Re: Linux 4.4.277

From: Greg Kroah-Hartman
Date: Wed Jul 28 2021 - 04:34:25 EST


diff --git a/Makefile b/Makefile
index 8855bdd51f81..6a486a5d614b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 276
+SUBLEVEL = 277
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/arm/boot/dts/bcm63138.dtsi b/arch/arm/boot/dts/bcm63138.dtsi
index 34cd64051250..84efc3d16f58 100644
--- a/arch/arm/boot/dts/bcm63138.dtsi
+++ b/arch/arm/boot/dts/bcm63138.dtsi
@@ -152,7 +152,7 @@
status = "disabled";
};

- nand: nand@2000 {
+ nand_controller: nand-controller@2000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,nand-bcm63138", "brcm,brcmnand-v7.0", "brcm,brcmnand";
diff --git a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
index 0bb8d17e4c2d..e51c9b079432 100644
--- a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
+++ b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
@@ -13,10 +13,10 @@
};
};

-&nand {
+&nand_controller {
status = "okay";

- nandcs@1 {
+ nand@1 {
compatible = "brcm,nandcs";
reg = <1>;
nand-ecc-step-size = <512>;
diff --git a/arch/arm/boot/dts/bcm7445.dtsi b/arch/arm/boot/dts/bcm7445.dtsi
index 4791321969b3..3f002f2047f1 100644
--- a/arch/arm/boot/dts/bcm7445.dtsi
+++ b/arch/arm/boot/dts/bcm7445.dtsi
@@ -149,7 +149,7 @@
reg-names = "aon-ctrl", "aon-sram";
};

- nand: nand@3e2800 {
+ nand_controller: nand-controller@3e2800 {
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/boot/dts/bcm963138dvt.dts b/arch/arm/boot/dts/bcm963138dvt.dts
index 370aa2cfddf2..439cff69e948 100644
--- a/arch/arm/boot/dts/bcm963138dvt.dts
+++ b/arch/arm/boot/dts/bcm963138dvt.dts
@@ -29,10 +29,10 @@
status = "okay";
};

-&nand {
+&nand_controller {
status = "okay";

- nandcs@0 {
+ nand@0 {
compatible = "brcm,nandcs";
reg = <0>;
nand-ecc-strength = <4>;
diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
index cae04e806036..e3e3a7a08d08 100644
--- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
@@ -307,8 +307,8 @@
fsl,pins = <
MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1
- MX6QDL_PAD_EIM_D30__UART3_RTS_B 0x1b0b1
- MX6QDL_PAD_EIM_D31__UART3_CTS_B 0x1b0b1
+ MX6QDL_PAD_EIM_D31__UART3_RTS_B 0x1b0b1
+ MX6QDL_PAD_EIM_D30__UART3_CTS_B 0x1b0b1
>;
};

@@ -383,6 +383,7 @@
&uart3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
+ uart-has-rtscts;
status = "disabled";
};

diff --git a/arch/arm/mach-imx/suspend-imx53.S b/arch/arm/mach-imx/suspend-imx53.S
index 5ed078ad110a..f12d24104075 100644
--- a/arch/arm/mach-imx/suspend-imx53.S
+++ b/arch/arm/mach-imx/suspend-imx53.S
@@ -33,11 +33,11 @@
* ^
* ^
* imx53_suspend code
- * PM_INFO structure(imx53_suspend_info)
+ * PM_INFO structure(imx5_cpu_suspend_info)
* ======================== low address =======================
*/

-/* Offsets of members of struct imx53_suspend_info */
+/* Offsets of members of struct imx5_cpu_suspend_info */
#define SUSPEND_INFO_MX53_M4IF_V_OFFSET 0x0
#define SUSPEND_INFO_MX53_IOMUXC_V_OFFSET 0x4
#define SUSPEND_INFO_MX53_IO_COUNT_OFFSET 0x8
diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c
index b1b2273d1f6d..308744830f55 100644
--- a/arch/powerpc/kvm/book3s_rtas.c
+++ b/arch/powerpc/kvm/book3s_rtas.c
@@ -230,6 +230,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu)
* value so we can restore it on the way out.
*/
orig_rets = args.rets;
+ if (be32_to_cpu(args.nargs) >= ARRAY_SIZE(args.args)) {
+ /*
+ * Don't overflow our args array: ensure there is room for
+ * at least rets[0] (even if the call specifies 0 nret).
+ *
+ * Each handler must then check for the correct nargs and nret
+ * values, but they may always return failure in rets[0].
+ */
+ rc = -EINVAL;
+ goto fail;
+ }
args.rets = &args.args[be32_to_cpu(args.nargs)];

mutex_lock(&vcpu->kvm->arch.rtas_token_lock);
@@ -257,9 +268,17 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu)
fail:
/*
* We only get here if the guest has called RTAS with a bogus
- * args pointer. That means we can't get to the args, and so we
- * can't fail the RTAS call. So fail right out to userspace,
- * which should kill the guest.
+ * args pointer or nargs/nret values that would overflow the
+ * array. That means we can't get to the args, and so we can't
+ * fail the RTAS call. So fail right out to userspace, which
+ * should kill the guest.
+ *
+ * SLOF should actually pass the hcall return value from the
+ * rtas handler call in r3, so enter_rtas could be modified to
+ * return a failure indication in r3 and we could return such
+ * errors to the guest rather than failing to host userspace.
+ * However old guests that don't test for failure could then
+ * continue silently after errors, so for now we won't do this.
*/
return rc;
}
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index 836c56290499..6dd874d5ba7b 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -19,6 +19,7 @@ void ftrace_caller(void);

extern char ftrace_graph_caller_end;
extern unsigned long ftrace_plt;
+extern void *ftrace_func;

struct dyn_arch_ftrace { };

diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index e0eaf11134b4..6617fae13bd3 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -55,6 +55,7 @@
* > brasl %r0,ftrace_caller # offset 0
*/

+void *ftrace_func __read_mostly = ftrace_stub;
unsigned long ftrace_plt;

static inline void ftrace_generate_orig_insn(struct ftrace_insn *insn)
@@ -164,6 +165,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)

int ftrace_update_ftrace_func(ftrace_func_t func)
{
+ ftrace_func = func;
return 0;
}

diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 68425e68e65a..9eb55077896c 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -56,13 +56,13 @@ ENTRY(ftrace_caller)
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
aghik %r2,%r0,-MCOUNT_INSN_SIZE
lgrl %r4,function_trace_op
- lgrl %r1,ftrace_trace_function
+ lgrl %r1,ftrace_func
#else
lgr %r2,%r0
aghi %r2,-MCOUNT_INSN_SIZE
larl %r4,function_trace_op
lg %r4,0(%r4)
- larl %r1,ftrace_trace_function
+ larl %r1,ftrace_func
lg %r1,0(%r1)
#endif
lgr %r3,%r14
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index bcf409997d6d..c5c3056f4c4a 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -115,7 +115,7 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1)
{
u32 r1 = reg2hex[b1];

- if (!jit->seen_reg[r1] && r1 >= 6 && r1 <= 15)
+ if (r1 >= 6 && r1 <= 15 && !jit->seen_reg[r1])
jit->seen_reg[r1] = 1;
}

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 66a5e60f60c4..4fb38927128c 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -217,6 +217,14 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
}
}

+static inline void fxsave(struct fxregs_state *fx)
+{
+ if (IS_ENABLED(CONFIG_X86_32))
+ asm volatile( "fxsave %[fx]" : [fx] "=m" (*fx));
+ else
+ asm volatile("fxsaveq %[fx]" : [fx] "=m" (*fx));
+}
+
/* These macros all use (%edi)/(%rdi) as the single memory argument. */
#define XSAVE ".byte " REX_PREFIX "0x0f,0xae,0x27"
#define XSAVEOPT ".byte " REX_PREFIX "0x0f,0xae,0x37"
@@ -286,28 +294,6 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu)
: "D" (st), "m" (*st), "a" (lmask), "d" (hmask) \
: "memory")

