From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.4 commit in: /
Date: Thu, 27 Jan 2022 11:42:22 +0000 (UTC) [thread overview]
Message-ID: <1643283732.e0701e63021b694dec18a287ba21057a87325fb2.mpagano@gentoo> (raw)
commit: e0701e63021b694dec18a287ba21057a87325fb2
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Thu Jan 27 11:42:12 2022 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Thu Jan 27 11:42:12 2022 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=e0701e63
Linuxpatch 4.4.300
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1299_linux-4.4.300.patch | 2516 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 2520 insertions(+)
diff --git a/0000_README b/0000_README
index 78fe6059..53822338 100644
--- a/0000_README
+++ b/0000_README
@@ -1239,6 +1239,10 @@ Patch: 1298_linux-4.4.299.patch
From: http://www.kernel.org
Desc: Linux 4.4.299
+Patch: 1299_linux-4.4.300.patch
+From: http://www.kernel.org
+Desc: Linux 4.4.300
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1299_linux-4.4.300.patch b/1299_linux-4.4.300.patch
new file mode 100644
index 00000000..a72d0f75
--- /dev/null
+++ b/1299_linux-4.4.300.patch
@@ -0,0 +1,2516 @@
+diff --git a/Makefile b/Makefile
+index ad9236cc29e49..29bb2f87dd2ad 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 299
++SUBLEVEL = 300
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+
+diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
+index 8d184ff196429..5cac11e6ba4b4 100644
+--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
++++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
+@@ -25,8 +25,8 @@
+ #size-cells = <2>;
+
+ aliases {
+- sdhc1 = &sdhc_1; /* SDC1 eMMC slot */
+- sdhc2 = &sdhc_2; /* SDC2 SD card slot */
++ mmc0 = &sdhc_1; /* SDC1 eMMC slot */
++ mmc1 = &sdhc_2; /* SDC2 SD card slot */
+ };
+
+ chosen { };
+diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
+index ef268c9aac80d..fe90c1c86a600 100644
+--- a/arch/mips/bcm63xx/clk.c
++++ b/arch/mips/bcm63xx/clk.c
+@@ -339,6 +339,12 @@ struct clk *clk_get_parent(struct clk *clk)
+ }
+ EXPORT_SYMBOL(clk_get_parent);
+
++int clk_set_parent(struct clk *clk, struct clk *parent)
++{
++ return 0;
++}
++EXPORT_SYMBOL(clk_set_parent);
++
+ unsigned long clk_get_rate(struct clk *clk)
+ {
+ return clk->rate;
+diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+index d92cf59bdae63..bc414657601c4 100644
+--- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h
++++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h
+@@ -303,7 +303,7 @@ enum cvmx_chip_types_enum {
+
+ /* Functions to return string based on type */
+ #define ENUM_BRD_TYPE_CASE(x) \
+- case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */
++ case x: return (&#x[16]); /* Skip CVMX_BOARD_TYPE_ */
+ static inline const char *cvmx_board_type_to_string(enum
+ cvmx_board_types_enum type)
+ {
+@@ -392,7 +392,7 @@ static inline const char *cvmx_board_type_to_string(enum
+ }
+
+ #define ENUM_CHIP_TYPE_CASE(x) \
+- case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */
++ case x: return (&#x[15]); /* Skip CVMX_CHIP_TYPE */
+ static inline const char *cvmx_chip_type_to_string(enum
+ cvmx_chip_types_enum type)
+ {
+diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
+index a0706fd4ce0a0..80bdcb26ef8a3 100644
+--- a/arch/mips/lantiq/clk.c
++++ b/arch/mips/lantiq/clk.c
+@@ -165,6 +165,12 @@ struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec)
+ return NULL;
+ }
+
++int clk_set_parent(struct clk *clk, struct clk *parent)
++{
++ return 0;
++}
++EXPORT_SYMBOL(clk_set_parent);
++
+ static inline u32 get_counter_resolution(void)
+ {
+ u32 res;
+diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
+index 6f61a17e2485a..55e7ba06511df 100644
+--- a/arch/parisc/kernel/traps.c
++++ b/arch/parisc/kernel/traps.c
+@@ -796,7 +796,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
+ * unless pagefault_disable() was called before.
+ */
+
+- if (fault_space == 0 && !faulthandler_disabled())
++ if (faulthandler_disabled() || fault_space == 0)
+ {
+ /* Clean up and return if in exception table. */
+ if (fixup_exception(regs))
+diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
+index 7f60b60601764..39b1c1fa0c81f 100644
+--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
++++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi
+@@ -78,6 +78,7 @@ fman0: fman@400000 {
+ #size-cells = <0>;
+ compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
+ reg = <0xfc000 0x1000>;
++ fsl,erratum-a009885;
+ };
+
+ xmdio0: mdio@fd000 {
+@@ -85,6 +86,7 @@ fman0: fman@400000 {
+ #size-cells = <0>;
+ compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
+ reg = <0xfd000 0x1000>;
++ fsl,erratum-a009885;
+ };
+
+ ptp_timer0: ptp-timer@fe000 {
+diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c
+index 41c011cb60706..8d05ef26dea9d 100644
+--- a/arch/powerpc/kernel/btext.c
++++ b/arch/powerpc/kernel/btext.c
+@@ -257,8 +257,10 @@ int __init btext_find_display(int allow_nonstdout)
+ rc = btext_initialize(np);
+ printk("result: %d\n", rc);
+ }
+- if (rc == 0)
++ if (rc == 0) {
++ of_node_put(np);
+ break;
++ }
+ }
+ return rc;
+ }
+diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
+index 3139533640fc8..204e44cc896ec 100644
+--- a/arch/powerpc/kernel/prom_init.c
++++ b/arch/powerpc/kernel/prom_init.c
+@@ -2526,7 +2526,7 @@ static void __init fixup_device_tree_efika_add_phy(void)
+
+ /* Check if the phy-handle property exists - bail if it does */
+ rv = prom_getprop(node, "phy-handle", prop, sizeof(prop));
+- if (!rv)
++ if (rv <= 0)
+ return;
+
+ /*
+diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
+index ec9ec2058d2d3..19ba60ab18073 100644
+--- a/arch/powerpc/kernel/smp.c
++++ b/arch/powerpc/kernel/smp.c
+@@ -732,10 +732,12 @@ void start_secondary(void *unused)
+ BUG();
+ }
+
++#ifdef CONFIG_PROFILING
+ int setup_profiling_timer(unsigned int multiplier)
+ {
+ return 0;
+ }
++#endif
+
+ #ifdef CONFIG_SCHED_SMT
+ /* cpumask of CPUs with asymetric SMT dependancy */
+diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
+index 14a582b212745..4edceff5791ad 100644
+--- a/arch/powerpc/platforms/cell/iommu.c
++++ b/arch/powerpc/platforms/cell/iommu.c
+@@ -1107,6 +1107,7 @@ static int __init cell_iommu_fixed_mapping_init(void)
+ if (hbase < dbase || (hend > (dbase + dsize))) {
+ pr_debug("iommu: hash window doesn't fit in"
+ "real DMA window\n");
++ of_node_put(np);
+ return -1;
+ }
+ }
+diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+index 9485f1024d46c..b3bcdce89c3bb 100644
+--- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
++++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c
+@@ -220,6 +220,7 @@ void hlwd_pic_probe(void)
+ irq_set_chained_handler(cascade_virq,
+ hlwd_pic_irq_cascade);
+ hlwd_irq_host = host;
++ of_node_put(np);
+ break;
+ }
+ }
+diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c
+index e4169d68cb328..d28c4a9269c38 100644
+--- a/arch/powerpc/platforms/powernv/opal-lpc.c
++++ b/arch/powerpc/platforms/powernv/opal-lpc.c
+@@ -401,6 +401,7 @@ void opal_lpc_init(void)
+ if (!of_get_property(np, "primary", NULL))
+ continue;
+ opal_lpc_chip_id = of_get_ibm_chip_id(np);
++ of_node_put(np);
+ break;
+ }
+ if (opal_lpc_chip_id < 0)
+diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h
+index f5b76355ad71a..089f979e112e3 100644
+--- a/arch/um/include/shared/registers.h
++++ b/arch/um/include/shared/registers.h
+@@ -14,8 +14,8 @@ extern int restore_fp_registers(int pid, unsigned long *fp_regs);
+ extern int save_fpx_registers(int pid, unsigned long *fp_regs);
+ extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
+ extern int save_registers(int pid, struct uml_pt_regs *regs);
+-extern int restore_registers(int pid, struct uml_pt_regs *regs);
+-extern int init_registers(int pid);
++extern int restore_pid_registers(int pid, struct uml_pt_regs *regs);
++extern int init_pid_registers(int pid);
+ extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
+ extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
+ extern int get_fp_registers(int pid, unsigned long *regs);
+diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c
+index 2ff8d4fe83c4f..34a5963bd7efd 100644
+--- a/arch/um/os-Linux/registers.c
++++ b/arch/um/os-Linux/registers.c
+@@ -21,7 +21,7 @@ int save_registers(int pid, struct uml_pt_regs *regs)
+ return 0;
+ }
+
+-int restore_registers(int pid, struct uml_pt_regs *regs)
++int restore_pid_registers(int pid, struct uml_pt_regs *regs)
+ {
+ int err;
+
+@@ -36,7 +36,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs)
+ static unsigned long exec_regs[MAX_REG_NR];
+ static unsigned long exec_fp_regs[FP_SIZE];
+
+-int init_registers(int pid)
++int init_pid_registers(int pid)
+ {
+ int err;
+
+diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
+index 22a358ef1b0cd..dc06933ba63d9 100644
+--- a/arch/um/os-Linux/start_up.c
++++ b/arch/um/os-Linux/start_up.c
+@@ -334,7 +334,7 @@ void __init os_early_checks(void)
+ check_tmpexec();
+
+ pid = start_ptraced_child();
+- if (init_registers(pid))
++ if (init_pid_registers(pid))
+ fatal("Failed to initialize default registers");
+ stop_ptraced_child(pid, 1, 1);
+ }
+diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c
+index e6552275320bc..40ecacb2c54b3 100644
+--- a/arch/x86/um/syscalls_64.c
++++ b/arch/x86/um/syscalls_64.c
+@@ -9,6 +9,7 @@
+ #include <linux/uaccess.h>
+ #include <asm/prctl.h> /* XXX This should get the constants from libc */
+ #include <os.h>
++#include <registers.h>
+
+ long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
+ {
+@@ -32,7 +33,7 @@ long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
+ switch (code) {
+ case ARCH_SET_FS:
+ case ARCH_SET_GS:
+- ret = restore_registers(pid, ¤t->thread.regs.regs);
++ ret = restore_pid_registers(pid, ¤t->thread.regs.regs);
+ if (ret)
+ return ret;
+ break;
+diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
+index 77930683ab7dd..c20b7dfec7b20 100644
+--- a/drivers/acpi/acpica/exoparg1.c
++++ b/drivers/acpi/acpica/exoparg1.c
+@@ -1016,7 +1016,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
+ (walk_state, return_desc,
+ &temp_desc);
+ if (ACPI_FAILURE(status)) {
+- goto cleanup;
++ return_ACPI_STATUS
++ (status);
+ }
