From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.4 commit in: /
Date: Sat, 4 Jan 2020 16:46:20 +0000 (UTC) [thread overview]
Message-ID: <1578156363.b6151a96591ba6674a268e51f970194e17e1c454.mpagano@gentoo> (raw)
commit: b6151a96591ba6674a268e51f970194e17e1c454
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat Jan 4 16:46:03 2020 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat Jan 4 16:46:03 2020 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=b6151a96
Linux patch 4.4.208
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1207_linux-4.4.208.patch | 3292 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 3296 insertions(+)
diff --git a/0000_README b/0000_README
index b0c8418..9a294a8 100644
--- a/0000_README
+++ b/0000_README
@@ -871,6 +871,10 @@ Patch: 1206_linux-4.4.207.patch
From: http://www.kernel.org
Desc: Linux 4.4.207
+Patch: 1207_linux-4.4.208.patch
+From: http://www.kernel.org
+Desc: Linux 4.4.208
+
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/1207_linux-4.4.208.patch b/1207_linux-4.4.208.patch
new file mode 100644
index 0000000..c514720
--- /dev/null
+++ b/1207_linux-4.4.208.patch
@@ -0,0 +1,3292 @@
+diff --git a/Makefile b/Makefile
+index 4857306a8e4c..84d74ea25d70 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 207
++SUBLEVEL = 208
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+
+diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h
+index 005bf4ff1b4c..f3ddd4f599e3 100644
+--- a/arch/arm/boot/compressed/libfdt_env.h
++++ b/arch/arm/boot/compressed/libfdt_env.h
+@@ -1,11 +1,13 @@
+ #ifndef _ARM_LIBFDT_ENV_H
+ #define _ARM_LIBFDT_ENV_H
+
++#include <linux/limits.h>
+ #include <linux/types.h>
+ #include <linux/string.h>
+ #include <asm/byteorder.h>
+
+-#define INT_MAX ((int)(~0U>>1))
++#define INT32_MAX S32_MAX
++#define UINT32_MAX U32_MAX
+
+ typedef __be16 fdt16_t;
+ typedef __be32 fdt32_t;
+diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
+index f67f35b6edb1..e6ad81556575 100644
+--- a/arch/arm64/kernel/psci.c
++++ b/arch/arm64/kernel/psci.c
+@@ -151,7 +151,8 @@ static void cpu_psci_cpu_die(unsigned int cpu)
+
+ static int cpu_psci_cpu_kill(unsigned int cpu)
+ {
+- int err, i;
++ int err;
++ unsigned long start, end;
+
+ if (!psci_ops.affinity_info)
+ return 0;
+@@ -161,16 +162,18 @@ static int cpu_psci_cpu_kill(unsigned int cpu)
+ * while it is dying. So, try again a few times.
+ */
+
+- for (i = 0; i < 10; i++) {
++ start = jiffies;
++ end = start + msecs_to_jiffies(100);
++ do {
+ err = psci_ops.affinity_info(cpu_logical_map(cpu), 0);
+ if (err == PSCI_0_2_AFFINITY_LEVEL_OFF) {
+- pr_info("CPU%d killed.\n", cpu);
++ pr_info("CPU%d killed (polled %d ms)\n", cpu,
++ jiffies_to_msecs(jiffies - start));
+ return 0;
+ }
+
+- msleep(10);
+- pr_info("Retrying again to check for CPU kill\n");
+- }
++ usleep_range(100, 1000);
++ } while (time_before(jiffies, end));
+
+ pr_warn("CPU%d may not have shut down cleanly (AFFINITY_INFO reports %d)\n",
+ cpu, err);
+diff --git a/arch/powerpc/boot/libfdt_env.h b/arch/powerpc/boot/libfdt_env.h
+index 0b3db6322c79..5f2cb1c53e15 100644
+--- a/arch/powerpc/boot/libfdt_env.h
++++ b/arch/powerpc/boot/libfdt_env.h
+@@ -5,6 +5,8 @@
+ #include <string.h>
+
+ #define INT_MAX ((int)(~0U>>1))
++#define UINT32_MAX ((u32)~0U)
++#define INT32_MAX ((s32)(UINT32_MAX >> 1))
+
+ #include "of.h"
+
+diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
+index 290559df1e8b..083c31d8459a 100644
+--- a/arch/powerpc/kernel/irq.c
++++ b/arch/powerpc/kernel/irq.c
+@@ -484,8 +484,6 @@ void __do_irq(struct pt_regs *regs)
+
+ trace_irq_entry(regs);
+
+- check_stack_overflow();
+-
+ /*
+ * Query the platform PIC for the interrupt & ack it.
+ *
+@@ -517,6 +515,8 @@ void do_IRQ(struct pt_regs *regs)
+ irqtp = hardirq_ctx[raw_smp_processor_id()];
+ sirqtp = softirq_ctx[raw_smp_processor_id()];
+
++ check_stack_overflow();
++
+ /* Already there ? */
+ if (unlikely(curtp == irqtp || curtp == sirqtp)) {
+ __do_irq(regs);
+diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c
+index 156cfe6d23b0..45778c83038f 100644
+--- a/arch/powerpc/kernel/security.c
++++ b/arch/powerpc/kernel/security.c
+@@ -135,32 +135,33 @@ ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr, cha
+
+ thread_priv = security_ftr_enabled(SEC_FTR_L1D_THREAD_PRIV);
+
+- if (rfi_flush || thread_priv) {
++ if (rfi_flush) {
+ struct seq_buf s;
+ seq_buf_init(&s, buf, PAGE_SIZE - 1);
+
+- seq_buf_printf(&s, "Mitigation: ");
+-
+- if (rfi_flush)
+- seq_buf_printf(&s, "RFI Flush");
+-
+- if (rfi_flush && thread_priv)
+- seq_buf_printf(&s, ", ");
+-
++ seq_buf_printf(&s, "Mitigation: RFI Flush");
+ if (thread_priv)
+- seq_buf_printf(&s, "L1D private per thread");
++ seq_buf_printf(&s, ", L1D private per thread");
+
+ seq_buf_printf(&s, "\n");
+
+ return s.len;
+ }
+
++ if (thread_priv)
++ return sprintf(buf, "Vulnerable: L1D private per thread\n");
++
+ if (!security_ftr_enabled(SEC_FTR_L1D_FLUSH_HV) &&
+ !security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR))
+ return sprintf(buf, "Not affected\n");
+
+ return sprintf(buf, "Vulnerable\n");
+ }
++
++ssize_t cpu_show_l1tf(struct device *dev, struct device_attribute *attr, char *buf)
++{
++ return cpu_show_meltdown(dev, attr, buf);
++}
+ #endif
+
+ ssize_t cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, char *buf)
+diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
+index 2e9cae5f8d17..397076474a71 100644
+--- a/arch/powerpc/kernel/time.c
++++ b/arch/powerpc/kernel/time.c
+@@ -245,7 +245,7 @@ static u64 scan_dispatch_log(u64 stop_tb)
+ * Accumulate stolen time by scanning the dispatch trace log.
+ * Called on entry from user mode.
+ */
+-void accumulate_stolen_time(void)
++void notrace accumulate_stolen_time(void)
+ {
+ u64 sst, ust;
+
+diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
+index fc44ad0475f8..b126ce49ae7b 100644
+--- a/arch/powerpc/platforms/pseries/cmm.c
++++ b/arch/powerpc/platforms/pseries/cmm.c
+@@ -391,6 +391,10 @@ static struct bus_type cmm_subsys = {
+ .dev_name = "cmm",
+ };
+
++static void cmm_release_device(struct device *dev)
++{
++}
++
+ /**
+ * cmm_sysfs_register - Register with sysfs
+ *
+@@ -406,6 +410,7 @@ static int cmm_sysfs_register(struct device *dev)
+
+ dev->id = 0;
+ dev->bus = &cmm_subsys;
++ dev->release = cmm_release_device;
+
+ if ((rc = device_register(dev)))
+ goto subsys_unregister;
+diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
+index 874762a51c54..7490c52b2715 100644
+--- a/arch/s390/kernel/perf_cpum_sf.c
++++ b/arch/s390/kernel/perf_cpum_sf.c
+@@ -185,7 +185,7 @@ static int realloc_sampling_buffer(struct sf_buffer *sfb,
+ unsigned long num_sdb, gfp_t gfp_flags)
+ {
+ int i, rc;
+- unsigned long *new, *tail;
++ unsigned long *new, *tail, *tail_prev = NULL;
+
+ if (!sfb->sdbt || !sfb->tail)
+ return -EINVAL;
+@@ -224,6 +224,7 @@ static int realloc_sampling_buffer(struct sf_buffer *sfb,
+ sfb->num_sdbt++;
+ /* Link current page to tail of chain */
+ *tail = (unsigned long)(void *) new + 1;
++ tail_prev = tail;
+ tail = new;
+ }
+
+@@ -233,10 +234,22 @@ static int realloc_sampling_buffer(struct sf_buffer *sfb,
+ * issue, a new realloc call (if required) might succeed.
+ */
+ rc = alloc_sample_data_block(tail, gfp_flags);
+- if (rc)
++ if (rc) {
++ /* Undo last SDBT. An SDBT with no SDB at its first
++ * entry but with an SDBT entry instead can not be
++ * handled by the interrupt handler code.
++ * Avoid this situation.
++ */
++ if (tail_prev) {
++ sfb->num_sdbt--;
++ free_page((unsigned long) new);
++ tail = tail_prev;
++ }
+ break;
++ }
+ sfb->num_sdb++;
+ tail++;
++ tail_prev = new = NULL; /* Allocated at least one SBD */
+ }
+
+ /* Link sampling buffer to its origin */
+diff --git a/arch/sh/include/cpu-sh4/cpu/sh7734.h b/arch/sh/include/cpu-sh4/cpu/sh7734.h
+index 2fb9a7b71b41..a2667c9b5819 100644
+--- a/arch/sh/include/cpu-sh4/cpu/sh7734.h
++++ b/arch/sh/include/cpu-sh4/cpu/sh7734.h
+@@ -133,7 +133,7 @@ enum {
+ GPIO_FN_EX_WAIT1, GPIO_FN_SD1_DAT0_A, GPIO_FN_DREQ2, GPIO_FN_CAN1_TX_C,
+ GPIO_FN_ET0_LINK_C, GPIO_FN_ET0_ETXD5_A,
+ GPIO_FN_EX_WAIT0, GPIO_FN_TCLK1_B,
+- GPIO_FN_RD_WR, GPIO_FN_TCLK0,
++ GPIO_FN_RD_WR, GPIO_FN_TCLK0, GPIO_FN_CAN_CLK_B, GPIO_FN_ET0_ETXD4,
+ GPIO_FN_EX_CS5, GPIO_FN_SD1_CMD_A, GPIO_FN_ATADIR, GPIO_FN_QSSL_B,
+ GPIO_FN_ET0_ETXD3_A,
+ GPIO_FN_EX_CS4, GPIO_FN_SD1_WP_A, GPIO_FN_ATAWR, GPIO_FN_QMI_QIO1_B,
+diff --git a/arch/x86/include/asm/crash.h b/arch/x86/include/asm/crash.h
+index f498411f2500..1b15304dd098 100644
+--- a/arch/x86/include/asm/crash.h
++++ b/arch/x86/include/asm/crash.h
+@@ -1,6 +1,8 @@
+ #ifndef _ASM_X86_CRASH_H
+ #define _ASM_X86_CRASH_H
+
++struct kimage;
++
+ int crash_load_segments(struct kimage *image);
+ int crash_copy_backup_region(struct kimage *image);
+ int crash_setup_memmap_entries(struct kimage *image,
+diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
+index f80d70009ff8..d0e39f54feee 100644
+--- a/arch/x86/include/asm/fixmap.h
++++ b/arch/x86/include/asm/fixmap.h
+@@ -147,7 +147,7 @@ extern pgprot_t kmap_prot;
+ extern pte_t *pkmap_page_table;
+
+ void __native_set_fixmap(enum fixed_addresses idx, pte_t pte);
+-void native_set_fixmap(enum fixed_addresses idx,
++void native_set_fixmap(unsigned /* enum fixed_addresses */ idx,
+ phys_addr_t phys, pgprot_t flags);
+
+ #ifndef CONFIG_PARAVIRT
+diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
+index 4d5e8ff3b5e5..5e8fc9809da3 100644
+--- a/arch/x86/kernel/apic/io_apic.c
++++ b/arch/x86/kernel/apic/io_apic.c
+@@ -1710,9 +1710,10 @@ static bool io_apic_level_ack_pending(struct mp_chip_data *data)
+
+ static inline bool ioapic_irqd_mask(struct irq_data *data)
+ {
+- /* If we are moving the irq we need to mask it */
++ /* If we are moving the IRQ we need to mask it */
+ if (unlikely(irqd_is_setaffinity_pending(data))) {
+- mask_ioapic_irq(data);
++ if (!irqd_irq_masked(data))
++ mask_ioapic_irq(data);
+ return true;
+ }
+ return false;
+@@ -1749,7 +1750,9 @@ static inline void ioapic_irqd_unmask(struct irq_data *data, bool masked)
+ */
+ if (!io_apic_level_ack_pending(data->chip_data))
+ irq_move_masked_irq(data);
+- unmask_ioapic_irq(data);
++ /* If the IRQ is masked in the core, leave it: */
++ if (!irqd_irq_masked(data))
++ unmask_ioapic_irq(data);
+ }
+ }
+ #else
+diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
+index 50f75768aadd..3ed4753280aa 100644
+--- a/arch/x86/mm/pgtable.c
++++ b/arch/x86/mm/pgtable.c
+@@ -567,8 +567,8 @@ void __native_set_fixmap(enum fixed_addresses idx, pte_t pte)
+ fixmaps_set++;
+ }
+
+-void native_set_fixmap(enum fixed_addresses idx, phys_addr_t phys,
+- pgprot_t flags)
++void native_set_fixmap(unsigned /* enum fixed_addresses */ idx,
++ phys_addr_t phys, pgprot_t flags)
+ {
+ __native_set_fixmap(idx, pfn_pte(phys >> PAGE_SHIFT, flags));
+ }
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
+index a352f09baef6..fc4bf8ff40ea 100644
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -6355,6 +6355,9 @@ void ata_host_detach(struct ata_host *host)
+ {
+ int i;
+
++ /* Ensure ata_port probe has completed */
++ async_synchronize_full();
++
+ for (i = 0; i < host->n_ports; i++)
+ ata_port_detach(host->ports[i]);
+
+diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
+index aee23092f50e..2c5feb6b4a99 100644
+--- a/drivers/cdrom/cdrom.c
++++ b/drivers/cdrom/cdrom.c
+@@ -998,6 +998,12 @@ static void cdrom_count_tracks(struct cdrom_device_info *cdi, tracktype *tracks)
+ tracks->xa = 0;
+ tracks->error = 0;
+ cd_dbg(CD_COUNT_TRACKS, "entering cdrom_count_tracks\n");
++
++ if (!CDROM_CAN(CDC_PLAY_AUDIO)) {
++ tracks->error = CDS_NO_INFO;
++ return;
++ }
++
+ /* Grab the TOC header so we can see how many tracks there are */
+ ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCHDR, &header);
+ if (ret) {
+@@ -1164,7 +1170,8 @@ int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
+ ret = open_for_data(cdi);
+ if (ret)
+ goto err;
+- cdrom_mmc3_profile(cdi);
++ if (CDROM_CAN(CDC_GENERIC_PACKET))
++ cdrom_mmc3_profile(cdi);
+ if (mode & FMODE_WRITE) {
+ ret = -EROFS;
+ if (cdrom_open_write(cdi))
+@@ -2863,6 +2870,9 @@ int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written)
+ it doesn't give enough information or fails. then we return
+ the toc contents. */
+ use_toc:
++ if (!CDROM_CAN(CDC_PLAY_AUDIO))
++ return -ENOSYS;
++
+ toc.cdte_format = CDROM_MSF;
+ toc.cdte_track = CDROM_LEADOUT;
+ if ((ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &toc)))
+diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c
+index a405cdcd8dd2..4813f9406a8f 100644
+--- a/drivers/char/hw_random/omap3-rom-rng.c
++++ b/drivers/char/hw_random/omap3-rom-rng.c
+@@ -119,7 +119,8 @@ static int omap3_rom_rng_probe(struct platform_device *pdev)
+ static int omap3_rom_rng_remove(struct platform_device *pdev)
+ {
+ hwrng_unregister(&omap3_rom_rng_ops);
+- clk_disable_unprepare(rng_clk);
++ if (!rng_idle)
++ clk_disable_unprepare(rng_clk);
+ return 0;
+ }
+
+diff --git a/drivers/clk/pxa/clk-pxa27x.c b/drivers/clk/pxa/clk-pxa27x.c
+index 5b82d30baf9f..bf47737b6672 100644
+--- a/drivers/clk/pxa/clk-pxa27x.c
++++ b/drivers/clk/pxa/clk-pxa27x.c
+@@ -362,6 +362,7 @@ struct dummy_clk {
+ };
+ static struct dummy_clk dummy_clks[] __initdata = {
+ DUMMY_CLK(NULL, "pxa27x-gpio", "osc_32_768khz"),
++ DUMMY_CLK(NULL, "pxa-rtc", "osc_32_768khz"),
+ DUMMY_CLK(NULL, "sa1100-rtc", "osc_32_768khz"),
+ DUMMY_CLK("UARTCLK", "pxa2xx-ir", "STUART"),
+ };
+diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
+index b544bb302f79..350a01f74870 100644
+--- a/drivers/clk/qcom/clk-rcg2.c
++++ b/drivers/clk/qcom/clk-rcg2.c
+@@ -196,6 +196,8 @@ static int _freq_tbl_determine_rate(struct clk_hw *hw,
+ p = clk_hw_get_parent_by_index(hw, index);
+ if (clk_flags & CLK_SET_RATE_PARENT) {
+ if (f->pre_div) {
++ if (!rate)
++ rate = req->rate;
+ rate /= 2;
+ rate *= f->pre_div + 1;
+ }
+diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
+index 8fa477293ae0..d2f26577f5c0 100644
+--- a/drivers/clk/qcom/common.c
++++ b/drivers/clk/qcom/common.c
+@@ -36,6 +36,9 @@ struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, unsigned long rate)
+ if (!f)
+ return NULL;
+
++ if (!f->freq)
++ return f;
++
+ for (; f->freq; f++)
+ if (rate <= f->freq)
+ return f;
+diff --git a/drivers/clocksource/asm9260_timer.c b/drivers/clocksource/asm9260_timer.c
+index 217438d39eb3..38a28240f84f 100644
+--- a/drivers/clocksource/asm9260_timer.c
++++ b/drivers/clocksource/asm9260_timer.c
+@@ -196,6 +196,10 @@ static void __init asm9260_timer_init(struct device_node *np)
+ panic("%s: unable to map resource", np->name);
+
+ clk = of_clk_get(np, 0);
++ if (IS_ERR(clk)) {
++ pr_err("Failed to get clk!\n");
++ return PTR_ERR(clk);
++ }
+
+ ret = clk_prepare_enable(clk);
+ if (ret)
+diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
+index 2239d42bdadd..49aa58e617db 100644
+--- a/drivers/cpufreq/cpufreq.c
++++ b/drivers/cpufreq/cpufreq.c
+@@ -2426,6 +2426,13 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
+ if (cpufreq_disabled())
+ return -ENODEV;
+
++ /*
++ * The cpufreq core depends heavily on the availability of device
++ * structure, make sure they are available before proceeding further.