-/*
- * This function is called only during boot time when x86 caps are not set
- * up and alternative can not be used yet.
- */
-static inline void copy_xregs_to_kernel_booting(struct xregs_state *xstate)
-{
- u64 mask = -1;
- u32 lmask = mask;
- u32 hmask = mask >> 32;
- int err;
-
- WARN_ON(system_state != SYSTEM_BOOTING);
-
- if (static_cpu_has(X86_FEATURE_XSAVES))
- XSTATE_OP(XSAVES, xstate, lmask, hmask, err);
- else
- XSTATE_OP(XSAVE, xstate, lmask, hmask, err);
-
- /* We should never fault when copying to a kernel buffer: */
- WARN_ON_FPU(err);
-}
-
/*
* This function is called only during boot time when x86 caps are not set
* up and alternative can not be used yet.
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 3fa200ecca62..1ff1adbc843b 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -292,6 +292,23 @@ static void __init setup_xstate_comp(void)
}
}

+/*
+ * All supported features have either init state all zeros or are
+ * handled in setup_init_fpu() individually. This is an explicit
+ * feature list and does not use XFEATURE_MASK*SUPPORTED to catch
+ * newly added supported features at build time and make people
+ * actually look at the init state for the new feature.
+ */
+#define XFEATURES_INIT_FPSTATE_HANDLED \
+ (XFEATURE_MASK_FP | \
+ XFEATURE_MASK_SSE | \
+ XFEATURE_MASK_YMM | \
+ XFEATURE_MASK_OPMASK | \
+ XFEATURE_MASK_ZMM_Hi256 | \
+ XFEATURE_MASK_Hi16_ZMM | \
+ XFEATURE_MASK_BNDREGS | \
+ XFEATURE_MASK_BNDCSR)
+
/*
* setup the xstate image representing the init state
*/
@@ -299,6 +316,8 @@ static void __init setup_init_fpu_buf(void)
{
static int on_boot_cpu = 1;

+ BUILD_BUG_ON(XCNTXT_MASK != XFEATURES_INIT_FPSTATE_HANDLED);
+
WARN_ON_FPU(!on_boot_cpu);
on_boot_cpu = 0;

@@ -319,10 +338,22 @@ static void __init setup_init_fpu_buf(void)
copy_kernel_to_xregs_booting(&init_fpstate.xsave);

/*
- * Dump the init state again. This is to identify the init state
- * of any feature which is not represented by all zero's.
+ * All components are now in init state. Read the state back so
+ * that init_fpstate contains all non-zero init state. This only
+ * works with XSAVE, but not with XSAVEOPT and XSAVES because
+ * those use the init optimization which skips writing data for
+ * components in init state.
+ *
+ * XSAVE could be used, but that would require to reshuffle the
+ * data when XSAVES is available because XSAVES uses xstate
+ * compaction. But doing so is a pointless exercise because most
+ * components have an all zeros init state except for the legacy
+ * ones (FP and SSE). Those can be saved with FXSAVE into the
+ * legacy area. Adding new features requires to ensure that init
+ * state is all zeroes or if not to add the necessary handling
+ * here.
*/
- copy_xregs_to_kernel_booting(&init_fpstate.xsave);
+ fxsave(&init_fpstate.fxsave);
}

static int xfeature_is_supervisor(int xfeature_nr)
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 68c9e5478fec..057c9df500d3 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -49,7 +49,7 @@ struct bma180_part_info {

u8 int_reset_reg, int_reset_mask;
u8 sleep_reg, sleep_mask;
- u8 bw_reg, bw_mask;
+ u8 bw_reg, bw_mask, bw_offset;
u8 scale_reg, scale_mask;
u8 power_reg, power_mask, lowpower_val;
u8 int_enable_reg, int_enable_mask;
@@ -105,6 +105,7 @@ struct bma180_part_info {

#define BMA250_RANGE_MASK GENMASK(3, 0) /* Range of accel values */
#define BMA250_BW_MASK GENMASK(4, 0) /* Accel bandwidth */
+#define BMA250_BW_OFFSET 8
#define BMA250_SUSPEND_MASK BIT(7) /* chip will sleep */
#define BMA250_LOWPOWER_MASK BIT(6)
#define BMA250_DATA_INTEN_MASK BIT(4)
@@ -242,7 +243,8 @@ static int bma180_set_bw(struct bma180_data *data, int val)
for (i = 0; i < data->part_info->num_bw; ++i) {
if (data->part_info->bw_table[i] == val) {
ret = bma180_set_bits(data, data->part_info->bw_reg,
- data->part_info->bw_mask, i);
+ data->part_info->bw_mask,
+ i + data->part_info->bw_offset);
if (ret) {
dev_err(&data->client->dev,
"failed to set bandwidth\n");
@@ -624,32 +626,53 @@ static const struct iio_chan_spec bma250_channels[] = {

static const struct bma180_part_info bma180_part_info[] = {
[BMA180] = {
- bma180_channels, ARRAY_SIZE(bma180_channels),
- bma180_scale_table, ARRAY_SIZE(bma180_scale_table),
- bma180_bw_table, ARRAY_SIZE(bma180_bw_table),
- BMA180_CTRL_REG0, BMA180_RESET_INT,
- BMA180_CTRL_REG0, BMA180_SLEEP,
- BMA180_BW_TCS, BMA180_BW,
- BMA180_OFFSET_LSB1, BMA180_RANGE,
- BMA180_TCO_Z, BMA180_MODE_CONFIG, BMA180_LOW_POWER,
- BMA180_CTRL_REG3, BMA180_NEW_DATA_INT,
- BMA180_RESET,
- bma180_chip_config,
- bma180_chip_disable,
+ .channels = bma180_channels,
+ .num_channels = ARRAY_SIZE(bma180_channels),
+ .scale_table = bma180_scale_table,
+ .num_scales = ARRAY_SIZE(bma180_scale_table),
+ .bw_table = bma180_bw_table,
+ .num_bw = ARRAY_SIZE(bma180_bw_table),
+ .int_reset_reg = BMA180_CTRL_REG0,
+ .int_reset_mask = BMA180_RESET_INT,
+ .sleep_reg = BMA180_CTRL_REG0,
+ .sleep_mask = BMA180_SLEEP,
+ .bw_reg = BMA180_BW_TCS,
+ .bw_mask = BMA180_BW,
+ .scale_reg = BMA180_OFFSET_LSB1,
+ .scale_mask = BMA180_RANGE,
+ .power_reg = BMA180_TCO_Z,
+ .power_mask = BMA180_MODE_CONFIG,
+ .lowpower_val = BMA180_LOW_POWER,
+ .int_enable_reg = BMA180_CTRL_REG3,
+ .int_enable_mask = BMA180_NEW_DATA_INT,
+ .softreset_reg = BMA180_RESET,
+ .chip_config = bma180_chip_config,
+ .chip_disable = bma180_chip_disable,
},
[BMA250] = {
- bma250_channels, ARRAY_SIZE(bma250_channels),
- bma250_scale_table, ARRAY_SIZE(bma250_scale_table),
- bma250_bw_table, ARRAY_SIZE(bma250_bw_table),
- BMA250_INT_RESET_REG, BMA250_INT_RESET_MASK,
- BMA250_POWER_REG, BMA250_SUSPEND_MASK,
- BMA250_BW_REG, BMA250_BW_MASK,
- BMA250_RANGE_REG, BMA250_RANGE_MASK,
- BMA250_POWER_REG, BMA250_LOWPOWER_MASK, 1,
- BMA250_INT_ENABLE_REG, BMA250_DATA_INTEN_MASK,
- BMA250_RESET_REG,
- bma250_chip_config,
- bma250_chip_disable,
+ .channels = bma250_channels,
+ .num_channels = ARRAY_SIZE(bma250_channels),
+ .scale_table = bma250_scale_table,
+ .num_scales = ARRAY_SIZE(bma250_scale_table),
+ .bw_table = bma250_bw_table,
+ .num_bw = ARRAY_SIZE(bma250_bw_table),
+ .int_reset_reg = BMA250_INT_RESET_REG,
+ .int_reset_mask = BMA250_INT_RESET_MASK,
+ .sleep_reg = BMA250_POWER_REG,
+ .sleep_mask = BMA250_SUSPEND_MASK,
+ .bw_reg = BMA250_BW_REG,
+ .bw_mask = BMA250_BW_MASK,
+ .bw_offset = BMA250_BW_OFFSET,
+ .scale_reg = BMA250_RANGE_REG,
+ .scale_mask = BMA250_RANGE_MASK,
+ .power_reg = BMA250_POWER_REG,
+ .power_mask = BMA250_LOWPOWER_MASK,
+ .lowpower_val = 1,
+ .int_enable_reg = BMA250_INT_ENABLE_REG,
+ .int_enable_mask = BMA250_DATA_INTEN_MASK,
+ .softreset_reg = BMA250_RESET_REG,
+ .chip_config = bma250_chip_config,
+ .chip_disable = bma250_chip_disable,
},
};

diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c
index 1b92d836a564..f0b989900877 100644
--- a/drivers/media/pci/ngene/ngene-core.c
+++ b/drivers/media/pci/ngene/ngene-core.c
@@ -402,7 +402,7 @@ static int ngene_command_config_free_buf(struct ngene *dev, u8 *config)

com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER;
com.cmd.hdr.Length = 6;
- memcpy(&com.cmd.ConfigureBuffers.config, config, 6);
+ memcpy(&com.cmd.ConfigureFreeBuffers.config, config, 6);
com.in_len = 6;
com.out_len = 0;

diff --git a/drivers/media/pci/ngene/ngene.h b/drivers/media/pci/ngene/ngene.h
index fa30930d7047..da154c406545 100644
--- a/drivers/media/pci/ngene/ngene.h
+++ b/drivers/media/pci/ngene/ngene.h
@@ -407,12 +407,14 @@ enum _BUFFER_CONFIGS {

struct FW_CONFIGURE_FREE_BUFFERS {
struct FW_HEADER hdr;
- u8 UVI1_BufferLength;
- u8 UVI2_BufferLength;
- u8 TVO_BufferLength;
- u8 AUD1_BufferLength;
- u8 AUD2_BufferLength;
- u8 TVA_BufferLength;
+ struct {
+ u8 UVI1_BufferLength;
+ u8 UVI2_BufferLength;
+ u8 TVO_BufferLength;
+ u8 AUD1_BufferLength;
+ u8 AUD2_BufferLength;
+ u8 TVA_BufferLength;
+ } __packed config;
} __attribute__ ((__packed__));

struct FW_CONFIGURE_UART {
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c
index 65b984d64350..26b37ba4feda 100644
--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -228,7 +228,8 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev)
fsl_ifc_ctrl_dev->regs = of_iomap(dev->dev.of_node, 0);
if (!fsl_ifc_ctrl_dev->regs) {
dev_err(&dev->dev, "failed to get memory region\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto err;
}

version = ifc_in32(&fsl_ifc_ctrl_dev->regs->ifc_rev) &
@@ -305,7 +306,6 @@ err_irq:
free_irq(fsl_ifc_ctrl_dev->irq, fsl_ifc_ctrl_dev);
irq_dispose_mapping(fsl_ifc_ctrl_dev->irq);
err:
- iounmap(fsl_ifc_ctrl_dev->gregs);
return ret;
}

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 3a6cebff9f42..a1f9f68575f4 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1094,7 +1094,7 @@ static void bcmgenet_power_up(struct bcmgenet_priv *priv,
switch (mode) {
case GENET_POWER_PASSIVE:
reg &= ~(EXT_PWR_DOWN_DLL | EXT_PWR_DOWN_PHY |
- EXT_PWR_DOWN_BIAS);
+ EXT_PWR_DOWN_BIAS | EXT_ENERGY_DET_MASK);
/* fallthrough */
case GENET_POWER_CABLE_SENSE:
/* enable APD */
@@ -2663,15 +2663,21 @@ static void bcmgenet_set_hw_addr(struct bcmgenet_priv *priv,
/* Returns a reusable dma control register value */
static u32 bcmgenet_dma_disable(struct bcmgenet_priv *priv)
{
+ unsigned int i;
u32 reg;
u32 dma_ctrl;

/* disable DMA */
dma_ctrl = 1 << (DESC_INDEX + DMA_RING_BUF_EN_SHIFT) | DMA_EN;
+ for (i = 0; i < priv->hw_params->tx_queues; i++)
+ dma_ctrl |= (1 << (i + DMA_RING_BUF_EN_SHIFT));
reg = bcmgenet_tdma_readl(priv, DMA_CTRL);
reg &= ~dma_ctrl;
bcmgenet_tdma_writel(priv, reg, DMA_CTRL);

+ dma_ctrl = 1 << (DESC_INDEX + DMA_RING_BUF_EN_SHIFT) | DMA_EN;
+ for (i = 0; i < priv->hw_params->rx_queues; i++)
+ dma_ctrl |= (1 << (i + DMA_RING_BUF_EN_SHIFT));
reg = bcmgenet_rdma_readl(priv, DMA_CTRL);
reg &= ~dma_ctrl;
bcmgenet_rdma_writel(priv, reg, DMA_CTRL);
@@ -2902,12 +2908,6 @@ static int bcmgenet_open(struct net_device *dev)

bcmgenet_set_hw_addr(priv, dev->dev_addr);

- if (priv->internal_phy) {
- reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
- reg |= EXT_ENERGY_DET_MASK;
- bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
- }
-
/* Disable RX/TX DMA and flush TX queues */
dma_ctrl = bcmgenet_dma_disable(priv);

@@ -3595,7 +3595,6 @@ static int bcmgenet_resume(struct device *d)
struct bcmgenet_priv *priv = netdev_priv(dev);
unsigned long dma_ctrl;
int ret;
- u32 reg;

if (!netif_running(dev))
return 0;
@@ -3630,12 +3629,6 @@ static int bcmgenet_resume(struct device *d)

bcmgenet_set_hw_addr(priv, dev->dev_addr);

- if (priv->internal_phy) {
- reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
- reg |= EXT_ENERGY_DET_MASK;
- bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
- }
-
if (priv->wolopts)
bcmgenet_power_up(priv, GENET_POWER_WOL_MAGIC);

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
index b97122926d3a..df107ed67220 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
@@ -167,12 +167,6 @@ int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv,
reg |= CMD_RX_EN;
bcmgenet_umac_writel(priv, reg, UMAC_CMD);

- if (priv->hw_params->flags & GENET_HAS_EXT) {
- reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
- reg &= ~EXT_ENERGY_DET_MASK;
- bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
- }
-
/* Enable the MPD interrupt */
cpu_mask_clear = UMAC_IRQ_MPD_R;

diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index 5f03ab3dfa19..8fdbc24b3cba 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -2503,6 +2503,7 @@ static int i40evf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err_ioremap:
free_netdev(netdev);
err_alloc_etherdev:
+ pci_disable_pcie_error_reporting(pdev);
pci_release_regions(pdev);
err_pci_reg:
err_dma:
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 682f52760898..6ccbf21547d0 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -945,6 +945,7 @@ static void igb_configure_msix(struct igb_adapter *adapter)
**/
static int igb_request_msix(struct igb_adapter *adapter)
{
+ unsigned int num_q_vectors = adapter->num_q_vectors;
struct net_device *netdev = adapter->netdev;
int i, err = 0, vector = 0, free_vector = 0;

@@ -953,7 +954,13 @@ static int igb_request_msix(struct igb_adapter *adapter)
if (err)
goto err_out;

- for (i = 0; i < adapter->num_q_vectors; i++) {
+ if (num_q_vectors > MAX_Q_VECTORS) {
+ num_q_vectors = MAX_Q_VECTORS;
+ dev_warn(&adapter->pdev->dev,
+ "The number of queue vectors (%d) is higher than max allowed (%d)\n",
+ adapter->num_q_vectors, MAX_Q_VECTORS);
+ }
+ for (i = 0; i < num_q_vectors; i++) {
struct igb_q_vector *q_vector = adapter->q_vector[i];

vector++;
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index 374e691b11da..295b5176bcf1 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -518,10 +518,8 @@ static int moxart_mac_probe(struct platform_device *pdev)
SET_NETDEV_DEV(ndev, &pdev->dev);

ret = register_netdev(ndev);
- if (ret) {
- free_netdev(ndev);
+ if (ret)
goto init_fail;
- }

netdev_dbg(ndev, "%s: IRQ=%d address=%pM\n",
__func__, ndev->irq, ndev->dev_addr);
diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index 399a89f30826..bc1638b0073f 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -313,9 +313,8 @@ static void tlan_remove_one(struct pci_dev *pdev)
pci_release_regions(pdev);
#endif