+
+ return_desc = temp_desc;
+diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
+index 9f8b088e21d7e..d90b2cf310fb1 100644
+--- a/drivers/acpi/acpica/utdelete.c
++++ b/drivers/acpi/acpica/utdelete.c
+@@ -439,6 +439,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
+ ACPI_WARNING((AE_INFO,
+ "Obj %p, Reference Count is already zero, cannot decrement\n",
+ object));
++ return;
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
+diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
+index 40c251ef175db..373dab29addf2 100644
+--- a/drivers/block/floppy.c
++++ b/drivers/block/floppy.c
+@@ -994,7 +994,7 @@ static DECLARE_DELAYED_WORK(fd_timer, fd_timer_workfn);
+ static void cancel_activity(void)
+ {
+ do_floppy = NULL;
+- cancel_delayed_work_sync(&fd_timer);
++ cancel_delayed_work(&fd_timer);
+ cancel_work_sync(&floppy_work);
+ }
+
+@@ -3116,6 +3116,8 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr)
+ }
+ }
+
++#define MAX_LEN (1UL << MAX_ORDER << PAGE_SHIFT)
++
+ static int raw_cmd_copyin(int cmd, void __user *param,
+ struct floppy_raw_cmd **rcmd)
+ {
+@@ -3153,7 +3155,7 @@ loop:
+ ptr->resultcode = 0;
+
+ if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
+- if (ptr->length <= 0)
++ if (ptr->length <= 0 || ptr->length >= MAX_LEN)
+ return -EINVAL;
+ ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length);
+ fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length);
+diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
+index 616ec2ac1b22f..eac9eeec3a53f 100644
+--- a/drivers/bluetooth/bfusb.c
++++ b/drivers/bluetooth/bfusb.c
+@@ -645,6 +645,9 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
+ data->bulk_out_ep = bulk_out_ep->desc.bEndpointAddress;
+ data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize);
+
++ if (!data->bulk_pkt_size)
++ goto done;
++
+ rwlock_init(&data->lock);
+
+ data->reassembly = NULL;
+diff --git a/drivers/char/mwave/3780i.h b/drivers/char/mwave/3780i.h
+index fba6ab1160ce8..b167163b18277 100644
+--- a/drivers/char/mwave/3780i.h
++++ b/drivers/char/mwave/3780i.h
+@@ -68,7 +68,7 @@ typedef struct {
+ unsigned char ClockControl:1; /* RW: Clock control: 0=normal, 1=stop 3780i clocks */
+ unsigned char SoftReset:1; /* RW: Soft reset 0=normal, 1=soft reset active */
+ unsigned char ConfigMode:1; /* RW: Configuration mode, 0=normal, 1=config mode */
+- unsigned char Reserved:5; /* 0: Reserved */
++ unsigned short Reserved:13; /* 0: Reserved */
+ } DSP_ISA_SLAVE_CONTROL;
+
+
+diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c
+index 0c9973ec80ebd..da2e4c193953a 100644
+--- a/drivers/crypto/qce/sha.c
++++ b/drivers/crypto/qce/sha.c
+@@ -539,8 +539,8 @@ static int qce_ahash_register_one(const struct qce_ahash_def *def,
+
+ ret = crypto_register_ahash(alg);
+ if (ret) {
+- kfree(tmpl);
+ dev_err(qce->dev, "%s registration failed\n", base->cra_name);
++ kfree(tmpl);
+ return ret;
+ }
+
+diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
+index 2d87018069ca0..d0e85c65d1467 100644
+--- a/drivers/dma/at_xdmac.c
++++ b/drivers/dma/at_xdmac.c
+@@ -100,6 +100,7 @@
+ #define AT_XDMAC_CNDC_NDE (0x1 << 0) /* Channel x Next Descriptor Enable */
+ #define AT_XDMAC_CNDC_NDSUP (0x1 << 1) /* Channel x Next Descriptor Source Update */
+ #define AT_XDMAC_CNDC_NDDUP (0x1 << 2) /* Channel x Next Descriptor Destination Update */
++#define AT_XDMAC_CNDC_NDVIEW_MASK GENMASK(28, 27)
+ #define AT_XDMAC_CNDC_NDVIEW_NDV0 (0x0 << 3) /* Channel x Next Descriptor View 0 */
+ #define AT_XDMAC_CNDC_NDVIEW_NDV1 (0x1 << 3) /* Channel x Next Descriptor View 1 */
+ #define AT_XDMAC_CNDC_NDVIEW_NDV2 (0x2 << 3) /* Channel x Next Descriptor View 2 */
+@@ -232,15 +233,15 @@ struct at_xdmac {
+
+ /* Linked List Descriptor */
+ struct at_xdmac_lld {
+- dma_addr_t mbr_nda; /* Next Descriptor Member */
+- u32 mbr_ubc; /* Microblock Control Member */
+- dma_addr_t mbr_sa; /* Source Address Member */
+- dma_addr_t mbr_da; /* Destination Address Member */
+- u32 mbr_cfg; /* Configuration Register */
+- u32 mbr_bc; /* Block Control Register */
+- u32 mbr_ds; /* Data Stride Register */
+- u32 mbr_sus; /* Source Microblock Stride Register */
+- u32 mbr_dus; /* Destination Microblock Stride Register */
++ u32 mbr_nda; /* Next Descriptor Member */
++ u32 mbr_ubc; /* Microblock Control Member */
++ u32 mbr_sa; /* Source Address Member */
++ u32 mbr_da; /* Destination Address Member */
++ u32 mbr_cfg; /* Configuration Register */
++ u32 mbr_bc; /* Block Control Register */
++ u32 mbr_ds; /* Data Stride Register */
++ u32 mbr_sus; /* Source Microblock Stride Register */
++ u32 mbr_dus; /* Destination Microblock Stride Register */
+ };
+
+ /* 64-bit alignment needed to update CNDA and CUBC registers in an atomic way. */
+@@ -345,9 +346,6 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan,
+
+ dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, first);
+
+- if (at_xdmac_chan_is_enabled(atchan))
+- return;
+-
+ /* Set transfer as active to not try to start it again. */
+ first->active_xfer = true;
+
+@@ -363,7 +361,8 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan,
+ */
+ if (at_xdmac_chan_is_cyclic(atchan))
+ reg = AT_XDMAC_CNDC_NDVIEW_NDV1;
+- else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3)
++ else if ((first->lld.mbr_ubc &
++ AT_XDMAC_CNDC_NDVIEW_MASK) == AT_XDMAC_MBR_UBC_NDV3)
+ reg = AT_XDMAC_CNDC_NDVIEW_NDV3;
+ else
+ reg = AT_XDMAC_CNDC_NDVIEW_NDV2;
+@@ -428,13 +427,12 @@ static dma_cookie_t at_xdmac_tx_submit(struct dma_async_tx_descriptor *tx)
+ spin_lock_irqsave(&atchan->lock, irqflags);
+ cookie = dma_cookie_assign(tx);
+
++ list_add_tail(&desc->xfer_node, &atchan->xfers_list);
++ spin_unlock_irqrestore(&atchan->lock, irqflags);
++
+ dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n",
+ __func__, atchan, desc);
+- list_add_tail(&desc->xfer_node, &atchan->xfers_list);
+- if (list_is_singular(&atchan->xfers_list))
+- at_xdmac_start_xfer(atchan, desc);
+
+- spin_unlock_irqrestore(&atchan->lock, irqflags);
+ return cookie;
+ }
+
+diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
+index e39457f13d4dd..548600ce6cc87 100644
+--- a/drivers/dma/mmp_pdma.c
++++ b/drivers/dma/mmp_pdma.c
+@@ -723,12 +723,6 @@ static int mmp_pdma_config(struct dma_chan *dchan,
+
+ chan->dir = cfg->direction;
+ chan->dev_addr = addr;
+- /* FIXME: drivers should be ported over to use the filter
+- * function. Once that's done, the following two lines can
+- * be removed.
+- */
+- if (cfg->slave_id)
+- chan->drcmr = cfg->slave_id;
+
+ return 0;
+ }
+diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
+index 4251e9ac0373c..ff2e28137a7b1 100644
+--- a/drivers/dma/pxa_dma.c
++++ b/drivers/dma/pxa_dma.c
+@@ -959,13 +959,6 @@ static void pxad_get_config(struct pxad_chan *chan,
+ *dcmd |= PXA_DCMD_BURST16;
+ else if (maxburst == 32)
+ *dcmd |= PXA_DCMD_BURST32;
+-
+- /* FIXME: drivers should be ported over to use the filter
+- * function. Once that's done, the following two lines can
+- * be removed.
+- */
+- if (chan->cfg.slave_id)
+- chan->drcmr = chan->cfg.slave_id;
+ }
+
+ static struct dma_async_tx_descriptor *
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+index e1d4115bd6732..80e3b41294e5f 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+@@ -404,6 +404,9 @@ amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
+ native_mode->vdisplay != 0 &&
+ native_mode->clock != 0) {
+ mode = drm_mode_duplicate(dev, native_mode);
++ if (!mode)
++ return NULL;
++
+ mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+ drm_mode_set_name(mode);
+
+@@ -418,6 +421,9 @@ amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder)
+ * simpler.
+ */
+ mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
++ if (!mode)
++ return NULL;
++
+ mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+ DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
+ }
+diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
+index 81bd84f9156ba..3e107e103d357 100644
+--- a/drivers/gpu/drm/i915/intel_pm.c
++++ b/drivers/gpu/drm/i915/intel_pm.c
+@@ -2245,9 +2245,9 @@ static void snb_wm_latency_quirk(struct drm_device *dev)
+ * The BIOS provided WM memory latency values are often
+ * inadequate for high resolution displays. Adjust them.
+ */
+- changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12) |
+- ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12) |
+- ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
++ changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12);
++ changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12);
++ changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12);
+
+ if (!changed)
+ return;
+diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
+index cbcaf5e8c624a..2cfcabe1d3b98 100644
+--- a/drivers/hid/uhid.c
++++ b/drivers/hid/uhid.c
+@@ -33,11 +33,22 @@
+
+ struct uhid_device {
+ struct mutex devlock;
++
++ /* This flag tracks whether the HID device is usable for commands from
++ * userspace. The flag is already set before hid_add_device(), which
++ * runs in workqueue context, to allow hid_add_device() to communicate
++ * with userspace.
++ * However, if hid_add_device() fails, the flag is cleared without
++ * holding devlock.
++ * We guarantee that if @running changes from true to false while you're
++ * holding @devlock, it's still fine to access @hid.
++ */
+ bool running;
+
+ __u8 *rd_data;
+ uint rd_size;
+
++ /* When this is NULL, userspace may use UHID_CREATE/UHID_CREATE2. */
+ struct hid_device *hid;
+ struct uhid_event input_buf;
+
+@@ -68,9 +79,18 @@ static void uhid_device_add_worker(struct work_struct *work)
+ if (ret) {
+ hid_err(uhid->hid, "Cannot register HID device: error %d\n", ret);
+
+- hid_destroy_device(uhid->hid);
+- uhid->hid = NULL;
++ /* We used to call hid_destroy_device() here, but that's really
++ * messy to get right because we have to coordinate with
++ * concurrent writes from userspace that might be in the middle
++ * of using uhid->hid.
++ * Just leave uhid->hid as-is for now, and clean it up when
++ * userspace tries to close or reinitialize the uhid instance.
++ *
++ * However, we do have to clear the ->running flag and do a
++ * wakeup to make sure userspace knows that the device is gone.
