE, copylen,
 				linear, noblock, &err);
 	if (!skb)
 		goto err;
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 76d96b9ebcdb..1d568788c3e3 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -194,6 +194,25 @@ static inline unsigned int phy_find_valid(unsigned int idx, u32 features)
 }
 
 /**
+ * phy_check_valid - check if there is a valid PHY setting which matches
+ *		     speed, duplex, and feature mask
+ * @speed: speed to match
+ * @duplex: duplex to match
+ * @features: A mask of the valid settings
+ *
+ * Description: Returns true if there is a valid setting, false otherwise.
+ */
+static inline bool phy_check_valid(int speed, int duplex, u32 features)
+{
+	unsigned int idx;
+
+	idx = phy_find_valid(phy_find_setting(speed, duplex), features);
+
+	return settings[idx].speed == speed && settings[idx].duplex == duplex &&
+		(settings[idx].setting & features);
+}
+
+/**
  * phy_sanitize_settings - make sure the PHY is set to supported speed and duplex
  * @phydev: the target phy_device struct
  *
@@ -955,7 +974,6 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
 		int eee_lp, eee_cap, eee_adv;
 		u32 lp, cap, adv;
 		int status;
-		unsigned int idx;
 
 		/* Read phy status to properly get the right settings */
 		status = phy_read_status(phydev);
@@ -987,8 +1005,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
 
 		adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
 		lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
-		idx = phy_find_setting(phydev->speed, phydev->duplex);
-		if (!(lp & adv & settings[idx].setting))
+		if (!phy_check_valid(phydev->speed, phydev->duplex, lp & adv))
 			return -EPROTONOSUPPORT;
 
 		if (clk_stop_enable) {
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 32efe8371ff8..c28e2dafb3f0 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -42,9 +42,7 @@
 
 static struct team_port *team_port_get_rcu(const struct net_device *dev)
 {
-	struct team_port *port = rcu_dereference(dev->rx_handler_data);
-
-	return team_port_exists(dev) ? port : NULL;
+	return rcu_dereference(dev->rx_handler_data);
 }
 
 static struct team_port *team_port_get_rtnl(const struct net_device *dev)
@@ -1725,11 +1723,11 @@ static int team_set_mac_address(struct net_device *dev, void *p)
 	if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
-	rcu_read_lock();
-	list_for_each_entry_rcu(port, &team->port_list, list)
+	mutex_lock(&team->lock);
+	list_for_each_entry(port, &team->port_list, list)
 		if (team->ops.port_change_dev_addr)
 			team->ops.port_change_dev_addr(team, port);
-	rcu_read_unlock();
+	mutex_unlock(&team->lock);
 	return 0;
 }
 
diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c
index 3d18bb0eee85..1bfe0fcaccf5 100644
--- a/drivers/net/usb/plusb.c
+++ b/drivers/net/usb/plusb.c
@@ -134,6 +134,11 @@ static const struct usb_device_id	products [] = {
 }, {
 	USB_DEVICE(0x050d, 0x258a),     /* Belkin F5U258/F5U279 (PL-25A1) */
 	.driver_info =  (unsigned long) &prolific_info,
+}, {
+	USB_DEVICE(0x3923, 0x7825),     /* National Instruments USB
+					 * Host-to-Host Cable
+					 */
+	.driver_info =  (unsigned long) &prolific_info,
 },
 
 	{ },		// END
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index a3399c4f13a9..b9b651ea9851 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -478,7 +478,7 @@ ath5k_hw_wisoc_reset(struct ath5k_hw *ah, u32 flags)
 	regval = ioread32(reg);
 	iowrite32(regval | val, reg);
 	regval = ioread32(reg);
-	usleep_range(100, 150);
+	udelay(100);	/* NB: should be atomic */
 
 	/* Bring BB/MAC out of reset */
 	iowrite32(regval & ~val, reg);
diff --git a/drivers/net/wireless/ath/ath6kl/hif.h b/drivers/net/wireless/ath/ath6kl/hif.h
index 61f6b21fb0ae..dc6bd8cd9b83 100644
--- a/drivers/net/wireless/ath/ath6kl/hif.h
+++ b/drivers/net/wireless/ath/ath6kl/hif.h
@@ -197,9 +197,9 @@ struct hif_scatter_req {
 	/* bounce buffer for upper layers to copy to/from */
 	u8 *virt_dma_buf;
 
-	struct hif_scatter_item scat_list[1];
-
 	u32 scat_q_depth;
+
+	struct hif_scatter_item scat_list[0];
 };
 
 struct ath6kl_irq_proc_registers {
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c
index 7126bdd4236c..6bf15a331714 100644
--- a/drivers/net/wireless/ath/ath6kl/sdio.c
+++ b/drivers/net/wireless/ath/ath6kl/sdio.c
@@ -348,7 +348,7 @@ static int ath6kl_sdio_alloc_prep_scat_req(struct ath6kl_sdio *ar_sdio,
 	int i, scat_req_sz, scat_list_sz, size;
 	u8 *virt_buf;
 
-	scat_list_sz = (n_scat_entry - 1) * sizeof(struct hif_scatter_item);
+	scat_list_sz = n_scat_entry * sizeof(struct hif_scatter_item);
 	scat_req_sz = sizeof(*s_req) + scat_list_sz;
 
 	if (!virt_scat)
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 5642a9b250c2..953bd0bfdf0d 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -581,7 +581,6 @@ static struct beiscsi_hba *beiscsi_hba_alloc(struct pci_dev *pcidev)
 			"beiscsi_hba_alloc - iscsi_host_alloc failed\n");
 		return NULL;
 	}
-	shost->dma_boundary = pcidev->dma_mask;
 	shost->max_id = BE2_MAX_SESSIONS;
 	shost->max_channel = 0;
 	shost->max_cmd_len = BEISCSI_MAX_CMD_LEN;
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index df5e961484e1..eb81c98386b9 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -522,7 +522,7 @@ static ssize_t
 sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
 {
 	sg_io_hdr_t *hp = &srp->header;
-	int err = 0;
+	int err = 0, err2;
 	int len;
 
 	if (count < SZ_SG_IO_HDR) {
@@ -551,8 +551,8 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
 		goto err_out;
 	}
 err_out:
-	err = sg_finish_rem_req(srp);
-	return (0 == err) ? count : err;
+	err2 = sg_finish_rem_req(srp);
+	return err ? : err2 ? : count;
 }
 
 static ssize_t
diff --git a/drivers/staging/comedi/comedi_compat32.c b/drivers/staging/comedi/comedi_compat32.c
index 1e9da405d833..528781049ad5 100644
--- a/drivers/staging/comedi/comedi_compat32.c
+++ b/drivers/staging/comedi/comedi_compat32.c
@@ -262,7 +262,7 @@ static int compat_cmd(struct file *file, unsigned long arg)
 {
 	struct comedi_cmd __user *cmd;
 	struct comedi32_cmd_struct __user *cmd32;
-	int rc;
+	int rc, err;
 
 	cmd32 = compat_ptr(arg);
 	cmd = compat_alloc_user_space(sizeof(*cmd));
@@ -271,7 +271,15 @@ static int compat_cmd(struct file *file, unsigned long arg)
 	if (rc)
 		return rc;
 
-	return translated_ioctl(file, COMEDI_CMD, (unsigned long)cmd);
+	rc = translated_ioctl(file, COMEDI_CMD, (unsigned long)cmd);
+	if (rc == -EAGAIN) {
+		/* Special case: copy cmd back to user. */
+		err = put_compat_cmd(cmd32, cmd);
+		if (err)
+			rc = err;
+	}
+
+	return rc;
 }
 
 /* Handle 32-bit COMEDI_CMDTEST ioctl. */
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 4fff1738e3f8..3d1cb5b0a956 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -441,6 +441,29 @@ static const struct comedi_lrange ai_ranges_64xx = {
 	}
 };
 
+static const uint8_t ai_range_code_64xx[8] = {
+	0x0, 0x1, 0x2, 0x3,	/* bipolar 10, 5, 2,5, 1.25 */
+	0x8, 0x9, 0xa, 0xb	/* unipolar 10, 5, 2.5, 1.25 */
+};
+
+/* analog input ranges for 64-Mx boards */
+static const struct comedi_lrange ai_ranges_64_mx = {
+	7, {
+		BIP_RANGE(5),
+		BIP_RANGE(2.5),
+		BIP_RANGE(1.25),
+		BIP_RANGE(0.625),
+		UNI_RANGE(5),
+		UNI_RANGE(2.5),
+		UNI_RANGE(1.25)
+	}
+};
+
+static const uint8_t ai_range_code_64_mx[7] = {
+	0x0, 0x1, 0x2, 0x3,	/* bipolar 5, 2.5, 1.25, 0.625 */
+	0x9, 0xa, 0xb		/* unipolar 5, 2.5, 1.25 */
+};
+
 /* analog input ranges for 60xx boards */
 static const struct comedi_lrange ai_ranges_60xx = {
 	4, {
@@ -451,6 +474,10 @@ static const struct comedi_lrange ai_ranges_60xx = {
 	}
 };
 
+static const uint8_t ai_range_code_60xx[4] = {
+	0x0, 0x1, 0x4, 0x7	/* bipolar 10, 5, 0.5, 0.05 */
+};
+
 /* analog input ranges for 6030, etc boards */
 static const struct comedi_lrange ai_ranges_6030 = {
 	14, {
@@ -471,6 +498,11 @@ static const struct comedi_lrange ai_ranges_6030 = {
 	}
 };
 
+static const uint8_t ai_range_code_6030[14] = {
+	0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, /* bip 10, 5, 2, 1, 0.5, 0.2, 0.1 */
+	0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf  /* uni 10, 5, 2, 1, 0.5, 0.2, 0.1 */
+};
+
 /* analog input ranges for 6052, etc boards */
 static const struct comedi_lrange ai_ranges_6052 = {
 	15, {
@@ -492,6 +524,11 @@ static const struct comedi_lrange ai_ranges_6052 = {
 	}
 };
 