++ */
++ if (!get_cpu_device(0))
++ return -EPROBE_DEFER;
++
+ if (!driver_data || !driver_data->verify || !driver_data->init ||
+ !(driver_data->setpolicy || driver_data->target_index ||
+ driver_data->target) ||
+diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+index ff8031498809..bff3cbd05c0a 100644
+--- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
++++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+@@ -245,8 +245,8 @@ int sun4i_hash_update(struct ahash_request *areq)
+ */
+ while (op->len < 64 && i < end) {
+ /* how many bytes we can read from current SG */
+- in_r = min3(mi.length - in_i, end - i,
+- 64 - op->len);
++ in_r = min(end - i, 64 - op->len);
++ in_r = min_t(size_t, mi.length - in_i, in_r);
+ memcpy(op->buf + op->len, mi.addr + in_i, in_r);
+ op->len += in_r;
+ i += in_r;
+@@ -266,8 +266,8 @@ int sun4i_hash_update(struct ahash_request *areq)
+ }
+ if (mi.length - in_i > 3 && i < end) {
+ /* how many bytes we can read from current SG */
+- in_r = min3(mi.length - in_i, areq->nbytes - i,
+- ((mi.length - in_i) / 4) * 4);
++ in_r = min_t(size_t, mi.length - in_i, areq->nbytes - i);
++ in_r = min_t(size_t, ((mi.length - in_i) / 4) * 4, in_r);
+ /* how many bytes we can write in the device*/
+ todo = min3((u32)(end - i) / 4, rx_cnt, (u32)in_r / 4);
+ writesl(ss->base + SS_RXFIFO, mi.addr + in_i, todo);
+@@ -289,8 +289,8 @@ int sun4i_hash_update(struct ahash_request *areq)
+ if ((areq->nbytes - i) < 64) {
+ while (i < areq->nbytes && in_i < mi.length && op->len < 64) {
+ /* how many bytes we can read from current SG */
+- in_r = min3(mi.length - in_i, areq->nbytes - i,
+- 64 - op->len);
++ in_r = min(areq->nbytes - i, 64 - op->len);
++ in_r = min_t(size_t, mi.length - in_i, in_r);
+ memcpy(op->buf + op->len, mi.addr + in_i, in_r);
+ op->len += in_r;
+ i += in_r;
+diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile
+index d28ab96a2475..7663494809a0 100644
+--- a/drivers/crypto/vmx/Makefile
++++ b/drivers/crypto/vmx/Makefile
+@@ -2,13 +2,13 @@ obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o
+ vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o ghash.o
+
+ ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y)
+-TARGET := linux-ppc64le
++override flavour := linux-ppc64le
+ else
+-TARGET := linux-ppc64
++override flavour := linux-ppc64
+ endif
+
+ quiet_cmd_perl = PERL $@
+- cmd_perl = $(PERL) $(<) $(TARGET) > $(@)
++ cmd_perl = $(PERL) $(<) $(flavour) > $(@)
+
+ $(src)/aesp8-ppc.S: $(src)/aesp8-ppc.pl
+ $(call cmd,perl)
+diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c
+index e3fa4390f846..4ddbf6604e2a 100644
+--- a/drivers/edac/ghes_edac.c
++++ b/drivers/edac/ghes_edac.c
+@@ -189,6 +189,7 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
+ /* Cleans the error report buffer */
+ memset(e, 0, sizeof (*e));
+ e->error_count = 1;
++ e->grain = 1;
+ strcpy(e->label, "unknown label");
+ e->msg = pvt->msg;
+ e->other_detail = pvt->other_detail;
+@@ -284,7 +285,7 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
+
+ /* Error grain */
+ if (mem_err->validation_bits & CPER_MEM_VALID_PA_MASK)
+- e->grain = ~(mem_err->physical_addr_mask & ~PAGE_MASK);
++ e->grain = ~mem_err->physical_addr_mask + 1;
+
+ /* Memory error location, mapped on e->location */
+ p = e->location;
+@@ -391,8 +392,13 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev,
+ if (p > pvt->other_detail)
+ *(p - 1) = '\0';
+
++ /* Sanity-check driver-supplied grain value. */
++ if (WARN_ON_ONCE(!e->grain))
++ e->grain = 1;
++
++ grain_bits = fls_long(e->grain - 1);
++
+ /* Generate the trace event */
+- grain_bits = fls_long(e->grain);
+ snprintf(pvt->detail_location, sizeof(pvt->detail_location),
+ "APEI location: %s %s", e->location, e->other_detail);
+ trace_mc_event(type, e->msg, e->label, e->error_count,
+diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
+index 7aac3cc7efd7..f63f9961ac12 100644
+--- a/drivers/extcon/extcon-sm5502.c
++++ b/drivers/extcon/extcon-sm5502.c
+@@ -69,6 +69,10 @@ struct sm5502_muic_info {
+ /* Default value of SM5502 register to bring up MUIC device. */
+ static struct reg_data sm5502_reg_data[] = {
+ {
++ .reg = SM5502_REG_RESET,
++ .val = SM5502_REG_RESET_MASK,
++ .invert = true,
++ }, {
+ .reg = SM5502_REG_CONTROL,
+ .val = SM5502_REG_CONTROL_MASK_INT_MASK,
+ .invert = false,
+diff --git a/drivers/extcon/extcon-sm5502.h b/drivers/extcon/extcon-sm5502.h
+index 974b53222f56..12f8b01e5753 100644
+--- a/drivers/extcon/extcon-sm5502.h
++++ b/drivers/extcon/extcon-sm5502.h
+@@ -241,6 +241,8 @@ enum sm5502_reg {
+ #define DM_DP_SWITCH_UART ((DM_DP_CON_SWITCH_UART <<SM5502_REG_MANUAL_SW1_DP_SHIFT) \
+ | (DM_DP_CON_SWITCH_UART <<SM5502_REG_MANUAL_SW1_DM_SHIFT))
+
++#define SM5502_REG_RESET_MASK (0x1)
++
+ /* SM5502 Interrupts */
+ enum sm5502_irq {
+ /* INT1 */
+diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
+index 9e02cb6afb0b..ce6e15167d0b 100644
+--- a/drivers/gpio/gpio-mpc8xxx.c
++++ b/drivers/gpio/gpio-mpc8xxx.c
+@@ -409,7 +409,8 @@ static int mpc8xxx_probe(struct platform_device *pdev)
+ * It's assumed that only a single type of gpio controller is available
+ * on the current machine, so overwriting global data is fine.
+ */
+- mpc8xxx_irq_chip.irq_set_type = devtype->irq_set_type;
++ if (devtype->irq_set_type)
++ mpc8xxx_irq_chip.irq_set_type = devtype->irq_set_type;
+
+ gc->direction_output = devtype->gpio_dir_out ?: mpc8xxx_gpio_dir_out;
+ gc->get = devtype->gpio_get ?: mpc8xxx_gpio_get;
+diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c
+index 1048f0c7c6ce..31e0899035f9 100644
+--- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
++++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
+@@ -139,6 +139,7 @@ static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit,
+ s32 freq_error, min_error = 100000;
+
+ memset(best_clock, 0, sizeof(*best_clock));
++ memset(&clock, 0, sizeof(clock));
+
+ for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
+ for (clock.n = limit->n.min; clock.n <= limit->n.max;
+@@ -195,6 +196,7 @@ static bool mrst_lvds_find_best_pll(const struct gma_limit_t *limit,
+ int err = target;
+
+ memset(best_clock, 0, sizeof(*best_clock));
++ memset(&clock, 0, sizeof(clock));
+
+ for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
+ for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index c60bb6f8eceb..7cd945575463 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -761,6 +761,10 @@ static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
+ if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
+ parser->global.report_size == 8)
+ parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
++
++ if (usage == 0xff0000c6 && parser->global.report_count == 1 &&
++ parser->global.report_size == 8)
++ parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
+ }
+
+ static void hid_scan_collection(struct hid_parser *parser, unsigned type)
+diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c
+index 41d495c6035e..7d5e4114e7a8 100644
+--- a/drivers/iio/adc/max1027.c
++++ b/drivers/iio/adc/max1027.c
+@@ -470,6 +470,14 @@ static int max1027_probe(struct spi_device *spi)
+ goto fail_dev_register;
+ }
+
++ /* Internal reset */
++ st->reg = MAX1027_RST_REG;
++ ret = spi_write(st->spi, &st->reg, 1);
++ if (ret < 0) {
++ dev_err(&indio_dev->dev, "Failed to reset the ADC\n");
++ return ret;
++ }
++
+ /* Disable averaging */
+ st->reg = MAX1027_AVG_REG;
+ ret = spi_write(st->spi, &st->reg, 1);
+diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c
+index 8b4164343f20..0cf7032ccdc9 100644
+--- a/drivers/iio/light/bh1750.c
++++ b/drivers/iio/light/bh1750.c
+@@ -62,9 +62,9 @@ struct bh1750_chip_info {
+
+ u16 int_time_low_mask;
+ u16 int_time_high_mask;
+-}
++};
+
+-static const bh1750_chip_info_tbl[] = {
++static const struct bh1750_chip_info bh1750_chip_info_tbl[] = {
+ [BH1710] = { 140, 1022, 300, 400, 250000000, 2, 0x001F, 0x03E0 },
+ [BH1721] = { 140, 1020, 300, 400, 250000000, 2, 0x0010, 0x03E0 },
+ [BH1750] = { 31, 254, 69, 1740, 57500000, 1, 0x001F, 0x00E0 },
+diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
+index 9080161e01af..edb064f9f0f1 100644
+--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
++++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
+@@ -646,6 +646,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
+ if (ib_conn->pi_support) {
+ u32 sig_caps = ib_conn->device->dev_attr.sig_prot_cap;
+
++ shost->sg_prot_tablesize = shost->sg_tablesize;
+ scsi_host_set_prot(shost, iser_dif_prot_caps(sig_caps));
+ scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP |
+ SHOST_DIX_GUARD_CRC);
+diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
+index be2f2521c1c5..d955841da57d 100644
+--- a/drivers/input/touchscreen/atmel_mxt_ts.c
++++ b/drivers/input/touchscreen/atmel_mxt_ts.c
+@@ -2701,6 +2701,8 @@ static int __maybe_unused mxt_suspend(struct device *dev)
+
+ mutex_unlock(&input_dev->mutex);
+
++ disable_irq(data->irq);
++
+ return 0;
+ }
+
+@@ -2713,6 +2715,8 @@ static int __maybe_unused mxt_resume(struct device *dev)
+ if (!input_dev)
+ return 0;
+
++ enable_irq(data->irq);
++
+ mutex_lock(&input_dev->mutex);
+
+ if (input_dev->users)
+diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
+index c4eb293b1524..04cec050e42b 100644
+--- a/drivers/iommu/tegra-smmu.c
++++ b/drivers/iommu/tegra-smmu.c
+@@ -153,9 +153,9 @@ static bool smmu_dma_addr_valid(struct tegra_smmu *smmu, dma_addr_t addr)
+ return (addr & smmu->pfn_mask) == addr;
+ }
+
+-static dma_addr_t smmu_pde_to_dma(u32 pde)
++static dma_addr_t smmu_pde_to_dma(struct tegra_smmu *smmu, u32 pde)
+ {
+- return pde << 12;
++ return (dma_addr_t)(pde & smmu->pfn_mask) << 12;
+ }
+
+ static void smmu_flush_ptc_all(struct tegra_smmu *smmu)
+@@ -540,6 +540,7 @@ static u32 *tegra_smmu_pte_lookup(struct tegra_smmu_as *as, unsigned long iova,
+ dma_addr_t *dmap)
+ {
+ unsigned int pd_index = iova_pd_index(iova);
++ struct tegra_smmu *smmu = as->smmu;
+ struct page *pt_page;
+ u32 *pd;
+
+@@ -548,7 +549,7 @@ static u32 *tegra_smmu_pte_lookup(struct tegra_smmu_as *as, unsigned long iova,
+ return NULL;
+
+ pd = page_address(as->pd);
+- *dmap = smmu_pde_to_dma(pd[pd_index]);
++ *dmap = smmu_pde_to_dma(smmu, pd[pd_index]);
+
+ return tegra_smmu_pte_offset(pt_page, iova);
+ }
+@@ -590,7 +591,7 @@ static u32 *as_get_pte(struct tegra_smmu_as *as, dma_addr_t iova,
+ } else {
+ u32 *pd = page_address(as->pd);
+
+- *dmap = smmu_pde_to_dma(pd[pde]);
++ *dmap = smmu_pde_to_dma(smmu, pd[pde]);
+ }
+
+ return tegra_smmu_pte_offset(as->pts[pde], iova);
+@@ -615,7 +616,7 @@ static void tegra_smmu_pte_put_use(struct tegra_smmu_as *as, unsigned long iova)
+ if (--as->count[pde] == 0) {
+ struct tegra_smmu *smmu = as->smmu;
+ u32 *pd = page_address(as->pd);
+- dma_addr_t pte_dma = smmu_pde_to_dma(pd[pde]);
++ dma_addr_t pte_dma = smmu_pde_to_dma(smmu, pd[pde]);
+
+ tegra_smmu_set_pde(as, iova, 0);
+
+diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
+index 6fb34bf0f352..34e13623f29d 100644
+--- a/drivers/irqchip/irq-bcm7038-l1.c
++++ b/drivers/irqchip/irq-bcm7038-l1.c
+@@ -283,6 +283,10 @@ static int __init bcm7038_l1_init_one(struct device_node *dn,
+ pr_err("failed to map parent interrupt %d\n", parent_irq);
+ return -EINVAL;
+ }
++
++ if (of_property_read_bool(dn, "brcm,irq-can-wake"))
++ enable_irq_wake(parent_irq);
++
+ irq_set_chained_handler_and_data(parent_irq, bcm7038_l1_irq_handle,
+ intc);
+
+diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c
+index fc5953dea509..b2e16dca76a6 100644
+--- a/drivers/irqchip/irq-ingenic.c
++++ b/drivers/irqchip/irq-ingenic.c
+@@ -117,6 +117,14 @@ static int __init ingenic_intc_of_init(struct device_node *node,
+ goto out_unmap_irq;
+ }
+
++ domain = irq_domain_add_legacy(node, num_chips * 32,
++ JZ4740_IRQ_BASE, 0,
++ &irq_domain_simple_ops, NULL);
++ if (!domain) {
++ err = -ENOMEM;
++ goto out_unmap_base;
++ }
++
+ for (i = 0; i < num_chips; i++) {
+ /* Mask all irqs */
+ writel(0xffffffff, intc->base + (i * CHIP_SIZE) +
+@@ -143,14 +151,11 @@ static int __init ingenic_intc_of_init(struct device_node *node,
+ IRQ_NOPROBE | IRQ_LEVEL);
+ }
+
+- domain = irq_domain_add_legacy(node, num_chips * 32, JZ4740_IRQ_BASE, 0,
+- &irq_domain_simple_ops, NULL);
+- if (!domain)
+- pr_warn("unable to register IRQ domain\n");
+-
+ setup_irq(parent_irq, &intc_cascade_action);
+ return 0;
+
++out_unmap_base:
++ iounmap(intc->base);
+ out_unmap_irq:
+ irq_dispose_mapping(parent_irq);
+ out_free:
+diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
+index 05aa3ac1381b..5c93582c71cc 100644
+--- a/drivers/md/bcache/btree.c
++++ b/drivers/md/bcache/btree.c
+@@ -686,6 +686,8 @@ static unsigned long bch_mca_scan(struct shrinker *shrink,
+ * IO can always make forward progress:
+ */
+ nr /= c->btree_pages;
++ if (nr == 0)
++ nr = 1;
+ nr = min_t(unsigned long, nr, mca_can_free(c));
+
+ i = 0;
+diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
+index fadec1d70582..6eefb8bbb5b5 100644
+--- a/drivers/media/i2c/ov2659.c
++++ b/drivers/media/i2c/ov2659.c
+@@ -419,10 +419,14 @@ static struct sensor_register ov2659_720p[] = {
+ { REG_TIMING_YINC, 0x11 },
+ { REG_TIMING_VERT_FORMAT, 0x80 },
+ { REG_TIMING_HORIZ_FORMAT, 0x00 },
++ { 0x370a, 0x12 },
+ { 0x3a03, 0xe8 },
+ { 0x3a09, 0x6f },
+ { 0x3a0b, 0x5d },
+ { 0x3a15, 0x9a },
++ { REG_VFIFO_READ_START_H, 0x00 },
++ { REG_VFIFO_READ_START_L, 0x80 },
