commit: 0812ef6d0b5a80efdc7df31e00e42d86a883c2ef Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Sun Jan 12 14:48:08 2020 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Sun Jan 12 14:48:08 2020 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=0812ef6d
Linux patch 4.4.209 Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> 0000_README | 4 + 1208_linux-4.4.209.patch | 1715 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1719 insertions(+) diff --git a/0000_README b/0000_README index 9a294a8..f96d37d 100644 --- a/0000_README +++ b/0000_README @@ -875,6 +875,10 @@ Patch: 1207_linux-4.4.208.patch From: http://www.kernel.org Desc: Linux 4.4.208 +Patch: 1208_linux-4.4.209.patch +From: http://www.kernel.org +Desc: Linux 4.4.209 + 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/1208_linux-4.4.209.patch b/1208_linux-4.4.209.patch new file mode 100644 index 0000000..eca7d9a --- /dev/null +++ b/1208_linux-4.4.209.patch @@ -0,0 +1,1715 @@ +diff --git a/Makefile b/Makefile +index 84d74ea25d70..762f77777e62 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 4 +-SUBLEVEL = 208 ++SUBLEVEL = 209 + EXTRAVERSION = + NAME = Blurry Fish Butt + +diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts +index d2450ab0a380..3293484028ad 100644 +--- a/arch/arm/boot/dts/am437x-gp-evm.dts ++++ b/arch/arm/boot/dts/am437x-gp-evm.dts +@@ -79,7 +79,7 @@ + }; + + lcd0: display { +- compatible = "osddisplays,osd057T0559-34ts", "panel-dpi"; ++ compatible = "osddisplays,osd070t1718-19ts", "panel-dpi"; + label = "lcd"; + + panel-timing { +diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts +index 00707aac72fc..a74b09f17a1a 100644 +--- a/arch/arm/boot/dts/am43x-epos-evm.dts ++++ b/arch/arm/boot/dts/am43x-epos-evm.dts +@@ -41,7 +41,7 @@ + }; + + lcd0: display { +- compatible = "osddisplays,osd057T0559-34ts", "panel-dpi"; ++ compatible = "osddisplays,osd070t1718-19ts", "panel-dpi"; + label = "lcd"; + + panel-timing { +diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c +index 5766ce2be32b..29eb945075e3 100644 +--- a/arch/arm/mach-vexpress/spc.c ++++ b/arch/arm/mach-vexpress/spc.c +@@ -555,8 +555,9 @@ static struct clk *ve_spc_clk_register(struct device *cpu_dev) + + static int __init ve_spc_clk_init(void) + { +- int cpu; ++ int cpu, cluster; + struct clk *clk; ++ bool init_opp_table[MAX_CLUSTERS] = { false }; + + if (!info) + return 0; /* Continue only if SPC is initialised */ +@@ -582,8 +583,17 @@ static int __init ve_spc_clk_init(void) + continue; + } + ++ cluster = topology_physical_package_id(cpu_dev->id); ++ if (init_opp_table[cluster]) ++ continue; ++ + if (ve_init_opp_table(cpu_dev)) + pr_warn("failed to initialise cpu%d opp table\n", cpu); ++ else if (dev_pm_opp_set_sharing_cpus(cpu_dev, ++ topology_core_cpumask(cpu_dev->id))) ++ pr_warn("failed to mark OPPs shared for cpu%d\n", cpu); ++ else ++ init_opp_table[cluster] = true; + } + + platform_device_register_simple("vexpress-spc-cpufreq", -1, NULL, 0); +diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h +index e309d8fcb516..da1cb0499d6c 100644 +--- a/arch/mips/include/asm/thread_info.h ++++ b/arch/mips/include/asm/thread_info.h +@@ -52,8 +52,26 @@ struct thread_info { + #define init_thread_info (init_thread_union.thread_info) + #define init_stack (init_thread_union.stack) + +-/* How to get the thread information struct from C. */ ++/* ++ * A pointer to the struct thread_info for the currently executing thread is ++ * held in register $28/$gp. ++ * ++ * We declare __current_thread_info as a global register variable rather than a ++ * local register variable within current_thread_info() because clang doesn't ++ * support explicit local register variables. ++ * ++ * When building the VDSO we take care not to declare the global register ++ * variable because this causes GCC to not preserve the value of $28/$gp in ++ * functions that change its value (which is common in the PIC VDSO when ++ * accessing the GOT). Since the VDSO shouldn't be accessing ++ * __current_thread_info anyway we declare it extern in order to cause a link ++ * failure if it's referenced. ++ */ ++#ifdef __VDSO__ ++extern struct thread_info *__current_thread_info; ++#else + register struct thread_info *__current_thread_info __asm__("$28"); ++#endif + + static inline struct thread_info *current_thread_info(void) + { +diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h +index 0a90b965cccb..9849bef2a766 100644 +--- a/arch/parisc/include/asm/cmpxchg.h ++++ b/arch/parisc/include/asm/cmpxchg.h +@@ -43,8 +43,14 @@ __xchg(unsigned long x, __volatile__ void *ptr, int size) + ** if (((unsigned long)p & 0xf) == 0) + ** return __ldcw(p); + */ +-#define xchg(ptr, x) \ +- ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) ++#define xchg(ptr, x) \ ++({ \ ++ __typeof__(*(ptr)) __ret; \ ++ __typeof__(*(ptr)) _x_ = (x); \ ++ __ret = (__typeof__(*(ptr))) \ ++ __xchg((unsigned long)_x_, (ptr), sizeof(*(ptr))); \ ++ __ret; \ ++}) + + /* bug catcher for when unsupported size is used - won't link */ + extern void __cmpxchg_called_with_bad_pointer(void); +diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c +index 1efe5ca5c3bc..5bb2c89d55c8 100644 +--- a/arch/powerpc/mm/mem.c ++++ b/arch/powerpc/mm/mem.c +@@ -330,6 +330,14 @@ void __init mem_init(void) + BUILD_BUG_ON(MMU_PAGE_COUNT > 16); + + #ifdef CONFIG_SWIOTLB ++ /* ++ * Some platforms (e.g. 85xx) limit DMA-able memory way below ++ * 4G. We force memblock to bottom-up mode to ensure that the ++ * memory allocated in swiotlb_init() is DMA-able. ++ * As it's the last memblock allocation, no need to reset it ++ * back to to-down. ++ */ ++ memblock_set_bottom_up(true); + swiotlb_init(0); + #endif + +diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c +index 849b29b3e9ae..954ef27128f2 100644 +--- a/arch/powerpc/platforms/pseries/hvconsole.c ++++ b/arch/powerpc/platforms/pseries/hvconsole.c +@@ -62,7 +62,7 @@ EXPORT_SYMBOL(hvc_get_chars); + * @vtermno: The vtermno or unit_address of the adapter from which the data + * originated. + * @buf: The character buffer that contains the character data to send to +- * firmware. ++ * firmware. Must be at least 16 bytes, even if count is less than 16. + * @count: Send this number of characters. + */ + int hvc_put_chars(uint32_t vtermno, const char *buf, int count) +diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c +index 7490c52b2715..4a76b381d25a 100644 +--- a/arch/s390/kernel/perf_cpum_sf.c ++++ b/arch/s390/kernel/perf_cpum_sf.c +@@ -1294,18 +1294,28 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all) + */ + if (flush_all && done) + break; +- +- /* If an event overflow happened, discard samples by +- * processing any remaining sample-data-blocks. +- */ +- if (event_overflow) +- flush_all = 1; + } + + /* Account sample overflows in the event hardware structure */ + if (sampl_overflow) + OVERFLOW_REG(hwc) = DIV_ROUND_UP(OVERFLOW_REG(hwc) + + sampl_overflow, 1 + num_sdb); ++ ++ /* Perf_event_overflow() and perf_event_account_interrupt() limit ++ * the interrupt rate to an upper limit. Roughly 1000 samples per ++ * task tick. ++ * Hitting this limit results in a large number ++ * of throttled REF_REPORT_THROTTLE entries and the samples ++ * are dropped. ++ * Slightly increase the interval to avoid hitting this limit. ++ */ ++ if (event_overflow) { ++ SAMPL_RATE(hwc) += DIV_ROUND_UP(SAMPL_RATE(hwc), 10); ++ debug_sprintf_event(sfdbg, 1, "%s: rate adjustment %ld\n", ++ __func__, ++ DIV_ROUND_UP(SAMPL_RATE(hwc), 10)); ++ } ++ + if (sampl_overflow || event_overflow) + debug_sprintf_event(sfdbg, 4, "hw_perf_event_update: " + "overflow stats: sample=%llu event=%llu\n", +diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c +index 29e5409c0d48..f113fcd781d8 100644 +--- a/arch/s390/kernel/smp.c ++++ b/arch/s390/kernel/smp.c +@@ -702,39 +702,67 @@ static struct sclp_core_info *smp_get_core_info(void) + + static int smp_add_present_cpu(int cpu); + +-static int __smp_rescan_cpus(struct sclp_core_info *info, int sysfs_add) ++static int smp_add_core(struct sclp_core_entry *core, cpumask_t *avail, ++ bool configured, bool early) + { + struct pcpu *pcpu; +- cpumask_t avail; +- int cpu, nr, i, j; ++ int cpu, nr, i; + u16 address; + + nr = 0; +- cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask); +- cpu = cpumask_first(&avail); +- for (i = 0; (i < info->combined) && (cpu < nr_cpu_ids); i++) { +- if (sclp.has_core_type && info->core[i].type != boot_core_type) ++ if (sclp.has_core_type && core->type != boot_core_type) ++ return nr; ++ cpu = cpumask_first(avail); ++ address = core->core_id << smp_cpu_mt_shift; ++ for (i = 0; (i <= smp_cpu_mtid) && (cpu < nr_cpu_ids); i++) { ++ if (pcpu_find_address(cpu_present_mask, address + i)) + continue; +- address = info->core[i].core_id << smp_cpu_mt_shift; +- for (j = 0; j <= smp_cpu_mtid; j++) { +- if (pcpu_find_address(cpu_present_mask, address + j)) +- continue; +- pcpu = pcpu_devices + cpu; +- pcpu->address = address + j; +- pcpu->state = +- (cpu >= info->configured*(smp_cpu_mtid + 1)) ? +- CPU_STATE_STANDBY : CPU_STATE_CONFIGURED; +- smp_cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); +- set_cpu_present(cpu, true); +- if (sysfs_add && smp_add_present_cpu(cpu) != 0) +- set_cpu_present(cpu, false); +- else +- nr++; +- cpu = cpumask_next(cpu, &avail); +- if (cpu >= nr_cpu_ids) ++ pcpu = pcpu_devices + cpu; ++ pcpu->address = address + i; ++ if (configured) ++ pcpu->state = CPU_STATE_CONFIGURED; ++ else ++ pcpu->state = CPU_STATE_STANDBY; ++ smp_cpu_set_polarization(cpu, POLARIZATION_UNKNOWN); ++ set_cpu_present(cpu, true); ++ if (!early && smp_add_present_cpu(cpu) != 0) ++ set_cpu_present(cpu, false); ++ else ++ nr++; ++ cpumask_clear_cpu(cpu, avail); ++ cpu = cpumask_next(cpu, avail); ++ } ++ return nr; ++} ++ ++static int __smp_rescan_cpus(struct sclp_core_info *info, bool early) ++{ ++ struct sclp_core_entry *core; ++ cpumask_t avail; ++ bool configured; ++ u16 core_id; ++ int nr, i; ++ ++ nr = 0; ++ cpumask_xor(&avail, cpu_possible_mask, cpu_present_mask); ++ /* ++ * Add IPL core first (which got logical CPU number 0) to make sure ++ * that all SMT threads get subsequent logical CPU numbers. ++ */ ++ if (early) { ++ core_id = pcpu_devices[0].address >> smp_cpu_mt_shift; ++ for (i = 0; i < info->configured; i++) { ++ core = &info->core[i]; ++ if (core->core_id == core_id) { ++ nr += smp_add_core(core, &avail, true, early); + break; ++ } + } + } ++ for (i = 0; i < info->combined; i++) { ++ configured = i < info->configured; ++ nr += smp_add_core(&info->core[i], &avail, configured, early); ++ } + return nr; + } + +@@ -782,7 +810,7 @@ static void __init smp_detect_cpus(void) + + /* Add CPUs present at boot */ + get_online_cpus(); +- __smp_rescan_cpus(info, 0); ++ __smp_rescan_cpus(info, true); + put_online_cpus(); + kfree(info); + } +@@ -1140,7 +1168,7 @@ int __ref smp_rescan_cpus(void) + return -ENOMEM; + get_online_cpus(); + mutex_lock(&smp_cpu_state_mutex); +- nr = __smp_rescan_cpus(info, 1); ++ nr = __smp_rescan_cpus(info, false); + mutex_unlock(&smp_cpu_state_mutex); + put_online_cpus(); + kfree(info); +diff --git a/arch/tile/lib/atomic_asm_32.S b/arch/tile/lib/atomic_asm_32.S +index f611265633d6..6d6c2fecb0c1 100644 +--- a/arch/tile/lib/atomic_asm_32.S ++++ b/arch/tile/lib/atomic_asm_32.S +@@ -24,8 +24,7 @@ + * has an opportunity to return -EFAULT to the user if needed. + * The 64-bit routines just return a "long long" with the value, + * since they are only used from kernel space and don't expect to fault. +- * Support for 16-bit ops is included in the framework but we don't provide +- * any (x86_64 has an atomic_inc_short(), so we might want to some day). ++ * Support for 16-bit ops is included in the framework but we don't provide any. + * + * Note that the caller is advised to issue a suitable L1 or L2 + * prefetch on the address being manipulated to avoid extra stalls. +diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h +index 249fa6b27557..afc2387323c9 100644 +--- a/arch/x86/include/asm/atomic.h ++++ b/arch/x86/include/asm/atomic.h +@@ -220,19 +220,6 @@ static __always_inline int __atomic_add_unless(atomic_t *v, int a, int u) + return c; + } + +-/** +- * atomic_inc_short - increment of a short integer +- * @v: pointer to type int +- * +- * Atomically adds 1 to @v +- * Returns the new value of @u +- */ +-static __always_inline short int atomic_inc_short(short int *v) +-{ +- asm(LOCK_PREFIX "addw $1, %0" : "+m" (*v)); +- return *v; +-} +- + #ifdef CONFIG_X86_32 + # include <asm/atomic64_32.h> + #else +diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c +index d2c46454ffa8..a8814df03bd1 100644 +--- a/block/compat_ioctl.c ++++ b/block/compat_ioctl.c +@@ -5,6 +5,7 @@ + #include <linux/compat.h> + #include <linux/elevator.h> + #include <linux/hdreg.h> ++#include <linux/pr.h> + #include <linux/slab.h> + #include <linux/syscalls.h> + #include <linux/types.h> +@@ -406,6 +407,14 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) + case BLKTRACETEARDOWN: /* compatible */ + ret = blk_trace_ioctl(bdev, cmd, compat_ptr(arg)); + return ret; ++ case IOC_PR_REGISTER: ++ case IOC_PR_RESERVE: ++ case IOC_PR_RELEASE: ++ case IOC_PR_PREEMPT: ++ case IOC_PR_PREEMPT_ABORT: ++ case IOC_PR_CLEAR: ++ return blkdev_ioctl(bdev, mode, cmd, ++ (unsigned long)compat_ptr(arg)); + default: + if (disk->fops->compat_ioctl) + ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg); +diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c +index fcc12c879659..7039a58a6a4e 100644 +--- a/drivers/bluetooth/btusb.c ++++ b/drivers/bluetooth/btusb.c +@@ -1056,7 +1056,7 @@ static int btusb_open(struct hci_dev *hdev) + if (data->setup_on_usb) { + err = data->setup_on_usb(hdev); + if (err < 0) +- return err; ++ goto setup_fail; + } + + err = usb_autopm_get_interface(data->intf); +@@ -1092,6 +1092,7 @@ done: + + failed: + clear_bit(BTUSB_INTR_RUNNING, &data->flags); ++setup_fail: + usb_autopm_put_interface(data->intf); + return err; + } +diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c +index 4f6fc1cfd7da..f01f7434df8e 100644 +--- a/drivers/devfreq/devfreq.c ++++ b/drivers/devfreq/devfreq.c +@@ -396,11 +396,6 @@ static int devfreq_notifier_call(struct notifier_block *nb, unsigned long type, + static void _remove_devfreq(struct devfreq *devfreq) + { + mutex_lock(&devfreq_list_lock); +- if (IS_ERR(find_device_devfreq(devfreq->dev.parent))) { +- mutex_unlock(&devfreq_list_lock); +- dev_warn(&devfreq->dev, "releasing devfreq which doesn't exist\n"); +- return; +- } + list_del(&devfreq->node); + mutex_unlock(&devfreq_list_lock); + +@@ -472,6 +467,7 @@ struct devfreq *devfreq_add_device(struct device *dev, + devfreq->dev.parent = dev; + devfreq->dev.class = devfreq_class; + devfreq->dev.release = devfreq_dev_release; ++ INIT_LIST_HEAD(&devfreq->node); + devfreq->profile = profile; + strncpy(devfreq->governor_name, governor_name, DEVFREQ_NAME_LEN); + devfreq->previous_freq = profile->initial_freq; +diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c +index b9d2f76a0cf7..117d16a455fd 100644 +--- a/drivers/firewire/net.c ++++ b/drivers/firewire/net.c +@@ -249,7 +249,11 @@ static int fwnet_header_cache(const struct neighbour *neigh, + h = (struct fwnet_header *)((u8 *)hh->hh_data + HH_DATA_OFF(sizeof(*h))); + h->h_proto = type; + memcpy(h->h_dest, neigh->ha, net->addr_len); +- hh->hh_len = FWNET_HLEN; ++ ++ /* Pairs with the READ_ONCE() in neigh_resolve_output(), ++ * neigh_hh_output() and neigh_update_hhs(). ++ */ ++ smp_store_release(&hh->hh_len, FWNET_HLEN); + + return 0; + } +diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c +index fe89fd56eabf..db0801c7bb8e 100644 +--- a/drivers/gpio/gpiolib.c ++++ b/drivers/gpio/gpiolib.c +@@ -163,6 +163,14 @@ int gpiod_get_direction(struct gpio_desc *desc) + chip = gpiod_to_chip(desc); + offset = gpio_chip_hwgpio(desc); + ++ /* ++ * Open drain emulation using input mode may incorrectly report ++ * input here, fix that up. ++ */ ++ if (test_bit(FLAG_OPEN_DRAIN, &desc->flags) && ++ test_bit(FLAG_IS_OUT, &desc->flags)) ++ return 0; ++ + if (!chip->get_direction) + return status; + +diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c +index ff12d926eb65..cd707b401b10 100644 +--- a/drivers/gpu/drm/drm_dp_mst_topology.c ++++ b/drivers/gpu/drm/drm_dp_mst_topology.c +@@ -1538,7 +1538,11 @@ static void process_single_up_tx_qlock(struct drm_dp_mst_topology_mgr *mgr, + if (ret != 1) + DRM_DEBUG_KMS("failed to send msg in q %d\n", ret); + +- txmsg->dst->tx_slots[txmsg->seqno] = NULL; ++ if (txmsg->seqno != -1) { ++ WARN_ON((unsigned int)txmsg->seqno > ++ ARRAY_SIZE(txmsg->dst->tx_slots)); ++ txmsg->dst->tx_slots[txmsg->seqno] = NULL; ++ } + } + + static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr, +diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c +index 8ad9c6b04769..5ed9b5f8a037 100644 +--- a/drivers/infiniband/core/cma.c ++++ b/drivers/infiniband/core/cma.c +@@ -4109,6 +4109,7 @@ err: + unregister_netdevice_notifier(&cma_nb); + rdma_addr_unregister_client(&addr_client); + ib_sa_unregister_client(&sa_client); ++ unregister_pernet_subsys(&cma_pernet_operations); + err_wq: + destroy_workqueue(cma_wq); + return ret; +diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c +index abb99515068b..096f3a2ba524 100644 +--- a/drivers/md/raid1.c ++++ b/drivers/md/raid1.c +@@ -2630,7 +2630,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp + write_targets++; + } + } +- if (bio->bi_end_io) { ++ if (rdev && bio->bi_end_io) { + atomic_inc(&rdev->nr_pending); + bio->bi_iter.bi_sector = sector_nr + rdev->data_offset; + bio->bi_bdev = rdev->bdev; +diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +index b7d32e8412f1..ec2122acc3c1 100644 +--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h ++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +@@ -1107,7 +1107,7 @@ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) + for (i = 0; i < E1H_FUNC_MAX / 2; i++) { + u32 func_config = + MF_CFG_RD(bp, +- func_mf_config[BP_PORT(bp) + 2 * i]. ++ func_mf_config[BP_PATH(bp) + 2 * i]. + config); + func_num += + ((func_config & FUNC_MF_CFG_FUNC_HIDE) ? 