- free_netdev(dev);
-
cancel_work_sync(&priv->tlan_tqueue);
+ free_netdev(dev);
}

static void tlan_start(struct net_device *dev)
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index def3208dd290..9b5832b46dec 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -500,7 +500,7 @@ ahc_inq(struct ahc_softc *ahc, u_int port)
return ((ahc_inb(ahc, port))
| (ahc_inb(ahc, port+1) << 8)
| (ahc_inb(ahc, port+2) << 16)
- | (ahc_inb(ahc, port+3) << 24)
+ | (((uint64_t)ahc_inb(ahc, port+3)) << 24)
| (((uint64_t)ahc_inb(ahc, port+4)) << 32)
| (((uint64_t)ahc_inb(ahc, port+5)) << 40)
| (((uint64_t)ahc_inb(ahc, port+6)) << 48)
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index e0159e6a1065..39d03300d3d9 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -427,39 +427,10 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
struct device *dev = container_of(kobj, struct device, kobj);
struct iscsi_iface *iface = iscsi_dev_to_iface(dev);
struct iscsi_transport *t = iface->transport;
- int param;
- int param_type;
+ int param = -1;

if (attr == &dev_attr_iface_enabled.attr)
param = ISCSI_NET_PARAM_IFACE_ENABLE;
- else if (attr == &dev_attr_iface_vlan_id.attr)
- param = ISCSI_NET_PARAM_VLAN_ID;
- else if (attr == &dev_attr_iface_vlan_priority.attr)
- param = ISCSI_NET_PARAM_VLAN_PRIORITY;
- else if (attr == &dev_attr_iface_vlan_enabled.attr)
- param = ISCSI_NET_PARAM_VLAN_ENABLED;
- else if (attr == &dev_attr_iface_mtu.attr)
- param = ISCSI_NET_PARAM_MTU;
- else if (attr == &dev_attr_iface_port.attr)
- param = ISCSI_NET_PARAM_PORT;
- else if (attr == &dev_attr_iface_ipaddress_state.attr)
- param = ISCSI_NET_PARAM_IPADDR_STATE;
- else if (attr == &dev_attr_iface_delayed_ack_en.attr)
- param = ISCSI_NET_PARAM_DELAYED_ACK_EN;
- else if (attr == &dev_attr_iface_tcp_nagle_disable.attr)
- param = ISCSI_NET_PARAM_TCP_NAGLE_DISABLE;
- else if (attr == &dev_attr_iface_tcp_wsf_disable.attr)
- param = ISCSI_NET_PARAM_TCP_WSF_DISABLE;
- else if (attr == &dev_attr_iface_tcp_wsf.attr)
- param = ISCSI_NET_PARAM_TCP_WSF;
- else if (attr == &dev_attr_iface_tcp_timer_scale.attr)
- param = ISCSI_NET_PARAM_TCP_TIMER_SCALE;
- else if (attr == &dev_attr_iface_tcp_timestamp_en.attr)
- param = ISCSI_NET_PARAM_TCP_TIMESTAMP_EN;
- else if (attr == &dev_attr_iface_cache_id.attr)
- param = ISCSI_NET_PARAM_CACHE_ID;
- else if (attr == &dev_attr_iface_redirect_en.attr)
- param = ISCSI_NET_PARAM_REDIRECT_EN;
else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO;
else if (attr == &dev_attr_iface_header_digest.attr)
@@ -496,6 +467,38 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
param = ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN;
else if (attr == &dev_attr_iface_initiator_name.attr)
param = ISCSI_IFACE_PARAM_INITIATOR_NAME;
+
+ if (param != -1)
+ return t->attr_is_visible(ISCSI_IFACE_PARAM, param);
+
+ if (attr == &dev_attr_iface_vlan_id.attr)
+ param = ISCSI_NET_PARAM_VLAN_ID;
+ else if (attr == &dev_attr_iface_vlan_priority.attr)
+ param = ISCSI_NET_PARAM_VLAN_PRIORITY;
+ else if (attr == &dev_attr_iface_vlan_enabled.attr)
+ param = ISCSI_NET_PARAM_VLAN_ENABLED;
+ else if (attr == &dev_attr_iface_mtu.attr)
+ param = ISCSI_NET_PARAM_MTU;
+ else if (attr == &dev_attr_iface_port.attr)
+ param = ISCSI_NET_PARAM_PORT;
+ else if (attr == &dev_attr_iface_ipaddress_state.attr)
+ param = ISCSI_NET_PARAM_IPADDR_STATE;
+ else if (attr == &dev_attr_iface_delayed_ack_en.attr)
+ param = ISCSI_NET_PARAM_DELAYED_ACK_EN;
+ else if (attr == &dev_attr_iface_tcp_nagle_disable.attr)
+ param = ISCSI_NET_PARAM_TCP_NAGLE_DISABLE;
+ else if (attr == &dev_attr_iface_tcp_wsf_disable.attr)
+ param = ISCSI_NET_PARAM_TCP_WSF_DISABLE;
+ else if (attr == &dev_attr_iface_tcp_wsf.attr)
+ param = ISCSI_NET_PARAM_TCP_WSF;
+ else if (attr == &dev_attr_iface_tcp_timer_scale.attr)
+ param = ISCSI_NET_PARAM_TCP_TIMER_SCALE;
+ else if (attr == &dev_attr_iface_tcp_timestamp_en.attr)
+ param = ISCSI_NET_PARAM_TCP_TIMESTAMP_EN;
+ else if (attr == &dev_attr_iface_cache_id.attr)
+ param = ISCSI_NET_PARAM_CACHE_ID;
+ else if (attr == &dev_attr_iface_redirect_en.attr)
+ param = ISCSI_NET_PARAM_REDIRECT_EN;
else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
if (attr == &dev_attr_ipv4_iface_ipaddress.attr)
param = ISCSI_NET_PARAM_IPV4_ADDR;
@@ -586,32 +589,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
return 0;
}

- switch (param) {
- case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
- case ISCSI_IFACE_PARAM_HDRDGST_EN:
- case ISCSI_IFACE_PARAM_DATADGST_EN:
- case ISCSI_IFACE_PARAM_IMM_DATA_EN:
- case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
- case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
- case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
- case ISCSI_IFACE_PARAM_ERL:
- case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
- case ISCSI_IFACE_PARAM_FIRST_BURST:
- case ISCSI_IFACE_PARAM_MAX_R2T:
- case ISCSI_IFACE_PARAM_MAX_BURST:
- case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
- case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
- case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
- case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
- case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
- case ISCSI_IFACE_PARAM_INITIATOR_NAME:
- param_type = ISCSI_IFACE_PARAM;
- break;
- default:
- param_type = ISCSI_NET_PARAM;
- }
-
- return t->attr_is_visible(param_type, param);
+ return t->attr_is_visible(ISCSI_NET_PARAM, param);
}

static struct attribute *iscsi_iface_attrs[] = {
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index 608117819366..a2ffa10e5a41 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -37,7 +37,7 @@
#include "target_core_alua.h"

static sense_reason_t
-sbc_check_prot(struct se_device *, struct se_cmd *, unsigned char *, u32, bool);
+sbc_check_prot(struct se_device *, struct se_cmd *, unsigned char, u32, bool);
static sense_reason_t sbc_execute_unmap(struct se_cmd *cmd);

static sense_reason_t
@@ -311,14 +311,14 @@ 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)
+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);
sense_reason_t ret;

- if ((flags[0] & 0x04) || (flags[0] & 0x02)) {
+ if ((flags & 0x04) || (flags & 0x02)) {
pr_err("WRITE_SAME PBDATA and LBDATA"
" bits not supported for Block Discard"
" Emulation\n");
@@ -340,7 +340,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
}

/* We always have ANC_SUP == 0 so setting ANCHOR is always an error */
- if (flags[0] & 0x10) {
+ if (flags & 0x10) {
pr_warn("WRITE SAME with ANCHOR not supported\n");
return TCM_INVALID_CDB_FIELD;
}
@@ -348,7 +348,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
* Special case for WRITE_SAME w/ UNMAP=1 that ends up getting
* translated into block discard requests within backend code.
*/
- if (flags[0] & 0x08) {
+ if (flags & 0x08) {
if (!ops->execute_unmap)
return TCM_UNSUPPORTED_SCSI_OPCODE;

@@ -363,7 +363,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
if (!ops->execute_write_same)
return TCM_UNSUPPORTED_SCSI_OPCODE;

- ret = sbc_check_prot(dev, cmd, &cmd->t_task_cdb[0], sectors, true);
+ ret = sbc_check_prot(dev, cmd, flags >> 5, sectors, true);
if (ret)
return ret;