++ { REG_ISP_CTRL02, 0x00 },
+ { REG_NULL, 0x00 },
+ };
+
+@@ -1204,11 +1208,15 @@ static int ov2659_s_stream(struct v4l2_subdev *sd, int on)
+ goto unlock;
+ }
+
+- ov2659_set_pixel_clock(ov2659);
+- ov2659_set_frame_size(ov2659);
+- ov2659_set_format(ov2659);
+- ov2659_set_streaming(ov2659, 1);
+- ov2659->streaming = on;
++ ret = ov2659_set_pixel_clock(ov2659);
++ if (!ret)
++ ret = ov2659_set_frame_size(ov2659);
++ if (!ret)
++ ret = ov2659_set_format(ov2659);
++ if (!ret) {
++ ov2659_set_streaming(ov2659, 1);
++ ov2659->streaming = on;
++ }
+
+ unlock:
+ mutex_unlock(&ov2659->lock);
+diff --git a/drivers/media/i2c/soc_camera/ov6650.c b/drivers/media/i2c/soc_camera/ov6650.c
+index 4e19f5e5d8cf..bb55ddfbf733 100644
+--- a/drivers/media/i2c/soc_camera/ov6650.c
++++ b/drivers/media/i2c/soc_camera/ov6650.c
+@@ -611,7 +611,6 @@ static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
+ dev_err(&client->dev, "Pixel format not handled: 0x%x\n", code);
+ return -EINVAL;
+ }
+- priv->code = code;
+
+ if (code == MEDIA_BUS_FMT_Y8_1X8 ||
+ code == MEDIA_BUS_FMT_SBGGR8_1X8) {
+@@ -637,7 +636,6 @@ static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
+ dev_dbg(&client->dev, "max resolution: CIF\n");
+ coma_mask |= COMA_QCIF;
+ }
+- priv->half_scale = half_scale;
+
+ if (sense) {
+ if (sense->master_clock == 8000000) {
+@@ -677,8 +675,13 @@ static int ov6650_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
+ ret = ov6650_reg_rmw(client, REG_COMA, coma_set, coma_mask);
+ if (!ret)
+ ret = ov6650_reg_write(client, REG_CLKRC, clkrc);
+- if (!ret)
++ if (!ret) {
++ priv->half_scale = half_scale;
++
+ ret = ov6650_reg_rmw(client, REG_COML, coml_set, coml_mask);
++ }
++ if (!ret)
++ priv->code = code;
+
+ if (!ret) {
+ mf->colorspace = priv->colorspace;
+diff --git a/drivers/media/platform/am437x/am437x-vpfe.c b/drivers/media/platform/am437x/am437x-vpfe.c
+index 572bc043b62d..36add3c463f7 100644
+--- a/drivers/media/platform/am437x/am437x-vpfe.c
++++ b/drivers/media/platform/am437x/am437x-vpfe.c
+@@ -1847,6 +1847,10 @@ static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id std_id)
+ if (!(sdinfo->inputs[0].capabilities & V4L2_IN_CAP_STD))
+ return -ENODATA;
+
++ /* if trying to set the same std then nothing to do */
++ if (vpfe_standards[vpfe->std_index].std_id == std_id)
++ return 0;
++
+ /* If streaming is started, return error */
+ if (vb2_is_busy(&vpfe->buffer_queue)) {
+ vpfe_err(vpfe, "%s device busy\n", __func__);
+diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c
+index de24effd984f..b5f8c425cd2e 100644
+--- a/drivers/media/platform/ti-vpe/vpe.c
++++ b/drivers/media/platform/ti-vpe/vpe.c
+@@ -330,20 +330,25 @@ enum {
+ };
+
+ /* find our format description corresponding to the passed v4l2_format */
+-static struct vpe_fmt *find_format(struct v4l2_format *f)
++static struct vpe_fmt *__find_format(u32 fourcc)
+ {
+ struct vpe_fmt *fmt;
+ unsigned int k;
+
+ for (k = 0; k < ARRAY_SIZE(vpe_formats); k++) {
+ fmt = &vpe_formats[k];
+- if (fmt->fourcc == f->fmt.pix.pixelformat)
++ if (fmt->fourcc == fourcc)
+ return fmt;
+ }
+
+ return NULL;
+ }
+
++static struct vpe_fmt *find_format(struct v4l2_format *f)
++{
++ return __find_format(f->fmt.pix.pixelformat);
++}
++
+ /*
+ * there is one vpe_dev structure in the driver, it is shared by
+ * all instances.
+@@ -1294,6 +1299,7 @@ static irqreturn_t vpe_irq(int irq_vpe, void *data)
+ d_vb->timecode = s_vb->timecode;
+
+ d_vb->sequence = ctx->sequence;
++ s_vb->sequence = ctx->sequence;
+
+ d_q_data = &ctx->q_data[Q_DATA_DST];
+ if (d_q_data->flags & Q_DATA_INTERLACED) {
+@@ -1434,9 +1440,9 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f,
+ int i, depth, depth_bytes;
+
+ if (!fmt || !(fmt->types & type)) {
+- vpe_err(ctx->dev, "Fourcc format (0x%08x) invalid.\n",
++ vpe_dbg(ctx->dev, "Fourcc format (0x%08x) invalid.\n",
+ pix->pixelformat);
+- return -EINVAL;
++ fmt = __find_format(V4L2_PIX_FMT_YUYV);
+ }
+
+ if (pix->field != V4L2_FIELD_NONE && pix->field != V4L2_FIELD_ALTERNATE)
+@@ -1994,7 +2000,7 @@ static int vpe_open(struct file *file)
+ v4l2_ctrl_handler_setup(hdl);
+
+ s_q_data = &ctx->q_data[Q_DATA_SRC];
+- s_q_data->fmt = &vpe_formats[2];
++ s_q_data->fmt = __find_format(V4L2_PIX_FMT_YUYV);
+ s_q_data->width = 1920;
+ s_q_data->height = 1080;
+ s_q_data->bytesperline[VPE_LUMA] = (s_q_data->width *
+diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
+index 9326439bc49c..f9e1768b8d31 100644
+--- a/drivers/media/radio/si470x/radio-si470x-i2c.c
++++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
+@@ -460,6 +460,8 @@ static int si470x_i2c_remove(struct i2c_client *client)
+ video_unregister_device(&radio->videodev);
+ kfree(radio);
+
++ v4l2_ctrl_handler_free(&radio->hdl);
++ v4l2_device_unregister(&radio->v4l2_dev);
+ return 0;
+ }
+
+diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
+index 83d3a5cf272f..932fa31e0624 100644
+--- a/drivers/media/usb/b2c2/flexcop-usb.c
++++ b/drivers/media/usb/b2c2/flexcop-usb.c
+@@ -474,7 +474,13 @@ urb_error:
+ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
+ {
+ /* use the alternate setting with the larges buffer */
+- usb_set_interface(fc_usb->udev,0,1);
++ int ret = usb_set_interface(fc_usb->udev, 0, 1);
++
++ if (ret) {
++ err("set interface failed.");
++ return ret;
++ }
++
+ switch (fc_usb->udev->speed) {
+ case USB_SPEED_LOW:
+ err("cannot handle USB speed because it is too slow.");
+diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+index 1c5f85bf7ed4..2d6195e9a195 100644
+--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
++++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+@@ -886,8 +886,12 @@ static void pvr2_v4l2_internal_check(struct pvr2_channel *chp)
+ pvr2_v4l2_dev_disassociate_parent(vp->dev_video);
+ pvr2_v4l2_dev_disassociate_parent(vp->dev_radio);
+ if (!list_empty(&vp->dev_video->devbase.fh_list) ||
+- !list_empty(&vp->dev_radio->devbase.fh_list))
++ (vp->dev_radio &&
++ !list_empty(&vp->dev_radio->devbase.fh_list))) {
++ pvr2_trace(PVR2_TRACE_STRUCT,
++ "pvr2_v4l2 internal_check exit-empty id=%p", vp);
+ return;
++ }
+ pvr2_v4l2_destroy_no_lock(vp);
+ }
+
+@@ -961,7 +965,8 @@ static int pvr2_v4l2_release(struct file *file)
+ kfree(fhp);
+ if (vp->channel.mc_head->disconnect_flag &&
+ list_empty(&vp->dev_video->devbase.fh_list) &&
+- list_empty(&vp->dev_radio->devbase.fh_list)) {
++ (!vp->dev_radio ||
++ list_empty(&vp->dev_radio->devbase.fh_list))) {
+ pvr2_v4l2_destroy_no_lock(vp);
+ }
+ return 0;
+diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
+index 356b294c93c9..e78e7a874856 100644
+--- a/drivers/mmc/host/sdhci-of-esdhc.c
++++ b/drivers/mmc/host/sdhci-of-esdhc.c
+@@ -625,8 +625,8 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
+ host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
+
+ if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) {
+- host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
+- host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
++ host->quirks |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
++ host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+ }
+
+ if (of_device_is_compatible(np, "fsl,p5040-esdhc") ||
+diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
+index 1d6dfde1104d..2bae0214528b 100644
+--- a/drivers/mmc/host/sdhci.c
++++ b/drivers/mmc/host/sdhci.c
+@@ -1452,9 +1452,7 @@ void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
+ else if (timing == MMC_TIMING_UHS_SDR12)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
+- else if (timing == MMC_TIMING_SD_HS ||
+- timing == MMC_TIMING_MMC_HS ||
+- timing == MMC_TIMING_UHS_SDR25)
++ else if (timing == MMC_TIMING_UHS_SDR25)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
+ else if (timing == MMC_TIMING_UHS_SDR50)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
+@@ -2035,7 +2033,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
+ spin_lock_irqsave(&host->lock, flags);
+
+ if (!host->tuning_done) {
+- pr_info(DRIVER_NAME ": Timeout waiting for "
++ pr_debug(DRIVER_NAME ": Timeout waiting for "
+ "Buffer Read Ready interrupt during tuning "
+ "procedure, falling back to fixed sampling "
+ "clock\n");
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+index 5780830f78ad..55a7774e8ef5 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+@@ -2384,15 +2384,21 @@ static int bnx2x_set_pf_tx_switching(struct bnx2x *bp, bool enable)
+ /* send the ramrod on all the queues of the PF */
+ for_each_eth_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
++ int tx_idx;
+
+ /* Set the appropriate Queue object */
+ q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
+
+- /* Update the Queue state */
+- rc = bnx2x_queue_state_change(bp, &q_params);
+- if (rc) {
+- BNX2X_ERR("Failed to configure Tx switching\n");
+- return rc;
++ for (tx_idx = FIRST_TX_COS_INDEX;
++ tx_idx < fp->max_cos; tx_idx++) {
++ q_params.params.update.cid_index = tx_idx;
++
++ /* Update the Queue state */
++ rc = bnx2x_queue_state_change(bp, &q_params);
++ if (rc) {
++ BNX2X_ERR("Failed to configure Tx switching\n");
++ return rc;
++ }
+ }
+ }
+
+diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c
+index 2a7dfac20546..09c51220b5ca 100644
+--- a/drivers/net/ethernet/hisilicon/hip04_eth.c
++++ b/drivers/net/ethernet/hisilicon/hip04_eth.c
+@@ -455,9 +455,9 @@ static int hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+ skb_tx_timestamp(skb);
+
+ hip04_set_xmit_desc(priv, phys);
+- priv->tx_head = TX_NEXT(tx_head);
+ count++;
+ netdev_sent_queue(ndev, skb->len);
++ priv->tx_head = TX_NEXT(tx_head);
+
+ stats->tx_bytes += skb->len;
+ stats->tx_packets++;
+diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
+index c653b97d84d5..f2cb77c3b199 100644
+--- a/drivers/net/ethernet/qlogic/qla3xxx.c
++++ b/drivers/net/ethernet/qlogic/qla3xxx.c
+@@ -2752,6 +2752,9 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
+ int err;
+
+ for (i = 0; i < qdev->num_large_buffers; i++) {
++ lrg_buf_cb = &qdev->lrg_buf[i];
++ memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
++
+ skb = netdev_alloc_skb(qdev->ndev,
+ qdev->lrg_buffer_len);
+ if (unlikely(!skb)) {
+@@ -2762,11 +2765,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
+ ql_free_large_buffers(qdev);
+ return -ENOMEM;
+ } else {
+-
+- lrg_buf_cb = &qdev->lrg_buf[i];
+- memset(lrg_buf_cb, 0, sizeof(struct ql_rcv_buf_cb));
+ lrg_buf_cb->index = i;
+- lrg_buf_cb->skb = skb;
+ /*
+ * We save some space to copy the ethhdr from first
+ * buffer
+@@ -2788,6 +2787,7 @@ static int ql_alloc_large_buffers(struct ql3_adapter *qdev)
+ return -ENOMEM;
+ }
+
++ lrg_buf_cb->skb = skb;
+ dma_unmap_addr_set(lrg_buf_cb, mapaddr, map);
+ dma_unmap_len_set(lrg_buf_cb, maplen,
+ qdev->lrg_buffer_len -
+diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
+index 657b65bf5cac..18bf3a8fdc50 100644
+--- a/drivers/net/ethernet/ti/davinci_cpdma.c
++++ b/drivers/net/ethernet/ti/davinci_cpdma.c
+@@ -82,7 +82,7 @@ struct cpdma_desc {
+
+ struct cpdma_desc_pool {
+ phys_addr_t phys;
+- u32 hw_addr;
++ dma_addr_t hw_addr;
+ void __iomem *iomap; /* ioremap map */
+ void *cpumap; /* dma_alloc map */
+ int desc_size, mem_size;
+@@ -152,7 +152,7 @@ struct cpdma_chan {
+ * abstract out these details
+ */
+ static struct cpdma_desc_pool *
+-cpdma_desc_pool_create(struct device *dev, u32 phys, u32 hw_addr,
++cpdma_desc_pool_create(struct device *dev, u32 phys, dma_addr_t hw_addr,
+ int size, int align)
+ {
+ int bitmap_size;
+@@ -176,13 +176,13 @@ cpdma_desc_pool_create(struct device *dev, u32 phys, u32 hw_addr,
+
+ if (phys) {
+ pool->phys = phys;
+- pool->iomap = ioremap(phys, size);
++ pool->iomap = ioremap(phys, size); /* should be memremap? */
+ pool->hw_addr = hw_addr;
+ } else {
+- pool->cpumap = dma_alloc_coherent(dev, size, &pool->phys,
++ pool->cpumap = dma_alloc_coherent(dev, size, &pool->hw_addr,
+ GFP_KERNEL);
+- pool->iomap = pool->cpumap;
+- pool->hw_addr = pool->phys;
++ pool->iomap = (void __iomem __force *)pool->cpumap;
++ pool->phys = pool->hw_addr; /* assumes no IOMMU, don't use this value */
+ }
+
+ if (pool->iomap)
+diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
+index a539e831b4b1..d8fcdc2414d8 100644
+--- a/drivers/net/fjes/fjes_main.c
++++ b/drivers/net/fjes/fjes_main.c
+@@ -149,6 +149,9 @@ static int fjes_acpi_add(struct acpi_device *device)
+ /* create platform_device */
+ plat_dev = platform_device_register_simple(DRV_NAME, 0, fjes_resource,
+ ARRAY_SIZE(fjes_resource));
++ if (IS_ERR(plat_dev))
++ return PTR_ERR(plat_dev);
++
+ device->driver_data = plat_dev;
+
+ return 0;
+diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
+index 5a1e98547031..732c68ed166a 100644
+--- a/drivers/net/hamradio/6pack.c
++++ b/drivers/net/hamradio/6pack.c
+@@ -669,10 +669,10 @@ static void sixpack_close(struct tty_struct *tty)
+ {
+ struct sixpack *sp;
+
+- write_lock_bh(&disc_data_lock);
++ write_lock_irq(&disc_data_lock);
+ sp = tty->disc_data;
+ tty->disc_data = NULL;
+- write_unlock_bh(&disc_data_lock);
++ write_unlock_irq(&disc_data_lock);
+ if (!sp)
+ return;
+
+diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
+index 0758d0816840..470d416f2b86 100644
+--- a/drivers/net/hamradio/mkiss.c
++++ b/drivers/net/hamradio/mkiss.c
+@@ -783,10 +783,10 @@ static void mkiss_close(struct tty_struct *tty)
+ {
+ struct mkiss *ax;
+
+- write_lock_bh(&disc_data_lock);
++ write_lock_irq(&disc_data_lock);