++ */
+ uhid->running = false;
++ wake_up_interruptible(&uhid->report_wait);
+ }
+ }
+
+@@ -479,7 +499,7 @@ static int uhid_dev_create2(struct uhid_device *uhid,
+ void *rd_data;
+ int ret;
+
+- if (uhid->running)
++ if (uhid->hid)
+ return -EALREADY;
+
+ rd_size = ev->u.create2.rd_size;
+@@ -560,7 +580,7 @@ static int uhid_dev_create(struct uhid_device *uhid,
+
+ static int uhid_dev_destroy(struct uhid_device *uhid)
+ {
+- if (!uhid->running)
++ if (!uhid->hid)
+ return -EINVAL;
+
+ uhid->running = false;
+@@ -569,6 +589,7 @@ static int uhid_dev_destroy(struct uhid_device *uhid)
+ cancel_work_sync(&uhid->worker);
+
+ hid_destroy_device(uhid->hid);
++ uhid->hid = NULL;
+ kfree(uhid->rd_data);
+
+ return 0;
+diff --git a/drivers/hsi/hsi.c b/drivers/hsi/hsi.c
+index 55e36fcd7ff35..e1080f005a19e 100644
+--- a/drivers/hsi/hsi.c
++++ b/drivers/hsi/hsi.c
+@@ -115,6 +115,7 @@ struct hsi_client *hsi_new_client(struct hsi_port *port,
+ if (device_register(&cl->device) < 0) {
+ pr_err("hsi: failed to register client: %s\n", info->name);
+ put_device(&cl->device);
++ goto err;
+ }
+
+ return cl;
+diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
+index 1543d35d228df..6831883741215 100644
+--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
++++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
+@@ -53,10 +53,10 @@ enum dw_pci_ctl_id_t {
+ };
+
+ struct dw_scl_sda_cfg {
+- u32 ss_hcnt;
+- u32 fs_hcnt;
+- u32 ss_lcnt;
+- u32 fs_lcnt;
++ u16 ss_hcnt;
++ u16 fs_hcnt;
++ u16 ss_lcnt;
++ u16 fs_lcnt;
+ u32 sda_hold;
+ };
+
+diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
+index 4399016a6caba..73026c00220c2 100644
+--- a/drivers/i2c/busses/i2c-i801.c
++++ b/drivers/i2c/busses/i2c-i801.c
+@@ -669,6 +669,11 @@ static int i801_block_transaction(struct i801_priv *priv,
+ int result = 0;
+ unsigned char hostc;
+
++ if (read_write == I2C_SMBUS_READ && command == I2C_SMBUS_BLOCK_DATA)
++ data->block[0] = I2C_SMBUS_BLOCK_MAX;
++ else if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX)
++ return -EPROTO;
++
+ if (command == I2C_SMBUS_I2C_BLOCK_DATA) {
+ if (read_write == I2C_SMBUS_WRITE) {
+ /* set I2C_EN bit in configuration register */
+@@ -682,16 +687,6 @@ static int i801_block_transaction(struct i801_priv *priv,
+ }
+ }
+
+- if (read_write == I2C_SMBUS_WRITE
+- || command == I2C_SMBUS_I2C_BLOCK_DATA) {
+- if (data->block[0] < 1)
+- data->block[0] = 1;
+- if (data->block[0] > I2C_SMBUS_BLOCK_MAX)
+- data->block[0] = I2C_SMBUS_BLOCK_MAX;
+- } else {
+- data->block[0] = 32; /* max for SMBus block reads */
+- }
+-
+ /* Experience has shown that the block buffer can only be used for
+ SMBus (not I2C) block transactions, even though the datasheet
+ doesn't mention this limitation. */
+diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
+index 2e083a71c2215..988ea9df6654c 100644
+--- a/drivers/i2c/busses/i2c-mpc.c
++++ b/drivers/i2c/busses/i2c-mpc.c
+@@ -107,23 +107,30 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id)
+ /* Sometimes 9th clock pulse isn't generated, and slave doesn't release
+ * the bus, because it wants to send ACK.
+ * Following sequence of enabling/disabling and sending start/stop generates
+- * the 9 pulses, so it's all OK.
++ * the 9 pulses, each with a START then ending with STOP, so it's all OK.
+ */
+ static void mpc_i2c_fixup(struct mpc_i2c *i2c)
+ {
+ int k;
+- u32 delay_val = 1000000 / i2c->real_clk + 1;
+-
+- if (delay_val < 2)
+- delay_val = 2;
++ unsigned long flags;
+
+ for (k = 9; k; k--) {
+ writeccr(i2c, 0);
+- writeccr(i2c, CCR_MSTA | CCR_MTX | CCR_MEN);
++ writeb(0, i2c->base + MPC_I2C_SR); /* clear any status bits */
++ writeccr(i2c, CCR_MEN | CCR_MSTA); /* START */
++ readb(i2c->base + MPC_I2C_DR); /* init xfer */
++ udelay(15); /* let it hit the bus */
++ local_irq_save(flags); /* should not be delayed further */
++ writeccr(i2c, CCR_MEN | CCR_MSTA | CCR_RSTA); /* delay SDA */
+ readb(i2c->base + MPC_I2C_DR);
+- writeccr(i2c, CCR_MEN);
+- udelay(delay_val << 1);
++ if (k != 1)
++ udelay(5);
++ local_irq_restore(flags);
+ }
++ writeccr(i2c, CCR_MEN); /* Initiate STOP */
++ readb(i2c->base + MPC_I2C_DR);
++ udelay(15); /* Let STOP propagate */
++ writeccr(i2c, 0);
+ }
+
+ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
+diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
+index 179e8134d57fc..a14a3ec99ffe1 100644
+--- a/drivers/infiniband/core/device.c
++++ b/drivers/infiniband/core/device.c
+@@ -848,7 +848,8 @@ int ib_find_gid(struct ib_device *device, union ib_gid *gid,
+ for (i = 0; i < device->port_immutable[port].gid_tbl_len; ++i) {
+ ret = ib_query_gid(device, port, i, &tmp_gid, NULL);
+ if (ret)
+- return ret;
++ continue;
++
+ if (!memcmp(&tmp_gid, gid, sizeof *gid)) {
+ *port_num = port;
+ if (index)
+diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
+index 67e4002bd776e..31a8119685114 100644
+--- a/drivers/infiniband/hw/cxgb4/qp.c
++++ b/drivers/infiniband/hw/cxgb4/qp.c
+@@ -1896,6 +1896,7 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
+ memset(attr, 0, sizeof *attr);
+ memset(init_attr, 0, sizeof *init_attr);
+ attr->qp_state = to_ib_qp_state(qhp->attr.state);
++ attr->cur_qp_state = to_ib_qp_state(qhp->attr.state);
+ init_attr->cap.max_send_wr = qhp->attr.sq_num_entries;
+ init_attr->cap.max_recv_wr = qhp->attr.rq_num_entries;
+ init_attr->cap.max_send_sge = qhp->attr.sq_max_sges;
+diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
+index fa9039a53ae5c..23b1d22f693c1 100644
+--- a/drivers/md/persistent-data/dm-btree.c
++++ b/drivers/md/persistent-data/dm-btree.c
+@@ -83,14 +83,16 @@ void inc_children(struct dm_transaction_manager *tm, struct btree_node *n,
+ }
+
+ static int insert_at(size_t value_size, struct btree_node *node, unsigned index,
+- uint64_t key, void *value)
+- __dm_written_to_disk(value)
++ uint64_t key, void *value)
++ __dm_written_to_disk(value)
+ {
+ uint32_t nr_entries = le32_to_cpu(node->header.nr_entries);
++ uint32_t max_entries = le32_to_cpu(node->header.max_entries);
+ __le64 key_le = cpu_to_le64(key);
+
+ if (index > nr_entries ||
+- index >= le32_to_cpu(node->header.max_entries)) {
++ index >= max_entries ||
++ nr_entries >= max_entries) {
+ DMERR("too many entries in btree node for insert");
+ __dm_unbless_for_disk(value);
+ return -ENOMEM;
+diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c
+index ca09ad2a639c4..6fa4a68e78b0d 100644
+--- a/drivers/md/persistent-data/dm-space-map-common.c
++++ b/drivers/md/persistent-data/dm-space-map-common.c
+@@ -279,6 +279,11 @@ int sm_ll_lookup_bitmap(struct ll_disk *ll, dm_block_t b, uint32_t *result)
+ struct disk_index_entry ie_disk;
+ struct dm_block *blk;
+
++ if (b >= ll->nr_blocks) {
++ DMERR_LIMIT("metadata block out of bounds");
++ return -EINVAL;
++ }
++
+ b = do_div(index, ll->entries_per_block);
+ r = ll->load_ie(ll, index, &ie_disk);
+ if (r < 0)
+diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c
+index df1e8c975cd82..6d0a0b08853b4 100644
+--- a/drivers/media/common/saa7146/saa7146_fops.c
++++ b/drivers/media/common/saa7146/saa7146_fops.c
+@@ -524,7 +524,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
+ ERR("out of memory. aborting.\n");
+ kfree(vv);
+ v4l2_ctrl_handler_free(hdl);
+- return -1;
++ return -ENOMEM;
+ }
+
+ saa7146_video_uops.init(dev,vv);
+diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
+index 94c26270fff0e..b8af5a3c707f8 100644
+--- a/drivers/media/dvb-frontends/dib8000.c
++++ b/drivers/media/dvb-frontends/dib8000.c
+@@ -4461,8 +4461,10 @@ static struct dvb_frontend *dib8000_init(struct i2c_adapter *i2c_adap, u8 i2c_ad
+
+ state->timf_default = cfg->pll->timf;
+
+- if (dib8000_identify(&state->i2c) == 0)
++ if (dib8000_identify(&state->i2c) == 0) {
++ kfree(fe);
+ goto error;
++ }
+
+ dibx000_init_i2c_master(&state->i2c_master, DIB8000, state->i2c.adap, state->i2c.addr);
+
+diff --git a/drivers/media/pci/b2c2/flexcop-pci.c b/drivers/media/pci/b2c2/flexcop-pci.c
+index 8b5e0b3a92a0c..2f496c05a3316 100644
+--- a/drivers/media/pci/b2c2/flexcop-pci.c
++++ b/drivers/media/pci/b2c2/flexcop-pci.c
+@@ -184,6 +184,8 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
+ dma_addr_t cur_addr =
+ fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2;
+ u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0;
++ if (cur_pos > fc_pci->dma[0].size * 2)
++ goto error;
+
+ deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, "
+ "last_cur_pos: %08x ",
+@@ -225,6 +227,7 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id)
+ ret = IRQ_NONE;
+ }
+
++error:
+ spin_unlock_irqrestore(&fc_pci->irq_lock, flags);
+ return ret;
+ }
+diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c
+index 343cd75fcd8d1..f09f311a316f5 100644
+--- a/drivers/media/pci/saa7146/hexium_gemini.c
++++ b/drivers/media/pci/saa7146/hexium_gemini.c
+@@ -296,7 +296,12 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
+ hexium_set_input(hexium, 0);
+ hexium->cur_input = 0;
+
+- saa7146_vv_init(dev, &vv_data);
++ ret = saa7146_vv_init(dev, &vv_data);
++ if (ret) {
++ i2c_del_adapter(&hexium->i2c_adapter);
++ kfree(hexium);
++ return ret;
++ }
+
+ vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
+ vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
+diff --git a/drivers/media/pci/saa7146/hexium_orion.c b/drivers/media/pci/saa7146/hexium_orion.c
+index 214396b1ca73c..2f3b4e01ff289 100644
+--- a/drivers/media/pci/saa7146/hexium_orion.c
++++ b/drivers/media/pci/saa7146/hexium_orion.c
+@@ -366,10 +366,16 @@ static struct saa7146_ext_vv vv_data;
+ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
+ {
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
++ int ret;
+
+ DEB_EE("\n");
+
+- saa7146_vv_init(dev, &vv_data);
++ ret = saa7146_vv_init(dev, &vv_data);
++ if (ret) {
++ pr_err("Error in saa7146_vv_init()\n");
++ return ret;
++ }
++
+ vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
+ vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
+ vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
+diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
+index 868af73c5536a..56691a79ef08f 100644
+--- a/drivers/media/pci/saa7146/mxb.c
++++ b/drivers/media/pci/saa7146/mxb.c
+@@ -694,10 +694,16 @@ static struct saa7146_ext_vv vv_data;
+ static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
+ {
+ struct mxb *mxb;
++ int ret;
+
+ DEB_EE("dev:%p\n", dev);
+
+- saa7146_vv_init(dev, &vv_data);
++ ret = saa7146_vv_init(dev, &vv_data);
++ if (ret) {
++ ERR("Error in saa7146_vv_init()");
++ return ret;
++ }
++
+ if (mxb_probe(dev)) {
+ saa7146_vv_release(dev);
+ return -1;
+diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c
+index b36e51576f8e4..645ea00c472ab 100644
+--- a/drivers/media/rc/igorplugusb.c
++++ b/drivers/media/rc/igorplugusb.c
+@@ -73,9 +73,11 @@ static void igorplugusb_irdata(struct igorplugusb *ir, unsigned len)
+ if (start >= len) {
+ dev_err(ir->dev, "receive overflow invalid: %u", overflow);
+ } else {
+- if (overflow > 0)
++ if (overflow > 0) {
+ dev_warn(ir->dev, "receive overflow, at least %u lost",
+ overflow);
++ ir_raw_event_reset(ir->rc);
++ }
+
+ do {
+ rawir.duration = ir->buf_in[i] * 85333;
+diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
+index 7b9800d3446cf..71e6d4d935c9e 100644
+--- a/drivers/media/rc/mceusb.c
++++ b/drivers/media/rc/mceusb.c
+@@ -1118,7 +1118,7 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
+ */
+ ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
+ USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0,
+- data, USB_CTRL_MSG_SZ, HZ * 3);
++ data, USB_CTRL_MSG_SZ, 3000);
+ dev_dbg(dev, "set address - ret = %d", ret);
+ dev_dbg(dev, "set address - data[0] = %d, data[1] = %d",
+ data[0], data[1]);
+@@ -1126,20 +1126,20 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
+ /* set feature: bit rate 38400 bps */
+ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
+ USB_REQ_SET_FEATURE, USB_TYPE_VENDOR,
+- 0xc04e, 0x0000, NULL, 0, HZ * 3);
++ 0xc04e, 0x0000, NULL, 0, 3000);
+
+ dev_dbg(dev, "set feature - ret = %d", ret);
+
+ /* bRequest 4: set char length to 8 bits */
+ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
+ 4, USB_TYPE_VENDOR,
+- 0x0808, 0x0000, NULL, 0, HZ * 3);
++ 0x0808, 0x0000, NULL, 0, 3000);
+ dev_dbg(dev, "set char length - retB = %d", ret);
+
+ /* bRequest 2: set handshaking to use DTR/DSR */
+ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
+ 2, USB_TYPE_VENDOR,
+- 0x0000, 0x0100, NULL, 0, HZ * 3);
++ 0x0000, 0x0100, NULL, 0, 3000);
+ dev_dbg(dev, "set handshake - retC = %d", ret);
+
+ /* device resume */
+diff --git a/drivers/media/tuners/msi001.c b/drivers/media/tuners/msi001.c
+index 3a12ef35682b5..64d98517f470f 100644
+--- a/drivers/media/tuners/msi001.c
++++ b/drivers/media/tuners/msi001.c
+@@ -464,6 +464,13 @@ static int msi001_probe(struct spi_device *spi)
+ V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
+ dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
++ if (dev->hdl.error) {
++ ret = dev->hdl.error;
++ dev_err(&spi->dev, "Could not initialize controls\n");
++ /* control init failed, free handler */
++ goto err_ctrl_handler_free;
++ }
++
+ v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false);
+ dev->lna_gain = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);
+diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
+index 49dd3ea2947dc..ee784041f0904 100644
+--- a/drivers/media/usb/dvb-usb/dib0700_core.c
++++ b/drivers/media/usb/dvb-usb/dib0700_core.c
+@@ -583,8 +583,6 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+ deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint);
+ if (onoff)
+ st->channel_state |= 1 << (adap->id);
+- else
+- st->channel_state |= 1 << ~(adap->id);
+ } else {
+ if (onoff)
+ st->channel_state |= 1 << (adap->fe_adap[0].stream.props.endpoint-2);
+diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c
+index eafc5c82467f4..5b806779e2106 100644
+--- a/drivers/media/usb/dvb-usb/m920x.c
++++ b/drivers/media/usb/dvb-usb/m920x.c
+@@ -284,6 +284,13 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu
+ /* Should check for ack here, if we knew how. */
+ }
+ if (msg[i].flags & I2C_M_RD) {
++ char *read = kmalloc(1, GFP_KERNEL);
++ if (!read) {
++ ret = -ENOMEM;
++ kfree(read);
++ goto unlock;
++ }
++
+ for (j = 0; j < msg[i].len; j++) {
+ /* Last byte of transaction?