+static const uint8_t ai_range_code_6052[15] = {
+	0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,	/* bipolar 10 ... 0.05 */
+	0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf	/* unipolar 10 ... 0.1 */
+};
+
 /* analog input ranges for 4020 board */
 static const struct comedi_lrange ai_ranges_4020 = {
 	2, {
@@ -595,6 +632,7 @@ struct pcidas64_board {
 	int ai_bits;		/*  analog input resolution */
 	int ai_speed;		/*  fastest conversion period in ns */
 	const struct comedi_lrange *ai_range_table;
+	const uint8_t *ai_range_code;
 	int ao_nchan;		/*  number of analog out channels */
 	int ao_bits;		/*  analog output resolution */
 	int ao_scan_speed;	/*  analog output scan speed */
@@ -653,6 +691,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
 		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_code	= ai_range_code_64xx,
 		.ao_range_table	= &ao_ranges_64xx,
 		.ao_range_code	= ao_range_code_64xx,
 		.ai_fifo	= &ai_fifo_64xx,
@@ -668,6 +707,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
 		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_code	= ai_range_code_64xx,
 		.ao_range_table	= &ao_ranges_64xx,
 		.ao_range_code	= ao_range_code_64xx,
 		.ai_fifo	= &ai_fifo_64xx,
@@ -682,7 +722,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_bits	= 16,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ao_range_table	= &ao_ranges_64xx,
 		.ao_range_code	= ao_range_code_64xx,
 		.ai_fifo	= &ai_fifo_64xx,
@@ -697,7 +738,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_bits	= 16,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ao_range_table	= &ao_ranges_64xx,
 		.ao_range_code	= ao_range_code_64xx,
 		.ai_fifo	= &ai_fifo_64xx,
@@ -712,7 +754,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_bits	= 16,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ao_range_table	= &ao_ranges_64xx,
 		.ao_range_code	= ao_range_code_64xx,
 		.ai_fifo	= &ai_fifo_64xx,
@@ -727,6 +770,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_bits	= 16,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ao_range_table	= &range_bipolar10,
 		.ao_range_code	= ao_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -742,6 +786,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 100000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ao_range_table	= &range_bipolar10,
 		.ao_range_code	= ao_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -756,6 +801,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 100000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ao_range_table	= &range_bipolar10,
 		.ao_range_code	= ao_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -771,6 +817,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 100000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ao_range_table	= &range_bipolar10,
 		.ao_range_code	= ao_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -786,6 +833,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6030,
+		.ai_range_code	= ai_range_code_6030,
 		.ao_range_table	= &ao_ranges_6030,
 		.ao_range_code	= ao_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -801,6 +849,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6030,
+		.ai_range_code	= ai_range_code_6030,
 		.ao_range_table	= &ao_ranges_6030,
 		.ao_range_code	= ao_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -814,6 +863,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 0,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6030,
+		.ai_range_code	= ai_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
 		.has_8255	= 0,
 	},
@@ -825,6 +875,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 0,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6030,
+		.ai_range_code	= ai_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
 		.has_8255	= 0,
 	},
@@ -837,6 +888,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 0,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
 		.has_8255	= 0,
 	},
@@ -850,6 +902,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 100000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ao_range_table	= &range_bipolar10,
 		.ao_range_code	= ao_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -865,6 +918,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 100000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_60xx,
+		.ai_range_code	= ai_range_code_60xx,
 		.ao_range_table	= &range_bipolar10,
 		.ao_range_code	= ao_range_code_60xx,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -880,6 +934,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 1000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6052,
+		.ai_range_code	= ai_range_code_6052,
 		.ao_range_table	= &ao_ranges_6030,
 		.ao_range_code	= ao_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -895,6 +950,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 3333,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6052,
+		.ai_range_code	= ai_range_code_6052,
 		.ao_range_table	= &ao_ranges_6030,
 		.ao_range_code	= ao_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -910,6 +966,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 1000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6052,
+		.ai_range_code	= ai_range_code_6052,
 		.ao_range_table	= &ao_ranges_6030,
 		.ao_range_code	= ao_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -925,6 +982,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 1000,
 		.layout		= LAYOUT_60XX,
 		.ai_range_table	= &ai_ranges_6052,
+		.ai_range_code	= ai_range_code_6052,
 		.ao_range_table	= &ao_ranges_6030,
 		.ao_range_code	= ao_range_code_6030,
 		.ai_fifo	= &ai_fifo_60xx,
@@ -959,6 +1017,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
 		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_code	= ai_range_code_64xx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -970,7 +1029,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 0,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -982,7 +1042,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 0,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -994,7 +1055,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 0,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -1006,7 +1068,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 2,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -1018,7 +1081,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 2,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -1030,7 +1094,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
 		.ao_nchan	= 2,
 		.ao_scan_speed	= 10000,
 		.layout		= LAYOUT_64XX,
-		.ai_range_table	= &ai_ranges_64xx,
+		.ai_range_table	= &ai_ranges_64_mx,
+		.ai_range_code	= ai_range_code_64_mx,
 		.ai_fifo	= ai_fifo_64xx,
 		.has_8255	= 1,
 	},
@@ -1127,45 +1192,8 @@ static unsigned int ai_range_bits_6xxx(const struct comedi_device *dev,
 				       unsigned int range_index)
 {
 	const struct pcidas64_board *thisboard = comedi_board(dev);
-	const struct comedi_krange *range =
-		&thisboard->ai_range_table->range[range_index];
-	unsigned int bits = 0;
 
-	switch (range->max) {
-	case 10000000:
-		bits = 0x000;
-		break;
-	case 5000000:
-		bits = 0x100;
-		break;
-	case 2000000:
-	case 2500000:
-		bits = 0x200;
-		break;
-	case 1000000:
-	case 1250000:
-		bits = 0x300;
-		break;
-	case 500000:
-		bits = 0x400;
-		break;
-	case 200000:
-	case 250000:
-		bits = 0x500;
-		break;
-	case 100000:
-		bits = 0x600;
-		break;
-	case 50000:
-		bits = 0x700;
-		break;
-	default:
-		comedi_error(dev, "bug! in ai_range_bits_6xxx");
-		break;
-	}
-	if (range->min == 0)
-		bits += 0x900;
-	return bits;
+	return thisboard->ai_range_code[range_index] << 8;
 }
 
 static unsigned int hw_revision(const struct comedi_device *dev,
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 9ec1df9cff95..be89260c23a6 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -214,11 +214,17 @@ struct mxs_lradc {
 	unsigned long		is_divided;
 
 	/*
-	 * Touchscreen LRADC channels receives a private slot in the CTRL4
-	 * register, the slot #7. Therefore only 7 slots instead of 8 in the
-	 * CTRL4 register can be mapped to LRADC channels when using the
-	 * touchscreen.
-	 *
+	 * When the touchscreen is enabled, we give it two private virtual
+	 * channels: #6 and #7. This means that only 6 virtual channels (instead
+	 * of 8) will be available for buffered capture.
+	 */
+#define TOUCHSCREEN_VCHANNEL1		7
+#define TOUCHSCREEN_VCHANNEL2		6
+#define BUFFER_VCHANS_LIMITED		0x3f
+#define BUFFER_VCHANS_ALL		0xff
+	u8			buffer_vchans;
+
+	/*
 	 * Furthermore, certain LRADC channels are shared between touchscreen
 	 * and/or touch-buttons and generic LRADC block. Therefore when using
 	 * either of these, these channels are not available for the regular
@@ -342,6 +348,9 @@ struct mxs_lradc {
 #define	LRADC_CTRL4				0x140
 #define	LRADC_CTRL4_LRADCSELECT_MASK(n)		(0xf << ((n) * 4))
 #define	LRADC_CTRL4_LRADCSELECT_OFFSET(n)	((n) * 4)
+#define	LRADC_CTRL4_LRADCSELECT(n, x) \
+				(((x) << LRADC_CTRL4_LRADCSELECT_OFFSET(n)) & \
+				LRADC_CTRL4_LRADCSELECT_MASK(n))
 
 #define LRADC_RESOLUTION			12
 #define LRADC_SINGLE_SAMPLE_MASK		((1 << LRADC_RESOLUTION) - 1)
@@ -423,6 +432,14 @@ static bool mxs_lradc_check_touch_event(struct mxs_lradc *lradc)
 					LRADC_STATUS_TOUCH_DETECT_RAW);
 }
 
+static void mxs_lradc_map_channel(struct mxs_lradc *lradc, unsigned vch,
+				  unsigned ch)
+{
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL4_LRADCSELECT_MASK(vch),
+				LRADC_CTRL4);
+	mxs_lradc_reg_set(lradc, LRADC_CTRL4_LRADCSELECT(vch, ch), LRADC_CTRL4);
+}
+
 static void mxs_lradc_setup_ts_channel(struct mxs_lradc *lradc, unsigned ch)
 {
 	/*
@@ -450,12 +467,8 @@ static void mxs_lradc_setup_ts_channel(struct mxs_lradc *lradc, unsigned ch)
 		LRADC_DELAY_DELAY(lradc->over_sample_delay - 1),
 			LRADC_DELAY(3));
 
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(2) |
-			LRADC_CTRL1_LRADC_IRQ(3) | LRADC_CTRL1_LRADC_IRQ(4) |
-			LRADC_CTRL1_LRADC_IRQ(5), LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(ch), LRADC_CTRL1);
 
-	/* wake us again, when the complete conversion is done */
-	mxs_lradc_reg_set(lradc, LRADC_CTRL1_LRADC_IRQ_EN(ch), LRADC_CTRL1);
 	/*
 	 * after changing the touchscreen plates setting
 	 * the signals need some initial time to settle. Start the
@@ -508,12 +521,8 @@ static void mxs_lradc_setup_ts_pressure(struct mxs_lradc *lradc, unsigned ch1,
 		LRADC_DELAY_DELAY(lradc->over_sample_delay - 1),
 					LRADC_DELAY(3));
 
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(2) |
-			LRADC_CTRL1_LRADC_IRQ(3) | LRADC_CTRL1_LRADC_IRQ(4) |
-			LRADC_CTRL1_LRADC_IRQ(5), LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(ch2), LRADC_CTRL1);
 
-	/* wake us again, when the conversions are done */
-	mxs_lradc_reg_set(lradc, LRADC_CTRL1_LRADC_IRQ_EN(ch2), LRADC_CTRL1);
 	/*
 	 * after changing the touchscreen plates setting
 	 * the signals need some initial time to settle. Start the
@@ -578,36 +587,6 @@ static unsigned mxs_lradc_read_ts_pressure(struct mxs_lradc *lradc,
 #define TS_CH_XM 4
 #define TS_CH_YM 5
 
-static int mxs_lradc_read_ts_channel(struct mxs_lradc *lradc)
-{
-	u32 reg;
-	int val;
-
-	reg = readl(lradc->base + LRADC_CTRL1);
-
-	/* only channels 3 to 5 are of interest here */
-	if (reg & LRADC_CTRL1_LRADC_IRQ(TS_CH_YP)) {
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(TS_CH_YP) |
-			LRADC_CTRL1_LRADC_IRQ(TS_CH_YP), LRADC_CTRL1);
-		val = mxs_lradc_read_raw_channel(lradc, TS_CH_YP);
-	} else if (reg & LRADC_CTRL1_LRADC_IRQ(TS_CH_XM)) {
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(TS_CH_XM) |
-			LRADC_CTRL1_LRADC_IRQ(TS_CH_XM), LRADC_CTRL1);
-		val = mxs_lradc_read_raw_channel(lradc, TS_CH_XM);
-	} else if (reg & LRADC_CTRL1_LRADC_IRQ(TS_CH_YM)) {
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(TS_CH_YM) |
-			LRADC_CTRL1_LRADC_IRQ(TS_CH_YM), LRADC_CTRL1);
-		val = mxs_lradc_read_raw_channel(lradc, TS_CH_YM);
-	} else {
-		return -EIO;
-	}
-
-	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(2));
-	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(3));
-
-	return val;
-}
-
 /*
  * YP(open)--+-------------+
  *           |             |--+
@@ -651,7 +630,8 @@ static void mxs_lradc_prepare_x_pos(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, mxs_lradc_drive_x_plate(lradc), LRADC_CTRL0);
 
 	lradc->cur_plate = LRADC_SAMPLE_X;
-	mxs_lradc_setup_ts_channel(lradc, TS_CH_YP);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL1, TS_CH_YP);
+	mxs_lradc_setup_ts_channel(lradc, TOUCHSCREEN_VCHANNEL1);
 }
 