+ ax = tty->disc_data;
+ tty->disc_data = NULL;
+- write_unlock_bh(&disc_data_lock);
++ write_unlock_irq(&disc_data_lock);
+
+ if (!ax)
+ return;
+diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
+index c6a87834723d..b15eceb8b442 100644
+--- a/drivers/net/phy/phy_device.c
++++ b/drivers/net/phy/phy_device.c
+@@ -161,8 +161,8 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
+
+ dev->dev.release = phy_device_release;
+
+- dev->speed = 0;
+- dev->duplex = -1;
++ dev->speed = SPEED_UNKNOWN;
++ dev->duplex = DUPLEX_UNKNOWN;
+ dev->pause = 0;
+ dev->asym_pause = 0;
+ dev->link = 1;
+diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
+index fc922f812280..c813c5345a52 100644
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -1448,6 +1448,7 @@ static int lan78xx_mdio_init(struct lan78xx_net *dev)
+ dev->mdiobus->read = lan78xx_mdiobus_read;
+ dev->mdiobus->write = lan78xx_mdiobus_write;
+ dev->mdiobus->name = "lan78xx-mdiobus";
++ dev->mdiobus->parent = &dev->udev->dev;
+
+ snprintf(dev->mdiobus->id, MII_BUS_ID_SIZE, "usb-%03d:%03d",
+ dev->udev->bus->busnum, dev->udev->devnum);
+diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
+index 6d1105ab4592..f9d0f8372e3f 100644
+--- a/drivers/net/wireless/ath/ath10k/txrx.c
++++ b/drivers/net/wireless/ath/ath10k/txrx.c
+@@ -96,6 +96,8 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
+
+ info = IEEE80211_SKB_CB(msdu);
+ memset(&info->status, 0, sizeof(info->status));
++ info->status.rates[0].idx = -1;
++
+ trace_ath10k_txrx_tx_unref(ar, tx_done->msdu_id);
+
+ if (tx_done->discard) {
+diff --git a/drivers/net/wireless/iwlwifi/dvm/led.c b/drivers/net/wireless/iwlwifi/dvm/led.c
+index ca4d6692cc4e..47e5fa70483d 100644
+--- a/drivers/net/wireless/iwlwifi/dvm/led.c
++++ b/drivers/net/wireless/iwlwifi/dvm/led.c
+@@ -184,6 +184,9 @@ void iwl_leds_init(struct iwl_priv *priv)
+
+ priv->led.name = kasprintf(GFP_KERNEL, "%s-led",
+ wiphy_name(priv->hw->wiphy));
++ if (!priv->led.name)
++ return;
++
+ priv->led.brightness_set = iwl_led_brightness_set;
+ priv->led.blink_set = iwl_led_blink_set;
+ priv->led.max_brightness = 1;
+diff --git a/drivers/net/wireless/iwlwifi/mvm/led.c b/drivers/net/wireless/iwlwifi/mvm/led.c
+index e3b3cf4dbd77..948be43e4d26 100644
+--- a/drivers/net/wireless/iwlwifi/mvm/led.c
++++ b/drivers/net/wireless/iwlwifi/mvm/led.c
+@@ -109,6 +109,9 @@ int iwl_mvm_leds_init(struct iwl_mvm *mvm)
+
+ mvm->led.name = kasprintf(GFP_KERNEL, "%s-led",
+ wiphy_name(mvm->hw->wiphy));
++ if (!mvm->led.name)
++ return -ENOMEM;
++
+ mvm->led.brightness_set = iwl_led_brightness_set;
+ mvm->led.max_brightness = 1;
+
+diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
+index 268e50ba88a5..4c0a65692899 100644
+--- a/drivers/net/wireless/mwifiex/pcie.c
++++ b/drivers/net/wireless/mwifiex/pcie.c
+@@ -577,8 +577,11 @@ static int mwifiex_pcie_init_evt_ring(struct mwifiex_adapter *adapter)
+ skb_put(skb, MAX_EVENT_SIZE);
+
+ if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE,
+- PCI_DMA_FROMDEVICE))
++ PCI_DMA_FROMDEVICE)) {
++ kfree_skb(skb);
++ kfree(card->evtbd_ring_vbase);
+ return -1;
++ }
+
+ buf_pa = MWIFIEX_SKB_DMA_ADDR(skb);
+
+diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
+index 34ce06441d1b..137d7c8645da 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
++++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c
+@@ -1601,6 +1601,8 @@ static bool usb_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb)
+ * This is maybe necessary:
+ * rtlpriv->cfg->ops->fill_tx_cmddesc(hw, buffer, 1, 1, skb);
+ */
++ dev_kfree_skb(skb);
++
+ return true;
+ }
+
+diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c
+index ad8390d2997b..9408c1f8e397 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
++++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
+@@ -1094,8 +1094,10 @@ int rtl_usb_probe(struct usb_interface *intf,
+ rtlpriv->hw = hw;
+ rtlpriv->usb_data = kzalloc(RTL_USB_MAX_RX_COUNT * sizeof(u32),
+ GFP_KERNEL);
+- if (!rtlpriv->usb_data)
++ if (!rtlpriv->usb_data) {
++ ieee80211_free_hw(hw);
+ return -ENOMEM;
++ }
+
+ /* this spin lock must be initialized early */
+ spin_lock_init(&rtlpriv->locks.usb_lock);
+@@ -1158,6 +1160,7 @@ error_out:
+ _rtl_usb_io_handler_release(hw);
+ usb_put_dev(udev);
+ complete(&rtlpriv->firmware_loading_complete);
++ kfree(rtlpriv->usb_data);
+ return -ENODEV;
+ }
+ EXPORT_SYMBOL(rtl_usb_probe);
+diff --git a/drivers/parport/share.c b/drivers/parport/share.c
+index f26af0214ab3..3be1f4a041d4 100644
+--- a/drivers/parport/share.c
++++ b/drivers/parport/share.c
+@@ -228,6 +228,18 @@ static int port_check(struct device *dev, void *dev_drv)
+ return 0;
+ }
+
++/*
++ * Iterates through all the devices connected to the bus and return 1
++ * if the device is a parallel port.
++ */
++
++static int port_detect(struct device *dev, void *dev_drv)
++{
++ if (is_parport(dev))
++ return 1;
++ return 0;
++}
++
+ /**
+ * parport_register_driver - register a parallel port device driver
+ * @drv: structure describing the driver
+@@ -280,6 +292,15 @@ int __parport_register_driver(struct parport_driver *drv, struct module *owner,
+ if (ret)
+ return ret;
+
++ /*
++ * check if bus has any parallel port registered, if
++ * none is found then load the lowlevel driver.
++ */
++ ret = bus_for_each_dev(&parport_bus_type, NULL, NULL,
++ port_detect);
++ if (!ret)
++ get_lowlevel_driver();
++
+ mutex_lock(®istration_lock);
+ if (drv->match_port)
+ bus_for_each_dev(&parport_bus_type, NULL, drv,
+diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7734.c b/drivers/pinctrl/sh-pfc/pfc-sh7734.c
+index c691b2e34374..ab09d385f95d 100644
+--- a/drivers/pinctrl/sh-pfc/pfc-sh7734.c
++++ b/drivers/pinctrl/sh-pfc/pfc-sh7734.c
+@@ -1458,7 +1458,7 @@ static const struct pinmux_func pinmux_func_gpios[] = {
+ GPIO_FN(ET0_ETXD2_A),
+ GPIO_FN(EX_CS5), GPIO_FN(SD1_CMD_A), GPIO_FN(ATADIR), GPIO_FN(QSSL_B),
+ GPIO_FN(ET0_ETXD3_A),
+- GPIO_FN(RD_WR), GPIO_FN(TCLK1_B),
++ GPIO_FN(RD_WR), GPIO_FN(TCLK0), GPIO_FN(CAN_CLK_B), GPIO_FN(ET0_ETXD4),
+ GPIO_FN(EX_WAIT0), GPIO_FN(TCLK1_B),
+ GPIO_FN(EX_WAIT1), GPIO_FN(SD1_DAT0_A), GPIO_FN(DREQ2),
+ GPIO_FN(CAN1_TX_C), GPIO_FN(ET0_LINK_C), GPIO_FN(ET0_ETXD5_A),
+@@ -1954,7 +1954,7 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
+ /* IP3_20 [1] */
+ FN_EX_WAIT0, FN_TCLK1_B,
+ /* IP3_19_18 [2] */
+- FN_RD_WR, FN_TCLK1_B, 0, 0,
++ FN_RD_WR, FN_TCLK0, FN_CAN_CLK_B, FN_ET0_ETXD4,
+ /* IP3_17_15 [3] */
+ FN_EX_CS5, FN_SD1_CMD_A, FN_ATADIR, FN_QSSL_B,
+ FN_ET0_ETXD3_A, 0, 0, 0,
+diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
+index 530d8d9bbdbb..2c7d7d40cc70 100644
+--- a/drivers/platform/x86/hp-wmi.c
++++ b/drivers/platform/x86/hp-wmi.c
+@@ -309,7 +309,7 @@ static int __init hp_wmi_bios_2008_later(void)
+
+ static int __init hp_wmi_bios_2009_later(void)
+ {
+- int state = 0;
++ u8 state[128];
+ int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, 0, &state,
+ sizeof(state), sizeof(state));
+ if (!ret)
+diff --git a/drivers/regulator/max8907-regulator.c b/drivers/regulator/max8907-regulator.c
+index 5e941db5ccaf..c7e70cfb581f 100644
+--- a/drivers/regulator/max8907-regulator.c
++++ b/drivers/regulator/max8907-regulator.c
+@@ -299,7 +299,10 @@ static int max8907_regulator_probe(struct platform_device *pdev)
+ memcpy(pmic->desc, max8907_regulators, sizeof(pmic->desc));
+
+ /* Backwards compatibility with MAX8907B; SD1 uses different voltages */
+- regmap_read(max8907->regmap_gen, MAX8907_REG_II2RR, &val);
++ ret = regmap_read(max8907->regmap_gen, MAX8907_REG_II2RR, &val);
++ if (ret)
++ return ret;
++
+ if ((val & MAX8907_II2RR_VERSION_MASK) ==
+ MAX8907_II2RR_VERSION_REV_B) {
+ pmic->desc[MAX8907_SD1].min_uV = 637500;
+@@ -336,14 +339,20 @@ static int max8907_regulator_probe(struct platform_device *pdev)
+ }
+
+ if (pmic->desc[i].ops == &max8907_ldo_ops) {
+- regmap_read(config.regmap, pmic->desc[i].enable_reg,
++ ret = regmap_read(config.regmap, pmic->desc[i].enable_reg,
+ &val);
++ if (ret)
++ return ret;
++
+ if ((val & MAX8907_MASK_LDO_SEQ) !=
+ MAX8907_MASK_LDO_SEQ)
+ pmic->desc[i].ops = &max8907_ldo_hwctl_ops;
+ } else if (pmic->desc[i].ops == &max8907_out5v_ops) {
+- regmap_read(config.regmap, pmic->desc[i].enable_reg,
++ ret = regmap_read(config.regmap, pmic->desc[i].enable_reg,
+ &val);
++ if (ret)
++ return ret;
++
+ if ((val & (MAX8907_MASK_OUT5V_VINEN |
+ MAX8907_MASK_OUT5V_ENSRC)) !=
+ MAX8907_MASK_OUT5V_ENSRC)
+diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c
+index be5ee2d37815..957767d38361 100644
+--- a/drivers/scsi/csiostor/csio_lnode.c
++++ b/drivers/scsi/csiostor/csio_lnode.c
+@@ -301,6 +301,7 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
+ struct fc_fdmi_port_name *port_name;
+ uint8_t buf[64];
+ uint8_t *fc4_type;
++ unsigned long flags;
+
+ if (fdmi_req->wr_status != FW_SUCCESS) {
+ csio_ln_dbg(ln, "WR error:%x in processing fdmi rhba cmd\n",
+@@ -377,13 +378,13 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
+ len = (uint32_t)(pld - (uint8_t *)cmd);
+
+ /* Submit FDMI RPA request */
+- spin_lock_irq(&hw->lock);
++ spin_lock_irqsave(&hw->lock, flags);
+ if (csio_ln_mgmt_submit_req(fdmi_req, csio_ln_fdmi_done,
+ FCOE_CT, &fdmi_req->dma_buf, len)) {
+ CSIO_INC_STATS(ln, n_fdmi_err);
+ csio_ln_dbg(ln, "Failed to issue fdmi rpa req\n");
+ }
+- spin_unlock_irq(&hw->lock);
++ spin_unlock_irqrestore(&hw->lock, flags);
+ }
+
+ /*
+@@ -404,6 +405,7 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
+ struct fc_fdmi_rpl *reg_pl;
+ struct fs_fdmi_attrs *attrib_blk;
+ uint8_t buf[64];
++ unsigned long flags;
+
+ if (fdmi_req->wr_status != FW_SUCCESS) {
+ csio_ln_dbg(ln, "WR error:%x in processing fdmi dprt cmd\n",
+@@ -483,13 +485,13 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
+ attrib_blk->numattrs = htonl(numattrs);
+
+ /* Submit FDMI RHBA request */
+- spin_lock_irq(&hw->lock);
++ spin_lock_irqsave(&hw->lock, flags);
+ if (csio_ln_mgmt_submit_req(fdmi_req, csio_ln_fdmi_rhba_cbfn,
+ FCOE_CT, &fdmi_req->dma_buf, len)) {
+ CSIO_INC_STATS(ln, n_fdmi_err);
+ csio_ln_dbg(ln, "Failed to issue fdmi rhba req\n");
+ }
+- spin_unlock_irq(&hw->lock);
++ spin_unlock_irqrestore(&hw->lock, flags);
+ }
+
+ /*
+@@ -504,6 +506,7 @@ csio_ln_fdmi_dhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
+ void *cmd;
+ struct fc_fdmi_port_name *port_name;
+ uint32_t len;
++ unsigned long flags;
+
+ if (fdmi_req->wr_status != FW_SUCCESS) {
+ csio_ln_dbg(ln, "WR error:%x in processing fdmi dhba cmd\n",
+@@ -534,13 +537,13 @@ csio_ln_fdmi_dhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
+ len += sizeof(*port_name);
+
+ /* Submit FDMI request */
+- spin_lock_irq(&hw->lock);
++ spin_lock_irqsave(&hw->lock, flags);
+ if (csio_ln_mgmt_submit_req(fdmi_req, csio_ln_fdmi_dprt_cbfn,
+ FCOE_CT, &fdmi_req->dma_buf, len)) {
+ CSIO_INC_STATS(ln, n_fdmi_err);
+ csio_ln_dbg(ln, "Failed to issue fdmi dprt req\n");
+ }
+- spin_unlock_irq(&hw->lock);
++ spin_unlock_irqrestore(&hw->lock, flags);
+ }
+
+ /**
+diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
+index 7ca8c2522c92..530b7df21322 100644
+--- a/drivers/scsi/lpfc/lpfc_els.c
++++ b/drivers/scsi/lpfc/lpfc_els.c
+@@ -3839,7 +3839,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
+ mempool_free(mbox, phba->mbox_mem_pool);
+ }
+ out:
+- if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
++ if (ndlp && NLP_CHK_NODE_ACT(ndlp) && shost) {
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI);
+ spin_unlock_irq(shost->host_lock);
+diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
+index 3a4613f9fb9f..6aa0698925da 100644
+--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
++++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
+@@ -454,8 +454,10 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ * single discovery thread, this will cause a huge delay in
+ * discovery. Also this will cause multiple state machines
+ * running in parallel for this node.
++ * This only applies to a fabric environment.
+ */
+- if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) {
++ if ((ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) &&
++ (vport->fc_flag & FC_FABRIC)) {
+ /* software abort outstanding PLOGI */
+ lpfc_els_abort(phba, ndlp);
+ }
+diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
+index 523a1058078a..065fdc17bbfb 100644
+--- a/drivers/scsi/lpfc/lpfc_sli.c
++++ b/drivers/scsi/lpfc/lpfc_sli.c
+@@ -11759,13 +11759,19 @@ send_current_mbox:
+ phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
+ /* Setting active mailbox pointer need to be in sync to flag clear */
+ phba->sli.mbox_active = NULL;
++ if (bf_get(lpfc_trailer_consumed, mcqe))
++ lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq);
+ spin_unlock_irqrestore(&phba->hbalock, iflags);
+ /* Wake up worker thread to post the next pending mailbox command */
+ lpfc_worker_wake_up(phba);
++ return workposted;
++
+ out_no_mqe_complete:
++ spin_lock_irqsave(&phba->hbalock, iflags);
+ if (bf_get(lpfc_trailer_consumed, mcqe))
+ lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq);
+- return workposted;
++ spin_unlock_irqrestore(&phba->hbalock, iflags);
++ return false;
+ }
+
+ /**
+@@ -15786,6 +15792,13 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
+ static void
+ __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi)
+ {
++ /*
++ * if the rpi value indicates a prior unreg has already
++ * been done, skip the unreg.