+ * Send STOP, otherwise send ACK. */
+@@ -291,9 +298,12 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu
+
+ if ((ret = m920x_read(d->udev, M9206_I2C, 0x0,
+ 0x20 | stop,
+- &msg[i].buf[j], 1)) != 0)
++ read, 1)) != 0)
+ goto unlock;
++ msg[i].buf[j] = read[0];
+ }
++
++ kfree(read);
+ } else {
+ for (j = 0; j < msg[i].len; j++) {
+ /* Last byte of transaction? Then send STOP. */
+diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c
+index 37456079f490d..f9c6274921215 100644
+--- a/drivers/media/usb/em28xx/em28xx-core.c
++++ b/drivers/media/usb/em28xx/em28xx-core.c
+@@ -99,7 +99,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
+ mutex_lock(&dev->ctrl_urb_lock);
+ ret = usb_control_msg(dev->udev, pipe, req,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- 0x0000, reg, dev->urb_buf, len, HZ);
++ 0x0000, reg, dev->urb_buf, len, 1000);
+ if (ret < 0) {
+ if (reg_debug)
+ printk(" failed!\n");
+@@ -182,7 +182,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
+ memcpy(dev->urb_buf, buf, len);
+ ret = usb_control_msg(dev->udev, pipe, req,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- 0x0000, reg, dev->urb_buf, len, HZ);
++ 0x0000, reg, dev->urb_buf, len, 1000);
+ mutex_unlock(&dev->ctrl_urb_lock);
+
+ if (ret < 0)
+diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+index ba3b0141538d6..1d0787f0b9a2a 100644
+--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
++++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+@@ -1488,7 +1488,7 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
+ for (address = 0; address < fwsize; address += 0x800) {
+ memcpy(fw_ptr, fw_entry->data + address, 0x800);
+ ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address,
+- 0, fw_ptr, 0x800, HZ);
++ 0, fw_ptr, 0x800, 1000);
+ }
+
+ trace_firmware("Upload done, releasing device's CPU");
+@@ -1627,7 +1627,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw)
+ ((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]);
+
+ ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt,
+- &actual_length, HZ);
++ &actual_length, 1000);
+ ret |= (actual_length != bcnt);
+ if (ret) break;
+ fw_done += bcnt;
+@@ -3491,7 +3491,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw,
+ 0xa0,0xc0,
+ address,0,
+ hdw->fw_buffer+address,
+- 0x800,HZ);
++ 0x800,1000);
+ if (ret < 0) break;
+ }
+
+@@ -4017,7 +4017,7 @@ void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val)
+ /* Write the CPUCS register on the 8051. The lsb of the register
+ is the reset bit; a 1 asserts reset while a 0 clears it. */
+ pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
+- ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ);
++ ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,1000);
+ if (ret < 0) {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "cpureset_assert(%d) error=%d",val,ret);
+diff --git a/drivers/media/usb/stk1160/stk1160-core.c b/drivers/media/usb/stk1160/stk1160-core.c
+index 1b6836f15370d..bc120c4e59f6f 100644
+--- a/drivers/media/usb/stk1160/stk1160-core.c
++++ b/drivers/media/usb/stk1160/stk1160-core.c
+@@ -76,7 +76,7 @@ int stk1160_read_reg(struct stk1160 *dev, u16 reg, u8 *value)
+ return -ENOMEM;
+ ret = usb_control_msg(dev->udev, pipe, 0x00,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- 0x00, reg, buf, sizeof(u8), HZ);
++ 0x00, reg, buf, sizeof(u8), 1000);
+ if (ret < 0) {
+ stk1160_err("read failed on reg 0x%x (%d)\n",
+ reg, ret);
+@@ -96,7 +96,7 @@ int stk1160_write_reg(struct stk1160 *dev, u16 reg, u16 value)
+
+ ret = usb_control_msg(dev->udev, pipe, 0x01,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+- value, reg, NULL, 0, HZ);
++ value, reg, NULL, 0, 1000);
+ if (ret < 0) {
+ stk1160_err("write failed on reg 0x%x (%d)\n",
+ reg, ret);
+diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
+index 3fae3bfb2bdd5..4e3938f1ad62a 100644
+--- a/drivers/media/usb/uvc/uvc_video.c
++++ b/drivers/media/usb/uvc/uvc_video.c
+@@ -1720,6 +1720,10 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
+ if (ep == NULL)
+ return -EIO;
+
++ /* Reject broken descriptors. */
++ if (usb_endpoint_maxp(&ep->desc) == 0)
++ return -EIO;
++
+ ret = uvc_init_video_bulk(stream, ep, gfp_flags);
+ }
+
+diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
+index b6fd9041f82fc..66f9beb2c5ba9 100644
+--- a/drivers/mfd/intel-lpss-acpi.c
++++ b/drivers/mfd/intel-lpss-acpi.c
+@@ -53,6 +53,7 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
+ {
+ struct intel_lpss_platform_info *info;
+ const struct acpi_device_id *id;
++ int ret;
+
+ id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev);
+ if (!id)
+@@ -66,10 +67,14 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
+ info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ info->irq = platform_get_irq(pdev, 0);
+
++ ret = intel_lpss_probe(&pdev->dev, info);
++ if (ret)
++ return ret;
++
+ pm_runtime_set_active(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+- return intel_lpss_probe(&pdev->dev, info);
++ return 0;
+ }
+
+ static int intel_lpss_acpi_remove(struct platform_device *pdev)
+diff --git a/drivers/misc/lattice-ecp3-config.c b/drivers/misc/lattice-ecp3-config.c
+index 626fdcaf25101..645d26536114f 100644
+--- a/drivers/misc/lattice-ecp3-config.c
++++ b/drivers/misc/lattice-ecp3-config.c
+@@ -81,12 +81,12 @@ static void firmware_load(const struct firmware *fw, void *context)
+
+ if (fw == NULL) {
+ dev_err(&spi->dev, "Cannot load firmware, aborting\n");
+- return;
++ goto out;
+ }
+
+ if (fw->size == 0) {
+ dev_err(&spi->dev, "Error: Firmware size is 0!\n");
+- return;
++ goto out;
+ }
+
+ /* Fill dummy data (24 stuffing bits for commands) */
+@@ -108,7 +108,7 @@ static void firmware_load(const struct firmware *fw, void *context)
+ dev_err(&spi->dev,
+ "Error: No supported FPGA detected (JEDEC_ID=%08x)!\n",
+ jedec_id);
+- return;
++ goto out;
+ }
+
+ dev_info(&spi->dev, "FPGA %s detected\n", ecp3_dev[i].name);
+@@ -121,7 +121,7 @@ static void firmware_load(const struct firmware *fw, void *context)
+ buffer = kzalloc(fw->size + 8, GFP_KERNEL);
+ if (!buffer) {
+ dev_err(&spi->dev, "Error: Can't allocate memory!\n");
+- return;
++ goto out;
+ }
+
+ /*
+@@ -160,7 +160,7 @@ static void firmware_load(const struct firmware *fw, void *context)
+ "Error: Timeout waiting for FPGA to clear (status=%08x)!\n",
+ status);
+ kfree(buffer);
+- return;
++ goto out;
+ }
+
+ dev_info(&spi->dev, "Configuring the FPGA...\n");
+@@ -186,7 +186,7 @@ static void firmware_load(const struct firmware *fw, void *context)
+ release_firmware(fw);
+
+ kfree(buffer);
+-
++out:
+ complete(&data->fw_loaded);
+ }
+
+diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
+index d6363ae220526..bbf18d6e4f677 100644
+--- a/drivers/net/bonding/bond_main.c
++++ b/drivers/net/bonding/bond_main.c
+@@ -785,14 +785,14 @@ static bool bond_should_notify_peers(struct bonding *bond)
+ slave = rcu_dereference(bond->curr_active_slave);
+ rcu_read_unlock();
+
+- netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
+- slave ? slave->dev->name : "NULL");
+-
+ if (!slave || !bond->send_peer_notif ||
+ !netif_carrier_ok(bond->dev) ||
+ test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
+ return false;
+
++ netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
++ slave ? slave->dev->name : "NULL");
++
+ return true;
+ }
+
+diff --git a/drivers/net/can/softing/softing_cs.c b/drivers/net/can/softing/softing_cs.c
+index cdc0c7433a4b5..9fbed88d6c821 100644
+--- a/drivers/net/can/softing/softing_cs.c
++++ b/drivers/net/can/softing/softing_cs.c
+@@ -304,7 +304,7 @@ static int softingcs_probe(struct pcmcia_device *pcmcia)
+ return 0;
+
+ platform_failed:
+- kfree(dev);
++ platform_device_put(pdev);
+ mem_failed:
+ pcmcia_bad:
+ pcmcia_failed:
+diff --git a/drivers/net/can/softing/softing_fw.c b/drivers/net/can/softing/softing_fw.c
+index 52fe50725d749..a74c779feb90e 100644
+--- a/drivers/net/can/softing/softing_fw.c
++++ b/drivers/net/can/softing/softing_fw.c
+@@ -576,18 +576,19 @@ int softing_startstop(struct net_device *dev, int up)
+ if (ret < 0)
+ goto failed;
+ }
+- /* enable_error_frame */
+- /*
++
++ /* enable_error_frame
++ *
+ * Error reporting is switched off at the moment since
+ * the receiving of them is not yet 100% verified
+ * This should be enabled sooner or later
+- *
+- if (error_reporting) {
++ */
++ if (0 && error_reporting) {
+ ret = softing_fct_cmd(card, 51, "enable_error_frame");
+ if (ret < 0)
+ goto failed;
+ }
+- */
++
+ /* initialize interface */
+ iowrite16(1, &card->dpram[DPRAM_FCT_PARAM + 2]);
+ iowrite16(1, &card->dpram[DPRAM_FCT_PARAM + 4]);
+diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
+index 3e965b00bc09f..c2ce98929e031 100644
+--- a/drivers/net/can/usb/gs_usb.c
++++ b/drivers/net/can/usb/gs_usb.c
+@@ -303,7 +303,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
+
+ /* device reports out of range channel id */