 /*
@@ -672,7 +652,8 @@ static void mxs_lradc_prepare_y_pos(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, mxs_lradc_drive_y_plate(lradc), LRADC_CTRL0);
 
 	lradc->cur_plate = LRADC_SAMPLE_Y;
-	mxs_lradc_setup_ts_channel(lradc, TS_CH_XM);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL1, TS_CH_XM);
+	mxs_lradc_setup_ts_channel(lradc, TOUCHSCREEN_VCHANNEL1);
 }
 
 /*
@@ -693,7 +674,10 @@ static void mxs_lradc_prepare_pressure(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, mxs_lradc_drive_pressure(lradc), LRADC_CTRL0);
 
 	lradc->cur_plate = LRADC_SAMPLE_PRESSURE;
-	mxs_lradc_setup_ts_pressure(lradc, TS_CH_XP, TS_CH_YM);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL1, TS_CH_YM);
+	mxs_lradc_map_channel(lradc, TOUCHSCREEN_VCHANNEL2, TS_CH_XP);
+	mxs_lradc_setup_ts_pressure(lradc, TOUCHSCREEN_VCHANNEL2,
+						TOUCHSCREEN_VCHANNEL1);
 }
 
 static void mxs_lradc_enable_touch_detection(struct mxs_lradc *lradc)
@@ -706,6 +690,19 @@ static void mxs_lradc_enable_touch_detection(struct mxs_lradc *lradc)
 	mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
 }
 
+static void mxs_lradc_start_touch_event(struct mxs_lradc *lradc)
+{
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN,
+				LRADC_CTRL1);
+	mxs_lradc_reg_set(lradc,
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL1), LRADC_CTRL1);
+	/*
+	 * start with the Y-pos, because it uses nearly the same plate
+	 * settings like the touch detection
+	 */
+	mxs_lradc_prepare_y_pos(lradc);
+}
+
 static void mxs_lradc_report_ts_event(struct mxs_lradc *lradc)
 {
 	input_report_abs(lradc->ts_input, ABS_X, lradc->ts_x_pos);
@@ -723,10 +720,12 @@ static void mxs_lradc_complete_touch_event(struct mxs_lradc *lradc)
 	 * start a dummy conversion to burn time to settle the signals
 	 * note: we are not interested in the conversion's value
 	 */
-	mxs_lradc_reg_wrt(lradc, 0, LRADC_CH(5));
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ(5), LRADC_CTRL1);
-	mxs_lradc_reg_set(lradc, LRADC_CTRL1_LRADC_IRQ_EN(5), LRADC_CTRL1);
-	mxs_lradc_reg_wrt(lradc, LRADC_DELAY_TRIGGER(1 << 5) |
+	mxs_lradc_reg_wrt(lradc, 0, LRADC_CH(TOUCHSCREEN_VCHANNEL1));
+	mxs_lradc_reg_clear(lradc,
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL2), LRADC_CTRL1);
+	mxs_lradc_reg_wrt(lradc,
+		LRADC_DELAY_TRIGGER(1 << TOUCHSCREEN_VCHANNEL1) |
 		LRADC_DELAY_KICK | LRADC_DELAY_DELAY(10), /* waste 5 ms */
 			LRADC_DELAY(2));
 }
@@ -758,59 +757,45 @@ static void mxs_lradc_finish_touch_event(struct mxs_lradc *lradc, bool valid)
 
 	/* if it is released, wait for the next touch via IRQ */
 	lradc->cur_plate = LRADC_TOUCH;
-	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ, LRADC_CTRL1);
+	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(2));
+	mxs_lradc_reg_wrt(lradc, 0, LRADC_DELAY(3));
+	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ |
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1), LRADC_CTRL1);
 	mxs_lradc_reg_set(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN, LRADC_CTRL1);
 }
 
 /* touchscreen's state machine */
 static void mxs_lradc_handle_touch(struct mxs_lradc *lradc)
 {
-	int val;
-
 	switch (lradc->cur_plate) {
 	case LRADC_TOUCH:
-		/*
-		 * start with the Y-pos, because it uses nearly the same plate
-		 * settings like the touch detection
-		 */
-		if (mxs_lradc_check_touch_event(lradc)) {
-			mxs_lradc_reg_clear(lradc,
-					LRADC_CTRL1_TOUCH_DETECT_IRQ_EN,
-					LRADC_CTRL1);
-			mxs_lradc_prepare_y_pos(lradc);
-		}
+		if (mxs_lradc_check_touch_event(lradc))
+			mxs_lradc_start_touch_event(lradc);
 		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ,
 					LRADC_CTRL1);
 		return;
 
 	case LRADC_SAMPLE_Y:
-		val = mxs_lradc_read_ts_channel(lradc);
-		if (val < 0) {
-			mxs_lradc_enable_touch_detection(lradc); /* re-start */
-			return;
-		}
-		lradc->ts_y_pos = val;
+		lradc->ts_y_pos = mxs_lradc_read_raw_channel(lradc,
+							TOUCHSCREEN_VCHANNEL1);
 		mxs_lradc_prepare_x_pos(lradc);
 		return;
 
 	case LRADC_SAMPLE_X:
-		val = mxs_lradc_read_ts_channel(lradc);
-		if (val < 0) {
-			mxs_lradc_enable_touch_detection(lradc); /* re-start */
-			return;
-		}
-		lradc->ts_x_pos = val;
+		lradc->ts_x_pos = mxs_lradc_read_raw_channel(lradc,
+							TOUCHSCREEN_VCHANNEL1);
 		mxs_lradc_prepare_pressure(lradc);
 		return;
 
 	case LRADC_SAMPLE_PRESSURE:
-		lradc->ts_pressure =
-			mxs_lradc_read_ts_pressure(lradc, TS_CH_XP, TS_CH_YM);
+		lradc->ts_pressure = mxs_lradc_read_ts_pressure(lradc,
+							TOUCHSCREEN_VCHANNEL2,
+							TOUCHSCREEN_VCHANNEL1);
 		mxs_lradc_complete_touch_event(lradc);
 		return;
 
 	case LRADC_SAMPLE_VALID:
-		val = mxs_lradc_read_ts_channel(lradc); /* ignore the value */
 		mxs_lradc_finish_touch_event(lradc, 1);
 		break;
 	}
@@ -842,9 +827,9 @@ static int mxs_lradc_read_single(struct iio_dev *iio_dev, int chan, int *val)
 	 * used if doing raw sampling.
 	 */
 	if (lradc->soc == IMX28_LRADC)
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK,
+		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_LRADC_IRQ_EN(0),
 			LRADC_CTRL1);
-	mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+	mxs_lradc_reg_clear(lradc, 0x1, LRADC_CTRL0);
 
 	/* Enable / disable the divider per requirement */
 	if (test_bit(chan, &lradc->is_divided))
@@ -1091,9 +1076,8 @@ static void mxs_lradc_disable_ts(struct mxs_lradc *lradc)
 {
 	/* stop all interrupts from firing */
 	mxs_lradc_reg_clear(lradc, LRADC_CTRL1_TOUCH_DETECT_IRQ_EN |
-		LRADC_CTRL1_LRADC_IRQ_EN(2) | LRADC_CTRL1_LRADC_IRQ_EN(3) |
-		LRADC_CTRL1_LRADC_IRQ_EN(4) | LRADC_CTRL1_LRADC_IRQ_EN(5),
-		LRADC_CTRL1);
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ_EN(TOUCHSCREEN_VCHANNEL2), LRADC_CTRL1);
 
 	/* Power-down touchscreen touch-detect circuitry. */
 	mxs_lradc_reg_clear(lradc, mxs_lradc_plate_mask(lradc), LRADC_CTRL0);
@@ -1159,25 +1143,31 @@ static irqreturn_t mxs_lradc_handle_irq(int irq, void *data)
 	struct iio_dev *iio = data;
 	struct mxs_lradc *lradc = iio_priv(iio);
 	unsigned long reg = readl(lradc->base + LRADC_CTRL1);
+	uint32_t clr_irq = mxs_lradc_irq_mask(lradc);
 	const uint32_t ts_irq_mask =
 		LRADC_CTRL1_TOUCH_DETECT_IRQ |
-		LRADC_CTRL1_LRADC_IRQ(2) |
-		LRADC_CTRL1_LRADC_IRQ(3) |
-		LRADC_CTRL1_LRADC_IRQ(4) |
-		LRADC_CTRL1_LRADC_IRQ(5);
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1) |
+		LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL2);
 
 	if (!(reg & mxs_lradc_irq_mask(lradc)))
 		return IRQ_NONE;
 
-	if (lradc->use_touchscreen && (reg & ts_irq_mask))
+	if (lradc->use_touchscreen && (reg & ts_irq_mask)) {
 		mxs_lradc_handle_touch(lradc);
+		/* Make sure we don't clear the next conversion's interrupt. */
+		clr_irq &= ~(LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL1) |
+				LRADC_CTRL1_LRADC_IRQ(TOUCHSCREEN_VCHANNEL2));
+	}
 
 	if (iio_buffer_enabled(iio))
-		iio_trigger_poll(iio->trig, iio_get_time_ns());
-	else if (reg & LRADC_CTRL1_LRADC_IRQ(0))
+	if (iio_buffer_enabled(iio)) {
+		if (reg & lradc->buffer_vchans)
+			iio_trigger_poll(iio->trig, iio_get_time_ns());
+	} else if (reg & LRADC_CTRL1_LRADC_IRQ(0)) {
 		complete(&lradc->completion);
+	}
 
-	mxs_lradc_reg_clear(lradc, reg & mxs_lradc_irq_mask(lradc), LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, reg & clr_irq, LRADC_CTRL1);
 
 	return IRQ_HANDLED;
 }
@@ -1288,9 +1278,10 @@ static int mxs_lradc_buffer_preenable(struct iio_dev *iio)
 	}
 
 	if (lradc->soc == IMX28_LRADC)
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK,
-							LRADC_CTRL1);
-	mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+		mxs_lradc_reg_clear(lradc,
+			lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,
+			LRADC_CTRL1);
+	mxs_lradc_reg_clear(lradc, lradc->buffer_vchans, LRADC_CTRL0);
 
 	for_each_set_bit(chan, iio->active_scan_mask, LRADC_MAX_TOTAL_CHANS) {
 		ctrl4_set |= chan << LRADC_CTRL4_LRADCSELECT_OFFSET(ofs);
@@ -1323,10 +1314,11 @@ static int mxs_lradc_buffer_postdisable(struct iio_dev *iio)
 	mxs_lradc_reg_clear(lradc, LRADC_DELAY_TRIGGER_LRADCS_MASK |
 					LRADC_DELAY_KICK, LRADC_DELAY(0));
 