++ */
++ if (rpi == LPFC_RPI_ALLOC_ERROR)
++ return;
++
+ if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) {
+ phba->sli4_hba.rpi_count--;
+ phba->sli4_hba.max_cfg_param.rpi_used--;
+diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+index 4ccde5a05b70..7874b989d2f4 100644
+--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
++++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+@@ -1456,7 +1456,8 @@ _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc,
+ " for diag buffers, requested size(%d)\n",
+ ioc->name, __func__, request_data_sz);
+ mpt3sas_base_free_smid(ioc, smid);
+- return -ENOMEM;
++ rc = -ENOMEM;
++ goto out;
+ }
+ ioc->diag_buffer[buffer_type] = request_data;
+ ioc->diag_buffer_sz[buffer_type] = request_data_sz;
+diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
+index 9edd61c063a1..df5f0bc29587 100644
+--- a/drivers/scsi/pm8001/pm80xx_hwi.c
++++ b/drivers/scsi/pm8001/pm80xx_hwi.c
+@@ -2368,6 +2368,8 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
+ pm8001_printk("task 0x%p done with io_status 0x%x"
+ " resp 0x%x stat 0x%x but aborted by upper layer!\n",
+ t, status, ts->resp, ts->stat));
++ if (t->slow_task)
++ complete(&t->slow_task->completion);
+ pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+ } else {
+ spin_unlock_irqrestore(&t->task_state_lock, flags);
+diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
+index 08bb47b53bc3..551fd0329bca 100644
+--- a/drivers/scsi/scsi_trace.c
++++ b/drivers/scsi/scsi_trace.c
+@@ -29,15 +29,18 @@ static const char *
+ scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len)
+ {
+ const char *ret = trace_seq_buffer_ptr(p);
+- sector_t lba = 0, txlen = 0;
++ u32 lba = 0, txlen;
+
+ lba |= ((cdb[1] & 0x1F) << 16);
+ lba |= (cdb[2] << 8);
+ lba |= cdb[3];
+- txlen = cdb[4];
++ /*
++ * From SBC-2: a TRANSFER LENGTH field set to zero specifies that 256
++ * logical blocks shall be read (READ(6)) or written (WRITE(6)).
++ */
++ txlen = cdb[4] ? cdb[4] : 256;
+
+- trace_seq_printf(p, "lba=%llu txlen=%llu",
+- (unsigned long long)lba, (unsigned long long)txlen);
++ trace_seq_printf(p, "lba=%u txlen=%u", lba, txlen);
+ trace_seq_putc(p, 0);
+
+ return ret;
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
+index 504d36796152..fcf5141bf950 100644
+--- a/drivers/scsi/ufs/ufshcd.c
++++ b/drivers/scsi/ufs/ufshcd.c
+@@ -1809,10 +1809,10 @@ static int ufshcd_query_descriptor(struct ufs_hba *hba,
+ goto out_unlock;
+ }
+
+- hba->dev_cmd.query.descriptor = NULL;
+ *buf_len = be16_to_cpu(response->upiu_res.length);
+
+ out_unlock:
++ hba->dev_cmd.query.descriptor = NULL;
+ mutex_unlock(&hba->dev_cmd.lock);
+ out:
+ ufshcd_release(hba);
+diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c
+index 823cbc92d1e7..c46c0738c734 100644
+--- a/drivers/spi/spi-img-spfi.c
++++ b/drivers/spi/spi-img-spfi.c
+@@ -673,6 +673,8 @@ static int img_spfi_probe(struct platform_device *pdev)
+ dma_release_channel(spfi->tx_ch);
+ if (spfi->rx_ch)
+ dma_release_channel(spfi->rx_ch);
++ spfi->tx_ch = NULL;
++ spfi->rx_ch = NULL;
+ dev_warn(spfi->dev, "Failed to get DMA channels, falling back to PIO mode\n");
+ } else {
+ master->dma_tx = spfi->tx_ch;
+diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
+index 193aa3da5033..96ed01cb6489 100644
+--- a/drivers/spi/spi-pxa2xx.c
++++ b/drivers/spi/spi-pxa2xx.c
+@@ -1425,7 +1425,13 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
+ }
+
+ ssp->clk = devm_clk_get(&pdev->dev, NULL);
++ if (IS_ERR(ssp->clk))
++ return NULL;
++
+ ssp->irq = platform_get_irq(pdev, 0);
++ if (ssp->irq < 0)
++ return NULL;
++
+ ssp->type = type;
+ ssp->pdev = pdev;
+ ssp->port_id = pxa2xx_spi_get_port_id(adev);
+diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
+index af2880d0c112..cf2a329fd895 100644
+--- a/drivers/spi/spi-tegra20-slink.c
++++ b/drivers/spi/spi-tegra20-slink.c
+@@ -1078,7 +1078,7 @@ static int tegra_slink_probe(struct platform_device *pdev)
+ ret = clk_enable(tspi->clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Clock enable failed %d\n", ret);
+- goto exit_free_master;
++ goto exit_clk_unprepare;
+ }
+
+ spi_irq = platform_get_irq(pdev, 0);
+@@ -1151,6 +1151,8 @@ exit_free_irq:
+ free_irq(spi_irq, tspi);
+ exit_clk_disable:
+ clk_disable(tspi->clk);
++exit_clk_unprepare:
++ clk_unprepare(tspi->clk);
+ exit_free_master:
+ spi_master_put(master);
+ return ret;
+@@ -1164,6 +1166,7 @@ static int tegra_slink_remove(struct platform_device *pdev)
+ free_irq(tspi->irq, tspi);
+
+ clk_disable(tspi->clk);
++ clk_unprepare(tspi->clk);
+
+ if (tspi->tx_dma_chan)
+ tegra_slink_deinit_dma_param(tspi, false);
+diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
+index c5f1045561ac..3709088d4d24 100644
+--- a/drivers/spi/spidev.c
++++ b/drivers/spi/spidev.c
+@@ -662,6 +662,9 @@ static int spidev_release(struct inode *inode, struct file *filp)
+ if (dofree)
+ kfree(spidev);
+ }
++#ifdef CONFIG_SPI_SLAVE
++ spi_slave_abort(spidev->spi);
++#endif
+ mutex_unlock(&device_list_lock);
+
+ return 0;
+diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c
+index 46ca5d938d5b..cca1230f0373 100644
+--- a/drivers/staging/comedi/drivers/gsc_hpdi.c
++++ b/drivers/staging/comedi/drivers/gsc_hpdi.c
+@@ -632,12 +632,22 @@ static int gsc_hpdi_auto_attach(struct comedi_device *dev,
+ devpriv->dio_buffer[i] =
+ pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE,
+ &devpriv->dio_buffer_phys_addr[i]);
++ if (!devpriv->dio_buffer[i]) {
++ dev_warn(dev->class_dev,
++ "failed to allocate DMA buffer\n");
++ return -ENOMEM;
++ }
+ }
+ /* allocate dma descriptors */
+ devpriv->dma_desc = pci_alloc_consistent(pcidev,
+ sizeof(struct plx_dma_desc) *
+ NUM_DMA_DESCRIPTORS,
+ &devpriv->dma_desc_phys_addr);
++ if (!devpriv->dma_desc) {
++ dev_warn(dev->class_dev,
++ "failed to allocate DMA descriptors\n");
++ return -ENOMEM;
++ }
+ if (devpriv->dma_desc_phys_addr & 0xf) {
+ dev_warn(dev->class_dev,
+ " dma descriptors not quad-word aligned (bug)\n");
+diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
+index 15937e0ef4d9..36bf71989637 100644
+--- a/drivers/staging/fbtft/fbtft-core.c
++++ b/drivers/staging/fbtft/fbtft-core.c
+@@ -765,7 +765,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
+ fbdefio->deferred_io = fbtft_deferred_io;
+ fb_deferred_io_init(info);
+
+- strncpy(info->fix.id, dev->driver->name, 16);
++ snprintf(info->fix.id, sizeof(info->fix.id), "%s", dev->driver->name);
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
+ info->fix.xpanstep = 0;
+diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c
+index cabb810369bd..c6bf8933648d 100644
+--- a/drivers/staging/rtl8188eu/core/rtw_xmit.c
++++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c
+@@ -822,7 +822,7 @@ s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattr
+ memcpy(pwlanhdr->addr2, get_bssid(pmlmepriv), ETH_ALEN);
+ memcpy(pwlanhdr->addr3, pattrib->src, ETH_ALEN);
+
+- if (psta->qos_option)
++ if (psta && psta->qos_option)
+ qos_option = true;
+ } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
+ check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
+@@ -830,7 +830,7 @@ s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattr
+ memcpy(pwlanhdr->addr2, pattrib->src, ETH_ALEN);
+ memcpy(pwlanhdr->addr3, get_bssid(pmlmepriv), ETH_ALEN);
+
+- if (psta->qos_option)
++ if (psta && psta->qos_option)
+ qos_option = true;
+ } else {
+ RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("fw_state:%x is not allowed to xmit frame\n", get_fwstate(pmlmepriv)));
+diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
+index cbb4414edd71..564828554ca0 100644
+--- a/drivers/target/iscsi/iscsi_target.c
++++ b/drivers/target/iscsi/iscsi_target.c
+@@ -993,7 +993,9 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
+ hdr->cmdsn, be32_to_cpu(hdr->data_length), payload_length,
+ conn->cid);
+
+- target_get_sess_cmd(&cmd->se_cmd, true);
++ if (target_get_sess_cmd(&cmd->se_cmd, true) < 0)
++ return iscsit_add_reject_cmd(cmd,
++ ISCSI_REASON_WAITING_FOR_LOGOUT, buf);
+
+ cmd->sense_reason = transport_lookup_cmd_lun(&cmd->se_cmd,
+ scsilun_to_int(&hdr->lun));
+@@ -1804,7 +1806,9 @@ iscsit_handle_task_mgt_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
+ conn->sess->se_sess, 0, DMA_NONE,
+ TCM_SIMPLE_TAG, cmd->sense_buffer + 2);
+
+- target_get_sess_cmd(&cmd->se_cmd, true);
++ if (target_get_sess_cmd(&cmd->se_cmd, true) < 0)
++ return iscsit_add_reject_cmd(cmd,
++ ISCSI_REASON_WAITING_FOR_LOGOUT, buf);
+
+ /*
+ * TASK_REASSIGN for ERL=2 / connection stays inside of
+@@ -4390,6 +4394,8 @@ int iscsit_close_connection(
+ * must wait until they have completed.
+ */
+ iscsit_check_conn_usage_count(conn);
++ target_sess_cmd_list_set_waiting(sess->se_sess);
++ target_wait_for_sess_cmds(sess->se_sess);
+
+ if (conn->conn_rx_hash.tfm)
+ crypto_free_hash(conn->conn_rx_hash.tfm);
+diff --git a/drivers/target/iscsi/iscsi_target_auth.c b/drivers/target/iscsi/iscsi_target_auth.c
+index 3184e023a052..1dd6028eccb9 100644
+--- a/drivers/target/iscsi/iscsi_target_auth.c
++++ b/drivers/target/iscsi/iscsi_target_auth.c
+@@ -74,7 +74,7 @@ static int chap_check_algorithm(const char *a_str)
+ if (!token)
+ goto out;
+
+- if (!strncmp(token, "5", 1)) {
++ if (!strcmp(token, "5")) {
+ pr_debug("Selected MD5 Algorithm\n");
+ kfree(orig);
+ return CHAP_DIGEST_MD5;
+diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
+index 54f5332f814d..230c56d40557 100644
+--- a/drivers/usb/host/ehci-q.c
++++ b/drivers/usb/host/ehci-q.c
+@@ -40,6 +40,10 @@
+
+ /*-------------------------------------------------------------------------*/
+
++/* PID Codes that are used here, from EHCI specification, Table 3-16. */
++#define PID_CODE_IN 1
++#define PID_CODE_SETUP 2
++
+ /* fill a qtd, returning how much of the buffer we were able to queue up */
+
+ static int
+@@ -199,7 +203,7 @@ static int qtd_copy_status (
+ int status = -EINPROGRESS;
+
+ /* count IN/OUT bytes, not SETUP (even short packets) */
+- if (likely (QTD_PID (token) != 2))
++ if (likely(QTD_PID(token) != PID_CODE_SETUP))
+ urb->actual_length += length - QTD_LENGTH (token);
+
+ /* don't modify error codes */
+@@ -215,6 +219,13 @@ static int qtd_copy_status (
+ if (token & QTD_STS_BABBLE) {
+ /* FIXME "must" disable babbling device's port too */
+ status = -EOVERFLOW;
++ /*
++ * When MMF is active and PID Code is IN, queue is halted.
++ * EHCI Specification, Table 4-13.