@@ -721,10 +721,9 @@ sbc_set_prot_op_checks(u8 protect, bool fabric_prot, enum target_prot_type prot_
}

static sense_reason_t
-sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb,
+sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char protect,
u32 sectors, bool is_write)
{
- u8 protect = cdb[1] >> 5;
int sp_ops = cmd->se_sess->sup_prot_ops;
int pi_prot_type = dev->dev_attrib.pi_prot_type;
bool fabric_prot = false;
@@ -772,7 +771,7 @@ sbc_check_prot(struct se_device *dev, struct se_cmd *cmd, unsigned char *cdb,
/* Fallthrough */
default:
pr_err("Unable to determine pi_prot_type for CDB: 0x%02x "
- "PROTECT: 0x%02x\n", cdb[0], protect);
+ "PROTECT: 0x%02x\n", cmd->t_task_cdb[0], protect);
return TCM_INVALID_CDB_FIELD;
}

@@ -847,7 +846,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (sbc_check_dpofua(dev, cmd, cdb))
return TCM_INVALID_CDB_FIELD;

- ret = sbc_check_prot(dev, cmd, cdb, sectors, false);
+ ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false);
if (ret)
return ret;

@@ -861,7 +860,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (sbc_check_dpofua(dev, cmd, cdb))
return TCM_INVALID_CDB_FIELD;

- ret = sbc_check_prot(dev, cmd, cdb, sectors, false);
+ ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false);
if (ret)
return ret;

@@ -875,7 +874,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (sbc_check_dpofua(dev, cmd, cdb))
return TCM_INVALID_CDB_FIELD;

- ret = sbc_check_prot(dev, cmd, cdb, sectors, false);
+ ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, false);
if (ret)
return ret;

@@ -896,7 +895,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (sbc_check_dpofua(dev, cmd, cdb))
return TCM_INVALID_CDB_FIELD;

- ret = sbc_check_prot(dev, cmd, cdb, sectors, true);
+ ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true);
if (ret)
return ret;

@@ -910,7 +909,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (sbc_check_dpofua(dev, cmd, cdb))
return TCM_INVALID_CDB_FIELD;

- ret = sbc_check_prot(dev, cmd, cdb, sectors, true);
+ ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true);
if (ret)
return ret;

@@ -924,7 +923,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
if (sbc_check_dpofua(dev, cmd, cdb))
return TCM_INVALID_CDB_FIELD;

- ret = sbc_check_prot(dev, cmd, cdb, sectors, true);
+ ret = sbc_check_prot(dev, cmd, cdb[1] >> 5, sectors, true);
if (ret)
return ret;

@@ -983,7 +982,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
size = sbc_get_size(cmd, 1);
cmd->t_task_lba = get_unaligned_be64(&cdb[12]);

- ret = sbc_setup_write_same(cmd, &cdb[10], ops);
+ ret = sbc_setup_write_same(cmd, cdb[10], ops);
if (ret)
return ret;
break;
@@ -1076,7 +1075,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
size = sbc_get_size(cmd, 1);
cmd->t_task_lba = get_unaligned_be64(&cdb[2]);

- ret = sbc_setup_write_same(cmd, &cdb[1], ops);
+ ret = sbc_setup_write_same(cmd, cdb[1], ops);
if (ret)
return ret;
break;
@@ -1094,7 +1093,7 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops)
* Follow sbcr26 with WRITE_SAME (10) and check for the existence
* of byte 1 bit 3 UNMAP instead of original reserved field
*/
- ret = sbc_setup_write_same(cmd, &cdb[1], ops);
+ ret = sbc_setup_write_same(cmd, cdb[1], ops);
if (ret)
return ret;
break;
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index a6df07786362..94497787a076 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1956,7 +1956,7 @@ unregister:
EXPORT_SYMBOL_GPL(thermal_zone_device_register);

/**
- * thermal_device_unregister - removes the registered thermal zone device
+ * thermal_zone_device_unregister - removes the registered thermal zone device
* @tz: the thermal zone device to remove
*/
void thermal_zone_device_unregister(struct thermal_zone_device *tz)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 6e2bf3e69a0a..6910a6d7c63e 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3836,6 +3836,47 @@ static int usb_set_lpm_timeout(struct usb_device *udev,
return 0;
}

+/*
+ * Don't allow device intiated U1/U2 if the system exit latency + one bus
+ * interval is greater than the minimum service interval of any active
+ * periodic endpoint. See USB 3.2 section 9.4.9
+ */
+static bool usb_device_may_initiate_lpm(struct usb_device *udev,
+ enum usb3_link_state state)
+{
+ unsigned int sel; /* us */
+ int i, j;
+
+ if (state == USB3_LPM_U1)
+ sel = DIV_ROUND_UP(udev->u1_params.sel, 1000);
+ else if (state == USB3_LPM_U2)
+ sel = DIV_ROUND_UP(udev->u2_params.sel, 1000);
+ else
+ return false;
+
+ for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
+ struct usb_interface *intf;
+ struct usb_endpoint_descriptor *desc;
+ unsigned int interval;
+
+ intf = udev->actconfig->interface[i];
+ if (!intf)
+ continue;
+
+ for (j = 0; j < intf->cur_altsetting->desc.bNumEndpoints; j++) {
+ desc = &intf->cur_altsetting->endpoint[j].desc;
+
+ if (usb_endpoint_xfer_int(desc) ||
+ usb_endpoint_xfer_isoc(desc)) {
+ interval = (1 << (desc->bInterval - 1)) * 125;
+ if (sel + 125 > interval)
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
/*
* Enable the hub-initiated U1/U2 idle timeouts, and enable device-initiated
* U1/U2 entry.
@@ -3908,20 +3949,23 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
* U1/U2_ENABLE
*/
if (udev->actconfig &&
- usb_set_device_initiated_lpm(udev, state, true) == 0) {
- if (state == USB3_LPM_U1)
- udev->usb3_lpm_u1_enabled = 1;
- else if (state == USB3_LPM_U2)
- udev->usb3_lpm_u2_enabled = 1;
- } else {
- /* Don't request U1/U2 entry if the device
- * cannot transition to U1/U2.
- */
- usb_set_lpm_timeout(udev, state, 0);
- hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state);
+ usb_device_may_initiate_lpm(udev, state)) {
+ if (usb_set_device_initiated_lpm(udev, state, true)) {
+ /*
+ * Request to enable device initiated U1/U2 failed,
+ * better to turn off lpm in this case.
+ */
+ usb_set_lpm_timeout(udev, state, 0);
+ hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state);
+ return;
+ }
}
-}

+ if (state == USB3_LPM_U1)
+ udev->usb3_lpm_u1_enabled = 1;
+ else if (state == USB3_LPM_U2)
+ udev->usb3_lpm_u2_enabled = 1;
+}
/*
* Disable the hub-initiated U1/U2 idle timeouts, and disable device-initiated
* U1/U2 entry.
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 3dfd584a1ef3..2ca6ed207e26 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -325,10 +325,6 @@ static const struct usb_device_id usb_quirk_list[] = {
/* DJI CineSSD */
{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },

- /* Fibocom L850-GL LTE Modem */
- { USB_DEVICE(0x2cb7, 0x0007), .driver_info =
- USB_QUIRK_IGNORE_REMOTE_WAKEUP },
-
/* INTEL VALUE SSD */
{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },

diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index bd98706d1ce9..2f8a5fa28a80 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -149,8 +149,6 @@ struct max3421_hcd {
*/
struct urb *curr_urb;
enum scheduling_pass sched_pass;
- struct usb_device *loaded_dev; /* dev that's loaded into the chip */
- int loaded_epnum; /* epnum whose toggles are loaded */
int urb_done; /* > 0 -> no errors, < 0: errno */
size_t curr_len;
u8 hien;
@@ -488,39 +486,17 @@ max3421_set_speed(struct usb_hcd *hcd, struct usb_device *dev)
* Caller must NOT hold HCD spinlock.
*/
static void
-max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum,
- int force_toggles)
+max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum)
{
- struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd);
- int old_epnum, same_ep, rcvtog, sndtog;
- struct usb_device *old_dev;
+ int rcvtog, sndtog;
u8 hctl;