-	mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+	mxs_lradc_reg_clear(lradc, lradc->buffer_vchans, LRADC_CTRL0);
 	if (lradc->soc == IMX28_LRADC)
-		mxs_lradc_reg_clear(lradc, LRADC_CTRL1_MX28_LRADC_IRQ_EN_MASK,
-					LRADC_CTRL1);
+		mxs_lradc_reg_clear(lradc,
+			lradc->buffer_vchans << LRADC_CTRL1_LRADC_IRQ_EN_OFFSET,
+			LRADC_CTRL1);
 
 	kfree(lradc->buffer);
 	mutex_unlock(&lradc->lock);
@@ -1352,7 +1344,7 @@ static bool mxs_lradc_validate_scan_mask(struct iio_dev *iio,
 	if (lradc->use_touchbutton)
 		rsvd_chans++;
 	if (lradc->use_touchscreen)
-		rsvd_chans++;
+		rsvd_chans += 2;
 
 	/* Test for attempts to map channels with special mode of operation. */
 	if (bitmap_intersects(mask, &rsvd_mask, LRADC_MAX_TOTAL_CHANS))
@@ -1412,6 +1404,13 @@ static const struct iio_chan_spec mxs_lradc_chan_spec[] = {
 		.channel = 8,
 		.scan_type = {.sign = 'u', .realbits = 18, .storagebits = 32,},
 	},
+	/* Hidden channel to keep indexes */
+	{
+		.type = IIO_TEMP,
+		.indexed = 1,
+		.scan_index = -1,
+		.channel = 9,
+	},
 	MXS_ADC_CHAN(10, IIO_VOLTAGE),	/* VDDIO */
 	MXS_ADC_CHAN(11, IIO_VOLTAGE),	/* VTH */
 	MXS_ADC_CHAN(12, IIO_VOLTAGE),	/* VDDA */
@@ -1563,6 +1562,11 @@ static int mxs_lradc_probe(struct platform_device *pdev)
 
 	touch_ret = mxs_lradc_probe_touchscreen(lradc, node);
 
+	if (touch_ret == 0)
+		lradc->buffer_vchans = BUFFER_VCHANS_LIMITED;
+	else
+		lradc->buffer_vchans = BUFFER_VCHANS_ALL;
+
 	/* Grab all IRQ sources */
 	for (i = 0; i < of_cfg->irq_count; i++) {
 		lradc->irq[i] = platform_get_irq(pdev, i);
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 1205dbd4f83d..0fccdcfd1015 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1877,8 +1877,8 @@ static int core_scsi3_update_aptpl_buf(
 		}
 
 		if ((len + strlen(tmp) >= pr_aptpl_buf_len)) {
-			pr_err("Unable to update renaming"
-				" APTPL metadata\n");
+			pr_err("Unable to update renaming APTPL metadata,"
+			       " reallocating larger buffer\n");
 			ret = -EMSGSIZE;
 			goto out;
 		}
@@ -1895,8 +1895,8 @@ static int core_scsi3_update_aptpl_buf(
 			lun->lun_sep->sep_rtpi, lun->unpacked_lun, reg_count);
 
 		if ((len + strlen(tmp) >= pr_aptpl_buf_len)) {
-			pr_err("Unable to update renaming"
-				" APTPL metadata\n");
+			pr_err("Unable to update renaming APTPL metadata,"
+			       " reallocating larger buffer\n");
 			ret = -EMSGSIZE;
 			goto out;
 		}
@@ -1959,7 +1959,7 @@ static int __core_scsi3_write_aptpl_to_file(
 static sense_reason_t core_scsi3_update_and_write_aptpl(struct se_device *dev, bool aptpl)
 {
 	unsigned char *buf;
-	int rc;
+	int rc, len = PR_APTPL_BUF_LEN;
 
 	if (!aptpl) {
 		char *null_buf = "No Registrations or Reservations\n";
@@ -1973,25 +1973,26 @@ static sense_reason_t core_scsi3_update_and_write_aptpl(struct se_device *dev, b
 
 		return 0;
 	}
-
-	buf = kzalloc(PR_APTPL_BUF_LEN, GFP_KERNEL);
+retry:
+	buf = vzalloc(len);
 	if (!buf)
 		return TCM_OUT_OF_RESOURCES;
 
-	rc = core_scsi3_update_aptpl_buf(dev, buf, PR_APTPL_BUF_LEN);
+	rc = core_scsi3_update_aptpl_buf(dev, buf, len);
 	if (rc < 0) {
-		kfree(buf);
-		return TCM_OUT_OF_RESOURCES;
+		vfree(buf);
+		len *= 2;
+		goto retry;
 	}
 
 	rc = __core_scsi3_write_aptpl_to_file(dev, buf);
 	if (rc != 0) {
 		pr_err("SPC-3 PR: Could not update APTPL\n");
-		kfree(buf);
+		vfree(buf);
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 	}
 	dev->t10_pr.pr_aptpl_active = 1;
-	kfree(buf);
+	vfree(buf);
 	pr_debug("SPC-3 PR: Set APTPL Bit Activated\n");
 	return 0;
 }
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 5216acd68b4b..68511e83486b 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -266,6 +266,8 @@ static inline unsigned long long transport_lba_64_ext(unsigned char *cdb)
 static sense_reason_t
 sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *ops)
 {
+	struct se_device *dev = cmd->se_dev;
+	sector_t end_lba = dev->transport->get_blocks(dev) + 1;
 	unsigned int sectors = sbc_get_write_same_sectors(cmd);
 
 	if ((flags[0] & 0x04) || (flags[0] & 0x02)) {
@@ -279,6 +281,16 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
 			sectors, cmd->se_dev->dev_attrib.max_write_same_len);
 		return TCM_INVALID_CDB_FIELD;
 	}
+	/*
+	 * Sanity check for LBA wrap and request past end of device.
+	 */
+	if (((cmd->t_task_lba + sectors) < cmd->t_task_lba) ||
+	    ((cmd->t_task_lba + sectors) > end_lba)) {
+		pr_err("WRITE_SAME exceeds last lba %llu (lba %llu, sectors %u)\n",
+		       (unsigned long long)end_lba, cmd->t_task_lba, sectors);
+		return TCM_ADDRESS_OUT_OF_RANGE;
+	}
+
 	/* We always have ANC_SUP == 0 so setting ANCHOR is always an error */
 	if (flags[0] & 0x10) {
 		pr_warn("WRITE SAME with ANCHOR not supported\n");
@@ -911,7 +923,8 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
 		unsigned long long end_lba;
 
 		end_lba = dev->transport->get_blocks(dev) + 1;
-		if (cmd->t_task_lba + sectors > end_lba) {
+		if (((cmd->t_task_lba + sectors) < cmd->t_task_lba) ||
+		    ((cmd->t_task_lba + sectors) > end_lba)) {
 			pr_err("cmd exceeds last lba %llu "
 				"(lba %llu, sectors %u)\n",
 				end_lba, cmd->t_task_lba, sectors);
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 25d07412e08e..39988fa91294 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -996,8 +996,8 @@ EXPORT_SYMBOL(start_tty);
 /* We limit tty time update visibility to every 8 seconds or so. */
 static void tty_update_time(struct timespec *time)
 {
-	unsigned long sec = get_seconds() & ~7;
-	if ((long)(sec - time->tv_sec) > 0)
+	unsigned long sec = get_seconds();
+	if (abs(sec - time->tv_sec) & ~7)
 		time->tv_sec = sec;
 }
 
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 6fd60fece6b4..22da05d27009 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -217,11 +217,17 @@ void tty_wait_until_sent(struct tty_struct *tty, long timeout)
 #endif
 	if (!timeout)
 		timeout = MAX_SCHEDULE_TIMEOUT;
+
 	if (wait_event_interruptible_timeout(tty->write_wait,
-			!tty_chars_in_buffer(tty), timeout) >= 0) {
-		if (tty->ops->wait_until_sent)
-			tty->ops->wait_until_sent(tty, timeout);
+			!tty_chars_in_buffer(tty), timeout) < 0) {
+		return;
 	}
+
+	if (timeout == MAX_SCHEDULE_TIMEOUT)
+		timeout = 0;
+
+	if (tty->ops->wait_until_sent)
+		tty->ops->wait_until_sent(tty, timeout);
 }
 EXPORT_SYMBOL(tty_wait_until_sent);
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 9ca77166d37e..45b7b96f9ed3 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -501,6 +501,7 @@ static void async_completed(struct urb *urb)
 	as->status = urb->status;
 	signr = as->signr;
 	if (signr) {
+		memset(&sinfo, 0, sizeof(sinfo));
 		sinfo.si_signo = as->signr;
 		sinfo.si_errno = as->status;
 		sinfo.si_code = SI_ASYNCIO;
@@ -2227,6 +2228,7 @@ static void usbdev_remove(struct usb_device *udev)
 		wake_up_all(&ps->wait);
 		list_del_init(&ps->list);
 		if (ps->discsignr) {
+			memset(&sinfo, 0, sizeof(sinfo));
 			sinfo.si_signo = ps->discsignr;
 			sinfo.si_errno = EPIPE;
 			sinfo.si_code = SI_ASYNCIO;
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 2a6841c95b64..cfca302d3d88 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -211,6 +211,18 @@ static void dwc3_omap_write_irq0_set(struct dwc3_omap *omap, u32 value)
 						omap->irq0_offset, value);
 }
 