++ */
++ } else if ((token & QTD_STS_MMF) &&
++ (QTD_PID(token) == PID_CODE_IN)) {
++ status = -EPROTO;
+ /* CERR nonzero + halt --> stall */
+ } else if (QTD_CERR(token)) {
+ status = -EPIPE;
+diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
+index bda176fa6e48..df86ea308415 100644
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -444,7 +444,6 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
+ retval = xhci_resume(xhci, hibernated);
+ return retval;
+ }
+-#endif /* CONFIG_PM */
+
+ static void xhci_pci_shutdown(struct usb_hcd *hcd)
+ {
+@@ -457,6 +456,7 @@ static void xhci_pci_shutdown(struct usb_hcd *hcd)
+ if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+ pci_set_power_state(pdev, PCI_D3hot);
+ }
++#endif /* CONFIG_PM */
+
+ /*-------------------------------------------------------------------------*/
+
+diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
+index b8620aa6b72e..8424c165f732 100644
+--- a/drivers/usb/renesas_usbhs/common.h
++++ b/drivers/usb/renesas_usbhs/common.h
+@@ -163,11 +163,12 @@ struct usbhs_priv;
+ #define VBSTS (1 << 7) /* VBUS_0 and VBUSIN_0 Input Status */
+ #define VALID (1 << 3) /* USB Request Receive */
+
+-#define DVSQ_MASK (0x3 << 4) /* Device State */
++#define DVSQ_MASK (0x7 << 4) /* Device State */
+ #define POWER_STATE (0 << 4)
+ #define DEFAULT_STATE (1 << 4)
+ #define ADDRESS_STATE (2 << 4)
+ #define CONFIGURATION_STATE (3 << 4)
++#define SUSPENDED_STATE (4 << 4)
+
+ #define CTSQ_MASK (0x7) /* Control Transfer Stage */
+ #define IDLE_SETUP_STAGE 0 /* Idle stage or setup stage */
+diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
+index efe8d815cf2c..5731621984c6 100644
+--- a/drivers/usb/renesas_usbhs/mod_gadget.c
++++ b/drivers/usb/renesas_usbhs/mod_gadget.c
+@@ -467,12 +467,18 @@ static int usbhsg_irq_dev_state(struct usbhs_priv *priv,
+ {
+ struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
+ struct device *dev = usbhsg_gpriv_to_dev(gpriv);
++ int state = usbhs_status_get_device_state(irq_state);
+
+ gpriv->gadget.speed = usbhs_bus_get_speed(priv);
+
+- dev_dbg(dev, "state = %x : speed : %d\n",
+- usbhs_status_get_device_state(irq_state),
+- gpriv->gadget.speed);
++ dev_dbg(dev, "state = %x : speed : %d\n", state, gpriv->gadget.speed);
++
++ if (gpriv->gadget.speed != USB_SPEED_UNKNOWN &&
++ (state & SUSPENDED_STATE)) {
++ if (gpriv->driver && gpriv->driver->suspend)
++ gpriv->driver->suspend(&gpriv->gadget);
++ usb_gadget_set_state(&gpriv->gadget, USB_STATE_SUSPENDED);
++ }
+
+ return 0;
+ }
+diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
+index 323aa7789989..9c8d936c9009 100644
+--- a/drivers/usb/usbip/vhci_rx.c
++++ b/drivers/usb/usbip/vhci_rx.c
+@@ -89,16 +89,21 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
+ usbip_pack_pdu(pdu, urb, USBIP_RET_SUBMIT, 0);
+
+ /* recv transfer buffer */
+- if (usbip_recv_xbuff(ud, urb) < 0)
+- return;
++ if (usbip_recv_xbuff(ud, urb) < 0) {
++ urb->status = -EPROTO;
++ goto error;
++ }
+
+ /* recv iso_packet_descriptor */
+- if (usbip_recv_iso(ud, urb) < 0)
+- return;
++ if (usbip_recv_iso(ud, urb) < 0) {
++ urb->status = -EPROTO;
++ goto error;
++ }
+
+ /* restore the padding in iso packets */
+ usbip_pad_iso(ud, urb);
+
++error:
+ if (usbip_dbg_flag_vhci_rx)
+ usbip_dump_urb(urb);
+
+diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
+index a980b3309770..62caf3bcadf8 100644
+--- a/fs/btrfs/ctree.c
++++ b/fs/btrfs/ctree.c
+@@ -425,7 +425,7 @@ void btrfs_put_tree_mod_seq(struct btrfs_fs_info *fs_info,
+ for (node = rb_first(tm_root); node; node = next) {
+ next = rb_next(node);
+ tm = container_of(node, struct tree_mod_elem, node);
+- if (tm->seq > min_seq)
++ if (tm->seq >= min_seq)
+ continue;
+ rb_erase(node, tm_root);
+ kfree(tm);
+diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
+index 78722aaffecd..d50fc503f73b 100644
+--- a/fs/btrfs/disk-io.c
++++ b/fs/btrfs/disk-io.c
+@@ -1698,8 +1698,8 @@ static void end_workqueue_fn(struct btrfs_work *work)
+ bio->bi_error = end_io_wq->error;
+ bio->bi_private = end_io_wq->private;
+ bio->bi_end_io = end_io_wq->end_io;
+- kmem_cache_free(btrfs_end_io_wq_cache, end_io_wq);
+ bio_endio(bio);
++ kmem_cache_free(btrfs_end_io_wq_cache, end_io_wq);
+ }
+
+ static int cleaner_kthread(void *arg)
+diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
+index a18f558b4477..6f5563ca70c1 100644
+--- a/fs/btrfs/extent_io.c
++++ b/fs/btrfs/extent_io.c
+@@ -4948,12 +4948,14 @@ struct extent_buffer *alloc_test_extent_buffer(struct btrfs_fs_info *fs_info,
+ return eb;
+ eb = alloc_dummy_extent_buffer(fs_info, start);
+ if (!eb)
+- return NULL;
++ return ERR_PTR(-ENOMEM);
+ eb->fs_info = fs_info;
+ again:
+ ret = radix_tree_preload(GFP_NOFS & ~__GFP_HIGHMEM);
+- if (ret)
++ if (ret) {
++ exists = ERR_PTR(ret);
+ goto free_eb;
++ }
+ spin_lock(&fs_info->buffer_lock);
+ ret = radix_tree_insert(&fs_info->buffer_radix,
+ start >> PAGE_CACHE_SHIFT, eb);
+diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
+index 383717ccecc7..548e9cd1a337 100644
+--- a/fs/btrfs/inode.c
++++ b/fs/btrfs/inode.c
+@@ -5506,7 +5506,6 @@ static void inode_tree_del(struct inode *inode)
+ spin_unlock(&root->inode_lock);
+
+ if (empty && btrfs_root_refs(&root->root_item) == 0) {
+- synchronize_srcu(&root->fs_info->subvol_srcu);
+ spin_lock(&root->inode_lock);
+ empty = RB_EMPTY_ROOT(&root->inode_tree);
+ spin_unlock(&root->inode_lock);
+diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
+index 3379490ce54d..119b1c5c279b 100644
+--- a/fs/btrfs/ioctl.c
++++ b/fs/btrfs/ioctl.c
+@@ -594,12 +594,18 @@ static noinline int create_subvol(struct inode *dir,
+
+ btrfs_i_size_write(dir, dir->i_size + namelen * 2);
+ ret = btrfs_update_inode(trans, root, dir);
+- BUG_ON(ret);
++ if (ret) {
++ btrfs_abort_transaction(trans, root, ret);
++ goto fail;
++ }
+
+ ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,
+ objectid, root->root_key.objectid,
+ btrfs_ino(dir), index, name, namelen);
+- BUG_ON(ret);
++ if (ret) {
++ btrfs_abort_transaction(trans, root, ret);
++ goto fail;
++ }
+
+ ret = btrfs_uuid_tree_add(trans, root->fs_info->uuid_root,
+ root_item.uuid, BTRFS_UUID_KEY_SUBVOL,
+diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
+index d6ccfb31aef0..f38bac9456fd 100644
+--- a/fs/btrfs/relocation.c
++++ b/fs/btrfs/relocation.c
+@@ -4454,6 +4454,7 @@ int btrfs_recover_relocation(struct btrfs_root *root)
+ reloc_root->root_key.offset);
+ if (IS_ERR(fs_root)) {
+ err = PTR_ERR(fs_root);
++ list_add_tail(&reloc_root->root_list, &reloc_roots);
+ goto out_free;
+ }
+
+diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c
+index 2b2978c04e80..1efec40455f8 100644
+--- a/fs/btrfs/tests/qgroup-tests.c
++++ b/fs/btrfs/tests/qgroup-tests.c
+@@ -477,9 +477,9 @@ int btrfs_test_qgroups(void)
+ * *cough*backref walking code*cough*
+ */
+ root->node = alloc_test_extent_buffer(root->fs_info, 4096);
+- if (!root->node) {
++ if (IS_ERR(root->node)) {
+ test_msg("Couldn't allocate dummy buffer\n");
+- ret = -ENOMEM;
++ ret = PTR_ERR(root->node);
+ goto out;
+ }
+ btrfs_set_header_level(root->node, 0);
+diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c
+index 837a9a8d579e..24eb6283dc62 100644
+--- a/fs/btrfs/uuid-tree.c
++++ b/fs/btrfs/uuid-tree.c
+@@ -332,6 +332,8 @@ again_search_slot:
+ }
+ if (ret < 0 && ret != -ENOENT)
+ goto out;
++ key.offset++;
++ goto again_search_slot;
+ }
+ item_size -= sizeof(subid_le);
+ offset += sizeof(subid_le);
+diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
+index 8eb768bbf5b5..209018f08dfd 100644
+--- a/fs/ext4/dir.c
++++ b/fs/ext4/dir.c
+@@ -75,6 +75,11 @@ int __ext4_check_dir_entry(const char *function, unsigned int line,
+ error_msg = "rec_len is too small for name_len";
+ else if (unlikely(((char *) de - buf) + rlen > size))
+ error_msg = "directory entry overrun";
++ else if (unlikely(((char *) de - buf) + rlen >
++ size - EXT4_DIR_REC_LEN(1) &&
++ ((char *) de - buf) + rlen != size)) {
++ error_msg = "directory entry too close to block end";
++ }
+ else if (unlikely(le32_to_cpu(de->inode) >
+ le32_to_cpu(EXT4_SB(dir->i_sb)->s_es->s_inodes_count)))
+ error_msg = "inode out of bounds";
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index aa08e129149d..712bf332e394 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -3040,18 +3040,17 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
+ if (IS_DIRSYNC(dir))
+ ext4_handle_sync(handle);
+
+- if (inode->i_nlink == 0) {
+- ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
+- dentry->d_name.len, dentry->d_name.name);
+- set_nlink(inode, 1);
+- }
+ retval = ext4_delete_entry(handle, dir, de, bh);
+ if (retval)
+ goto end_unlink;
+ dir->i_ctime = dir->i_mtime = ext4_current_time(dir);
+ ext4_update_dx_flag(dir);
+ ext4_mark_inode_dirty(handle, dir);
+- drop_nlink(inode);
++ if (inode->i_nlink == 0)
++ ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
++ dentry->d_name.len, dentry->d_name.name);
++ else
++ drop_nlink(inode);
+ if (!inode->i_nlink)
+ ext4_orphan_add(handle, inode);
+ inode->i_ctime = ext4_current_time(inode);
+diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
+index 2d964ce45606..ebbd7d054cab 100644
+--- a/fs/jbd2/commit.c
++++ b/fs/jbd2/commit.c
+@@ -740,7 +740,6 @@ start_journal_io:
+ submit_bh(WRITE_SYNC, bh);
+ }
+ cond_resched();
+- stats.run.rs_blocks_logged += bufs;
+
+ /* Force a new descriptor to be generated next
+ time round the loop. */
+@@ -827,6 +826,7 @@ start_journal_io:
+ if (unlikely(!buffer_uptodate(bh)))
+ err = -EIO;
+ jbd2_unfile_log_bh(bh);
++ stats.run.rs_blocks_logged++;
+
+ /*
+ * The list contains temporary buffer heads created by
+@@ -872,6 +872,7 @@ start_journal_io:
+ BUFFER_TRACE(bh, "ph5: control buffer writeout done: unfile");
+ clear_buffer_jwrite(bh);
+ jbd2_unfile_log_bh(bh);
++ stats.run.rs_blocks_logged++;
+ __brelse(bh); /* One for getblk */
+ /* AKPM: bforget here */
+ }
+@@ -893,6 +894,7 @@ start_journal_io:
+ }
+ if (cbh)
+ err = journal_wait_on_commit_record(journal, cbh);
++ stats.run.rs_blocks_logged++;
+ if (jbd2_has_feature_async_commit(journal) &&
+ journal->j_flags & JBD2_BARRIER) {
+ blkdev_issue_flush(journal->j_dev, GFP_NOFS, NULL);
+diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
+index 1e0d8da0d3cd..80b92120c812 100644
+--- a/fs/ocfs2/acl.c
++++ b/fs/ocfs2/acl.c
+@@ -338,8 +338,8 @@ int ocfs2_acl_chmod(struct inode *inode, struct buffer_head *bh)
+ down_read(&OCFS2_I(inode)->ip_xattr_sem);
+ acl = ocfs2_get_acl_nolock(inode, ACL_TYPE_ACCESS, bh);
+ up_read(&OCFS2_I(inode)->ip_xattr_sem);
+- if (IS_ERR(acl) || !acl)
+- return PTR_ERR(acl);
++ if (IS_ERR_OR_NULL(acl))
++ return PTR_ERR_OR_ZERO(acl);
+ ret = __posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (ret)
+ return ret;
+diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
+index 7430cb0e21a7..b7d5e254792c 100644
+--- a/fs/quota/dquot.c
++++ b/fs/quota/dquot.c
+@@ -2783,68 +2783,73 @@ EXPORT_SYMBOL(dquot_quotactl_sysfile_ops);
+ static int do_proc_dqstats(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+ {
+- unsigned int type = (int *)table->data - dqstats.stat;
++ unsigned int type = (unsigned long *)table->data - dqstats.stat;
++ s64 value = percpu_counter_sum(&dqstats.counter[type]);
++
++ /* Filter negative values for non-monotonic counters */
++ if (value < 0 && (type == DQST_ALLOC_DQUOTS ||
++ type == DQST_FREE_DQUOTS))
++ value = 0;
+
+ /* Update global table */
+- dqstats.stat[type] =
+- percpu_counter_sum_positive(&dqstats.counter[type]);
+- return proc_dointvec(table, write, buffer, lenp, ppos);
++ dqstats.stat[type] = value;
++ return proc_doulongvec_minmax(table, write, buffer, lenp, ppos);
+ }
+
+ static struct ctl_table fs_dqstats_table[] = {
+ {
+ .procname = "lookups",
+ .data = &dqstats.stat[DQST_LOOKUPS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "drops",
+ .data = &dqstats.stat[DQST_DROPS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "reads",
+ .data = &dqstats.stat[DQST_READS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "writes",
+ .data = &dqstats.stat[DQST_WRITES],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "cache_hits",
+ .data = &dqstats.stat[DQST_CACHE_HITS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "allocated_dquots",
+ .data = &dqstats.stat[DQST_ALLOC_DQUOTS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "free_dquots",
+ .data = &dqstats.stat[DQST_FREE_DQUOTS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+ {
+ .procname = "syncs",
+ .data = &dqstats.stat[DQST_SYNCS],
+- .maxlen = sizeof(int),
++ .maxlen = sizeof(unsigned long),
+ .mode = 0444,
+ .proc_handler = do_proc_dqstats,
+ },
+diff --git a/fs/readdir.c b/fs/readdir.c
+index ced679179cac..3494d7a8ff65 100644
+--- a/fs/readdir.c
++++ b/fs/readdir.c
+@@ -50,6 +50,40 @@ out:
+ }
+ EXPORT_SYMBOL(iterate_dir);
+
++/*
++ * POSIX says that a dirent name cannot contain NULL or a '/'.
++ *
++ * It's not 100% clear what we should really do in this case.
++ * The filesystem is clearly corrupted, but returning a hard
++ * error means that you now don't see any of the other names
++ * either, so that isn't a perfect alternative.
++ *
++ * And if you return an error, what error do you use? Several
++ * filesystems seem to have decided on EUCLEAN being the error
++ * code for EFSCORRUPTED, and that may be the error to use. Or
++ * just EIO, which is perhaps more obvious to users.
++ *
++ * In order to see the other file names in the directory, the
++ * caller might want to make this a "soft" error: skip the
++ * entry, and return the error at the end instead.
++ *
++ * Note that this should likely do a "memchr(name, 0, len)"
++ * check too, since that would be filesystem corruption as
++ * well. However, that case can't actually confuse user space,
++ * which has to do a strlen() on the name anyway to find the
++ * filename length, and the above "soft error" worry means
++ * that it's probably better left alone until we have that
++ * issue clarified.
++ */
++static int verify_dirent_name(const char *name, int len)
++{
++ if (!len)
++ return -EIO;
++ if (memchr(name, '/', len))
++ return -EIO;
++ return 0;
++}
++
+ /*
+ * Traditional linux readdir() handling..
+ *
+@@ -159,6 +193,9 @@ static int filldir(struct dir_context *ctx, const char *name, int namlen,
+ int reclen = ALIGN(offsetof(struct linux_dirent, d_name) + namlen + 2,
+ sizeof(long));
+
++ buf->error = verify_dirent_name(name, namlen);
++ if (unlikely(buf->error))
++ return buf->error;
+ buf->error = -EINVAL; /* only used if we fail.. */
+ if (reclen > buf->count)
+ return -EINVAL;
+@@ -243,6 +280,9 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen,
+ int reclen = ALIGN(offsetof(struct linux_dirent64, d_name) + namlen + 1,
+ sizeof(u64));
+
++ buf->error = verify_dirent_name(name, namlen);
++ if (unlikely(buf->error))
++ return buf->error;
+ buf->error = -EINVAL; /* only used if we fail.. */
+ if (reclen > buf->count)
+ return -EINVAL;
+diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
+index f356f9716474..674472ac067a 100644
+--- a/include/drm/drm_dp_mst_helper.h
++++ b/include/drm/drm_dp_mst_helper.h
+@@ -303,7 +303,7 @@ struct drm_dp_resource_status_notify {
+
+ struct drm_dp_query_payload_ack_reply {
+ u8 port_number;
+- u8 allocated_pbn;
++ u16 allocated_pbn;
+ };
+
+ struct drm_dp_sideband_msg_req_body {
+diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
+index 2ead22dd74a0..07fd2f4f9a06 100644
+--- a/include/linux/hrtimer.h
++++ b/include/linux/hrtimer.h
+@@ -424,12 +424,18 @@ extern u64 hrtimer_get_next_event(void);
+
+ extern bool hrtimer_active(const struct hrtimer *timer);
+
+-/*
+- * Helper function to check, whether the timer is on one of the queues
++/**
++ * hrtimer_is_queued = check, whether the timer is on one of the queues
++ * @timer: Timer to check
++ *
++ * Returns: True if the timer is queued, false otherwise
++ *
++ * The function can be used lockless, but it gives only a current snapshot.