- old_dev = max3421_hcd->loaded_dev;
- old_epnum = max3421_hcd->loaded_epnum;
-
- same_ep = (dev == old_dev && epnum == old_epnum);
- if (same_ep && !force_toggles)
- return;
-
- if (old_dev && !same_ep) {
- /* save the old end-points toggles: */
- u8 hrsl = spi_rd8(hcd, MAX3421_REG_HRSL);
-
- rcvtog = (hrsl >> MAX3421_HRSL_RCVTOGRD_BIT) & 1;
- sndtog = (hrsl >> MAX3421_HRSL_SNDTOGRD_BIT) & 1;
-
- /* no locking: HCD (i.e., we) own toggles, don't we? */
- usb_settoggle(old_dev, old_epnum, 0, rcvtog);
- usb_settoggle(old_dev, old_epnum, 1, sndtog);
- }
/* setup new endpoint's toggle bits: */
rcvtog = usb_gettoggle(dev, epnum, 0);
sndtog = usb_gettoggle(dev, epnum, 1);
hctl = (BIT(rcvtog + MAX3421_HCTL_RCVTOG0_BIT) |
BIT(sndtog + MAX3421_HCTL_SNDTOG0_BIT));

- max3421_hcd->loaded_epnum = epnum;
spi_wr8(hcd, MAX3421_REG_HCTL, hctl);

/*
@@ -528,7 +504,6 @@ max3421_set_address(struct usb_hcd *hcd, struct usb_device *dev, int epnum,
* address-assignment so it's best to just always load the
* address whenever the end-point changed/was forced.
*/
- max3421_hcd->loaded_dev = dev;
spi_wr8(hcd, MAX3421_REG_PERADDR, dev->devnum);
}

@@ -663,7 +638,7 @@ max3421_select_and_start_urb(struct usb_hcd *hcd)
struct max3421_hcd *max3421_hcd = hcd_to_max3421(hcd);
struct urb *urb, *curr_urb = NULL;
struct max3421_ep *max3421_ep;
- int epnum, force_toggles = 0;
+ int epnum;
struct usb_host_endpoint *ep;
struct list_head *pos;
unsigned long flags;
@@ -773,7 +748,6 @@ done:
usb_settoggle(urb->dev, epnum, 0, 1);
usb_settoggle(urb->dev, epnum, 1, 1);
max3421_ep->pkt_state = PKT_STATE_SETUP;
- force_toggles = 1;
} else
max3421_ep->pkt_state = PKT_STATE_TRANSFER;
}
@@ -781,7 +755,7 @@ done:
spin_unlock_irqrestore(&max3421_hcd->lock, flags);

max3421_ep->last_active = max3421_hcd->frame_number;
- max3421_set_address(hcd, urb->dev, epnum, force_toggles);
+ max3421_set_address(hcd, urb->dev, epnum);
max3421_set_speed(hcd, urb->dev);
max3421_next_transfer(hcd, 0);
return 1;
@@ -1382,6 +1356,16 @@ max3421_urb_done(struct usb_hcd *hcd)
status = 0;
urb = max3421_hcd->curr_urb;
if (urb) {
+ /* save the old end-points toggles: */
+ u8 hrsl = spi_rd8(hcd, MAX3421_REG_HRSL);
+ int rcvtog = (hrsl >> MAX3421_HRSL_RCVTOGRD_BIT) & 1;
+ int sndtog = (hrsl >> MAX3421_HRSL_SNDTOGRD_BIT) & 1;
+ int epnum = usb_endpoint_num(&urb->ep->desc);
+
+ /* no locking: HCD (i.e., we) own toggles, don't we? */
+ usb_settoggle(urb->dev, epnum, 0, rcvtog);
+ usb_settoggle(urb->dev, epnum, 1, sndtog);
+
max3421_hcd->curr_urb = NULL;
spin_lock_irqsave(&max3421_hcd->lock, flags);
usb_hcd_unlink_urb_from_ep(hcd, urb);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 74d5975bf98f..6113b9da00c6 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1268,11 +1268,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
* Inform the usbcore about resume-in-progress by returning
* a non-zero value even if there are no status changes.
*/
+ spin_lock_irqsave(&xhci->lock, flags);
+
status = bus_state->resuming_ports;

mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC | PORT_CEC;

- spin_lock_irqsave(&xhci->lock, flags);
/* For each port, did anything change? If so, set that bit in buf. */
for (i = 0; i < max_ports; i++) {
temp = readl(port_array[i]);
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 7d329c6bc65f..793bd764385a 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -115,6 +115,8 @@ static struct dma_chan *usbhsf_dma_chan_get(struct usbhs_fifo *fifo,
#define usbhsf_dma_map(p) __usbhsf_dma_map_ctrl(p, 1)
#define usbhsf_dma_unmap(p) __usbhsf_dma_map_ctrl(p, 0)
static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map);
+static void usbhsf_tx_irq_ctrl(struct usbhs_pipe *pipe, int enable);
+static void usbhsf_rx_irq_ctrl(struct usbhs_pipe *pipe, int enable);
struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt)
{
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
@@ -138,6 +140,11 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt)
dmaengine_terminate_all(chan);
usbhsf_fifo_clear(pipe, fifo);
usbhsf_dma_unmap(pkt);
+ } else {
+ if (usbhs_pipe_is_dir_in(pipe))
+ usbhsf_rx_irq_ctrl(pipe, 0);
+ else
+ usbhsf_tx_irq_ctrl(pipe, 0);
}

usbhs_pipe_running(pipe, 0);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 91462ff9a99d..f039b85d5f57 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -152,6 +152,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x89A4) }, /* CESINEL FTBC Flexible Thyristor Bridge Controller */
{ USB_DEVICE(0x10C4, 0x89FB) }, /* Qivicon ZigBee USB Radio Stick */
{ USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */
+ { USB_DEVICE(0x10C4, 0x8A5B) }, /* CEL EM3588 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */
{ USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
@@ -199,8 +200,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */
{ USB_DEVICE(0x1901, 0x0195) }, /* GE B850/B650/B450 CP2104 DP UART interface */
{ USB_DEVICE(0x1901, 0x0196) }, /* GE B850 CP2105 DP UART interface */
- { USB_DEVICE(0x1901, 0x0197) }, /* GE CS1000 Display serial interface */
- { USB_DEVICE(0x1901, 0x0198) }, /* GE CS1000 M.2 Key E serial interface */
+ { USB_DEVICE(0x1901, 0x0197) }, /* GE CS1000 M.2 Key E serial interface */
+ { USB_DEVICE(0x1901, 0x0198) }, /* GE CS1000 Display serial interface */
{ USB_DEVICE(0x199B, 0xBA30) }, /* LORD WSDA-200-USB */
{ USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6faa9ac53887..b9017e85cc1a 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -241,6 +241,7 @@ static void option_instat_callback(struct urb *urb);
#define QUECTEL_PRODUCT_UC15 0x9090
/* These u-blox products use Qualcomm's vendor ID */
#define UBLOX_PRODUCT_R410M 0x90b2
+#define UBLOX_PRODUCT_R6XX 0x90fa
/* These Yuga products use Qualcomm's vendor ID */
#define YUGA_PRODUCT_CLM920_NC5 0x9625

@@ -1098,6 +1099,8 @@ static const struct usb_device_id option_ids[] = {
/* u-blox products using Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R410M),
.driver_info = RSVD(1) | RSVD(3) },
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, UBLOX_PRODUCT_R6XX),
+ .driver_info = RSVD(3) },
/* Quectel products using Quectel vendor ID */
{ USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21),
.driver_info = RSVD(4) },
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 7f4245b01bae..648130903b03 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -54,6 +54,13 @@ UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_REPORT_OPCODES),