+ if (hf->channel >= GS_MAX_INTF)
+- goto resubmit_urb;
++ goto device_detach;
+
+ dev = usbcan->canch[hf->channel];
+
+@@ -388,6 +388,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb)
+
+ /* USB failure take down all interfaces */
+ if (rc == -ENODEV) {
++ device_detach:
+ for (rc = 0; rc < GS_MAX_INTF; rc++) {
+ if (usbcan->canch[rc])
+ netif_device_detach(usbcan->canch[rc]->netdev);
+@@ -490,6 +491,8 @@ static netdev_tx_t gs_can_start_xmit(struct sk_buff *skb, struct net_device *net
+
+ hf->echo_id = idx;
+ hf->channel = dev->channel;
++ hf->flags = 0;
++ hf->reserved = 0;
+
+ cf = (struct can_frame *)skb->data;
+
+diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
+index 700b98d9c2500..19745e88774e2 100644
+--- a/drivers/net/can/xilinx_can.c
++++ b/drivers/net/can/xilinx_can.c
+@@ -1284,7 +1284,12 @@ static int xcan_probe(struct platform_device *pdev)
+ spin_lock_init(&priv->tx_lock);
+
+ /* Get IRQ for the device */
+- ndev->irq = platform_get_irq(pdev, 0);
++ ret = platform_get_irq(pdev, 0);
++ if (ret < 0)
++ goto err_free;
++
++ ndev->irq = ret;
++
+ ndev->flags |= IFF_ECHO; /* We support local echo */
+
+ platform_set_drvdata(pdev, ndev);
+diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+index a1f9f68575f44..df946dd360e63 100644
+--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
++++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+@@ -3443,10 +3443,12 @@ static int bcmgenet_probe(struct platform_device *pdev)
+
+ /* Request the WOL interrupt and advertise suspend if available */
+ priv->wol_irq_disabled = true;
+- err = devm_request_irq(&pdev->dev, priv->wol_irq, bcmgenet_wol_isr, 0,
+- dev->name, priv);
+- if (!err)
+- device_set_wakeup_capable(&pdev->dev, 1);
++ if (priv->wol_irq > 0) {
++ err = devm_request_irq(&pdev->dev, priv->wol_irq,
++ bcmgenet_wol_isr, 0, dev->name, priv);
++ if (!err)
++ device_set_wakeup_capable(&pdev->dev, 1);
++ }
+
+ /* Set the needed headroom to account for any possible
+ * features enabling/disabling at runtime
+diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
+index a15b4a97c172d..171bfaa536b76 100644
+--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
++++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
+@@ -304,9 +304,10 @@ err_ioremap:
+ static int xgmac_mdio_remove(struct platform_device *pdev)
+ {
+ struct mii_bus *bus = platform_get_drvdata(pdev);
++ struct mdio_fsl_priv *priv = bus->priv;
+
+ mdiobus_unregister(bus);
+- iounmap(bus->priv);
++ iounmap(priv->mdio_base);
+ mdiobus_free(bus);
+
+ return 0;
+diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c
+index 2af7f77345fbd..e4128e151b854 100644
+--- a/drivers/net/ethernet/i825xx/sni_82596.c
++++ b/drivers/net/ethernet/i825xx/sni_82596.c
+@@ -122,9 +122,10 @@ static int sni_82596_probe(struct platform_device *dev)
+ netdevice->dev_addr[5] = readb(eth_addr + 0x06);
+ iounmap(eth_addr);
+
+- if (!netdevice->irq) {
++ if (netdevice->irq < 0) {
+ printk(KERN_ERR "%s: IRQ not found for i82596 at 0x%lx\n",
+ __FILE__, netdevice->base_addr);
++ retval = netdevice->irq;
+ goto probe_failed;
+ }
+
+diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+index 44870fc37f544..d7c583fedbe74 100644
+--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
++++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+@@ -278,6 +278,16 @@ static int axienet_dma_bd_init(struct net_device *ndev)
+ axienet_dma_out32(lp, XAXIDMA_TX_CR_OFFSET,
+ cr | XAXIDMA_CR_RUNSTOP_MASK);
+
++ /* Wait for PhyRstCmplt bit to be set, indicating the PHY reset has finished */
++ ret = read_poll_timeout(axienet_ior, value,
++ value & XAE_INT_PHYRSTCMPLT_MASK,
++ DELAY_OF_ONE_MILLISEC, 50000, false, lp,
++ XAE_IS_OFFSET);
++ if (ret) {
++ dev_err(lp->dev, "%s: timeout waiting for PhyRstCmplt\n", __func__);
++ return ret;
++ }
++
+ return 0;
+ out:
+ axienet_dma_bd_release(ndev);
+@@ -671,7 +681,7 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+ num_frag = skb_shinfo(skb)->nr_frags;
+ cur_p = &lp->tx_bd_v[lp->tx_bd_tail];
+
+- if (axienet_check_tx_bd_space(lp, num_frag)) {
++ if (axienet_check_tx_bd_space(lp, num_frag + 1)) {
+ if (netif_queue_stopped(ndev))
+ return NETDEV_TX_BUSY;
+
+@@ -681,7 +691,7 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+ smp_mb();
+
+ /* Space might have just been freed - check again */
+- if (axienet_check_tx_bd_space(lp, num_frag))
++ if (axienet_check_tx_bd_space(lp, num_frag + 1))
+ return NETDEV_TX_BUSY;
+
+ netif_wake_queue(ndev);
+diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
+index 4066fb5a935a7..2fb95cca33183 100644
+--- a/drivers/net/phy/mdio_bus.c
++++ b/drivers/net/phy/mdio_bus.c
+@@ -295,7 +295,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
+ }
+
+ bus->state = MDIOBUS_REGISTERED;
+- pr_info("%s: probed\n", bus->name);
++ dev_dbg(&bus->dev, "probed\n");
+ return 0;
+
+ error:
+diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
+index 46448d7e32902..679b14759379f 100644
+--- a/drivers/net/ppp/ppp_generic.c
++++ b/drivers/net/ppp/ppp_generic.c
+@@ -70,6 +70,8 @@
+ #define MPHDRLEN 6 /* multilink protocol header length */
+ #define MPHDRLEN_SSN 4 /* ditto with short sequence numbers */
+
++#define PPP_PROTO_LEN 2
++
+ /*
+ * An instance of /dev/ppp can be associated with either a ppp
+ * interface unit or a ppp channel. In both cases, file->private_data
+@@ -487,6 +489,9 @@ static ssize_t ppp_write(struct file *file, const char __user *buf,
+
+ if (!pf)
+ return -ENXIO;
++ /* All PPP packets should start with the 2-byte protocol */
++ if (count < PPP_PROTO_LEN)
++ return -EINVAL;
+ ret = -ENOMEM;
+ skb = alloc_skb(count + pf->hdrlen, GFP_KERNEL);
+ if (!skb)
+@@ -1293,7 +1298,7 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb)
+ }
+
+ ++ppp->stats64.tx_packets;
+- ppp->stats64.tx_bytes += skb->len - 2;
++ ppp->stats64.tx_bytes += skb->len - PPP_PROTO_LEN;
+
+ switch (proto) {
+ case PPP_IP:
+diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
+index 4f345bd4e6e29..95151b46f2001 100644
+--- a/drivers/net/usb/mcs7830.c
++++ b/drivers/net/usb/mcs7830.c
+@@ -121,8 +121,16 @@ static const char driver_name[] = "MOSCHIP usb-ethernet driver";
+
+ static int mcs7830_get_reg(struct usbnet *dev, u16 index, u16 size, void *data)
+ {
+- return usbnet_read_cmd(dev, MCS7830_RD_BREQ, MCS7830_RD_BMREQ,
+- 0x0000, index, data, size);
++ int ret;
++
++ ret = usbnet_read_cmd(dev, MCS7830_RD_BREQ, MCS7830_RD_BMREQ,
++ 0x0000, index, data, size);
++ if (ret < 0)
++ return ret;
++ else if (ret < size)
++ return -ENODATA;
++
++ return ret;
+ }
+
+ static int mcs7830_set_reg(struct usbnet *dev, u16 index, u16 size, const void *data)
+diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
+index bc6330b437958..67c20cb92f138 100644
+--- a/drivers/net/wireless/ath/ar5523/ar5523.c
++++ b/drivers/net/wireless/ath/ar5523/ar5523.c
+@@ -153,6 +153,10 @@ static void ar5523_cmd_rx_cb(struct urb *urb)
+ ar5523_err(ar, "Invalid reply to WDCMSG_TARGET_START");
+ return;
+ }
++ if (!cmd->odata) {
++ ar5523_err(ar, "Unexpected WDCMSG_TARGET_START reply");
++ return;
++ }
+ memcpy(cmd->odata, hdr + 1, sizeof(u32));
+ cmd->olen = sizeof(u32);
+ cmd->res = 0;
+diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
+index 75072a8f8cf42..15fb14f818f8b 100644
+--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
++++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
+@@ -586,6 +586,13 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
+ return;
+ }
+
++ if (pkt_len > 2 * MAX_RX_BUF_SIZE) {
++ dev_err(&hif_dev->udev->dev,
++ "ath9k_htc: invalid pkt_len (%x)\n", pkt_len);
++ RX_STAT_INC(skb_dropped);
++ return;
++ }
++
+ pad_len = 4 - (pkt_len & 0x3);
+ if (pad_len == 4)
+ pad_len = 0;
+diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+index ca498b1f1f568..6417fda88733c 100644
+--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
++++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+@@ -1957,6 +1957,7 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
+ struct iwl_mvm_mc_iter_data iter_data = {
+ .mvm = mvm,
+ };
++ int ret;
+
+ lockdep_assert_held(&mvm->mutex);
+
+@@ -1966,6 +1967,22 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
+ ieee80211_iterate_active_interfaces_atomic(
+ mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+ iwl_mvm_mc_iface_iterator, &iter_data);
++
++ /*
++ * Send a (synchronous) ech command so that we wait for the
++ * multiple asynchronous MCAST_FILTER_CMD commands sent by
++ * the interface iterator. Otherwise, we might get here over
++ * and over again (by userspace just sending a lot of these)
++ * and the CPU can send them faster than the firmware can
++ * process them.
++ * Note that the CPU is still faster - but with this we'll
++ * actually send fewer commands overall because the CPU will
++ * not schedule the work in mac80211 as frequently if it's
++ * still running when rescheduled (possibly multiple times).