+ */
+-static inline int hrtimer_is_queued(struct hrtimer *timer)
++static inline bool hrtimer_is_queued(struct hrtimer *timer)
+ {
+- return timer->state & HRTIMER_STATE_ENQUEUED;
++ /* The READ_ONCE pairs with the update functions of timer->state */
++ return !!(READ_ONCE(timer->state) & HRTIMER_STATE_ENQUEUED);
+ }
+
+ /*
+diff --git a/include/linux/libfdt_env.h b/include/linux/libfdt_env.h
+index 8850e243c940..bd0a55821177 100644
+--- a/include/linux/libfdt_env.h
++++ b/include/linux/libfdt_env.h
+@@ -6,6 +6,9 @@
+
+ #include <asm/byteorder.h>
+
++#define INT32_MAX S32_MAX
++#define UINT32_MAX U32_MAX
++
+ typedef __be16 fdt16_t;
+ typedef __be32 fdt32_t;
+ typedef __be64 fdt64_t;
+diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
+index 64f36e09a790..3f3f801ca488 100644
+--- a/include/linux/mod_devicetable.h
++++ b/include/linux/mod_devicetable.h
+@@ -502,9 +502,9 @@ struct platform_device_id {
+
+ #define MDIO_MODULE_PREFIX "mdio:"
+
+-#define MDIO_ID_FMT "%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d"
++#define MDIO_ID_FMT "%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u%u"
+ #define MDIO_ID_ARGS(_id) \
+- (_id)>>31, ((_id)>>30) & 1, ((_id)>>29) & 1, ((_id)>>28) & 1, \
++ ((_id)>>31) & 1, ((_id)>>30) & 1, ((_id)>>29) & 1, ((_id)>>28) & 1, \
+ ((_id)>>27) & 1, ((_id)>>26) & 1, ((_id)>>25) & 1, ((_id)>>24) & 1, \
+ ((_id)>>23) & 1, ((_id)>>22) & 1, ((_id)>>21) & 1, ((_id)>>20) & 1, \
+ ((_id)>>19) & 1, ((_id)>>18) & 1, ((_id)>>17) & 1, ((_id)>>16) & 1, \
+diff --git a/include/linux/quota.h b/include/linux/quota.h
+index b2505acfd3c0..b34412df1542 100644
+--- a/include/linux/quota.h
++++ b/include/linux/quota.h
+@@ -253,7 +253,7 @@ enum {
+ };
+
+ struct dqstats {
+- int stat[_DQST_DQSTAT_LAST];
++ unsigned long stat[_DQST_DQSTAT_LAST];
+ struct percpu_counter counter[_DQST_DQSTAT_LAST];
+ };
+
+diff --git a/include/net/dst.h b/include/net/dst.h
+index e4f450617919..2e6e3a14a21a 100644
+--- a/include/net/dst.h
++++ b/include/net/dst.h
+@@ -113,7 +113,7 @@ struct dst_entry {
+ struct dst_metrics {
+ u32 metrics[RTAX_MAX];
+ atomic_t refcnt;
+-};
++} __aligned(4); /* Low pointer bits contain DST_METRICS_FLAGS */
+ extern const struct dst_metrics dst_default_metrics;
+
+ u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old);
+diff --git a/include/scsi/iscsi_proto.h b/include/scsi/iscsi_proto.h
+index c1260d80ef30..1a2ae0862e23 100644
+--- a/include/scsi/iscsi_proto.h
++++ b/include/scsi/iscsi_proto.h
+@@ -638,6 +638,7 @@ struct iscsi_reject {
+ #define ISCSI_REASON_BOOKMARK_INVALID 9
+ #define ISCSI_REASON_BOOKMARK_NO_RESOURCES 10
+ #define ISCSI_REASON_NEGOTIATION_RESET 11
++#define ISCSI_REASON_WAITING_FOR_LOGOUT 12
+
+ /* Max. number of Key=Value pairs in a text message */
+ #define MAX_KEY_VALUE_PAIRS 8192
+diff --git a/kernel/sysctl.c b/kernel/sysctl.c
+index 24c7fe8608d0..c2dddd335d06 100644
+--- a/kernel/sysctl.c
++++ b/kernel/sysctl.c
+@@ -1357,7 +1357,7 @@ static struct ctl_table vm_table[] = {
+ .procname = "drop_caches",
+ .data = &sysctl_drop_caches,
+ .maxlen = sizeof(int),
+- .mode = 0644,
++ .mode = 0200,
+ .proc_handler = drop_caches_sysctl_handler,
+ .extra1 = &one,
+ .extra2 = &four,
+diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
+index 8c4e27cbfe7f..1f7ad2666108 100644
+--- a/kernel/time/hrtimer.c
++++ b/kernel/time/hrtimer.c
+@@ -887,7 +887,8 @@ static int enqueue_hrtimer(struct hrtimer *timer,
+
+ base->cpu_base->active_bases |= 1 << base->index;
+
+- timer->state = HRTIMER_STATE_ENQUEUED;
++ /* Pairs with the lockless read in hrtimer_is_queued() */
++ WRITE_ONCE(timer->state, HRTIMER_STATE_ENQUEUED);
+
+ return timerqueue_add(&base->active, &timer->node);
+ }
+@@ -909,7 +910,8 @@ static void __remove_hrtimer(struct hrtimer *timer,
+ struct hrtimer_cpu_base *cpu_base = base->cpu_base;
+ u8 state = timer->state;
+
+- timer->state = newstate;
++ /* Pairs with the lockless read in hrtimer_is_queued() */
++ WRITE_ONCE(timer->state, newstate);
+ if (!(state & HRTIMER_STATE_ENQUEUED))
+ return;
+
+@@ -936,8 +938,9 @@ static void __remove_hrtimer(struct hrtimer *timer,
+ static inline int
+ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base, bool restart)
+ {
+- if (hrtimer_is_queued(timer)) {
+- u8 state = timer->state;
++ u8 state = timer->state;
++
++ if (state & HRTIMER_STATE_ENQUEUED) {
+ int reprogram;
+
+ /*
+diff --git a/lib/dma-debug.c b/lib/dma-debug.c
+index 51a76af25c66..173013f5e41b 100644
+--- a/lib/dma-debug.c
++++ b/lib/dma-debug.c
+@@ -427,6 +427,7 @@ void debug_dma_dump_mappings(struct device *dev)
+ }
+
+ spin_unlock_irqrestore(&bucket->lock, flags);
++ cond_resched();
+ }
+ }
+ EXPORT_SYMBOL(debug_dma_dump_mappings);
+diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
+index 5d0b1358c754..4bce3ef2c392 100644
+--- a/net/bluetooth/hci_core.c
++++ b/net/bluetooth/hci_core.c
+@@ -4459,7 +4459,14 @@ static void hci_rx_work(struct work_struct *work)
+ hci_send_to_sock(hdev, skb);
+ }
+
+- if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
++ /* If the device has been opened in HCI_USER_CHANNEL,
++ * the userspace has exclusive access to device.
++ * When device is HCI_INIT, we still need to process
++ * the data packets to the driver in order
++ * to complete its setup().
++ */
++ if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
++ !test_bit(HCI_INIT, &hdev->flags)) {
+ kfree_skb(skb);
+ continue;
+ }
+diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
+index 2ae0451fd634..6c84c9b8d60b 100644
+--- a/net/bridge/br_netfilter_hooks.c
++++ b/net/bridge/br_netfilter_hooks.c
+@@ -638,6 +638,9 @@ static unsigned int br_nf_forward_arp(void *priv,
+ nf_bridge_pull_encap_header(skb);
+ }
+
++ if (unlikely(!pskb_may_pull(skb, sizeof(struct arphdr))))
++ return NF_DROP;
++
+ if (arp_hdr(skb)->ar_pln != 4) {
+ if (IS_VLAN_ARP(skb))
+ nf_bridge_push_encap_header(skb);
+diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
+index d9471e3ef216..fd1af7cb960d 100644
+--- a/net/bridge/netfilter/ebtables.c
++++ b/net/bridge/netfilter/ebtables.c
+@@ -1883,7 +1883,7 @@ static int ebt_buf_count(struct ebt_entries_buf_state *state, unsigned int sz)
+ }
+
+ static int ebt_buf_add(struct ebt_entries_buf_state *state,
+- void *data, unsigned int sz)
++ const void *data, unsigned int sz)
+ {
+ if (state->buf_kern_start == NULL)
+ goto count_only;
+@@ -1917,7 +1917,7 @@ enum compat_mwt {
+ EBT_COMPAT_TARGET,
+ };
+
+-static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
++static int compat_mtw_from_user(const struct compat_ebt_entry_mwt *mwt,
+ enum compat_mwt compat_mwt,
+ struct ebt_entries_buf_state *state,
+ const unsigned char *base)
+@@ -1994,22 +1994,23 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
+ * return size of all matches, watchers or target, including necessary
+ * alignment and padding.
+ */
+-static int ebt_size_mwt(struct compat_ebt_entry_mwt *match32,
++static int ebt_size_mwt(const struct compat_ebt_entry_mwt *match32,
+ unsigned int size_left, enum compat_mwt type,
+ struct ebt_entries_buf_state *state, const void *base)
+ {
++ const char *buf = (const char *)match32;
+ int growth = 0;
+- char *buf;
+
+ if (size_left == 0)
+ return 0;
+
+- buf = (char *) match32;
+-
+- while (size_left >= sizeof(*match32)) {
++ do {
+ struct ebt_entry_match *match_kern;
+ int ret;
+
++ if (size_left < sizeof(*match32))
++ return -EINVAL;
++
+ match_kern = (struct ebt_entry_match *) state->buf_kern_start;
+ if (match_kern) {
+ char *tmp;
+@@ -2046,22 +2047,18 @@ static int ebt_size_mwt(struct compat_ebt_entry_mwt *match32,
+ if (match_kern)
+ match_kern->match_size = ret;
+
+- /* rule should have no remaining data after target */
+- if (type == EBT_COMPAT_TARGET && size_left)
+- return -EINVAL;
+-
+ match32 = (struct compat_ebt_entry_mwt *) buf;
+- }
++ } while (size_left);
+
+ return growth;
+ }
+
+ /* called for all ebt_entry structures. */
+-static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
++static int size_entry_mwt(const struct ebt_entry *entry, const unsigned char *base,
+ unsigned int *total,
+ struct ebt_entries_buf_state *state)
+ {
+- unsigned int i, j, startoff, new_offset = 0;
++ unsigned int i, j, startoff, next_expected_off, new_offset = 0;
+ /* stores match/watchers/targets & offset of next struct ebt_entry: */
+ unsigned int offsets[4];
+ unsigned int *offsets_update = NULL;
+@@ -2149,11 +2146,13 @@ static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
+ return ret;
+ }
+
+- startoff = state->buf_user_offset - startoff;
++ next_expected_off = state->buf_user_offset - startoff;
++ if (next_expected_off != entry->next_offset)
++ return -EINVAL;
+
+- if (WARN_ON(*total < startoff))
++ if (*total < entry->next_offset)
+ return -EINVAL;
+- *total -= startoff;
++ *total -= entry->next_offset;
+ return 0;
+ }
+
+diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
+index d0ec8a997210..031945bead36 100644
+--- a/net/ipv4/icmp.c
++++ b/net/ipv4/icmp.c
+@@ -256,10 +256,11 @@ bool icmp_global_allow(void)
+ bool rc = false;
+
+ /* Check if token bucket is empty and cannot be refilled
+- * without taking the spinlock.
++ * without taking the spinlock. The READ_ONCE() are paired
++ * with the following WRITE_ONCE() in this same function.
+ */
+- if (!icmp_global.credit) {
+- delta = min_t(u32, now - icmp_global.stamp, HZ);
++ if (!READ_ONCE(icmp_global.credit)) {
++ delta = min_t(u32, now - READ_ONCE(icmp_global.stamp), HZ);
+ if (delta < HZ / 50)
+ return false;
+ }
+@@ -269,14 +270,14 @@ bool icmp_global_allow(void)
+ if (delta >= HZ / 50) {
+ incr = sysctl_icmp_msgs_per_sec * delta / HZ ;
+ if (incr)
+- icmp_global.stamp = now;
++ WRITE_ONCE(icmp_global.stamp, now);
+ }
+ credit = min_t(u32, icmp_global.credit + incr, sysctl_icmp_msgs_burst);
+ if (credit) {
+ credit--;
+ rc = true;
+ }
+- icmp_global.credit = credit;
++ WRITE_ONCE(icmp_global.credit, credit);
+ spin_unlock(&icmp_global.lock);
+ return rc;
+ }
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index 913c7fb51b18..6c8966dcf612 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -2148,6 +2148,14 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
+ break;
+ }
+
++ /* Argh, we hit an empty skb(), presumably a thread
++ * is sleeping in sendmsg()/sk_stream_wait_memory().
++ * We do not want to send a pure-ack packet and have
++ * a strange looking rtx queue with empty packet(s).
++ */
++ if (TCP_SKB_CB(skb)->end_seq == TCP_SKB_CB(skb)->seq)
++ break;
++
+ if (unlikely(tcp_transmit_skb(sk, skb, 1, gfp)))
+ break;
+
+diff --git a/net/nfc/nci/uart.c b/net/nfc/nci/uart.c
+index 21d8875673a4..c3f2faa0210e 100644
+--- a/net/nfc/nci/uart.c
++++ b/net/nfc/nci/uart.c
+@@ -355,7 +355,7 @@ static int nci_uart_default_recv_buf(struct nci_uart *nu, const u8 *data,
+ nu->rx_packet_len = -1;
+ nu->rx_skb = nci_skb_alloc(nu->ndev,
+ NCI_MAX_PACKET_SIZE,
+- GFP_KERNEL);
++ GFP_ATOMIC);
+ if (!nu->rx_skb)
+ return -ENOMEM;
+ }
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+index 0dd9fc3f57e8..8b277658905f 100644
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -587,7 +587,8 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po,
+ msec = 1;
+ div = speed / 1000;
+ }
+- }
++ } else
++ return DEFAULT_PRB_RETIRE_TOV;
+
+ mbits = (blk_size_in_bytes * 8) / (1024 * 1024);
+
+diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
+index 8816e49fd88b..7e550265df87 100644
+--- a/net/sctp/protocol.c
++++ b/net/sctp/protocol.c
+@@ -255,6 +255,7 @@ static void sctp_v4_from_sk(union sctp_addr *addr, struct sock *sk)
+ addr->v4.sin_family = AF_INET;
+ addr->v4.sin_port = 0;
+ addr->v4.sin_addr.s_addr = inet_sk(sk)->inet_rcv_saddr;
++ memset(addr->v4.sin_zero, 0, sizeof(addr->v4.sin_zero));
+ }
+
+ /* Initialize sk->sk_rcv_saddr from sctp_addr. */
+@@ -277,6 +278,7 @@ static void sctp_v4_from_addr_param(union sctp_addr *addr,
+ addr->v4.sin_family = AF_INET;
+ addr->v4.sin_port = port;
+ addr->v4.sin_addr.s_addr = param->v4.addr.s_addr;
++ memset(addr->v4.sin_zero, 0, sizeof(addr->v4.sin_zero));
+ }
+
+ /* Initialize an address parameter from a sctp_addr and return the length
+@@ -301,6 +303,7 @@ static void sctp_v4_dst_saddr(union sctp_addr *saddr, struct flowi4 *fl4,
+ saddr->v4.sin_family = AF_INET;
+ saddr->v4.sin_port = port;
+ saddr->v4.sin_addr.s_addr = fl4->saddr;
++ memset(saddr->v4.sin_zero, 0, sizeof(saddr->v4.sin_zero));
+ }
+
+ /* Compare two addresses exactly. */
+@@ -323,6 +326,7 @@ static void sctp_v4_inaddr_any(union sctp_addr *addr, __be16 port)
+ addr->v4.sin_family = AF_INET;
+ addr->v4.sin_addr.s_addr = htonl(INADDR_ANY);
+ addr->v4.sin_port = port;
++ memset(addr->v4.sin_zero, 0, sizeof(addr->v4.sin_zero));
+ }
+
+ /* Is this a wildcard address? */
+diff --git a/samples/pktgen/functions.sh b/samples/pktgen/functions.sh
+index 205e4cde4601..065a7e296ee3 100644
+--- a/samples/pktgen/functions.sh
++++ b/samples/pktgen/functions.sh
+@@ -5,6 +5,8 @@
+ # Author: Jesper Dangaaard Brouer
+ # License: GPL
+
++set -o errexit
++
+ ## -- General shell logging cmds --
+ function err() {
+ local exitcode=$1
+@@ -58,6 +60,7 @@ function pg_set() {
+ function proc_cmd() {
+ local result
+ local proc_file=$1
++ local status=0
+ # after shift, the remaining args are contained in $@
+ shift
+ local proc_ctrl=${PROC_DIR}/$proc_file
+@@ -73,13 +76,13 @@ function proc_cmd() {
+ echo "cmd: $@ > $proc_ctrl"
+ fi
+ # Quoting of "$@" is important for space expansion
+- echo "$@" > "$proc_ctrl"
+- local status=$?
++ echo "$@" > "$proc_ctrl" || status=$?