+/* Reported-by: Julian Sikorski <belegdol@xxxxxxxxx> */
+UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999,
+ "LaCie",
+ "Rugged USB3-FW",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_UAS),
+
/*
* Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
* commands in UAS mode. Observed with the 1.28 firmware; are there others?
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6d846ff696fb..da4ad006739d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -476,7 +476,7 @@ again:
* inode has not been flagged as nocompress. This flag can
* change at any time if we discover bad compression ratios.
*/
- if (inode_need_compress(inode)) {
+ if (nr_pages > 1 && inode_need_compress(inode)) {
WARN_ON(pages);
pages = kcalloc(nr_pages, sizeof(struct page *), GFP_NOFS);
if (!pages) {
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b1ff8eb61802..4d68f5a9e4aa 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -887,7 +887,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf,
flags |= FOLL_WRITE;

while (count > 0) {
- int this_len = min_t(int, count, PAGE_SIZE);
+ size_t this_len = min_t(size_t, count, PAGE_SIZE);

if (write && copy_from_user(page, buf, this_len)) {
copied = -EFAULT;
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index 30a56ab2ccfb..4cee368cb91c 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -31,7 +31,9 @@ static inline struct ip_tunnel_info *skb_tunnel_info(struct sk_buff *skb)
return &md_dst->u.tun_info;

dst = skb_dst(skb);
- if (dst && dst->lwtstate)
+ if (dst && dst->lwtstate &&
+ (dst->lwtstate->type == LWTUNNEL_ENCAP_IP ||
+ dst->lwtstate->type == LWTUNNEL_ENCAP_IP6))
return lwt_tun_info(dst->lwtstate);

return NULL;
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 8d0a9b1fc39a..69e226324f68 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -181,7 +181,7 @@ static inline bool ipv6_anycast_destination(const struct dst_entry *dst,
int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
int (*output)(struct net *, struct sock *, struct sk_buff *));

-static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
+static inline unsigned int ip6_skb_dst_mtu(struct sk_buff *skb)
{
struct ipv6_pinfo *np = skb->sk && !dev_recursion_level() ?
inet6_sk(skb->sk) : NULL;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 15952d0e340b..e00f17070cb2 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3852,7 +3852,7 @@ static const u64 cfs_bandwidth_slack_period = 5 * NSEC_PER_MSEC;
static int runtime_refresh_within(struct cfs_bandwidth *cfs_b, u64 min_expire)
{
struct hrtimer *refresh_timer = &cfs_b->period_timer;
- u64 remaining;
+ s64 remaining;

/* if the call-back is running a quota refresh is already occurring */
if (hrtimer_callback_running(refresh_timer))
@@ -3860,7 +3860,7 @@ static int runtime_refresh_within(struct cfs_bandwidth *cfs_b, u64 min_expire)

/* is a quota refresh about to occur? */
remaining = ktime_to_ns(hrtimer_expires_remaining(refresh_timer));
- if (remaining < min_expire)
+ if (remaining < (s64)min_expire)
return 1;

return 0;
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 1ec760f6bf58..19b30ff90cc4 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -3086,10 +3086,30 @@ static bool rb_per_cpu_empty(struct ring_buffer_per_cpu *cpu_buffer)
if (unlikely(!head))
return true;

- return reader->read == rb_page_commit(reader) &&
- (commit == reader ||
- (commit == head &&
- head->read == rb_page_commit(commit)));
+ /* Reader should exhaust content in reader page */
+ if (reader->read != rb_page_commit(reader))
+ return false;
+
+ /*
+ * If writers are committing on the reader page, knowing all
+ * committed content has been read, the ring buffer is empty.
+ */
+ if (commit == reader)
+ return true;
+
+ /*
+ * If writers are committing on a page other than reader page
+ * and head page, there should always be content to read.
+ */
+ if (commit != head)
+ return false;
+
+ /*
+ * Writers are committing on the head page, we just need
+ * to care about there're committed data, and the reader will
+ * swap reader page with head page when it is to read data.
+ */
+ return rb_page_commit(commit) == 0;
}

/**
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index aa209b1066c9..3cfd413aa2c8 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -539,7 +539,8 @@ static int caif_seqpkt_sendmsg(struct socket *sock, struct msghdr *msg,
goto err;

ret = -EINVAL;
- if (unlikely(msg->msg_iter.iov->iov_base == NULL))
+ if (unlikely(msg->msg_iter.nr_segs == 0) ||
+ unlikely(msg->msg_iter.iov->iov_base == NULL))
goto err;
noblock = msg->msg_flags & MSG_DONTWAIT;

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 9d8fcdefefc0..ee297964fcd2 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -823,7 +823,7 @@ static int dn_auto_bind(struct socket *sock)
static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation)
{
struct dn_scp *scp = DN_SK(sk);
- DEFINE_WAIT(wait);
+ DEFINE_WAIT_FUNC(wait, woken_wake_function);
int err;

if (scp->state != DN_CR)
@@ -833,11 +833,11 @@ static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation)
scp->segsize_loc = dst_metric_advmss(__sk_dst_get(sk));
dn_send_conn_conf(sk, allocation);

- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+ add_wait_queue(sk_sleep(sk), &wait);
for(;;) {
release_sock(sk);
if (scp->state == DN_CC)
- *timeo = schedule_timeout(*timeo);
+ *timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, *timeo);
lock_sock(sk);
err = 0;
if (scp->state == DN_RUN)
@@ -851,9 +851,8 @@ static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation)
err = -EAGAIN;
if (!*timeo)
break;
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
}
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
if (err == 0) {
sk->sk_socket->state = SS_CONNECTED;
} else if (scp->state != DN_CC) {
@@ -865,7 +864,7 @@ static int dn_confirm_accept(struct sock *sk, long *timeo, gfp_t allocation)
static int dn_wait_run(struct sock *sk, long *timeo)
{
struct dn_scp *scp = DN_SK(sk);
- DEFINE_WAIT(wait);
+ DEFINE_WAIT_FUNC(wait, woken_wake_function);
int err = 0;

if (scp->state == DN_RUN)
@@ -874,11 +873,11 @@ static int dn_wait_run(struct sock *sk, long *timeo)
if (!*timeo)
return -EALREADY;

- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+ add_wait_queue(sk_sleep(sk), &wait);
for(;;) {
release_sock(sk);
if (scp->state == DN_CI || scp->state == DN_CC)
- *timeo = schedule_timeout(*timeo);
+ *timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, *timeo);
lock_sock(sk);
err = 0;
if (scp->state == DN_RUN)
@@ -892,9 +891,8 @@ static int dn_wait_run(struct sock *sk, long *timeo)
err = -ETIMEDOUT;
if (!*timeo)
break;
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
}
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);
out:
if (err == 0) {
sk->sk_socket->state = SS_CONNECTED;
@@ -1039,16 +1037,16 @@ static void dn_user_copy(struct sk_buff *skb, struct optdata_dn *opt)

static struct sk_buff *dn_wait_for_connect(struct sock *sk, long *timeo)
{
- DEFINE_WAIT(wait);
+ DEFINE_WAIT_FUNC(wait, woken_wake_function);
struct sk_buff *skb = NULL;
int err = 0;

- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+ add_wait_queue(sk_sleep(sk), &wait);
for(;;) {
release_sock(sk);
skb = skb_dequeue(&sk->sk_receive_queue);
if (skb == NULL) {
- *timeo = schedule_timeout(*timeo);
+ *timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, *timeo);
skb = skb_dequeue(&sk->sk_receive_queue);
}
lock_sock(sk);
@@ -1063,9 +1061,8 @@ static struct sk_buff *dn_wait_for_connect(struct sock *sk, long *timeo)
err = -EAGAIN;
if (!*timeo)
break;
- prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
}
- finish_wait(sk_sleep(sk), &wait);
+ remove_wait_queue(sk_sleep(sk), &wait);

return skb == NULL ? ERR_PTR(err) : skb;
}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3826745a160e..bb6d251ce103 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -277,7 +277,7 @@ void tcp_v4_mtu_reduced(struct sock *sk)

if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))
return;
- mtu = tcp_sk(sk)->mtu_info;
+ mtu = READ_ONCE(tcp_sk(sk)->mtu_info);
dst = inet_csk_update_pmtu(sk, mtu);
if (!dst)
return;
@@ -444,7 +444,7 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
if (sk->sk_state == TCP_LISTEN)
goto out;

- tp->mtu_info = info;
+ WRITE_ONCE(tp->mtu_info, info);
if (!sock_owned_by_user(sk)) {
tcp_v4_mtu_reduced(sk);
} else {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index db037082e6f2..3f061bbf842a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1353,6 +1353,7 @@ int tcp_mtu_to_mss(struct sock *sk, int pmtu)
return __tcp_mtu_to_mss(sk, pmtu) -
(tcp_sk(sk)->tcp_header_len - sizeof(struct tcphdr));
}
+EXPORT_SYMBOL(tcp_mtu_to_mss);