++ */
++ ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL);
++ if (ret)
++ IWL_ERR(mvm, "Failed to synchronize multicast groups update\n");
+ }
+
+ static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw,
+diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
+index 1be7b219cb202..4cdf6450aeedd 100644
+--- a/drivers/net/wireless/mwifiex/usb.c
++++ b/drivers/net/wireless/mwifiex/usb.c
+@@ -132,7 +132,8 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter,
+ default:
+ mwifiex_dbg(adapter, ERROR,
+ "unknown recv_type %#x\n", recv_type);
+- return -1;
++ ret = -1;
++ goto exit_restore_skb;
+ }
+ break;
+ case MWIFIEX_USB_EP_DATA:
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
+index 137d7c8645dae..380a2dcb95afd 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
+@@ -1062,6 +1062,7 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw)
+ _InitPABias(hw);
+ rtl92c_dm_init(hw);
+ exit:
++ local_irq_disable();
+ local_irq_restore(flags);
+ return err;
+ }
+diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
+index 3651c3871d5b4..1b4aacf2ff9a5 100644
+--- a/drivers/parisc/pdc_stable.c
++++ b/drivers/parisc/pdc_stable.c
+@@ -992,8 +992,10 @@ pdcs_register_pathentries(void)
+ entry->kobj.kset = paths_kset;
+ err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL,
+ "%s", entry->name);
+- if (err)
++ if (err) {
++ kobject_put(&entry->kobj);
+ return err;
++ }
+
+ /* kobject is now registered */
+ write_lock(&entry->rw_lock);
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 8df369fac3dfb..518383e5cb6d0 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -3657,6 +3657,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9120,
+ quirk_dma_func1_alias);
+ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9123,
+ quirk_dma_func1_alias);
++/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c136 */
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9125,
++ quirk_dma_func1_alias);
+ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9128,
+ quirk_dma_func1_alias);
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c14 */
+diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
+index c3b615c94b4bf..a92cbc952b70b 100644
+--- a/drivers/pcmcia/cs.c
++++ b/drivers/pcmcia/cs.c
+@@ -665,18 +665,16 @@ static int pccardd(void *__skt)
+ if (events || sysfs_events)
+ continue;
+
++ set_current_state(TASK_INTERRUPTIBLE);
+ if (kthread_should_stop())
+ break;
+
+- set_current_state(TASK_INTERRUPTIBLE);
+-
+ schedule();
+
+- /* make sure we are running */
+- __set_current_state(TASK_RUNNING);
+-
+ try_to_freeze();
+ }
++ /* make sure we are running before we exit */
++ __set_current_state(TASK_RUNNING);
+
+ /* shut down socket, if a device is still present */
+ if (skt->state & SOCKET_PRESENT) {
+diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
+index 5ef7b46a25786..2e96d9273b780 100644
+--- a/drivers/pcmcia/rsrc_nonstatic.c
++++ b/drivers/pcmcia/rsrc_nonstatic.c
+@@ -693,6 +693,9 @@ static struct resource *__nonstatic_find_io_region(struct pcmcia_socket *s,
+ unsigned long min = base;
+ int ret;
+
++ if (!res)
++ return NULL;
++
+ data.mask = align - 1;
+ data.offset = base & data.mask;
+ data.map = &s_data->io_db;
+@@ -812,6 +815,9 @@ static struct resource *nonstatic_find_mem_region(u_long base, u_long num,
+ unsigned long min, max;
+ int ret, i, j;
+
++ if (!res)
++ return NULL;
++
+ low = low || !(s->features & SS_CAP_PAGE_REGS);
+
+ data.mask = align - 1;
+diff --git a/drivers/power/bq25890_charger.c b/drivers/power/bq25890_charger.c
+index f993a55cde20f..faf2a62435674 100644
+--- a/drivers/power/bq25890_charger.c
++++ b/drivers/power/bq25890_charger.c
+@@ -521,12 +521,12 @@ static void bq25890_handle_state_change(struct bq25890_device *bq,
+
+ if (!new_state->online) { /* power removed */
+ /* disable ADC */
+- ret = bq25890_field_write(bq, F_CONV_START, 0);
++ ret = bq25890_field_write(bq, F_CONV_RATE, 0);
+ if (ret < 0)
+ goto error;
+ } else if (!old_state.online) { /* power inserted */
+ /* enable ADC, to have control of charge current/voltage */
+- ret = bq25890_field_write(bq, F_CONV_START, 1);
++ ret = bq25890_field_write(bq, F_CONV_RATE, 1);
+ if (ret < 0)
+ goto error;
+ }
+diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
+index 86015b393dd50..41de5f1331fec 100644
+--- a/drivers/rtc/rtc-cmos.c
++++ b/drivers/rtc/rtc-cmos.c
+@@ -343,7 +343,10 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
+ min = t->time.tm_min;
+ sec = t->time.tm_sec;
+
++ spin_lock_irq(&rtc_lock);
+ rtc_control = CMOS_READ(RTC_CONTROL);
++ spin_unlock_irq(&rtc_lock);
++
+ if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
+ /* Writing 0xff means "don't care" or "match all". */
+ mon = (mon <= 12) ? bin2bcd(mon) : 0xff;
+diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
+index df019b78d9f79..e26d6cc3c8716 100644
+--- a/drivers/scsi/sr.c
++++ b/drivers/scsi/sr.c
+@@ -883,7 +883,7 @@ static void get_capabilities(struct scsi_cd *cd)
+
+
+ /* allocate transfer buffer */
+- buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
++ buffer = kmalloc(512, GFP_KERNEL);
+ if (!buffer) {
+ sr_printk(KERN_ERR, cd, "out of memory.\n");
+ return;
+diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c
+index 11a238cb22223..629bfe1b20263 100644
+--- a/drivers/scsi/sr_vendor.c
++++ b/drivers/scsi/sr_vendor.c
+@@ -118,7 +118,7 @@ int sr_set_blocklength(Scsi_CD *cd, int blocklength)
+ density = (blocklength > 2048) ? 0x81 : 0x83;
+ #endif
+
+- buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
++ buffer = kmalloc(512, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
+@@ -166,7 +166,7 @@ int sr_cd_check(struct cdrom_device_info *cdi)
+ if (cd->cdi.mask & CDC_MULTI_SESSION)
+ return 0;
+
+- buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
++ buffer = kmalloc(512, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
+diff --git a/drivers/spi/spi-meson-spifc.c b/drivers/spi/spi-meson-spifc.c
+index 2465259f62411..8e662e7a35181 100644
+--- a/drivers/spi/spi-meson-spifc.c
++++ b/drivers/spi/spi-meson-spifc.c
+@@ -357,6 +357,7 @@ static int meson_spifc_probe(struct platform_device *pdev)
+ return 0;
+ out_clk:
+ clk_disable_unprepare(spifc->clk);
++ pm_runtime_disable(spifc->dev);
+ out_err:
+ spi_master_put(master);
+ return ret;
+diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c
+index 5d41d5b92619a..7f4ba92739663 100644
+--- a/drivers/tty/serial/amba-pl010.c
++++ b/drivers/tty/serial/amba-pl010.c
+@@ -465,14 +465,11 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios,
+ if ((termios->c_cflag & CREAD) == 0)
+ uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
+
+- /* first, disable everything */
+ old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
+
+ if (UART_ENABLE_MS(port, termios->c_cflag))
+ old_cr |= UART010_CR_MSIE;
+
+- writel(0, uap->port.membase + UART010_CR);
+-
+ /* Set baud rate */
+ quot -= 1;
+ writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM);
+diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
+index ecace294dc7e6..75932d68a722f 100644
+--- a/drivers/tty/serial/amba-pl011.c
++++ b/drivers/tty/serial/amba-pl011.c
+@@ -1944,32 +1944,13 @@ static const char *pl011_type(struct uart_port *port)
+ return uap->port.type == PORT_AMBA ? uap->type : NULL;
+ }
+
+-/*
+- * Release the memory region(s) being used by 'port'
+- */
+-static void pl011_release_port(struct uart_port *port)
+-{
+- release_mem_region(port->mapbase, SZ_4K);
+-}
+-
+-/*
+- * Request the memory region(s) being used by 'port'
+- */
+-static int pl011_request_port(struct uart_port *port)
+-{
+- return request_mem_region(port->mapbase, SZ_4K, "uart-pl011")
+- != NULL ? 0 : -EBUSY;
+-}
+-
+ /*
+ * Configure/autoconfigure the port.
+ */
+ static void pl011_config_port(struct uart_port *port, int flags)
+ {
+- if (flags & UART_CONFIG_TYPE) {
++ if (flags & UART_CONFIG_TYPE)
+ port->type = PORT_AMBA;
+- pl011_request_port(port);
+- }
+ }
+
+ /*
+@@ -1984,6 +1965,8 @@ static int pl011_verify_port(struct uart_port *port, struct serial_struct *ser)
+ ret = -EINVAL;
+ if (ser->baud_base < 9600)
+ ret = -EINVAL;
++ if (port->mapbase != (unsigned long) ser->iomem_base)
++ ret = -EINVAL;
+ return ret;
+ }
+
+@@ -2001,8 +1984,6 @@ static struct uart_ops amba_pl011_pops = {
+ .flush_buffer = pl011_dma_flush_buffer,
+ .set_termios = pl011_set_termios,
+ .type = pl011_type,
+- .release_port = pl011_release_port,
+- .request_port = pl011_request_port,
+ .config_port = pl011_config_port,
+ .verify_port = pl011_verify_port,
+ #ifdef CONFIG_CONSOLE_POLL
+@@ -2032,8 +2013,6 @@ static const struct uart_ops sbsa_uart_pops = {
+ .shutdown = sbsa_uart_shutdown,
+ .set_termios = sbsa_uart_set_termios,
+ .type = pl011_type,
+- .release_port = pl011_release_port,
+- .request_port = pl011_request_port,
+ .config_port = pl011_config_port,
+ .verify_port = pl011_verify_port,
+ #ifdef CONFIG_CONSOLE_POLL
+diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
+index 3bd19de7df71b..e49493703179d 100644
+--- a/drivers/tty/serial/atmel_serial.c
++++ b/drivers/tty/serial/atmel_serial.c
+@@ -928,6 +928,13 @@ static void atmel_tx_dma(struct uart_port *port)
+ desc->callback = atmel_complete_tx_dma;
+ desc->callback_param = atmel_port;
+ atmel_port->cookie_tx = dmaengine_submit(desc);
++ if (dma_submit_error(atmel_port->cookie_tx)) {
++ dev_err(port->dev, "dma_submit_error %d\n",
++ atmel_port->cookie_tx);
++ return;
++ }
++