+
+- result=$(grep "Result: OK:" $proc_ctrl)
+- # Due to pgctrl, cannot use exit code $? from grep
+- if [[ "$result" == "" ]]; then
+- grep "Result:" $proc_ctrl >&2
++ if [[ "$proc_file" != "pgctrl" ]]; then
++ result=$(grep "Result: OK:" $proc_ctrl) || true
++ if [[ "$result" == "" ]]; then
++ grep "Result:" $proc_ctrl >&2
++ fi
+ fi
+ if (( $status != 0 )); then
+ err 5 "Write error($status) occurred cmd: \"$@ > $proc_ctrl\""
+@@ -105,6 +108,8 @@ function pgset() {
+ fi
+ }
+
++[[ $EUID -eq 0 ]] && trap 'pg_ctrl "reset"' EXIT
++
+ ## -- General shell tricks --
+
+ function root_check_run_with_sudo() {
+diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
+index d117c68d1607..b92b704e7ace 100644
+--- a/scripts/kallsyms.c
++++ b/scripts/kallsyms.c
+@@ -455,6 +455,8 @@ static void build_initial_tok_table(void)
+ table[pos] = table[i];
+ learn_symbol(table[pos].sym, table[pos].len);
+ pos++;
++ } else {
++ free(table[i].sym);
+ }
+ }
+ table_cnt = pos;
+diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
+index 252392abd1b9..b9bfbf394959 100644
+--- a/sound/core/pcm_native.c
++++ b/sound/core/pcm_native.c
+@@ -587,6 +587,10 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
+ while (runtime->boundary * 2 <= LONG_MAX - runtime->buffer_size)
+ runtime->boundary *= 2;
+
++ /* clear the buffer for avoiding possible kernel info leaks */
++ if (runtime->dma_area)
++ memset(runtime->dma_area, 0, runtime->dma_bytes);
++
+ snd_pcm_timer_resolution_change(substream);
+ snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP);
+
+diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
+index 9cdf86f04e03..a25e34b2f82a 100644
+--- a/sound/pci/hda/hda_controller.c
++++ b/sound/pci/hda/hda_controller.c
+@@ -673,7 +673,7 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr,
+ return -EAGAIN; /* give a chance to retry */
+ }
+
+- dev_WARN(chip->card->dev,
++ dev_err(chip->card->dev,
+ "azx_get_response timeout, switching to single_cmd mode: last cmd=0x%08x\n",
+ bus->last_cmd[addr]);
+ chip->single_cmd = 1;
+diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
+index c0742ee11519..c05119a3e13b 100644
+--- a/sound/pci/hda/patch_ca0132.c
++++ b/sound/pci/hda/patch_ca0132.c
+@@ -1300,13 +1300,14 @@ struct scp_msg {
+
+ static void dspio_clear_response_queue(struct hda_codec *codec)
+ {
++ unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+ unsigned int dummy = 0;
+- int status = -1;
++ int status;
+
+ /* clear all from the response queue */
+ do {
+ status = dspio_read(codec, &dummy);
+- } while (status == 0);
++ } while (status == 0 && time_before(jiffies, timeout));
+ }
+
+ static int dspio_get_response_data(struct hda_codec *codec)
+@@ -4424,12 +4425,14 @@ static void ca0132_process_dsp_response(struct hda_codec *codec,
+ struct ca0132_spec *spec = codec->spec;
+
+ codec_dbg(codec, "ca0132_process_dsp_response\n");
++ snd_hda_power_up_pm(codec);
+ if (spec->wait_scp) {
+ if (dspio_get_response_data(codec) >= 0)
+ spec->wait_scp = 0;
+ }
+
+ dspio_clear_response_queue(codec);
++ snd_hda_power_down_pm(codec);
+ }
+
+ static void hp_callback(struct hda_codec *codec, struct hda_jack_callback *cb)
+diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
+index 69d987a9935c..90f8173123f6 100644
+--- a/sound/soc/codecs/rt5677.c
++++ b/sound/soc/codecs/rt5677.c
+@@ -295,6 +295,7 @@ static bool rt5677_volatile_register(struct device *dev, unsigned int reg)
+ case RT5677_I2C_MASTER_CTRL7:
+ case RT5677_I2C_MASTER_CTRL8:
+ case RT5677_HAP_GENE_CTRL2:
++ case RT5677_PWR_ANLG2: /* Modified by DSP firmware */
+ case RT5677_PWR_DSP_ST:
+ case RT5677_PRIV_DATA:
+ case RT5677_PLL1_CTRL2:
+diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
+index 64309d73921b..c2b72e6d002d 100644
+--- a/tools/lib/traceevent/parse-filter.c
++++ b/tools/lib/traceevent/parse-filter.c
+@@ -1484,8 +1484,10 @@ static int copy_filter_type(struct event_filter *filter,
+ if (strcmp(str, "TRUE") == 0 || strcmp(str, "FALSE") == 0) {
+ /* Add trivial event */
+ arg = allocate_arg();
+- if (arg == NULL)
++ if (arg == NULL) {
++ free(str);
+ return -1;
++ }
+
+ arg->type = FILTER_ARG_BOOLEAN;
+ if (strcmp(str, "TRUE") == 0)
+@@ -1494,8 +1496,11 @@ static int copy_filter_type(struct event_filter *filter,
+ arg->boolean.value = 0;
+
+ filter_type = add_filter_type(filter, event->id);
+- if (filter_type == NULL)
++ if (filter_type == NULL) {
++ free(str);
++ free_arg(arg);
+ return -1;
++ }
+
+ filter_type->filter = arg;
+
+diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
+index f256fac1e722..0f7ebac1846b 100644
+--- a/tools/perf/builtin-report.c
++++ b/tools/perf/builtin-report.c
+@@ -285,6 +285,13 @@ static int report__setup_sample_type(struct report *rep)
+ PERF_SAMPLE_BRANCH_ANY))
+ rep->nonany_branch_mode = true;
+
++#ifndef HAVE_LIBUNWIND_SUPPORT
++ if (dwarf_callchain_users) {
++ ui__warning("Please install libunwind development packages "
++ "during the perf build.\n");
++ }
++#endif
++
+ return 0;
+ }
+
+diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
+index a509aa8433a1..fd460aca36e5 100644
+--- a/tools/perf/util/dwarf-aux.c
++++ b/tools/perf/util/dwarf-aux.c
+@@ -293,21 +293,51 @@ bool die_is_func_def(Dwarf_Die *dw_die)
+ dwarf_attr(dw_die, DW_AT_declaration, &attr) == NULL);
+ }
+
++/**
++ * die_entrypc - Returns entry PC (the lowest address) of a DIE
++ * @dw_die: a DIE
++ * @addr: where to store entry PC
++ *
++ * Since dwarf_entrypc() does not return entry PC if the DIE has only address
++ * range, we have to use this to retrieve the lowest address from the address
++ * range attribute.
++ */
++int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
++{
++ Dwarf_Addr base, end;
++
++ if (!addr)
++ return -EINVAL;
++
++ if (dwarf_entrypc(dw_die, addr) == 0)
++ return 0;
++
++ return dwarf_ranges(dw_die, 0, &base, addr, &end) < 0 ? -ENOENT : 0;
++}
++
+ /**
+ * die_is_func_instance - Ensure that this DIE is an instance of a subprogram
+ * @dw_die: a DIE
+ *
+ * Ensure that this DIE is an instance (which has an entry address).
+- * This returns true if @dw_die is a function instance. If not, you need to
+- * call die_walk_instances() to find actual instances.
++ * This returns true if @dw_die is a function instance. If not, the @dw_die
++ * must be a prototype. You can use die_walk_instances() to find actual
++ * instances.
+ **/
+ bool die_is_func_instance(Dwarf_Die *dw_die)
+ {
+ Dwarf_Addr tmp;
++ Dwarf_Attribute attr_mem;
++ int tag = dwarf_tag(dw_die);
+
+- /* Actually gcc optimizes non-inline as like as inlined */
+- return !dwarf_func_inline(dw_die) && dwarf_entrypc(dw_die, &tmp) == 0;
++ if (tag != DW_TAG_subprogram &&
++ tag != DW_TAG_inlined_subroutine)
++ return false;
++
++ return dwarf_entrypc(dw_die, &tmp) == 0 ||
++ dwarf_attr(dw_die, DW_AT_ranges, &attr_mem) != NULL;
+ }
++
+ /**
+ * die_get_data_member_location - Get the data-member offset
+ * @mb_die: a DIE of a member of a data structure
+@@ -584,6 +614,9 @@ static int __die_walk_instances_cb(Dwarf_Die *inst, void *data)
+ Dwarf_Die *origin;
+ int tmp;
+
++ if (!die_is_func_instance(inst))
++ return DIE_FIND_CB_CONTINUE;
++
+ attr = dwarf_attr(inst, DW_AT_abstract_origin, &attr_mem);
+ if (attr == NULL)
+ return DIE_FIND_CB_CONTINUE;
+@@ -655,15 +688,14 @@ static int __die_walk_funclines_cb(Dwarf_Die *in_die, void *data)
+ if (dwarf_tag(in_die) == DW_TAG_inlined_subroutine) {
+ fname = die_get_call_file(in_die);
+ lineno = die_get_call_lineno(in_die);
+- if (fname && lineno > 0 && dwarf_entrypc(in_die, &addr) == 0) {
++ if (fname && lineno > 0 && die_entrypc(in_die, &addr) == 0) {
+ lw->retval = lw->callback(fname, lineno, addr, lw->data);
+ if (lw->retval != 0)
+ return DIE_FIND_CB_END;
+ }
++ if (!lw->recursive)
++ return DIE_FIND_CB_SIBLING;
+ }
+- if (!lw->recursive)
+- /* Don't need to search recursively */
+- return DIE_FIND_CB_SIBLING;
+
+ if (addr) {
+ fname = dwarf_decl_file(in_die);
+@@ -696,7 +728,7 @@ static int __die_walk_funclines(Dwarf_Die *sp_die, bool recursive,
+ /* Handle function declaration line */
+ fname = dwarf_decl_file(sp_die);
+ if (fname && dwarf_decl_line(sp_die, &lineno) == 0 &&
+- dwarf_entrypc(sp_die, &addr) == 0) {
++ die_entrypc(sp_die, &addr) == 0) {
+ lw.retval = callback(fname, lineno, addr, data);
+ if (lw.retval != 0)
+ goto done;
+@@ -710,6 +742,10 @@ static int __die_walk_culines_cb(Dwarf_Die *sp_die, void *data)
+ {
+ struct __line_walk_param *lw = data;
+
++ /*
++ * Since inlined function can include another inlined function in
++ * the same file, we need to walk in it recursively.
++ */
+ lw->retval = __die_walk_funclines(sp_die, true, lw->callback, lw->data);
+ if (lw->retval != 0)
+ return DWARF_CB_ABORT;
+@@ -734,11 +770,12 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data)
+ Dwarf_Lines *lines;
+ Dwarf_Line *line;
+ Dwarf_Addr addr;
+- const char *fname, *decf = NULL;
++ const char *fname, *decf = NULL, *inf = NULL;
+ int lineno, ret = 0;
+ int decl = 0, inl;
+ Dwarf_Die die_mem, *cu_die;
+ size_t nlines, i;
++ bool flag;
+
+ /* Get the CU die */
+ if (dwarf_tag(rt_die) != DW_TAG_compile_unit) {
+@@ -769,6 +806,12 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data)
+ "Possible error in debuginfo.\n");
+ continue;
+ }
++ /* Skip end-of-sequence */
++ if (dwarf_lineendsequence(line, &flag) != 0 || flag)
++ continue;
++ /* Skip Non statement line-info */
++ if (dwarf_linebeginstatement(line, &flag) != 0 || !flag)
++ continue;
+ /* Filter lines based on address */
+ if (rt_die != cu_die) {
+ /*
+@@ -778,13 +821,21 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data)
+ */
+ if (!dwarf_haspc(rt_die, addr))
+ continue;
++
+ if (die_find_inlinefunc(rt_die, addr, &die_mem)) {
++ /* Call-site check */
++ inf = die_get_call_file(&die_mem);
++ if ((inf && !strcmp(inf, decf)) &&
++ die_get_call_lineno(&die_mem) == lineno)
++ goto found;
++
+ dwarf_decl_line(&die_mem, &inl);
+ if (inl != decl ||
+ decf != dwarf_decl_file(&die_mem))
+ continue;
+ }
+ }
++found:
+ /* Get source line */
+ fname = dwarf_linesrc(line, NULL, NULL);
+
+@@ -799,8 +850,9 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data)
+ */
+ if (rt_die != cu_die)
+ /*
+- * Don't need walk functions recursively, because nested
+- * inlined functions don't have lines of the specified DIE.
++ * Don't need walk inlined functions recursively, because
++ * inner inlined functions don't have the lines of the
++ * specified function.
+ */
+ ret = __die_walk_funclines(rt_die, false, callback, data);
+ else {
+@@ -981,7 +1033,7 @@ static int die_get_var_innermost_scope(Dwarf_Die *sp_die, Dwarf_Die *vr_die,
+ bool first = true;
+ const char *name;
+
+- ret = dwarf_entrypc(sp_die, &entry);
++ ret = die_entrypc(sp_die, &entry);
+ if (ret)
+ return ret;
+
+@@ -1042,7 +1094,7 @@ int die_get_var_range(Dwarf_Die *sp_die, Dwarf_Die *vr_die, struct strbuf *buf)
+ bool first = true;
+ const char *name;
+
+- ret = dwarf_entrypc(sp_die, &entry);
++ ret = die_entrypc(sp_die, &entry);
+ if (ret)
+ return ret;
+
+diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h
+index c42ec366f2a7..598629333eec 100644
+--- a/tools/perf/util/dwarf-aux.h
++++ b/tools/perf/util/dwarf-aux.h
+@@ -38,6 +38,9 @@ extern int cu_find_lineinfo(Dwarf_Die *cudie, unsigned long addr,
+ extern int cu_walk_functions_at(Dwarf_Die *cu_die, Dwarf_Addr addr,
+ int (*callback)(Dwarf_Die *, void *), void *data);
+
++/* Get the lowest PC in DIE (including range list) */
++int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr);
++
+ /* Ensure that this DIE is a subprogram and definition (not declaration) */
+ extern bool die_is_func_def(Dwarf_Die *dw_die);
+
+diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
+index 679d6e493962..e6324397b295 100644
+--- a/tools/perf/util/perf_regs.h
++++ b/tools/perf/util/perf_regs.h
+@@ -26,7 +26,7 @@ int perf_reg_value(u64 *valp, struct regs_dump *regs, int id);
+
+ static inline const char *perf_reg_name(int id __maybe_unused)
+ {
+- return NULL;
++ return "unknown";
+ }
+
+ static inline int perf_reg_value(u64 *valp __maybe_unused,
+diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
+index fdd87c7e3e91..5ca8836b16e7 100644
+--- a/tools/perf/util/probe-finder.c
++++ b/tools/perf/util/probe-finder.c
+@@ -746,6 +746,16 @@ static int find_best_scope_cb(Dwarf_Die *fn_die, void *data)
+ return 0;
+ }
+
++/* Return innermost DIE */
++static int find_inner_scope_cb(Dwarf_Die *fn_die, void *data)
++{
++ struct find_scope_param *fsp = data;
++
++ memcpy(fsp->die_mem, fn_die, sizeof(Dwarf_Die));
++ fsp->found = true;
++ return 1;
++}
++
+ /* Find an appropriate scope fits to given conditions */
+ static Dwarf_Die *find_best_scope(struct probe_finder *pf, Dwarf_Die *die_mem)
+ {
+@@ -757,8 +767,13 @@ static Dwarf_Die *find_best_scope(struct probe_finder *pf, Dwarf_Die *die_mem)
+ .die_mem = die_mem,
+ .found = false,
+ };
++ int ret;
+
+- cu_walk_functions_at(&pf->cu_die, pf->addr, find_best_scope_cb, &fsp);
++ ret = cu_walk_functions_at(&pf->cu_die, pf->addr, find_best_scope_cb,
++ &fsp);
++ if (!ret && !fsp.found)
++ cu_walk_functions_at(&pf->cu_die, pf->addr,
++ find_inner_scope_cb, &fsp);
+
+ return fsp.found ? die_mem : NULL;
+ }
+@@ -900,7 +915,7 @@ static int probe_point_inline_cb(Dwarf_Die *in_die, void *data)
+ ret = find_probe_point_lazy(in_die, pf);
+ else {
+ /* Get probe address */
+- if (dwarf_entrypc(in_die, &addr) != 0) {
++ if (die_entrypc(in_die, &addr) != 0) {
+ pr_warning("Failed to get entry address of %s.\n",
+ dwarf_diename(in_die));
+ return -ENOENT;
+@@ -1331,6 +1346,18 @@ static int collect_variables_cb(Dwarf_Die *die_mem, void *data)
+ return DIE_FIND_CB_SIBLING;
+ }
+
++static bool available_var_finder_overlap(struct available_var_finder *af)
++{
++ int i;
++
++ for (i = 0; i < af->nvls; i++) {
++ if (af->pf.addr == af->vls[i].point.address)
++ return true;
++ }
++ return false;
++
++}
++
+ /* Add a found vars into available variables list */
+ static int add_available_vars(Dwarf_Die *sc_die, struct probe_finder *pf)
+ {
+@@ -1341,6 +1368,14 @@ static int add_available_vars(Dwarf_Die *sc_die, struct probe_finder *pf)
+ Dwarf_Die die_mem;
+ int ret;
+
++ /*
++ * For some reason (e.g. different column assigned to same address),
++ * this callback can be called with the address which already passed.
++ * Ignore it first.
++ */
++ if (available_var_finder_overlap(af))
++ return 0;
++
+ /* Check number of tevs */
+ if (af->nvls == af->max_vls) {
+ pr_warning("Too many( > %d) probe point found.\n", af->max_vls);
+@@ -1481,7 +1516,7 @@ int debuginfo__find_probe_point(struct debuginfo *dbg, unsigned long addr,
+ /* Get function entry information */
+ func = basefunc = dwarf_diename(&spdie);
+ if (!func ||
+- dwarf_entrypc(&spdie, &baseaddr) != 0 ||
++ die_entrypc(&spdie, &baseaddr) != 0 ||
+ dwarf_decl_line(&spdie, &baseline) != 0) {
+ lineno = 0;
+ goto post;
+@@ -1498,7 +1533,7 @@ int debuginfo__find_probe_point(struct debuginfo *dbg, unsigned long addr,
+ while (die_find_top_inlinefunc(&spdie, (Dwarf_Addr)addr,
+ &indie)) {
+ /* There is an inline function */
+- if (dwarf_entrypc(&indie, &_addr) == 0 &&
++ if (die_entrypc(&indie, &_addr) == 0 &&
+ _addr == addr) {
+ /*
+ * addr is at an inline function entry.
+diff --git a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
+index ebeaba6571a3..475e18e04318 100644
+--- a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
++++ b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
+@@ -40,7 +40,6 @@ static cstate_t hsw_ext_cstates[HSW_EXT_CSTATE_COUNT] = {
+ {
+ .name = "PC9",
+ .desc = N_("Processor Package C9"),
+- .desc = N_("Processor Package C2"),
+ .id = PC9,
+ .range = RANGE_PACKAGE,
+ .get_count_percent = hsw_ext_get_count_percent,
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