+static void dwc3_omap_write_irqmisc_clr(struct dwc3_omap *omap, u32 value)
+{
+	dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_MISC +
+						omap->irqmisc_offset, value);
+}
+
+static void dwc3_omap_write_irq0_clr(struct dwc3_omap *omap, u32 value)
+{
+	dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_0 -
+						omap->irq0_offset, value);
+}
+
 static void dwc3_omap_set_mailbox(struct dwc3_omap *omap,
 	enum omap_dwc3_vbus_id_status status)
 {
@@ -351,9 +363,23 @@ static void dwc3_omap_enable_irqs(struct dwc3_omap *omap)
 
 static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
 {
+	u32			reg;
+
 	/* disable all IRQs */
-	dwc3_omap_write_irqmisc_set(omap, 0x00);
-	dwc3_omap_write_irq0_set(omap, 0x00);
+	reg = USBOTGSS_IRQO_COREIRQ_ST;
+	dwc3_omap_write_irq0_clr(omap, reg);
+
+	reg = (USBOTGSS_IRQMISC_OEVT |
+			USBOTGSS_IRQMISC_DRVVBUS_RISE |
+			USBOTGSS_IRQMISC_CHRGVBUS_RISE |
+			USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
+			USBOTGSS_IRQMISC_IDPULLUP_RISE |
+			USBOTGSS_IRQMISC_DRVVBUS_FALL |
+			USBOTGSS_IRQMISC_CHRGVBUS_FALL |
+			USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
+			USBOTGSS_IRQMISC_IDPULLUP_FALL);
+
+	dwc3_omap_write_irqmisc_clr(omap, reg);
 }
 
 static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index faa8b98954d9..a95eee8ddc38 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2133,7 +2133,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
 	if (event_trb != ep_ring->dequeue) {
 		/* The event was for the status stage */
 		if (event_trb == td->last_trb) {
-			if (td->urb->actual_length != 0) {
+			if (td->urb_length_set) {
 				/* Don't overwrite a previously set error code
 				 */
 				if ((*status == -EINPROGRESS || *status == 0) &&
@@ -2147,7 +2147,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
 					td->urb->transfer_buffer_length;
 			}
 		} else {
-		/* Maybe the event was for the data stage? */
+			/*
+			 * Maybe the event was for the data stage? If so, update
+			 * already the actual_length of the URB and flag it as
+			 * set, so that it is not overwritten in the event for
+			 * the last TRB.
+			 */
+			td->urb_length_set = true;
 			td->urb->actual_length =
 				td->urb->transfer_buffer_length -
 				EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 96e9e780ccae..7225dd242bfa 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1,3 +1,4 @@
+
 /*
  * xHCI host controller driver
  *
@@ -88,9 +89,10 @@ struct xhci_cap_regs {
 #define HCS_IST(p)		(((p) >> 0) & 0xf)
 /* bits 4:7, max number of Event Ring segments */
 #define HCS_ERST_MAX(p)		(((p) >> 4) & 0xf)
+/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */
 /* bit 26 Scratchpad restore - for save/restore HW state - not used yet */
-/* bits 27:31 number of Scratchpad buffers SW must allocate for the HW */
-#define HCS_MAX_SCRATCHPAD(p)   (((p) >> 27) & 0x1f)
+/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */
+#define HCS_MAX_SCRATCHPAD(p)   ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f))
 
 /* HCSPARAMS3 - hcs_params3 - bitmasks */
 /* bits 0:7, Max U1 to U0 latency for the roothub ports */
@@ -1289,6 +1291,8 @@ struct xhci_td {
 	struct xhci_segment	*start_seg;
 	union xhci_trb		*first_trb;
 	union xhci_trb		*last_trb;
+	/* actual_length of the URB has already been set */
+	bool			urb_length_set;
 };
 
 /* xHCI command default timeout value */
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 9374bd2aba20..6f91eb9ae81a 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -51,6 +51,7 @@ static int usb_serial_device_probe(struct device *dev)
 {
 	struct usb_serial_driver *driver;
 	struct usb_serial_port *port;
+	struct device *tty_dev;
 	int retval = 0;
 	int minor;
 
@@ -75,12 +76,20 @@ static int usb_serial_device_probe(struct device *dev)
 	retval = device_create_file(dev, &dev_attr_port_number);
 	if (retval) {
 		if (driver->port_remove)
-			retval = driver->port_remove(port);
+			driver->port_remove(port);
 		goto exit_with_autopm;
 	}
 
 	minor = port->minor;
-	tty_register_device(usb_serial_tty_driver, minor, dev);
+	tty_dev = tty_register_device(usb_serial_tty_driver, minor, dev);
+	if (IS_ERR(tty_dev)) {
+		retval = PTR_ERR(tty_dev);
+		device_remove_file(dev, &dev_attr_port_number);
+		if (driver->port_remove)
+			driver->port_remove(port);
+		goto exit_with_autopm;
+	}
+
 	dev_info(&port->serial->dev->dev,
 		 "%s converter now attached to ttyUSB%d\n",
 		 driver->description, minor);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index a2d040971afe..8d114b9733ed 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -147,6 +147,8 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */
 	{ USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */
 	{ USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */
+	{ USB_DEVICE(0x16C0, 0x09B0) }, /* Lunatico Seletek */
+	{ USB_DEVICE(0x16C0, 0x09B1) }, /* Lunatico Seletek */
 	{ USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
 	{ USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */
 	{ USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index debcdef4cbf0..923500595357 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -812,6 +812,8 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
+	{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
@@ -991,6 +993,23 @@ static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
 	/* GE Healthcare devices */
 	{ USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
+	/* Active Research (Actisense) devices */
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
+	{ USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
+	{ USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index e52409c9be99..56b1b55c4751 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -38,6 +38,9 @@
 
 #define FTDI_LUMEL_PD12_PID	0x6002
 
+/* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */
+#define CYBER_CORTEX_AV_PID	0x8698
+
 /*
  * Marvell OpenRD Base, Client
  * http://www.open-rd.org
@@ -1438,3 +1441,23 @@
  */
 #define GE_HEALTHCARE_VID		0x1901
 #define GE_HEALTHCARE_NEMO_TRACKER_PID	0x0015
+
+/*
+ * Active Research (Actisense) devices
+ */
+#define ACTISENSE_NDC_PID		0xD9A8 /* NDC USB Serial Adapter */
+#define ACTISENSE_USG_PID		0xD9A9 /* USG USB Serial Adapter */
+#define ACTISENSE_NGT_PID		0xD9AA /* NGT NMEA2000 Interface */
+#define ACTISENSE_NGW_PID		0xD9AB /* NGW NMEA2000 Gateway */
+#define ACTISENSE_D9AC_PID		0xD9AC /* Actisense Reserved */
+#define ACTISENSE_D9AD_PID		0xD9AD /* Actisense Reserved */
+#define ACTISENSE_D9AE_PID		0xD9AE /* Actisense Reserved */
+#define ACTISENSE_D9AF_PID		0xD9AF /* Actisense Reserved */
+#define CHETCO_SEAGAUGE_PID		0xA548 /* SeaGauge USB Adapter */
+#define CHETCO_SEASWITCH_PID		0xA549 /* SeaSwitch USB Adapter */
+#define CHETCO_SEASMART_NMEA2000_PID	0xA54A /* SeaSmart NMEA2000 Gateway */
+#define CHETCO_SEASMART_ETHERNET_PID	0xA54B /* SeaSmart Ethernet Gateway */
+#define CHETCO_SEASMART_WIFI_PID	0xA5AC /* SeaSmart Wifi Gateway */
+#define CHETCO_SEASMART_DISPLAY_PID	0xA5AD /* SeaSmart NMEA2000 Display */
+#define CHETCO_SEASMART_LITE_PID	0xA5AE /* SeaSmart Lite USB Adapter */
+#define CHETCO_SEASMART_ANALOG_PID	0xA5AF /* SeaSmart Analog Adapter */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index b63ce023f96f..d6a197917ebd 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -258,7 +258,8 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout)
 	 * character or at least one jiffy.
 	 */
 	period = max_t(unsigned long, (10 * HZ / bps), 1);
-	period = min_t(unsigned long, period, timeout);
+	if (timeout)
+		period = min_t(unsigned long, period, timeout);
 
 	dev_dbg(&port->dev, "%s - timeout = %u ms, period = %u ms\n",
 					__func__, jiffies_to_msecs(timeout),
@@ -268,7 +269,7 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout)
 		schedule_timeout_interruptible(period);
 		if (signal_pending(current))
 			break;
-		if (time_after(jiffies, expire))
+		if (timeout && time_after(jiffies, expire))
 			break;
 	}
 }
diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
index ab1d690274ae..460a40669967 100644
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -1284,7 +1284,8 @@ static int mxuport_open(struct tty_struct *tty, struct usb_serial_port *port)
 	}
 
 	/* Initial port termios */
-	mxuport_set_termios(tty, port, NULL);
+	if (tty)
+		mxuport_set_termios(tty, port, NULL);
 
 	/*
 	 * TODO: use RQ_VENDOR_GET_MSR, once we know what it
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 3182c0e68b42..e3399dc2453b 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -95,7 +95,7 @@ static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param)
  */
 static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *in)
 {
-	struct autofs_dev_ioctl tmp;
+	struct autofs_dev_ioctl tmp, *res;
 
 	if (copy_from_user(&tmp, in, sizeof(tmp)))
 		return ERR_PTR(-EFAULT);
@@ -103,7 +103,11 @@ static struct autofs_dev_ioctl *copy_dev_ioctl(struct autofs_dev_ioctl __user *i
 	if (tmp.size < sizeof(tmp))
 		return ERR_PTR(-EINVAL);
 
-	return memdup_user(in, tmp.size);
+	res = memdup_user(in, tmp.size);
+	if (!IS_ERR(res))
+		res->size = tmp.size;
+
+	return res;
 }
 
 static inline void free_dev_ioctl(struct autofs_dev_ioctl *param)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 279b06ef5522..0a841ddd6843 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1774,22 +1774,10 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 	mutex_unlock(&inode->i_mutex);
 
 	/*
-	 * we want to make sure fsync finds this change
-	 * but we haven't joined a transaction running right now.
-	 *
-	 * Later on, someone is sure to update the inode and get the
-	 * real transid recorded.
-	 *
-	 * We set last_trans now to the fs_info generation + 1,
-	 * this will either be one more than the running transaction
-	 * or the generation used for the next transaction if there isn't
-	 * one running right now.
-	 *
 	 * We also have to set last_sub_trans to the current log transid,
 	 * otherwise subsequent syncs to a file that's been synced in this
 	 * transaction will appear to have already occured.
 	 */
-	BTRFS_I(inode)->last_trans = root->fs_info->generation + 1;
 	BTRFS_I(inode)->last_sub_trans = root->log_transid;
 	if (num_written > 0) {
 		err = generic_write_sync(file, pos, num_written);
@@ -1892,25 +1880,37 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	atomic_inc(&root->log_batch);
 