++ dma_async_issue_pending(chan);
+ }
+
+ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+@@ -1186,6 +1193,13 @@ static int atmel_prepare_rx_dma(struct uart_port *port)
+ desc->callback_param = port;
+ atmel_port->desc_rx = desc;
+ atmel_port->cookie_rx = dmaengine_submit(desc);
++ if (dma_submit_error(atmel_port->cookie_rx)) {
++ dev_err(port->dev, "dma_submit_error %d\n",
++ atmel_port->cookie_rx);
++ goto chan_err;
++ }
++
++ dma_async_issue_pending(atmel_port->chan_rx);
+
+ return 0;
+
+diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
+index 013fb874c64e2..8142135a2eec4 100644
+--- a/drivers/tty/serial/serial_core.c
++++ b/drivers/tty/serial/serial_core.c
+@@ -2247,7 +2247,8 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
+ * We probably don't need a spinlock around this, but
+ */
+ spin_lock_irqsave(&port->lock, flags);
+- port->ops->set_mctrl(port, port->mctrl & TIOCM_DTR);
++ port->mctrl &= TIOCM_DTR;
++ port->ops->set_mctrl(port, port->mctrl);
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ /*
+diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
+index 99c146f4b6b51..3e0c1ff3a688e 100644
+--- a/drivers/usb/core/hcd.c
++++ b/drivers/usb/core/hcd.c
+@@ -731,6 +731,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
+ {
+ struct urb *urb;
+ int length;
++ int status;
+ unsigned long flags;
+ char buffer[6]; /* Any root hubs with > 31 ports? */
+
+@@ -748,11 +749,17 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd)
+ if (urb) {
+ clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags);
+ hcd->status_urb = NULL;
++ if (urb->transfer_buffer_length >= length) {
++ status = 0;
++ } else {
++ status = -EOVERFLOW;
++ length = urb->transfer_buffer_length;
++ }
+ urb->actual_length = length;
+ memcpy(urb->transfer_buffer, buffer, length);
+
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
+- usb_hcd_giveback_urb(hcd, urb, 0);
++ usb_hcd_giveback_urb(hcd, urb, status);
+ } else {
+ length = 0;
+ set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags);
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 66dda8d018caf..9b6d41740aaa6 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -1054,7 +1054,10 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
+ } else {
+ hub_power_on(hub, true);
+ }
+- }
++ /* Give some time on remote wakeup to let links to transit to U0 */
++ } else if (hub_is_superspeed(hub->hdev))
++ msleep(20);
++
+ init2:
+
+ /*
+@@ -1169,7 +1172,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
+ */
+ if (portchange || (hub_is_superspeed(hub->hdev) &&
+ port_resumed))
+- set_bit(port1, hub->change_bits);
++ set_bit(port1, hub->event_bits);
+
+ } else if (udev->persist_enabled) {
+ #ifdef CONFIG_PM
+diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
+index 390e592358e63..7af4d05dabeaa 100644
+--- a/drivers/usb/gadget/function/f_fs.c
++++ b/drivers/usb/gadget/function/f_fs.c
+@@ -541,7 +541,7 @@ static int ffs_ep0_open(struct inode *inode, struct file *file)
+ file->private_data = ffs;
+ ffs_data_opened(ffs);
+
+- return 0;
++ return stream_open(inode, file);
+ }
+
+ static int ffs_ep0_release(struct inode *inode, struct file *file)
+@@ -882,7 +882,7 @@ ffs_epfile_open(struct inode *inode, struct file *file)
+ file->private_data = epfile;
+ ffs_data_opened(epfile->ffs);
+
+- return 0;
++ return stream_open(inode, file);
+ }
+
+ static int ffs_aio_cancel(struct kiocb *kiocb)
+diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
+index 52c27cab78c3e..6f6315082bc44 100644
+--- a/drivers/usb/misc/ftdi-elan.c
++++ b/drivers/usb/misc/ftdi-elan.c
+@@ -209,6 +209,7 @@ static void ftdi_elan_delete(struct kref *kref)
+ mutex_unlock(&ftdi_module_lock);
+ kfree(ftdi->bulk_in_buffer);
+ ftdi->bulk_in_buffer = NULL;
++ kfree(ftdi);
+ }
+
+ static void ftdi_elan_put_kref(struct usb_ftdi *ftdi)
+diff --git a/drivers/w1/slaves/w1_ds28e04.c b/drivers/w1/slaves/w1_ds28e04.c
+index 365d6dff21de2..83c5864891424 100644
+--- a/drivers/w1/slaves/w1_ds28e04.c
++++ b/drivers/w1/slaves/w1_ds28e04.c
+@@ -39,7 +39,7 @@ static int w1_strong_pullup = 1;
+ module_param_named(strong_pullup, w1_strong_pullup, int, 0);
+
+ /* enable/disable CRC checking on DS28E04-100 memory accesses */
+-static char w1_enable_crccheck = 1;
++static bool w1_enable_crccheck = true;
+
+ #define W1_EEPROM_SIZE 512
+ #define W1_PAGE_COUNT 16
+@@ -346,32 +346,18 @@ static BIN_ATTR_RW(pio, 1);
+ static ssize_t crccheck_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+ {
+- if (put_user(w1_enable_crccheck + 0x30, buf))
+- return -EFAULT;
+-
+- return sizeof(w1_enable_crccheck);
++ return sysfs_emit(buf, "%d\n", w1_enable_crccheck);
+ }
+
+ static ssize_t crccheck_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+ {
+- char val;
+-
+- if (count != 1 || !buf)
+- return -EINVAL;
++ int err = kstrtobool(buf, &w1_enable_crccheck);
+
+- if (get_user(val, buf))
+- return -EFAULT;
++ if (err)
++ return err;
+
+- /* convert to decimal */
+- val = val - 0x30;
+- if (val != 0 && val != 1)
+- return -EINVAL;
+-
+- /* set the new value */
+- w1_enable_crccheck = val;
+-
+- return sizeof(w1_enable_crccheck);
++ return count;
+ }
+
+ static DEVICE_ATTR_RW(crccheck);
+diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
+index 228bfa19b745d..00c9a9e719ece 100644
+--- a/fs/btrfs/backref.c
++++ b/fs/btrfs/backref.c
+@@ -975,7 +975,12 @@ again:
+ ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0);
+ if (ret < 0)
+ goto out;
+- BUG_ON(ret == 0);
++ if (ret == 0) {
++ /* This shouldn't happen, indicates a bug or fs corruption. */
++ ASSERT(ret != 0);
++ ret = -EUCLEAN;
++ goto out;
++ }
+
+ #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+ if (trans && likely(trans->type != __TRANS_DUMMY) &&
+@@ -1104,10 +1109,18 @@ again:
+ goto out;
+ if (!ret && extent_item_pos) {
+ /*
+- * we've recorded that parent, so we must extend
+- * its inode list here
++ * We've recorded that parent, so we must extend
++ * its inode list here.
++ *
++ * However if there was corruption we may not
++ * have found an eie, return an error in this
++ * case.
+ */
+- BUG_ON(!eie);
++ ASSERT(eie);
++ if (!eie) {
++ ret = -EUCLEAN;
++ goto out;
++ }
+ while (eie->next)
+ eie = eie->next;
+ eie->next = ref->inode_list;
+diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
+index 3a7f401e943c1..ffab7dc881574 100644
+--- a/fs/dlm/lock.c
++++ b/fs/dlm/lock.c
+@@ -3975,6 +3975,14 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms)
+ int from = ms->m_header.h_nodeid;
+ int error = 0;
+
++ /* currently mixing of user/kernel locks are not supported */
++ if (ms->m_flags & DLM_IFL_USER && ~lkb->lkb_flags & DLM_IFL_USER) {
++ log_error(lkb->lkb_resource->res_ls,
++ "got user dlm message for a kernel lock");
++ error = -EINVAL;
++ goto out;
++ }
++
+ switch (ms->m_type) {
+ case DLM_MSG_CONVERT:
+ case DLM_MSG_UNLOCK:
+@@ -4003,6 +4011,7 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms)
+ error = -EINVAL;
+ }
+
++out:
+ if (error)
+ log_error(lkb->lkb_resource->res_ls,
+ "ignore invalid message %d from %d %x %x %x %d",
+diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
+index 84f8d07302efa..a224d6efb5a6d 100644
+--- a/fs/ext4/ioctl.c
++++ b/fs/ext4/ioctl.c
+@@ -610,8 +610,6 @@ resizefs_out:
+ sizeof(range)))
+ return -EFAULT;
+
+- range.minlen = max((unsigned int)range.minlen,
+- q->limits.discard_granularity);
+ ret = ext4_trim_fs(sb, &range);
+ if (ret < 0)
+ return ret;
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index ac87f7e5d6a4f..c7be47ed71144 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -5223,6 +5223,7 @@ out:
+ */
+ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range)
+ {
++ struct request_queue *q = bdev_get_queue(sb->s_bdev);
+ struct ext4_group_info *grp;
+ ext4_group_t group, first_group, last_group;
+ ext4_grpblk_t cnt = 0, first_cluster, last_cluster;
+@@ -5241,6 +5242,13 @@ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range)
+ start >= max_blks ||
+ range->len < sb->s_blocksize)
+ return -EINVAL;
++ /* No point to try to trim less than discard granularity */
++ if (range->minlen < q->limits.discard_granularity) {
++ minlen = EXT4_NUM_B2C(EXT4_SB(sb),
++ q->limits.discard_granularity >> sb->s_blocksize_bits);
++ if (minlen > EXT4_CLUSTERS_PER_GROUP(sb))
++ goto out;
++ }
+ if (end >= max_blks)
+ end = max_blks - 1;
+ if (end <= first_data_blk)
+diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
+index a4651894cc332..1073e24ab6220 100644
+--- a/fs/ext4/migrate.c
++++ b/fs/ext4/migrate.c
+@@ -459,12 +459,12 @@ int ext4_ext_migrate(struct inode *inode)
+ return retval;
+
+ /*
+- * Worst case we can touch the allocation bitmaps, a bgd
+- * block, and a block to link in the orphan list. We do need
+- * need to worry about credits for modifying the quota inode.
++ * Worst case we can touch the allocation bitmaps and a block
++ * group descriptor block. We do need need to worry about
++ * credits for modifying the quota inode.
+ */
+ handle = ext4_journal_start(inode, EXT4_HT_MIGRATE,
+- 4 + EXT4_MAXQUOTAS_TRANS_BLOCKS(inode->i_sb));
++ 3 + EXT4_MAXQUOTAS_TRANS_BLOCKS(inode->i_sb));
+
+ if (IS_ERR(handle)) {
+ retval = PTR_ERR(handle);
+@@ -481,6 +481,13 @@ int ext4_ext_migrate(struct inode *inode)
+ ext4_journal_stop(handle);
+ return retval;
+ }
++ /*
++ * Use the correct seed for checksum (i.e. the seed from 'inode'). This
++ * is so that the metadata blocks will have the correct checksum after
++ * the migration.