/* Inverse of above */
int tcp_mss_to_mtu(struct sock *sk, int mss)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 53e15514d90d..68c9d033c718 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -308,11 +308,20 @@ failure:
static void tcp_v6_mtu_reduced(struct sock *sk)
{
struct dst_entry *dst;
+ u32 mtu;

if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE))
return;

- dst = inet6_csk_update_pmtu(sk, tcp_sk(sk)->mtu_info);
+ mtu = READ_ONCE(tcp_sk(sk)->mtu_info);
+
+ /* Drop requests trying to increase our current mss.
+ * Check done in __ip6_rt_update_pmtu() is too late.
+ */
+ if (tcp_mtu_to_mss(sk, mtu) >= tcp_sk(sk)->mss_cache)
+ return;
+
+ dst = inet6_csk_update_pmtu(sk, mtu);
if (!dst)
return;

@@ -391,6 +400,8 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
}

if (type == ICMPV6_PKT_TOOBIG) {
+ u32 mtu = ntohl(info);
+
/* We are not interested in TCP_LISTEN and open_requests
* (SYN-ACKs send out by Linux are always <576bytes so
* they should go through unfragmented).
@@ -401,7 +412,11 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (!ip6_sk_accept_pmtu(sk))
goto out;

- tp->mtu_info = ntohl(info);
+ if (mtu < IPV6_MIN_MTU)
+ goto out;
+
+ WRITE_ONCE(tp->mtu_info, mtu);
+
if (!sock_owned_by_user(sk))
tcp_v6_mtu_reduced(sk);
else if (!test_and_set_bit(TCP_MTU_REDUCED_DEFERRED,
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index b2dc9a820c6a..ef6cc9eb0e45 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -141,7 +141,7 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
struct xfrm_state *x = dst->xfrm;
- int mtu;
+ unsigned int mtu;
bool toobig;

#ifdef CONFIG_NETFILTER
diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c
index f0ecaec1ff3d..d1a0b7056743 100644
--- a/net/netrom/nr_timer.c
+++ b/net/netrom/nr_timer.c
@@ -125,11 +125,9 @@ static void nr_heartbeat_expiry(unsigned long param)
is accepted() it isn't 'dead' so doesn't get removed. */
if (sock_flag(sk, SOCK_DESTROY) ||
(sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) {
- sock_hold(sk);
bh_unlock_sock(sk);
nr_destroy_socket(sk);
- sock_put(sk);
- return;
+ goto out;
}
break;

@@ -150,6 +148,8 @@ static void nr_heartbeat_expiry(unsigned long param)

nr_start_heartbeat(sk);
bh_unlock_sock(sk);
+out:
+ sock_put(sk);
}

static void nr_t2timer_expiry(unsigned long param)
@@ -163,6 +163,7 @@ static void nr_t2timer_expiry(unsigned long param)
nr_enquiry_response(sk);
}
bh_unlock_sock(sk);
+ sock_put(sk);
}

static void nr_t4timer_expiry(unsigned long param)
@@ -172,6 +173,7 @@ static void nr_t4timer_expiry(unsigned long param)
bh_lock_sock(sk);
nr_sk(sk)->condition &= ~NR_COND_PEER_RX_BUSY;
bh_unlock_sock(sk);
+ sock_put(sk);
}

static void nr_idletimer_expiry(unsigned long param)
@@ -200,6 +202,7 @@ static void nr_idletimer_expiry(unsigned long param)
sock_set_flag(sk, SOCK_DEAD);
}
bh_unlock_sock(sk);
+ sock_put(sk);
}

static void nr_t1timer_expiry(unsigned long param)
@@ -212,8 +215,7 @@ static void nr_t1timer_expiry(unsigned long param)
case NR_STATE_1:
if (nr->n2count == nr->n2) {
nr_disconnect(sk, ETIMEDOUT);
- bh_unlock_sock(sk);
- return;
+ goto out;
} else {
nr->n2count++;
nr_write_internal(sk, NR_CONNREQ);
@@ -223,8 +225,7 @@ static void nr_t1timer_expiry(unsigned long param)
case NR_STATE_2:
if (nr->n2count == nr->n2) {
nr_disconnect(sk, ETIMEDOUT);
- bh_unlock_sock(sk);
- return;
+ goto out;
} else {
nr->n2count++;
nr_write_internal(sk, NR_DISCREQ);
@@ -234,8 +235,7 @@ static void nr_t1timer_expiry(unsigned long param)
case NR_STATE_3:
if (nr->n2count == nr->n2) {
nr_disconnect(sk, ETIMEDOUT);
- bh_unlock_sock(sk);
- return;
+ goto out;
} else {
nr->n2count++;
nr_requeue_frames(sk);
@@ -244,5 +244,7 @@ static void nr_t1timer_expiry(unsigned long param)
}

nr_start_t1timer(sk);
+out:
bh_unlock_sock(sk);
+ sock_put(sk);
}
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index 6fdc97ef6023..cb73747002ed 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -82,15 +82,23 @@ UTS_TRUNCATE="cut -b -$UTS_LEN"
# Only replace the real compile.h if the new one is different,
# in order to preserve the timestamp and avoid unnecessary
# recompilations.
-# We don't consider the file changed if only the date/time changed.
+# We don't consider the file changed if only the date/time changed,
+# unless KBUILD_BUILD_TIMESTAMP was explicitly set (e.g. for
+# reproducible builds with that value referring to a commit timestamp).
# A kernel config change will increase the generation number, thus
# causing compile.h to be updated (including date/time) due to the
# changed comment in the
# first line.

+if [ -z "$KBUILD_BUILD_TIMESTAMP" ]; then
+ IGNORE_PATTERN="UTS_VERSION"
+else
+ IGNORE_PATTERN="NOT_A_PATTERN_TO_BE_MATCHED"
+fi
+
if [ -r $TARGET ] && \
- grep -v 'UTS_VERSION' $TARGET > .tmpver.1 && \
- grep -v 'UTS_VERSION' .tmpcompile > .tmpver.2 && \
+ grep -v $IGNORE_PATTERN $TARGET > .tmpver.1 && \
+ grep -v $IGNORE_PATTERN .tmpcompile > .tmpver.2 && \
cmp -s .tmpver.1 .tmpver.2; then
rm -f .tmpcompile
else
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c
index 90fa57ad14c0..23834691f4d3 100644
--- a/sound/isa/sb/sb16_csp.c
+++ b/sound/isa/sb/sb16_csp.c
@@ -828,6 +828,7 @@ static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channel
mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7);
+ spin_unlock_irqrestore(&p->chip->mixer_lock, flags);

spin_lock(&p->chip->reg_lock);
set_mode_register(p->chip, 0xc0); /* c0 = STOP */
@@ -867,6 +868,7 @@ static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channel
spin_unlock(&p->chip->reg_lock);

/* restore PCM volume */
+ spin_lock_irqsave(&p->chip->mixer_lock, flags);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR);
spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
@@ -892,6 +894,7 @@ static int snd_sb_csp_stop(struct snd_sb_csp * p)
mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7);
+ spin_unlock_irqrestore(&p->chip->mixer_lock, flags);

spin_lock(&p->chip->reg_lock);
if (p->running & SNDRV_SB_CSP_ST_QSOUND) {
@@ -906,6 +909,7 @@ static int snd_sb_csp_stop(struct snd_sb_csp * p)
spin_unlock(&p->chip->reg_lock);

/* restore PCM volume */
+ spin_lock_irqsave(&p->chip->mixer_lock, flags);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL);
snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR);
spin_unlock_irqrestore(&p->chip->mixer_lock, flags);
diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index 6ebfdee3e2c6..661cca25ae5d 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -1,4 +1,5 @@
#include <stdio.h>
+#include <stdlib.h>
#include <sys/epoll.h>
#include <util/bpf-loader.h>
#include <util/evlist.h>
@@ -176,6 +177,7 @@ static int __test__bpf(int idx)
bpf_testcase_table[idx].target_func,
bpf_testcase_table[idx].expect_result);
out:
+ free(obj_buf);
bpf__clear();
return ret;
}
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index e3b3b92e4458..7476757680ed 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -318,10 +318,10 @@ int probe_file__del_events(int fd, struct strfilter *filter)

ret = probe_file__get_events(fd, filter, namelist);
if (ret < 0)
- return ret;
+ goto out;

ret = probe_file__del_strlist(fd, namelist);
+out:
strlist__delete(namelist);
-
return ret;
}