 	/*
-	 * check the transaction that last modified this inode
-	 * and see if its already been committed
-	 */
-	if (!BTRFS_I(inode)->last_trans) {
-		mutex_unlock(&inode->i_mutex);
-		goto out;
-	}
-
-	/*
-	 * if the last transaction that changed this file was before
-	 * the current transaction, we can bail out now without any
-	 * syncing
+	 * If the last transaction that changed this file was before the current
+	 * transaction and we have the full sync flag set in our inode, we can
+	 * bail out now without any syncing.
+	 *
+	 * Note that we can't bail out if the full sync flag isn't set. This is
+	 * because when the full sync flag is set we start all ordered extents
+	 * and wait for them to fully complete - when they complete they update
+	 * the inode's last_trans field through:
+	 *
+	 *     btrfs_finish_ordered_io() ->
+	 *         btrfs_update_inode_fallback() ->
+	 *             btrfs_update_inode() ->
+	 *                 btrfs_set_inode_last_trans()
+	 *
+	 * So we are sure that last_trans is up to date and can do this check to
+	 * bail out safely. For the fast path, when the full sync flag is not
+	 * set in our inode, we can not do it because we start only our ordered
+	 * extents and don't wait for them to complete (that is when
+	 * btrfs_finish_ordered_io runs), so here at this point their last_trans
+	 * value might be less than or equals to fs_info->last_trans_committed,
+	 * and setting a speculative last_trans for an inode when a buffered
+	 * write is made (such as fs_info->generation + 1 for example) would not
+	 * be reliable since after setting the value and before fsync is called
+	 * any number of transactions can start and commit (transaction kthread
+	 * commits the current transaction periodically), and a transaction
+	 * commit does not start nor waits for ordered extents to complete.
 	 */
 	smp_mb();
 	if (btrfs_inode_in_log(inode, root->fs_info->generation) ||
-	    BTRFS_I(inode)->last_trans <=
-	    root->fs_info->last_trans_committed) {
-		BTRFS_I(inode)->last_trans = 0;
-
+	    (full_sync && BTRFS_I(inode)->last_trans <=
+	     root->fs_info->last_trans_committed)) {
 		/*
 		 * We'v had everything committed since the last time we were
 		 * modified so clear this flag in case it was set for whatever
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d68a7250f00b..653cdd85e0f2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6870,7 +6870,6 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
 	    ((BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) &&
 	     em->block_start != EXTENT_MAP_HOLE)) {
 		int type;
-		int ret;
 		u64 block_start, orig_start, orig_block_len, ram_bytes;
 
 		if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index aeb57b98c53f..a7f32bfdd5e7 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -979,7 +979,7 @@ again:
 		base = btrfs_item_ptr_offset(leaf, path->slots[0]);
 
 		while (cur_offset < item_size) {
-			extref = (struct btrfs_inode_extref *)base + cur_offset;
+			extref = (struct btrfs_inode_extref *)(base + cur_offset);
 
 			victim_name_len = btrfs_inode_extref_name_len(leaf, extref);
 
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 15761957cc3f..1ff8fe5dab0d 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -245,10 +245,19 @@ static int debugfs_show_options(struct seq_file *m, struct dentry *root)
 	return 0;
 }
 
+static void debugfs_evict_inode(struct inode *inode)
+{
+	truncate_inode_pages(&inode->i_data, 0);
+	clear_inode(inode);
+	if (S_ISLNK(inode->i_mode))
+		kfree(inode->i_private);
+}
+
 static const struct super_operations debugfs_super_operations = {
 	.statfs		= simple_statfs,
 	.remount_fs	= debugfs_remount,
 	.show_options	= debugfs_show_options,
+	.evict_inode	= debugfs_evict_inode,
 };
 
 static int debug_fill_super(struct super_block *sb, void *data, int silent)
@@ -465,23 +474,14 @@ static int __debugfs_remove(struct dentry *dentry, struct dentry *parent)
 	int ret = 0;
 
 	if (debugfs_positive(dentry)) {
-		if (dentry->d_inode) {
-			dget(dentry);
-			switch (dentry->d_inode->i_mode & S_IFMT) {
-			case S_IFDIR:
-				ret = simple_rmdir(parent->d_inode, dentry);
-				break;
-			case S_IFLNK:
-				kfree(dentry->d_inode->i_private);
-				/* fall through */
-			default:
-				simple_unlink(parent->d_inode, dentry);
-				break;
-			}
-			if (!ret)
-				d_delete(dentry);
-			dput(dentry);
-		}
+		dget(dentry);
+		if (S_ISDIR(dentry->d_inode->i_mode))
+			ret = simple_rmdir(parent->d_inode, dentry);
+		else
+			simple_unlink(parent->d_inode, dentry);
+		if (!ret)
+			d_delete(dentry);
+		dput(dentry);
 	}
 	return ret;
 }
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 3ed1be9aade3..2ea3537b8bde 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -161,8 +161,8 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred,
 				  &delegation->flags);
 			NFS_I(inode)->delegation_state = delegation->type;
 			spin_unlock(&delegation->lock);
-			put_rpccred(oldcred);
 			rcu_read_unlock();
+			put_rpccred(oldcred);
 			trace_nfs4_reclaim_delegation(inode, res->delegation_type);
 		} else {
 			/* We appear to have raced with a delegation return. */
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index b2e3ff347620..ecdbae19a766 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -31,6 +31,8 @@
 #include "alloc.h"
 #include "dat.h"
 
+static void __nilfs_btree_init(struct nilfs_bmap *bmap);
+
 static struct nilfs_btree_path *nilfs_btree_alloc_path(void)
 {
 	struct nilfs_btree_path *path;
@@ -368,6 +370,34 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node,
 	return ret;
 }
 
+/**
+ * nilfs_btree_root_broken - verify consistency of btree root node
+ * @node: btree root node to be examined
+ * @ino: inode number
+ *
+ * Return Value: If node is broken, 1 is returned. Otherwise, 0 is returned.
+ */
+static int nilfs_btree_root_broken(const struct nilfs_btree_node *node,
+				   unsigned long ino)
+{
+	int level, flags, nchildren;
+	int ret = 0;
+
+	level = nilfs_btree_node_get_level(node);
+	flags = nilfs_btree_node_get_flags(node);
+	nchildren = nilfs_btree_node_get_nchildren(node);
+
+	if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN ||
+		     level > NILFS_BTREE_LEVEL_MAX ||
+		     nchildren < 0 ||
+		     nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) {
+		pr_crit("NILFS: bad btree root (inode number=%lu): level = %d, flags = 0x%x, nchildren = %d\n",
+			ino, level, flags, nchildren);
+		ret = 1;
+	}
+	return ret;
+}
+
 int nilfs_btree_broken_node_block(struct buffer_head *bh)
 {
 	int ret;
@@ -1713,7 +1743,7 @@ nilfs_btree_commit_convert_and_insert(struct nilfs_bmap *btree,
 
 	/* convert and insert */
 	dat = NILFS_BMAP_USE_VBN(btree) ? nilfs_bmap_get_dat(btree) : NULL;
-	nilfs_btree_init(btree);
+	__nilfs_btree_init(btree);
 	if (nreq != NULL) {
 		nilfs_bmap_commit_alloc_ptr(btree, dreq, dat);
 		nilfs_bmap_commit_alloc_ptr(btree, nreq, dat);
@@ -2294,12 +2324,23 @@ static const struct nilfs_bmap_operations nilfs_btree_ops_gc = {
 	.bop_gather_data	=	NULL,
 };
 
-int nilfs_btree_init(struct nilfs_bmap *bmap)
+static void __nilfs_btree_init(struct nilfs_bmap *bmap)
 {
 	bmap->b_ops = &nilfs_btree_ops;
 	bmap->b_nchildren_per_block =
 		NILFS_BTREE_NODE_NCHILDREN_MAX(nilfs_btree_node_size(bmap));
-	return 0;
+}
+
+int nilfs_btree_init(struct nilfs_bmap *bmap)
+{
+	int ret = 0;
+
+	__nilfs_btree_init(bmap);
+
+	if (nilfs_btree_root_broken(nilfs_btree_get_root(bmap),
+				    bmap->b_inode->i_ino))
+		ret = -EIO;
+	return ret;
 }
 
 void nilfs_btree_init_gc(struct nilfs_bmap *bmap)
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index b7f268eb5f45..2e2d9d5d78d9 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -19,7 +19,6 @@
 #include <linux/mount.h>
 #include <linux/init.h>
 #include <linux/idr.h>
-#include <linux/namei.h>
 #include <linux/bitops.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
@@ -162,17 +161,6 @@ void proc_free_inum(unsigned int inum)
 	spin_unlock_irqrestore(&proc_inum_lock, flags);
 }
 
-static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd)
-{
-	nd_set_link(nd, __PDE_DATA(dentry->d_inode));
-	return NULL;
-}
-
-static const struct inode_operations proc_link_inode_operations = {
-	.readlink	= generic_readlink,
-	.follow_link	= proc_follow_link,
-};
-
 /*
  * Don't create negative dentries here, return -ENOENT by hand
  * instead.
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 124fc43c7090..2f2815f3176e 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -23,6 +23,7 @@
 #include <linux/slab.h>
 #include <linux/mount.h>
 #include <linux/magic.h>
+#include <linux/namei.h>
 
 #include <asm/uaccess.h>
 
@@ -401,6 +402,26 @@ static const struct file_operations proc_reg_file_ops_no_compat = {
 };
 #endif
 
+static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+	struct proc_dir_entry *pde = PDE(dentry->d_inode);
+	if (unlikely(!use_pde(pde)))
+		return ERR_PTR(-EINVAL);
+	nd_set_link(nd, pde->data);
+	return pde;
+}
+
+static void proc_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
+{
+	unuse_pde(p);
+}
+
+const struct inode_operations proc_link_inode_operations = {
+	.readlink	= generic_readlink,
+	.follow_link	= proc_follow_link,
+	.put_link	= proc_put_link,
+};
+
 struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
 {
 	struct inode *inode = new_inode_pseudo(sb);
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 651d09a11dde..8b8ca1db6316 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -202,6 +202,7 @@ struct pde_opener {
 	int closing;
 	struct completion *c;
 };
+extern const struct inode_operations proc_link_inode_operations;
 
 extern const struct inode_operations proc_pid_link_inode_operations;
 
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 1772fadcff62..349325404add 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -407,7 +407,7 @@ struct t10_reservation {
 	/* Activate Persistence across Target Power Loss enabled
 	 * for SCSI device */
 	int pr_aptpl_active;
-#define PR_APTPL_BUF_LEN			8192
+#define PR_APTPL_BUF_LEN			262144
 	u32 pr_generation;
 	spinlock_t registration_lock;
 	spinlock_t aptpl_reg_lock;
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index aece1346ceb7..4ad10baecd4d 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -268,11 +268,11 @@ TRACE_EVENT(mm_page_alloc_extfrag,
 
 	TP_PROTO(struct page *page,
 		int alloc_order, int fallback_order,
-		int alloc_migratetype, int fallback_migratetype, int new_migratetype),
+		int alloc_migratetype, int fallback_migratetype),
 
 	TP_ARGS(page,
 		alloc_order, fallback_order,
-		alloc_migratetype, fallback_migratetype, new_migratetype),
+		alloc_migratetype, fallback_migratetype),
 
 	TP_STRUCT__entry(
 		__field(	struct page *,	page			)
@@ -289,7 +289,8 @@ TRACE_EVENT(mm_page_alloc_extfrag,
 		__entry->fallback_order		= fallback_order;
 		__entry->alloc_migratetype	= alloc_migratetype;
 		__entry->fallback_migratetype	= fallback_migratetype;
-		__entry->change_ownership	= (new_migratetype == alloc_migratetype);
+		__entry->change_ownership	= (alloc_migratetype ==
+					get_pageblock_migratetype(page));
 	),
 
 	TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
diff --git a/mm/compaction.c b/mm/compaction.c
index 4229fc22a477..a522208bb8ea 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -937,7 +937,7 @@ static int compact_finished(struct zone *zone,
 			return COMPACT_PARTIAL;
 
 		/* Job done if allocation would set block type */
-		if (cc->order >= pageblock_order && area->nr_free)
+		if (order >= pageblock_order && area->nr_free)
 			return COMPACT_PARTIAL;
 	}
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 472259b00618..c3e8660cb616 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2488,9 +2488,10 @@ again:
 			goto unlock;
 