++ */
++ ei = EXT4_I(inode);
++ EXT4_I(tmp_inode)->i_csum_seed = ei->i_csum_seed;
+ i_size_write(tmp_inode, i_size_read(inode));
+ /*
+ * Set the i_nlink to zero so it will be deleted later
+@@ -489,7 +496,6 @@ int ext4_ext_migrate(struct inode *inode)
+ clear_nlink(tmp_inode);
+
+ ext4_ext_tree_init(handle, tmp_inode);
+- ext4_orphan_add(handle, tmp_inode);
+ ext4_journal_stop(handle);
+
+ /*
+@@ -514,17 +520,10 @@ int ext4_ext_migrate(struct inode *inode)
+
+ handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, 1);
+ if (IS_ERR(handle)) {
+- /*
+- * It is impossible to update on-disk structures without
+- * a handle, so just rollback in-core changes and live other
+- * work to orphan_list_cleanup()
+- */
+- ext4_orphan_del(NULL, tmp_inode);
+ retval = PTR_ERR(handle);
+ goto out;
+ }
+
+- ei = EXT4_I(inode);
+ i_data = ei->i_data;
+ memset(&lb, 0, sizeof(lb));
+
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 1de02b90a1ef8..ae074ad4daaeb 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -5367,7 +5367,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
+ struct buffer_head *bh;
+ handle_t *handle = journal_current_handle();
+
+- if (EXT4_SB(sb)->s_journal && !handle) {
++ if (!handle) {
+ ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
+ " cancelled because transaction is not started",
+ (unsigned long long)off, (unsigned long long)len);
+diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
+index 7968b7a5e7878..2b35d1dd665df 100644
+--- a/fs/ubifs/super.c
++++ b/fs/ubifs/super.c
+@@ -1695,7 +1695,6 @@ out:
+ kthread_stop(c->bgt);
+ c->bgt = NULL;
+ }
+- free_wbufs(c);
+ kfree(c->write_reserve_buf);
+ c->write_reserve_buf = NULL;
+ vfree(c->ileb_buf);
+diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
+index d236ce450da3e..2eee8ea05a7f1 100644
+--- a/include/net/sch_generic.h
++++ b/include/net/sch_generic.h
+@@ -797,6 +797,7 @@ struct psched_ratecfg {
+ u64 rate_bytes_ps; /* bytes per second */
+ u32 mult;
+ u16 overhead;
++ u16 mpu;
+ u8 linklayer;
+ u8 shift;
+ };
+@@ -806,6 +807,9 @@ static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
+ {
+ len += r->overhead;
+
++ if (len < r->mpu)
++ len = r->mpu;
++
+ if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
+ return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift;
+
+@@ -828,6 +832,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
+ res->rate = min_t(u64, r->rate_bytes_ps, ~0U);
+
+ res->overhead = r->overhead;
++ res->mpu = r->mpu;
+ res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
+ }
+
+diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
+index b1757895c4ad2..23bad44bb0850 100644
+--- a/net/bluetooth/cmtp/core.c
++++ b/net/bluetooth/cmtp/core.c
+@@ -500,9 +500,7 @@ static int __init cmtp_init(void)
+ {
+ BT_INFO("CMTP (CAPI Emulation) ver %s", VERSION);
+
+- cmtp_init_sockets();
+-
+- return 0;
++ return cmtp_init_sockets();
+ }
+
+ static void __exit cmtp_exit(void)
+diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
+index eefaa10c74dbb..1cc78b88a0d9f 100644
+--- a/net/bluetooth/hci_core.c
++++ b/net/bluetooth/hci_core.c
+@@ -3459,6 +3459,7 @@ int hci_register_dev(struct hci_dev *hdev)
+ return id;
+
+ err_wqueue:
++ debugfs_remove_recursive(hdev->debugfs);
+ destroy_workqueue(hdev->workqueue);
+ destroy_workqueue(hdev->req_workqueue);
+ err:
+diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
+index 6528ecc3a3bc5..05ccd2bcd9e46 100644
+--- a/net/bluetooth/hci_event.c
++++ b/net/bluetooth/hci_event.c
+@@ -4940,7 +4940,8 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
+ struct hci_ev_le_advertising_info *ev = ptr;
+ s8 rssi;
+
+- if (ev->length <= HCI_MAX_AD_LENGTH) {
++ if (ev->length <= HCI_MAX_AD_LENGTH &&
++ ev->data + ev->length <= skb_tail_pointer(skb)) {
+ rssi = ev->data[ev->length];
+ process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
+ ev->bdaddr_type, NULL, 0, rssi,
+@@ -4950,6 +4951,11 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
+ }
+
+ ptr += sizeof(*ev) + ev->length + 1;
++
++ if (ptr > (void *) skb_tail_pointer(skb) - sizeof(*ev)) {
++ bt_dev_err(hdev, "Malicious advertising data. Stopping processing");
++ break;
++ }
+ }
+
+ hci_dev_unlock(hdev);
+diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
+index 24eea13035557..f580dbaac5a94 100644
+--- a/net/bridge/br_netfilter_hooks.c
++++ b/net/bridge/br_netfilter_hooks.c
+@@ -719,6 +719,9 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff
+ if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu)
+ mtu = nf_bridge->frag_max_size;
+
++ nf_bridge_update_protocol(skb);
++ nf_bridge_push_encap_header(skb);
++
+ if (skb_is_gso(skb) || skb->len + mtu_reserved <= mtu) {
+ nf_bridge_info_free(skb);
+ return br_dev_queue_push_xmit(net, sk, skb);
+@@ -736,8 +739,6 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff
+
+ IPCB(skb)->frag_max_size = nf_bridge->frag_max_size;
+
+- nf_bridge_update_protocol(skb);
+-
+ data = this_cpu_ptr(&brnf_frag_data_storage);
+
+ data->vlan_tci = skb->vlan_tci;
+@@ -760,8 +761,6 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff
+
+ IP6CB(skb)->frag_max_size = nf_bridge->frag_max_size;
+
+- nf_bridge_update_protocol(skb);
+-
+ data = this_cpu_ptr(&brnf_frag_data_storage);
+ data->encap_size = nf_bridge_encap_header_len(skb);
+ data->size = ETH_HLEN + data->encap_size;
+diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
+index 01bfe28b20a19..441973d890683 100644
+--- a/net/core/net_namespace.c
++++ b/net/core/net_namespace.c
+@@ -130,8 +130,10 @@ static void ops_exit_list(const struct pernet_operations *ops,
+ {
+ struct net *net;
+ if (ops->exit) {
+- list_for_each_entry(net, net_exit_list, exit_list)
++ list_for_each_entry(net, net_exit_list, exit_list) {
+ ops->exit(net);
++ cond_resched();
++ }
+ }
+ if (ops->exit_batch)
+ ops->exit_batch(net_exit_list);
+diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c
+index ece7a5d59a612..1d61a08eafaf7 100644
+--- a/net/nfc/llcp_sock.c
++++ b/net/nfc/llcp_sock.c
+@@ -790,6 +790,11 @@ static int llcp_sock_sendmsg(struct socket *sock, struct msghdr *msg,
+
+ lock_sock(sk);
+
++ if (!llcp_sock->local) {
++ release_sock(sk);
++ return -ENODEV;
++ }
++
+ if (sk->sk_type == SOCK_DGRAM) {
+ DECLARE_SOCKADDR(struct sockaddr_nfc_llcp *, addr,
+ msg->msg_name);
+diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
+index 10c05fa0e6b35..dabd63f708024 100644
+--- a/net/sched/sch_generic.c
++++ b/net/sched/sch_generic.c
+@@ -966,6 +966,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r,
+ {
+ memset(r, 0, sizeof(*r));
+ r->overhead = conf->overhead;
++ r->mpu = conf->mpu;
+ r->rate_bytes_ps = max_t(u64, conf->rate, rate64);
+ r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK);
+ r->mult = 1;
+diff --git a/net/unix/garbage.c b/net/unix/garbage.c
+index 8bbe1b8e4ff7f..4d283e26d8162 100644
+--- a/net/unix/garbage.c
++++ b/net/unix/garbage.c
+@@ -197,8 +197,11 @@ void wait_for_unix_gc(void)
+ {
+ /* If number of inflight sockets is insane,
+ * force a garbage collect right now.
++ * Paired with the WRITE_ONCE() in unix_inflight(),
++ * unix_notinflight() and gc_in_progress().
+ */
+- if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress)
++ if (READ_ONCE(unix_tot_inflight) > UNIX_INFLIGHT_TRIGGER_GC &&
++ !READ_ONCE(gc_in_progress))
+ unix_gc();
+ wait_event(unix_gc_wait, gc_in_progress == false);
+ }
+@@ -218,7 +221,9 @@ void unix_gc(void)
+ if (gc_in_progress)
+ goto out;
+
+- gc_in_progress = true;
++ /* Paired with READ_ONCE() in wait_for_unix_gc(). */
++ WRITE_ONCE(gc_in_progress, true);
++
+ /* First, select candidates for garbage collection. Only
+ * in-flight sockets are considered, and from those only ones
+ * which don't have any external reference.
+@@ -304,7 +309,10 @@ void unix_gc(void)
+
+ /* All candidates should have been detached by now. */
+ BUG_ON(!list_empty(&gc_candidates));
+- gc_in_progress = false;
++
++ /* Paired with READ_ONCE() in wait_for_unix_gc(). */
++ WRITE_ONCE(gc_in_progress, false);
++
+ wake_up(&unix_gc_wait);
+
+ out:
+diff --git a/net/unix/scm.c b/net/unix/scm.c
+index df8f636ab1d8c..bf1a8fa8c4f1d 100644
+--- a/net/unix/scm.c
++++ b/net/unix/scm.c
+@@ -56,7 +56,8 @@ void unix_inflight(struct user_struct *user, struct file *fp)
+ } else {
+ BUG_ON(list_empty(&u->link));
+ }
+- unix_tot_inflight++;
++ /* Paired with READ_ONCE() in wait_for_unix_gc() */
++ WRITE_ONCE(unix_tot_inflight, unix_tot_inflight + 1);
+ }
+ user->unix_inflight++;
+ spin_unlock(&unix_gc_lock);
+@@ -76,7 +77,8 @@ void unix_notinflight(struct user_struct *user, struct file *fp)
+
+ if (atomic_long_dec_and_test(&u->inflight))
+ list_del_init(&u->link);
+- unix_tot_inflight--;
++ /* Paired with READ_ONCE() in wait_for_unix_gc() */
++ WRITE_ONCE(unix_tot_inflight, unix_tot_inflight - 1);
+ }
+ user->unix_inflight--;
+ spin_unlock(&unix_gc_lock);
+diff --git a/sound/core/jack.c b/sound/core/jack.c
+index fcc972fbe8ffd..ecbdac88f95ad 100644
+--- a/sound/core/jack.c
++++ b/sound/core/jack.c
+@@ -64,10 +64,13 @@ static int snd_jack_dev_free(struct snd_device *device)
+ struct snd_card *card = device->card;
+ struct snd_jack_kctl *jack_kctl, *tmp_jack_kctl;
+
++ down_write(&card->controls_rwsem);
+ list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) {
+ list_del_init(&jack_kctl->list);
+ snd_ctl_remove(card, jack_kctl->kctl);
+ }
++ up_write(&card->controls_rwsem);
++
+ if (jack->private_free)
+ jack->private_free(jack);
+
+diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
+index 593791d9a334f..6af4afe23e373 100644
+--- a/sound/core/oss/pcm_oss.c
++++ b/sound/core/oss/pcm_oss.c
+@@ -2121,7 +2121,7 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
+ int err, cmd;
+
+ #ifdef OSS_DEBUG
+- pcm_dbg(substream->pcm, "pcm_oss: trigger = 0x%x\n", trigger);
++ pr_debug("pcm_oss: trigger = 0x%x\n", trigger);
+ #endif
+
+ psubstream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
+diff --git a/sound/core/pcm.c b/sound/core/pcm.c
+index cdff5f9764808..6ae28dcd79945 100644
+--- a/sound/core/pcm.c
++++ b/sound/core/pcm.c
+@@ -857,7 +857,11 @@ EXPORT_SYMBOL(snd_pcm_new_internal);
+ static void free_chmap(struct snd_pcm_str *pstr)
+ {
+ if (pstr->chmap_kctl) {
+- snd_ctl_remove(pstr->pcm->card, pstr->chmap_kctl);
++ struct snd_card *card = pstr->pcm->card;
++
++ down_write(&card->controls_rwsem);
++ snd_ctl_remove(card, pstr->chmap_kctl);
++ up_write(&card->controls_rwsem);
+ pstr->chmap_kctl = NULL;
+ }
+ }
+diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
+index ea1aa07962761..b923059a22276 100644
+--- a/sound/core/seq/seq_queue.c
++++ b/sound/core/seq/seq_queue.c
+@@ -257,12 +257,15 @@ struct snd_seq_queue *snd_seq_queue_find_name(char *name)
+
+ /* -------------------------------------------------------- */
+
++#define MAX_CELL_PROCESSES_IN_QUEUE 1000
++
+ void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop)
+ {
+ unsigned long flags;
+ struct snd_seq_event_cell *cell;
+ snd_seq_tick_time_t cur_tick;
+ snd_seq_real_time_t cur_time;
++ int processed = 0;
+
+ if (q == NULL)
+ return;
+@@ -285,6 +288,8 @@ void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop)
+ if (!cell)
+ break;
+ snd_seq_dispatch_event(cell, atomic, hop);
++ if (++processed >= MAX_CELL_PROCESSES_IN_QUEUE)
++ goto out; /* the rest processed at the next batch */
+ }
+
+ /* Process time queue... */
+@@ -294,14 +299,19 @@ void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop)
+ if (!cell)
+ break;
+ snd_seq_dispatch_event(cell, atomic, hop);
++ if (++processed >= MAX_CELL_PROCESSES_IN_QUEUE)
++ goto out; /* the rest processed at the next batch */
+ }
+
++ out:
+ /* free lock */
+ spin_lock_irqsave(&q->check_lock, flags);
+ if (q->check_again) {
+ q->check_again = 0;
+- spin_unlock_irqrestore(&q->check_lock, flags);
+- goto __again;
++ if (processed < MAX_CELL_PROCESSES_IN_QUEUE) {
++ spin_unlock_irqrestore(&q->check_lock, flags);
++ goto __again;
++ }
+ }
+ q->check_blocked = 0;
+ spin_unlock_irqrestore(&q->check_lock, flags);
+diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
+index 4962a9d8a572b..7533f8860c57e 100644
+--- a/sound/pci/hda/hda_codec.c
++++ b/sound/pci/hda/hda_codec.c
+@@ -1608,8 +1608,11 @@ void snd_hda_ctls_clear(struct hda_codec *codec)
+ {
+ int i;
+ struct hda_nid_item *items = codec->mixers.list;
++
++ down_write(&codec->card->controls_rwsem);
+ for (i = 0; i < codec->mixers.used; i++)
+ snd_ctl_remove(codec->card, items[i].kctl);
++ up_write(&codec->card->controls_rwsem);
+ snd_array_free(&codec->mixers);
+ snd_array_free(&codec->nids);
+ }
+diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
+index 4ed29ffc1c54e..d9cd9350ffbe2 100644
+--- a/sound/soc/samsung/idma.c
++++ b/sound/soc/samsung/idma.c
+@@ -370,6 +370,8 @@ static int preallocate_idma_buffer(struct snd_pcm *pcm, int stream)
+ buf->addr = idma.lp_tx_addr;
+ buf->bytes = idma_hardware.buffer_bytes_max;
+ buf->area = (unsigned char * __force)ioremap(buf->addr, buf->bytes);
++ if (!buf->area)
++ return -ENOMEM;
+
+ return 0;
+ }
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