 		/*
-		 * HWPoisoned hugepage is already unmapped and dropped reference
+		 * Migrating hugepage or HWPoisoned hugepage is already
+		 * unmapped and its refcount is dropped, so just clear pte here.
 		 */
-		if (unlikely(is_hugetlb_entry_hwpoisoned(pte))) {
+		if (unlikely(!pte_present(pte))) {
 			huge_pte_clear(mm, address, ptep);
 			goto unlock;
 		}
@@ -3163,7 +3164,26 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
 			spin_unlock(ptl);
 			continue;
 		}
-		if (!huge_pte_none(huge_ptep_get(ptep))) {
+		pte = huge_ptep_get(ptep);
+		if (unlikely(is_hugetlb_entry_hwpoisoned(pte))) {
+			spin_unlock(ptl);
+			continue;
+		}
+		if (unlikely(is_hugetlb_entry_migration(pte))) {
+			swp_entry_t entry = pte_to_swp_entry(pte);
+
+			if (is_write_migration_entry(entry)) {
+				pte_t newpte;
+
+				make_migration_entry_read(&entry);
+				newpte = swp_entry_to_pte(entry);
+				set_huge_pte_at(mm, address, ptep, newpte);
+				pages++;
+			}
+			spin_unlock(ptl);
+			continue;
+		}
+		if (!huge_pte_none(pte)) {
 			pte = huge_ptep_get_and_clear(mm, address, ptep);
 			pte = pte_mkhuge(huge_pte_modify(pte, newprot));
 			pte = arch_make_huge_pte(pte, vma, NULL, 0);
diff --git a/mm/memory.c b/mm/memory.c
index 7f30beaba74f..102af096cbc5 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4024,7 +4024,7 @@ int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
 	if (follow_phys(vma, addr, write, &prot, &phys_addr))
 		return -EINVAL;
 
-	maddr = ioremap_prot(phys_addr, PAGE_SIZE, prot);
+	maddr = ioremap_prot(phys_addr, PAGE_ALIGN(len + offset), prot);
 	if (write)
 		memcpy_toio(maddr + offset, buf, len);
 	else
diff --git a/mm/mmap.c b/mm/mmap.c
index 085bcd890ad2..d4c97ba6843b 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -129,7 +129,7 @@ EXPORT_SYMBOL_GPL(vm_memory_committed);
  */
 int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 {
-	unsigned long free, allowed, reserve;
+	long free, allowed, reserve;
 
 	vm_acct_memory(pages);
 
@@ -193,7 +193,7 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 	 */
 	if (mm) {
 		reserve = sysctl_user_reserve_kbytes >> (PAGE_SHIFT - 10);
-		allowed -= min(mm->total_vm / 32, reserve);
+		allowed -= min_t(long, mm->total_vm / 32, reserve);
 	}
 
 	if (percpu_counter_read_positive(&vm_committed_as) < allowed)
diff --git a/mm/nommu.c b/mm/nommu.c
index 3ee4f74fbfbe..76b3f90ada7b 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1905,7 +1905,7 @@ EXPORT_SYMBOL(unmap_mapping_range);
  */
 int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 {
-	unsigned long free, allowed, reserve;
+	long free, allowed, reserve;
 
 	vm_acct_memory(pages);
 
@@ -1969,7 +1969,7 @@ int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin)
 	 */
 	if (mm) {
 		reserve = sysctl_user_reserve_kbytes >> (PAGE_SHIFT - 10);
-		allowed -= min(mm->total_vm / 32, reserve);
+		allowed -= min_t(long, mm->total_vm / 32, reserve);
 	}
 
 	if (percpu_counter_read_positive(&vm_committed_as) < allowed)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ea419137f845..0479732f6b02 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1081,8 +1081,8 @@ static void change_pageblock_range(struct page *pageblock_page,
  * nor move CMA pages to different free lists. We don't want unmovable pages
  * to be allocated from MIGRATE_CMA areas.
  *
- * Returns the new migratetype of the pageblock (or the same old migratetype
- * if it was unchanged).
+ * Returns the allocation migratetype if free pages were stolen, or the
+ * fallback migratetype if it was decided not to steal.
  */
 static int try_to_steal_freepages(struct zone *zone, struct page *page,
 				  int start_type, int fallback_type)
@@ -1113,12 +1113,10 @@ static int try_to_steal_freepages(struct zone *zone, struct page *page,
 
 		/* Claim the whole block if over half of it is free */
 		if (pages >= (1 << (pageblock_order-1)) ||
-				page_group_by_mobility_disabled) {
-
+				page_group_by_mobility_disabled)
 			set_pageblock_migratetype(page, start_type);
-			return start_type;
-		}
 
+		return start_type;
 	}
 
 	return fallback_type;
@@ -1170,7 +1168,7 @@ __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype)
 			set_freepage_migratetype(page, new_type);
 
 			trace_mm_page_alloc_extfrag(page, order, current_order,
-				start_migratetype, migratetype, new_type);
+				start_migratetype, migratetype);
 
 			return page;
 		}
diff --git a/net/compat.c b/net/compat.c
index cbc1a2a26587..275af79c131b 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -738,24 +738,18 @@ static unsigned char nas[21] = {
 
 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
 {
-	if (flags & MSG_CMSG_COMPAT)
-		return -EINVAL;
 	return __sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
 }
 
 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 				    unsigned int vlen, unsigned int flags)
 {
-	if (flags & MSG_CMSG_COMPAT)
-		return -EINVAL;
 	return __sys_sendmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
 			      flags | MSG_CMSG_COMPAT);
 }
 
 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
 {
-	if (flags & MSG_CMSG_COMPAT)
-		return -EINVAL;
 	return __sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
 }
 
@@ -778,9 +772,6 @@ asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
 	int datagrams;
 	struct timespec ktspec;
 
-	if (flags & MSG_CMSG_COMPAT)
-		return -EINVAL;
-
 	if (timeout == NULL)
 		return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
 				      flags | MSG_CMSG_COMPAT, NULL);
diff --git a/net/core/dev.c b/net/core/dev.c
index 4ed77d7245c0..f6d8d7fe29ab 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -940,7 +940,7 @@ bool dev_valid_name(const char *name)
 		return false;
 
 	while (*name) {
-		if (*name == '/' || isspace(*name))
+		if (*name == '/' || *name == ':' || isspace(*name))
 			return false;
 		name++;
 	}
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index 9d3d9e78397b..372ac662adf9 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -32,6 +32,9 @@ gnet_stats_copy(struct gnet_dump *d, int type, void *buf, int size)
 	return 0;
 
 nla_put_failure:
+	kfree(d->xstats);
+	d->xstats = NULL;
+	d->xstats_len = 0;
 	spin_unlock_bh(d->lock);
 	return -1;
 }
@@ -217,7 +220,9 @@ int
 gnet_stats_copy_app(struct gnet_dump *d, void *st, int len)
 {
 	if (d->compat_xstats) {
-		d->xstats = st;
+		d->xstats = kmemdup(st, len, GFP_ATOMIC);
+		if (!d->xstats)
+			goto err_out;
 		d->xstats_len = len;
 	}
 
@@ -225,6 +230,11 @@ gnet_stats_copy_app(struct gnet_dump *d, void *st, int len)
 		return gnet_stats_copy(d, TCA_STATS_APP, st, len);
 
 	return 0;
+
+err_out:
+	d->xstats_len = 0;
+	spin_unlock_bh(d->lock);
+	return -1;
 }
 EXPORT_SYMBOL(gnet_stats_copy_app);
 
@@ -257,6 +267,9 @@ gnet_stats_finish_copy(struct gnet_dump *d)
 			return -1;
 	}
 
+	kfree(d->xstats);
+	d->xstats = NULL;
+	d->xstats_len = 0;
 	spin_unlock_bh(d->lock);
 	return 0;
 }
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index fdac61cac1bd..ca68d32b49ba 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2812,25 +2812,25 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 	skb->dev = odev;
 	skb->pkt_type = PACKET_HOST;
 
+	pktgen_finalize_skb(pkt_dev, skb, datalen);
+
 	if (!(pkt_dev->flags & F_UDPCSUM)) {
 		skb->ip_summed = CHECKSUM_NONE;
 	} else if (odev->features & NETIF_F_V4_CSUM) {
 		skb->ip_summed = CHECKSUM_PARTIAL;
 		skb->csum = 0;
-		udp4_hwcsum(skb, udph->source, udph->dest);
+		udp4_hwcsum(skb, iph->saddr, iph->daddr);
 	} else {
-		__wsum csum = udp_csum(skb);
+		__wsum csum = skb_checksum(skb, skb_transport_offset(skb), datalen + 8, 0);
 
 		/* add protocol-dependent pseudo-header */
-		udph->check = csum_tcpudp_magic(udph->source, udph->dest,
+		udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,
 						datalen + 8, IPPROTO_UDP, csum);
 
 		if (udph->check == 0)
 			udph->check = CSUM_MANGLED_0;
 	}
 
-	pktgen_finalize_skb(pkt_dev, skb, datalen);
-
 #ifdef CONFIG_XFRM
 	if (!process_ipsec(pkt_dev, skb, protocol))
 		return NULL;
@@ -2946,6 +2946,8 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 	skb->dev = odev;
 	skb->pkt_type = PACKET_HOST;
 
+	pktgen_finalize_skb(pkt_dev, skb, datalen);
+
 	if (!(pkt_dev->flags & F_UDPCSUM)) {
 		skb->ip_summed = CHECKSUM_NONE;
 	} else if (odev->features & NETIF_F_V6_CSUM) {
@@ -2954,7 +2956,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 		skb->csum_offset = offsetof(struct udphdr, check);
 		udph->check = ~csum_ipv6_magic(&iph->saddr, &iph->daddr, udplen, IPPROTO_UDP, 0);
 	} else {
-		__wsum csum = udp_csum(skb);
+		__wsum csum = skb_checksum(skb, skb_transport_offset(skb), udplen, 0);
 
 		/* add protocol-dependent pseudo-header */
 		udph->check = csum_ipv6_magic(&iph->saddr, &iph->daddr, udplen, IPPROTO_UDP, csum);
@@ -2963,8 +2965,6 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 			udph->check = CSUM_MANGLED_0;
 	}
 
-	pktgen_finalize_skb(pkt_dev, skb, datalen);
-
 	return skb;
 }
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a6613ff972c1..8aadd6a072a4 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1264,14 +1264,10 @@ static const struct nla_policy ifla_vfinfo_policy[IFLA_VF_INFO_MAX+1] = {
 };
 
 static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
-	[IFLA_VF_MAC]		= { .type = NLA_BINARY,
-				    .len = sizeof(struct ifla_vf_mac) },
-	[IFLA_VF_VLAN]		= { .type = NLA_BINARY,
-				    .len = sizeof(struct ifla_vf_vlan) },
-	[IFLA_VF_TX_RATE]	= { .type = NLA_BINARY,
-				    .len = sizeof(struct ifla_vf_tx_rate) },
-	[IFLA_VF_SPOOFCHK]	= { .type = NLA_BINARY,
-				    .len = sizeof(struct ifla_vf_spoofchk) },
+	[IFLA_VF_MAC]		= { .len = sizeof(struct ifla_vf_mac) },
+	[IFLA_VF_VLAN]		= { .len = sizeof(struct ifla_vf_vlan) },
+	[IFLA_VF_TX_RATE]	= { .len = sizeof(struct ifla_vf_tx_rate) },
+	[IFLA_VF_SPOOFCHK]	= { .len = sizeof(struct ifla_vf_spoofchk) },
 };
 
 static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = {
@@ -2034,8 +2030,16 @@ replay:
 			}
 		}
 		err = rtnl_configure_link(dev, ifm);
-		if (err < 0)
-			unregister_netdevice(dev);
+		if (err < 0) {
+			if (ops->newlink) {
+				LIST_HEAD(list_kill);
+
+				ops->dellink(dev, &list_kill);
+				unregister_netdevice_many(&list_kill);
+			} else {
+				unregister_netdevice(dev);
+			}
+		}
 out:
 		put_net(dest_net);
 		return err;
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index c10a3ce5cbff..9ff497d17545 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -679,27 +679,30 @@ EXPORT_SYMBOL(ip_defrag);
 struct sk_buff *ip_check_defrag(struct sk_buff *skb, u32 user)
 {
 	struct iphdr iph;
+	int netoff;
 	u32 len;
 
 	if (skb->protocol != htons(ETH_P_IP))
 		return skb;
 
-	if (!skb_copy_bits(skb, 0, &iph, sizeof(iph)))
+	netoff = skb_network_offset(skb);
+
+	if (skb_copy_bits(skb, netoff, &iph, sizeof(iph)) < 0)
 		return skb;
 
 	if (iph.ihl < 5 || iph.version != 4)
 		return skb;
 
 	len = ntohs(iph.tot_len);
-	if (skb->len < len || len < (iph.ihl * 4))
+	if (skb->len < netoff + len || len < (iph.ihl * 4))
 		return skb;
 
 	if (ip_is_fragment(&iph)) {
 		skb = skb_share_check(skb, GFP_ATOMIC);
 		if (skb) {
-			if (!pskb_may_pull(skb, iph.ihl*4))
+			if (!pskb_may_pull(skb, netoff + iph.ihl * 4))
 				return skb;
-			if (pskb_trim_rcsum(skb, len))
+			if (pskb_trim_rcsum(skb, netoff + len))
 				return skb;
 			memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
 			if (ip_defrag(skb, user))
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index dd637fc4b553..05686c47a289 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -843,7 +843,8 @@ static int __ip_append_data(struct sock *sk,
 	cork->length += length;
 	if (((length > mtu) || (skb && skb_is_gso(skb))) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) {
+	    (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len &&
+	    (sk->sk_type == SOCK_DGRAM)) {
 		err = ip_ufo_append_data(sk, queue, getfrag, from, length,
 					 hh_len, fragheaderlen, transhdrlen,
 					 maxfraglen, flags);
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 04ce671430cb..b94002ab8052 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -259,6 +259,10 @@ int ping_init_sock(struct sock *sk)
 	kgid_t low, high;
 	int ret = 0;
 
+#if IS_ENABLED(CONFIG_IPV6)
+	if (sk->sk_family == AF_INET6)
+		inet6_sk(sk)->ipv6only = 1;
+#endif
 	inet_get_ping_group_range_net(net, &low, &high);
 	if (gid_lte(low, group) && gid_lte(group, high))
 		return 0;
@@ -305,6 +309,11 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
 		if (addr_len < sizeof(*addr))
 			return -EINVAL;
 
+		if (addr->sin_family != AF_INET &&
+		    !(addr->sin_family == AF_UNSPEC &&
+		      addr->sin_addr.s_addr == htonl(INADDR_ANY)))
+			return -EAFNOSUPPORT;
+
 		pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n",
 			 sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port));
 
@@ -330,7 +339,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
 			return -EINVAL;
 
 		if (addr->sin6_family != AF_INET6)
-			return -EINVAL;
+			return -EAFNOSUPPORT;
 
 		pr_debug("ping_check_bind_addr(sk=%p,addr=%pI6c,port=%d)\n",
 			 sk, addr->sin6_addr.s6_addr, ntohs(addr->sin6_port));
@@ -716,7 +725,7 @@ static int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
 		if (msg->msg_namelen < sizeof(*usin))
 			return -EINVAL;
 		if (usin->sin_family != AF_INET)
-			return -EINVAL;
+			return -EAFNOSUPPORT;
 		daddr = usin->sin_addr.s_addr;
 		/* no remote port */
 	} else {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 12f7ef0f243a..d7907ecf0b75 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1294,7 +1294,8 @@ emsgsize:
 	if (((length > mtu) ||
 	     (skb && skb_is_gso(skb))) &&
 	    (sk->sk_protocol == IPPROTO_UDP) &&
-	    (rt->dst.dev->features & NETIF_F_UFO)) {
+	    (rt->dst.dev->features & NETIF_F_UFO) &&
+	    (sk->sk_type == SOCK_DGRAM)) {
 		err = ip6_ufo_append_data(sk, getfrag, from, length,
 					  hh_len, fragheaderlen,
 					  transhdrlen, mtu, flags, rt);
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index bda74291c3e0..461199533fe4 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -103,9 +103,10 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
 	if (msg->msg_name) {
 		DECLARE_SOCKADDR(struct sockaddr_in6 *, u, msg->msg_name);
-		if (msg->msg_namelen < sizeof(struct sockaddr_in6) ||
-		    u->sin6_family != AF_INET6) {
+		if (msg->msg_namelen < sizeof(*u))
 			return -EINVAL;
+		if (u->sin6_family != AF_INET6) {
+			return -EAFNOSUPPORT;
 		}
 		if (sk->sk_bound_dev_if &&
 		    sk->sk_bound_dev_if != u->sin6_scope_id) {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6f1b8503a431..3809ca234c69 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -141,7 +141,7 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
 	u32 *p = NULL;
 
 	if (!(rt->dst.flags & DST_HOST))
-		return NULL;
+		return dst_cow_metrics_generic(dst, old);
 
 	peer = rt6_get_peer_create(rt);
 	if (peer) {
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 2ba8b9705bb7..fdcb9688b5d3 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -818,7 +818,9 @@ static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout)
 	orig_jiffies = jiffies;
 
 	/* Set poll time to 200 ms */
-	poll_time = IRDA_MIN(timeout, msecs_to_jiffies(200));
+	poll_time = msecs_to_jiffies(200);
+	if (timeout)
+		poll_time = min_t(unsigned long, timeout, poll_time);
 
 	spin_lock_irqsave(&self->spinlock, flags);
 	while (self->tx_skb && self->tx_skb->len) {
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e5a7ac2f3687..dca076f6252c 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -562,6 +562,7 @@ ieee80211_tx_h_check_control_port_protocol(struct ieee80211_tx_data *tx)
 		if (tx->sdata->control_port_no_encrypt)
 			info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
 		info->control.flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
+		info->flags |= IEEE80211_TX_CTL_USE_MINRATE;
 	}
 
 	return TX_CONTINUE;
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 3a633debb6df..a2abc449ce8f 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -227,6 +227,7 @@ static int tcf_em_validate(struct tcf_proto *tp,
 				 * to replay the request.
 				 */
 				module_put(em->ops->owner);
+				em->ops = NULL;
 				err = -EAGAIN;
 			}
 #endif
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index ae333c1845bb..0adc66caae2f 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -920,7 +920,7 @@ static unsigned int cache_poll(struct file *filp, poll_table *wait,
 	poll_wait(filp, &queue_wait, wait);
 
 	/* alway allow write */
-	mask = POLL_OUT | POLLWRNORM;
+	mask = POLLOUT | POLLWRNORM;
 
 	if (!rp)
 		return mask;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 566b0f69d628..ee2405723188 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1404,6 +1404,8 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream, int state)
 			if (! snd_pcm_playback_empty(substream)) {
 				snd_pcm_do_start(substream, SNDRV_PCM_STATE_DRAINING);
 				snd_pcm_post_start(substream, SNDRV_PCM_STATE_DRAINING);
+			} else {
+				runtime->status->state = SNDRV_PCM_STATE_SETUP;
 			}
 			break;
 		case SNDRV_PCM_STATE_RUNNING:
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 103e85a13f35..2f3059b50ffa 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -3984,7 +3984,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
 	/* Panther Point */
 	{ PCI_DEVICE(0x8086, 0x1e20),
-	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
+	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
 	/* Lynx Point */
 	{ PCI_DEVICE(0x8086, 0x8c20),
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 12f28d7e0fdc..231b26471a63 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -85,6 +85,7 @@ enum {
 	STAC_ALIENWARE_M17X,
 	STAC_92HD89XX_HP_FRONT_JACK,
 	STAC_92HD89XX_HP_Z1_G2_RIGHT_MIC_JACK,
+	STAC_92HD73XX_ASUS_MOBO,
 	STAC_92HD73XX_MODELS
 };
 
@@ -1935,7 +1936,18 @@ static const struct hda_fixup stac92hd73xx_fixups[] = {
 	[STAC_92HD89XX_HP_Z1_G2_RIGHT_MIC_JACK] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = stac92hd89xx_hp_z1_g2_right_mic_jack_pin_configs,
-	}
+	},
+	[STAC_92HD73XX_ASUS_MOBO] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			/* enable 5.1 and SPDIF out */
+			{ 0x0c, 0x01014411 },
+			{ 0x0d, 0x01014410 },
+			{ 0x0e, 0x01014412 },
+			{ 0x22, 0x014b1180 },
+			{ }
+		}
+	},
 };
 
 static const struct hda_model_fixup stac92hd73xx_models[] = {
@@ -1947,6 +1959,7 @@ static const struct hda_model_fixup stac92hd73xx_models[] = {
 	{ .id = STAC_DELL_M6_BOTH, .name = "dell-m6" },
 	{ .id = STAC_DELL_EQ, .name = "dell-eq" },
 	{ .id = STAC_ALIENWARE_M17X, .name = "alienware" },
+	{ .id = STAC_92HD73XX_ASUS_MOBO, .name = "asus-mobo" },
 	{}
 };
 
@@ -1999,6 +2012,8 @@ static const struct snd_pci_quirk stac92hd73xx_fixup_tbl[] = {
 				"HP Z1 G2", STAC_92HD89XX_HP_Z1_G2_RIGHT_MIC_JACK),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x2b17,
 				"unknown HP", STAC_92HD89XX_HP_FRONT_JACK),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_ASUSTEK, 0x83f8, "ASUS AT4NM10",
+		      STAC_92HD73XX_ASUS_MOBO),
 	{} /* terminator */
 };
 
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 07b8b7bc9d20..81f6a7545ef5 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -200,7 +200,7 @@ static int omap_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	struct snd_pcm *pcm = rtd->pcm;
 	int ret;
 
-	ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(64));
+	ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
 	if (ret)
 		return ret;
 