0 : 1); +diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +index 82960603da33..026c72e62c18 100644 +--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c ++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +@@ -9942,10 +9942,18 @@ static void bnx2x_recovery_failed(struct bnx2x *bp) + */ + static void bnx2x_parity_recover(struct bnx2x *bp) + { +- bool global = false; + u32 error_recovered, error_unrecovered; +- bool is_parity; ++ bool is_parity, global = false; ++#ifdef CONFIG_BNX2X_SRIOV ++ int vf_idx; ++ ++ for (vf_idx = 0; vf_idx < bp->requested_nr_virtfn; vf_idx++) { ++ struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); + ++ if (vf) ++ vf->state = VF_LOST; ++ } ++#endif + DP(NETIF_MSG_HW, "Handling parity\n"); + while (1) { + switch (bp->recovery_state) { +diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +index 6f6f13dc2be3..ab8339594cd3 100644 +--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h ++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +@@ -139,6 +139,7 @@ struct bnx2x_virtf { + #define VF_ACQUIRED 1 /* VF acquired, but not initialized */ + #define VF_ENABLED 2 /* VF Enabled */ + #define VF_RESET 3 /* VF FLR'd, pending cleanup */ ++#define VF_LOST 4 /* Recovery while VFs are loaded */ + + bool flr_clnup_stage; /* true during flr cleanup */ + +diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +index a12a4236b143..e9fc3b09dba8 100644 +--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c ++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +@@ -2095,6 +2095,18 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, + { + int i; + ++ if (vf->state == VF_LOST) { ++ /* Just ack the FW and return if VFs are lost ++ * in case of parity error. VFs are supposed to be timedout ++ * on waiting for PF response. ++ */ ++ DP(BNX2X_MSG_IOV, ++ "VF 0x%x lost, not handling the request\n", vf->abs_vfid); ++ ++ storm_memset_vf_mbx_ack(bp, vf->abs_vfid); ++ return; ++ } ++ + /* check if tlv type is known */ + if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { + /* Lock the per vf op mutex and note the locker's identity. +diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c +index 6e56c4e5ecec..31ab5e749e66 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c ++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c +@@ -53,7 +53,7 @@ static int sun7i_gmac_init(struct platform_device *pdev, void *priv) + * rate, which then uses the auto-reparenting feature of the + * clock driver, and enabling/disabling the clock. + */ +- if (gmac->interface == PHY_INTERFACE_MODE_RGMII) { ++ if (phy_interface_mode_is_rgmii(gmac->interface)) { + clk_set_rate(gmac->tx_clk, SUN7I_GMAC_GMII_RGMII_RATE); + clk_prepare_enable(gmac->tx_clk); + gmac->clk_enabled = 1; +diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c +index 4002bd90201f..eb825ea52d6b 100644 +--- a/drivers/net/macvlan.c ++++ b/drivers/net/macvlan.c +@@ -233,7 +233,7 @@ static void macvlan_broadcast(struct sk_buff *skb, + struct net_device *src, + enum macvlan_mode mode) + { +- const struct ethhdr *eth = eth_hdr(skb); ++ const struct ethhdr *eth = skb_eth_hdr(skb); + const struct macvlan_dev *vlan; + struct sk_buff *nskb; + unsigned int i; +diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c +index c813c5345a52..0d138bc60b18 100644 +--- a/drivers/net/usb/lan78xx.c ++++ b/drivers/net/usb/lan78xx.c +@@ -370,7 +370,7 @@ static int lan78xx_read_stats(struct lan78xx_net *dev, + } + } else { + netdev_warn(dev->net, +- "Failed to read stat ret = 0x%x", ret); ++ "Failed to read stat ret = %d", ret); + } + + kfree(stats); +@@ -2036,11 +2036,6 @@ int lan78xx_stop(struct net_device *net) + return 0; + } + +-static int lan78xx_linearize(struct sk_buff *skb) +-{ +- return skb_linearize(skb); +-} +- + static struct sk_buff *lan78xx_tx_prep(struct lan78xx_net *dev, + struct sk_buff *skb, gfp_t flags) + { +@@ -2051,8 +2046,10 @@ static struct sk_buff *lan78xx_tx_prep(struct lan78xx_net *dev, + return NULL; + } + +- if (lan78xx_linearize(skb) < 0) ++ if (skb_linearize(skb)) { ++ dev_kfree_skb_any(skb); + return NULL; ++ } + + tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN_MASK_) | TX_CMD_A_FCS_; + +diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c +index 536fee1e4b70..133b144ec1aa 100644 +--- a/drivers/net/vxlan.c ++++ b/drivers/net/vxlan.c +@@ -2068,7 +2068,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, + return; + } + +- tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ++ tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb); + ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); + err = vxlan_xmit_skb(rt, sk, skb, fl4.saddr, + dst->sin.sin_addr.s_addr, tos, ttl, df, +diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +index cc9648f844ae..0d757ced49ba 100644 +--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c ++++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +@@ -972,6 +972,8 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, + struct ath_htc_rx_status *rxstatus; + struct ath_rx_status rx_stats; + bool decrypt_error = false; ++ __be16 rs_datalen; ++ bool is_phyerr; + + if (skb->len < HTC_RX_FRAME_HEADER_SIZE) { + ath_err(common, "Corrupted RX frame, dropping (len: %d)\n", +@@ -981,11 +983,24 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, + + rxstatus = (struct ath_htc_rx_status *)skb->data; + +- if (be16_to_cpu(rxstatus->rs_datalen) - +- (skb->len - HTC_RX_FRAME_HEADER_SIZE) != 0) { ++ rs_datalen = be16_to_cpu(rxstatus->rs_datalen); ++ if (unlikely(rs_datalen - ++ (skb->len - HTC_RX_FRAME_HEADER_SIZE) != 0)) { + ath_err(common, + "Corrupted RX data len, dropping (dlen: %d, skblen: %d)\n", +- rxstatus->rs_datalen, skb->len); ++ rs_datalen, skb->len); ++ goto rx_next; ++ } ++ ++ is_phyerr = rxstatus->rs_status & ATH9K_RXERR_PHY; ++ /* ++ * Discard zero-length packets and packets smaller than an ACK ++ * which are not PHY_ERROR (short radar pulses have a length of 3) ++ */ ++ if (unlikely(!rs_datalen || (rs_datalen < 10 && !is_phyerr))) { ++ ath_warn(common, ++ "Short RX data len, dropping (dlen: %d)\n", ++ rs_datalen); + goto rx_next; + } + +@@ -1010,7 +1025,7 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, + * Process PHY errors and return so that the packet + * can be dropped. + */ +- if (rx_stats.rs_status & ATH9K_RXERR_PHY) { ++ if (unlikely(is_phyerr)) { + /* TODO: Not using DFS processing now. */ + if (ath_cmn_process_fft(&priv->spec_priv, hdr, + &rx_stats, rx_status->mactime)) { +diff --git a/drivers/regulator/rn5t618-regulator.c b/drivers/regulator/rn5t618-regulator.c +index b85ceb8ff911..eccdddcf5315 100644 +--- a/drivers/regulator/rn5t618-regulator.c ++++ b/drivers/regulator/rn5t618-regulator.c +@@ -95,6 +95,7 @@ static struct platform_driver rn5t618_regulator_driver = { + + module_platform_driver(rn5t618_regulator_driver); + ++MODULE_ALIAS("platform:rn5t618-regulator"); + MODULE_AUTHOR("Beniamino Galvani <b.galv...@gmail.com>"); + MODULE_DESCRIPTION("RN5T618 regulator driver"); + MODULE_LICENSE("GPL v2"); +diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c +index 60de66252fa2..b200edc665a5 100644 +--- a/drivers/scsi/libsas/sas_discover.c ++++ b/drivers/scsi/libsas/sas_discover.c +@@ -97,12 +97,21 @@ static int sas_get_port_device(struct asd_sas_port *port) + else + dev->dev_type = SAS_SATA_DEV; + dev->tproto = SAS_PROTOCOL_SATA; +- } else { ++ } else if (port->oob_mode == SAS_OOB_MODE) { + struct sas_identify_frame *id = + (struct sas_identify_frame *) dev->frame_rcvd; + dev->dev_type = id->dev_type; + dev->iproto = id->initiator_bits; + dev->tproto = id->target_bits; ++ } else { ++ /* If the oob mode is OOB_NOT_CONNECTED, the port is ++ * disconnected due to race with PHY down. We cannot ++ * continue to discover this port ++ */ ++ sas_put_device(dev); ++ pr_warn("Port %016llx is disconnected when discovering\n", ++ SAS_ADDR(port->attached_sas_addr)); ++ return -ENODEV; + } + + sas_init_dev(dev); +diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c +index 05dcc2abd541..99f06ac7bf4c 100644 +--- a/drivers/scsi/lpfc/lpfc_bsg.c ++++ b/drivers/scsi/lpfc/lpfc_bsg.c +@@ -4352,12 +4352,6 @@ lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct fc_bsg_job *job, + phba->mbox_ext_buf_ctx.seqNum++; + nemb_tp = phba->mbox_ext_buf_ctx.nembType; + +- dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); +- if (!dd_data) { +- rc = -ENOMEM; +- goto job_error; +- } +- + pbuf = (uint8_t *)dmabuf->virt; + size = job->request_payload.payload_len; + sg_copy_to_buffer(job->request_payload.sg_list, +@@ -4394,6 +4388,13 @@ lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct fc_bsg_job *job, + "2968 SLI_CONFIG ext-buffer wr all %d " + "ebuffers received\n", + phba->mbox_ext_buf_ctx.numBuf); ++ ++ dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL); ++ if (!dd_data) { ++ rc = -ENOMEM; ++ goto job_error; ++ } ++ + /* mailbox command structure for base driver */ + pmboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmboxq) { +@@ -4441,6 +4442,8 @@ lpfc_bsg_write_ebuf_set(struct lpfc_hba *phba, struct fc_bsg_job *job, + return SLI_CONFIG_HANDLED; + + job_error: ++ if (pmboxq) ++ mempool_free(pmboxq, phba->mbox_mem_pool); + lpfc_bsg_dma_page_free(phba, dmabuf); + kfree(dd_data); + +diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c +index 440d79e6aea5..dc7cef6ff829 100644 +--- a/drivers/scsi/qla2xxx/qla_isr.c ++++ b/drivers/scsi/qla2xxx/qla_isr.c +@@ -966,8 +966,6 @@ global_port_update: + ql_dbg(ql_dbg_async, vha, 0x5011, + "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", + mb[1], mb[2], mb[3]); +- +- qlt_async_event(mb[0], vha, mb); + break; + } + +@@ -988,8 +986,6 @@ global_port_update: + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); + set_bit(VP_CONFIG_OK, &vha->vp_flags); +- +- qlt_async_event(mb[0], vha, mb); + break; + + case MBA_RSCN_UPDATE: /* State Change Registration */ +diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c +index d220b4f691c7..f714d5f917d1 100644 +--- a/drivers/scsi/qla4xxx/ql4_os.c ++++ b/drivers/scsi/qla4xxx/ql4_os.c +@@ -4285,7 +4285,6 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) + return QLA_SUCCESS; + + mem_alloc_error_exit: +- qla4xxx_mem_free(ha); + return QLA_ERROR; + } + +diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c +index f575a9b5ede7..1d671d058dcb 100644 +--- a/drivers/tty/hvc/hvc_vio.c ++++ b/drivers/tty/hvc/hvc_vio.c +@@ -122,6 +122,14 @@ static int hvterm_raw_get_chars(uint32_t vtermno, char *buf, int count) + return got; + } + ++/** ++ * hvterm_raw_put_chars: send characters to firmware for given vterm adapter ++ * @vtermno: The virtual terminal number. ++ * @buf: The characters to send. Because of the underlying hypercall in ++ * hvc_put_chars(), this buffer must be at least 16 bytes long, even if ++ * you are sending fewer chars. ++ * @count: number of chars to send. ++ */ + static int hvterm_raw_put_chars(uint32_t vtermno, const char *buf, int count) + { + struct hvterm_priv *pv = hvterm_privs[vtermno]; +@@ -234,6 +242,7 @@ static const struct hv_ops hvterm_hvsi_ops = { + static void udbg_hvc_putc(char c) + { + int count = -1; ++ unsigned char bounce_buffer[16]; + + if (!hvterm_privs[0]) + return; +@@ -244,7 +253,12 @@ static void udbg_hvc_putc(char c) + do { + switch(hvterm_privs[0]->proto) { + case HV_PROTOCOL_RAW: +- count = hvterm_raw_put_chars(0, &c, 1); ++ /* ++ * hvterm_raw_put_chars requires at least a 16-byte ++ * buffer, so go via the bounce buffer ++ */ ++ bounce_buffer[0] = c; ++ count = hvterm_raw_put_chars(0, bounce_buffer, 1); + break; + case HV_PROTOCOL_HVSI: + count = hvterm_hvsi_put_chars(0, &c, 1); +diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c +index 03cac2183579..1a4df5005aec 100644 +--- a/drivers/tty/serial/msm_serial.c ++++ b/drivers/tty/serial/msm_serial.c +@@ -1381,6 +1381,7 @@ static void __msm_console_write(struct uart_port *port, const char *s, + int num_newlines = 0; + bool replaced = false; + void __iomem *tf; ++ int locked = 1; + + if (is_uartdm) + tf = port->membase + UARTDM_TF; +@@ -1393,7 +1394,13 @@ static void __msm_console_write(struct uart_port *port, const char *s, + num_newlines++; + count += num_newlines; + +- spin_lock(&port->lock); ++ if (port->sysrq) ++ locked = 0; ++ else if (oops_in_progress) ++ locked = spin_trylock(&port->lock); ++ else ++ spin_lock(&port->lock); ++ + if (is_uartdm) + msm_reset_dm_count(port, count); + +@@ -1429,7 +1436,9 @@ static void __msm_console_write(struct uart_port *port, const char *s, + iowrite32_rep(tf, buf, 1); + i += num_chars; + } +- spin_unlock(&port->lock); ++ ++ if (locked) ++ spin_unlock(&port->lock); + } + + static void msm_console_write(struct console *co, const char *s, +diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c +index cbd064fae23b..d650ce3bc556 100644 +--- a/drivers/usb/core/config.c ++++ b/drivers/usb/core/config.c +@@ -169,9 +169,58 @@ static const unsigned short super_speed_maxpacket_maxes[4] = { + [USB_ENDPOINT_XFER_INT] = 1024, + }; + +-static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, +- int asnum, struct usb_host_interface *ifp, int num_ep, +- unsigned char *buffer, int size) ++static bool endpoint_is_duplicate(struct usb_endpoint_descriptor *e1, ++ struct usb_endpoint_descriptor *e2) ++{ ++ if (e1->bEndpointAddress == e2->bEndpointAddress) ++ return true; ++ ++ if (usb_endpoint_xfer_control(e1) || usb_endpoint_xfer_control(e2)) { ++ if (usb_endpoint_num(e1) == usb_endpoint_num(e2)) ++ return true; ++ } ++ ++ return false; ++} ++ ++/* ++ * Check for duplicate endpoint addresses in other interfaces and in the ++ * altsetting currently being parsed. ++ */ ++static bool config_endpoint_is_duplicate(struct usb_host_config *config, ++ int inum, int asnum, struct usb_endpoint_descriptor *d) ++{ ++ struct usb_endpoint_descriptor *epd; ++ struct usb_interface_cache *intfc; ++ struct usb_host_interface *alt; ++ int i, j, k; ++ ++ for (i = 0; i < config->desc.bNumInterfaces; ++i) { ++ intfc = config->intf_cache[i]; ++ ++ for (j = 0; j < intfc->num_altsetting; ++j) { ++ alt = &intfc->altsetting[j]; ++ ++ if (alt->desc.bInterfaceNumber == inum && ++ alt->desc.bAlternateSetting != asnum) ++ continue; ++ ++ for (k = 0; k < alt->desc.bNumEndpoints; ++k) { ++ epd = &alt->endpoint[k].desc; ++ ++ if (endpoint_is_duplicate(epd, d)) ++ return true; ++ } ++ } ++ } ++ ++ return false; ++} ++ ++static int usb_parse_endpoint(struct device *ddev, int cfgno, ++ struct usb_host_config *config, int inum, int asnum, ++ struct usb_host_interface *ifp, int num_ep, ++ unsigned char *buffer, int size) + { + unsigned char *buffer0 = buffer; + struct usb_endpoint_descriptor *d; +@@ -208,13 +257,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, + goto skip_to_next_endpoint_or_interface_descriptor; + + /* Check for duplicate endpoint addresses */ +- for (i = 0; i < ifp->desc.bNumEndpoints; ++i) { +- if (ifp->endpoint[i].desc.bEndpointAddress == +- d->bEndpointAddress) { +- dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", +- cfgno, inum, asnum, d->bEndpointAddress); +- goto skip_to_next_endpoint_or_interface_descriptor; +- } ++ if (config_endpoint_is_duplicate(config, inum, asnum, d)) { ++ dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", ++ cfgno, inum, asnum, d->bEndpointAddress); ++ goto skip_to_next_endpoint_or_interface_descriptor; + } + + endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; +@@ -488,8 +534,8 @@ static int usb_parse_interface(struct device *ddev, int cfgno, + if (((struct usb_descriptor_header *) buffer)->bDescriptorType + == USB_DT_INTERFACE) + break; +- retval = usb_parse_endpoint(ddev, cfgno, inum, asnum, alt, +- num_ep, buffer, size); ++ retval = usb_parse_endpoint(ddev, cfgno, config, inum, asnum, ++ alt, num_ep, buffer, size); + if (retval < 0) + return retval; + ++n; +diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c +index 7ad60ee41914..4ce19b860289 100644 +--- a/drivers/usb/gadget/function/f_ecm.c ++++ b/drivers/usb/gadget/function/f_ecm.c +@@ -625,8 +625,12 @@ static void ecm_disable(struct usb_function *f) + + DBG(cdev, "ecm deactivated\n"); + +- if (ecm->port.in_ep->enabled) ++ if (ecm->port.in_ep->enabled) { + gether_disconnect(&ecm->port); ++ } else { ++ ecm->port.in_ep->desc = NULL; ++ ecm->port.out_ep->desc = NULL; ++ } + + usb_ep_disable(ecm->notify); + ecm->notify->desc = NULL; +diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c +index e587767e374c..e281af92e084 100644 +--- a/drivers/usb/gadget/function/f_rndis.c ++++ b/drivers/usb/gadget/function/f_rndis.c +@@ -619,6 +619,7 @@ static void rndis_disable(struct usb_function *f) + gether_disconnect(&rndis->port); + + usb_ep_disable(rndis->notify); ++ rndis->notify->desc = NULL; + } + + /*-------------------------------------------------------------------------*/ +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index 084332a5855e..2d302ff62cc1 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -1167,6 +1167,8 @@ static const struct usb_device_id option_ids[] = { + .driver_info = NCTRL(0) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */ + .driver_info = NCTRL(0) }, ++ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff), /* Telit ME910G1 */ ++ .driver_info = NCTRL(0) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), +diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c +index cfab1d24e4bc..1c789056e7e8 100644 +--- a/drivers/xen/balloon.c ++++ b/drivers/xen/balloon.c +@@ -392,7 +392,8 @@ static struct notifier_block xen_memory_nb = { + #else + static enum bp_state reserve_additional_memory(void) + { +- balloon_stats.target_pages = balloon_stats.current_pages; ++ balloon_stats.target_pages = balloon_stats.current_pages + ++ balloon_stats.target_unpopulated; + return BP_ECANCELED; + } + #endif /* CONFIG_XEN_BALLOON_MEMORY_HOTPLUG */ +diff --git a/fs/locks.c b/fs/locks.c +index b515e65f1376..2c8e1e429cf7 100644 +--- a/fs/locks.c ++++ b/fs/locks.c +@@ -2599,7 +2599,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, + } + if (inode) { + /* userspace relies on this representation of dev_t */ +- seq_printf(f, "%d %02x:%02x:%ld ", fl_pid, ++ seq_printf(f, "%d %02x:%02x:%lu ", fl_pid, + MAJOR(inode->i_sb->s_dev), + MINOR(inode->i_sb->s_dev), inode->i_ino); + } else { +diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c +index 59d93acc29c7..fa0e89edb62d 100644 +--- a/fs/pstore/ram.c ++++ b/fs/pstore/ram.c +@@ -319,6 +319,17 @@ static int notrace ramoops_pstore_write_buf(enum pstore_type_id type, + + prz = cxt->przs[cxt->dump_write_cnt]; + ++ /* ++ * Since this is a new crash dump, we need to reset the buffer in ++ * case it still has an old dump present. Without this, the new dump ++ * will get appended, which would seriously confuse anything trying ++ * to check dump file contents. Specifically, ramoops_read_kmsg_hdr() ++ * expects to find a dump header in the beginning of buffer data, so ++ * we must to reset the buffer values, in order to ensure that the ++ * header will be written to the beginning of the buffer. ++ */ ++ persistent_ram_zap(prz); ++ + hlen = ramoops_write_kmsg_hdr(prz, compressed); + if (size + hlen > prz->buffer_size) + size = prz->buffer_size - hlen; +diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c +index 73b725f965eb..065aa4752607 100644 +--- a/fs/xfs/xfs_log.c ++++ b/fs/xfs/xfs_log.c +@@ -1503,6 +1503,8 @@ out_free_iclog: + if (iclog->ic_bp) + xfs_buf_free(iclog->ic_bp); + kmem_free(iclog); ++ if (prev_iclog == log->l_iclog) ++ break; + } + spinlock_destroy(&log->l_icloglock); + xfs_buf_free(log->l_xbuf); +diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h +index a16d1851cfb1..f1bd19c69fec 100644 +--- a/include/linux/dmaengine.h ++++ b/include/linux/dmaengine.h +@@ -1207,8 +1207,11 @@ static inline int dma_get_slave_caps(struct dma_chan *chan, + static inline int dmaengine_desc_set_reuse(struct dma_async_tx_descriptor *tx) + { + struct dma_slave_caps caps; ++ int ret; + +- dma_get_slave_caps(tx->chan, &caps); ++ ret = dma_get_slave_caps(tx->chan, &caps); ++ if (ret) ++ return ret; + + if (caps.descriptor_reuse) { + tx->flags |= DMA_CTRL_REUSE; +diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h +index d5569734f672..676cf8d0acca 100644 +--- a/include/linux/if_ether.h ++++ b/include/linux/if_ether.h +@@ -28,6 +28,14 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) + return (struct ethhdr *)skb_mac_header(skb); + } + ++/* Prefer this version in TX path, instead of ++ * skb_reset_mac_header() + eth_hdr() ++ */ ++static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb) ++{ ++ return (struct ethhdr *)skb->data; ++} ++ + int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); + + extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); +diff --git a/include/net/neighbour.h b/include/net/neighbour.h +index 1c0d07376125..a68a460fa4f3 100644 +--- a/include/net/neighbour.h ++++ b/include/net/neighbour.h +@@ -454,7 +454,7 @@ static inline int neigh_hh_output(const struct hh_cache *hh, struct sk_buff *skb + + do { + seq = read_seqbegin(&hh->hh_lock); +- hh_len = hh->hh_len; ++ hh_len = READ_ONCE(hh->hh_len); + if (likely(hh_len <= HH_DATA_MOD)) { + hh_alen = HH_DATA_MOD; + +diff --git a/include/uapi/linux/netfilter/xt_sctp.h b/include/uapi/linux/netfilter/xt_sctp.h +index 29287be696a2..788b77c347a0 100644 +--- a/include/uapi/linux/netfilter/xt_sctp.h ++++ b/include/uapi/linux/netfilter/xt_sctp.h +@@ -40,19 +40,19 @@ struct xt_sctp_info { + #define SCTP_CHUNKMAP_SET(chunkmap, type) \ + do { \ + (chunkmap)[type / bytes(__u32)] |= \ +- 1 << (type % bytes(__u32)); \ ++ 1u << (type % bytes(__u32)); \ + } while (0) + + #define SCTP_CHUNKMAP_CLEAR(chunkmap, type) \ + do { \ + (chunkmap)[type / bytes(__u32)] &= \ +- ~(1 << (type % bytes(__u32))); \ ++ ~(1u << (type % bytes(__u32))); \ + } while (0) + + #define SCTP_CHUNKMAP_IS_SET(chunkmap, type) \ + ({ \ + ((chunkmap)[type / bytes (__u32)] & \ +- (1 << (type % bytes (__u32)))) ? 1: 0; \ ++ (1u << (type % bytes (__u32)))) ? 1: 0; \ + }) + + #define SCTP_CHUNKMAP_RESET(chunkmap) \ +diff --git a/kernel/locking/spinlock_debug.c b/kernel/locking/spinlock_debug.c +index 0374a596cffa..95e610e3f7ef 100644 +--- a/kernel/locking/spinlock_debug.c ++++ b/kernel/locking/spinlock_debug.c +@@ -51,19 +51,19 @@ EXPORT_SYMBOL(__rwlock_init); + + static void spin_dump(raw_spinlock_t *lock, const char *msg) + { +- struct task_struct *owner = NULL; ++ struct task_struct *owner = READ_ONCE(lock->owner); + +- if (lock->owner && lock->owner != SPINLOCK_OWNER_INIT) +- owner = lock->owner; ++ if (owner == SPINLOCK_OWNER_INIT) ++ owner = NULL; + printk(KERN_EMERG "BUG: spinlock %s on CPU#%d, %s/%d\n", + msg, raw_smp_processor_id(), + current->comm, task_pid_nr(current)); + printk(KERN_EMERG " lock: %pS, .magic: %08x, .owner: %s/%d, " + ".owner_cpu: %d\n", +- lock, lock->magic, ++ lock, READ_ONCE(lock->magic), + owner ? owner->comm : "<none>", + owner ? task_pid_nr(owner) : -1, +- lock->owner_cpu); ++ READ_ONCE(lock->owner_cpu)); + dump_stack(); + } + +@@ -80,16 +80,16 @@ static void spin_bug(raw_spinlock_t *lock, const char *msg) + static inline void + debug_spin_lock_before(raw_spinlock_t *lock) + { +- SPIN_BUG_ON(lock->magic != SPINLOCK_MAGIC, lock, "bad magic"); +- SPIN_BUG_ON(lock->owner == current, lock, "recursion"); +- SPIN_BUG_ON(lock->owner_cpu == raw_smp_processor_id(), ++ SPIN_BUG_ON(READ_ONCE(lock->magic) != SPINLOCK_MAGIC, lock, "bad magic"); ++ SPIN_BUG_ON(READ_ONCE(lock->owner) == current, lock, "recursion"); ++ SPIN_BUG_ON(READ_ONCE(lock->owner_cpu) == raw_smp_processor_id(), + lock, "cpu recursion"); + } + + static inline void debug_spin_lock_after(raw_spinlock_t *lock) + { +- lock->owner_cpu = raw_smp_processor_id(); +- lock->owner = current; ++ WRITE_ONCE(lock->owner_cpu, raw_smp_processor_id()); ++ WRITE_ONCE(lock->owner, current); + } + + static inline void debug_spin_unlock(raw_spinlock_t *lock) +@@ -99,8 +99,8 @@ static inline void debug_spin_unlock(raw_spinlock_t *lock) + SPIN_BUG_ON(lock->owner != current, lock, "wrong owner"); + SPIN_BUG_ON(lock->owner_cpu != raw_smp_processor_id(), + lock, "wrong CPU"); +- lock->owner = SPINLOCK_OWNER_INIT; +- lock->owner_cpu = -1; ++ WRITE_ONCE(lock->owner, SPINLOCK_OWNER_INIT); ++ WRITE_ONCE(lock->owner_cpu, -1); + } + + static void __spin_lock_debug(raw_spinlock_t *lock) +@@ -233,8 +233,8 @@ static inline void debug_write_lock_before(rwlock_t *lock) + + static inline void debug_write_lock_after(rwlock_t *lock) + { +- lock->owner_cpu = raw_smp_processor_id(); +- lock->owner = current; ++ WRITE_ONCE(lock->owner_cpu, raw_smp_processor_id()); ++ WRITE_ONCE(lock->owner, current); + } + + static inline void debug_write_unlock(rwlock_t *lock) +@@ -243,8 +243,8 @@ static inline void debug_write_unlock(rwlock_t *lock) + RWLOCK_BUG_ON(lock->owner != current, lock, "wrong owner"); + RWLOCK_BUG_ON(lock->owner_cpu != raw_smp_processor_id(), + lock, "wrong CPU"); +- lock->owner = SPINLOCK_OWNER_INIT; +- lock->owner_cpu = -1; ++ WRITE_ONCE(lock->owner, SPINLOCK_OWNER_INIT); ++ WRITE_ONCE(lock->owner_cpu, -1); + } + + #if 0 /* This can cause lockups */ +diff --git a/kernel/taskstats.c b/kernel/taskstats.c +index 21f82c29c914..0737a50380d7 100644 +--- a/kernel/taskstats.c ++++ b/kernel/taskstats.c +@@ -582,25 +582,33 @@ static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info) + static struct taskstats *taskstats_tgid_alloc(struct task_struct *tsk) + { + struct signal_struct *sig = tsk->signal; +- struct taskstats *stats; ++ struct taskstats *stats_new, *stats; + +- if (sig->stats || thread_group_empty(tsk)) +- goto ret; ++ /* Pairs with smp_store_release() below. */ ++ stats = smp_load_acquire(&sig->stats); ++ if (stats || thread_group_empty(tsk)) ++ return stats; + + /* No problem if kmem_cache_zalloc() fails */ +- stats = kmem_cache_zalloc(taskstats_cache, GFP_KERNEL); ++ stats_new = kmem_cache_zalloc(taskstats_cache, GFP_KERNEL); + + spin_lock_irq(&tsk->sighand->siglock); +- if (!sig->stats) { +- sig->stats = stats; +- stats = NULL; ++ stats = sig->stats; ++ if (!stats) { ++ /* ++ * Pairs with smp_store_release() above and order the ++ * kmem_cache_zalloc(). ++ */ ++ smp_store_release(&sig->stats, stats_new); ++ stats = stats_new; ++ stats_new = NULL; + } + spin_unlock_irq(&tsk->sighand->siglock); + +- if (stats) +- kmem_cache_free(taskstats_cache, stats); +-ret: +- return sig->stats; ++ if (stats_new) ++ kmem_cache_free(taskstats_cache, stats_new); ++ ++ return stats; + } + + /* Send pid data out on exit */ +diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c +index 6380ec0453e0..e4c6f89b6b11 100644 +--- a/kernel/trace/ftrace.c ++++ b/kernel/trace/ftrace.c +@@ -637,8 +637,7 @@ static int function_stat_show(struct seq_file *m, void *v) + } + + #ifdef CONFIG_FUNCTION_GRAPH_TRACER +- avg = rec->time; +- do_div(avg, rec->counter); ++ avg = div64_ul(rec->time, rec->counter); + if (tracing_thresh && (avg < tracing_thresh)) + goto out; + #endif +@@ -664,7 +663,8 @@ static int function_stat_show(struct seq_file *m, void *v) + * Divide only 1000 for ns^2 -> us^2 conversion. + * trace_print_graph_duration will divide 1000 again. + */ +- do_div(stddev, rec->counter * (rec->counter - 1) * 1000); ++ stddev = div64_ul(stddev, ++ rec->counter * (rec->counter - 1) * 1000); + } + + trace_seq_init(&s); +diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h +index cc1557978066..ecdfeaafba9c 100644 +--- a/net/8021q/vlan.h ++++ b/net/8021q/vlan.h +@@ -109,6 +109,7 @@ int vlan_check_real_dev(struct net_device *real_dev, + void vlan_setup(struct net_device *dev); + int register_vlan_dev(struct net_device *dev); + void unregister_vlan_dev(struct net_device *dev, struct list_head *head); ++void vlan_dev_uninit(struct net_device *dev); + bool vlan_dev_inherit_address(struct net_device *dev, + struct net_device *real_dev); + +diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c +index 5139c4ebb96b..22f4e5292278 100644 +--- a/net/8021q/vlan_dev.c ++++ b/net/8021q/vlan_dev.c +@@ -606,7 +606,8 @@ static int vlan_dev_init(struct net_device *dev) + return 0; + } + +-static void vlan_dev_uninit(struct net_device *dev) ++/* Note: this function might be called multiple times for the same device. */ ++void vlan_dev_uninit(struct net_device *dev) + { + struct vlan_priority_tci_mapping *pm; + struct vlan_dev_priv *vlan = vlan_dev_priv(dev); +diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c +index c92b52f37d38..7c95a16c1cef 100644 +--- a/net/8021q/vlan_netlink.c ++++ b/net/8021q/vlan_netlink.c +@@ -92,11 +92,13 @@ static int vlan_changelink(struct net_device *dev, + struct ifla_vlan_flags *flags; + struct ifla_vlan_qos_mapping *m; + struct nlattr *attr; +- int rem; ++ int rem, err; + + if (data[IFLA_VLAN_FLAGS]) { + flags = nla_data(data[IFLA_VLAN_FLAGS]); +- vlan_dev_change_flags(dev, flags->flags, flags->mask); ++ err = vlan_dev_change_flags(dev, flags->flags, flags->mask); ++ if (err) ++ return err; + } + if (data[IFLA_VLAN_INGRESS_QOS]) { + nla_for_each_nested(attr, data[IFLA_VLAN_INGRESS_QOS], rem) { +@@ -107,7 +109,9 @@ static int vlan_changelink(struct net_device *dev, + if (data[IFLA_VLAN_EGRESS_QOS]) { + nla_for_each_nested(attr, data[IFLA_VLAN_EGRESS_QOS], rem) { + m = nla_data(attr); +- vlan_dev_set_egress_priority(dev, m->from, m->to); ++ err = vlan_dev_set_egress_priority(dev, m->from, m->to); ++ if (err) ++ return err; + } + } + return 0; +@@ -150,10 +154,11 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev, + return -EINVAL; + + err = vlan_changelink(dev, tb, data); +- if (err < 0) +- return err; +- +- return register_vlan_dev(dev); ++ if (!err) ++ err = register_vlan_dev(dev); ++ if (err) ++ vlan_dev_uninit(dev); ++ return err; + } + + static inline size_t vlan_qos_map_size(unsigned int n) +diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c +index 302c3bacb024..0e31bbe1256c 100644 +--- a/net/bluetooth/l2cap_core.c ++++ b/net/bluetooth/l2cap_core.c +@@ -4897,10 +4897,8 @@ void __l2cap_physical_cfm(struct l2cap_chan *chan, int result) + BT_DBG("chan %p, result %d, local_amp_id %d, remote_amp_id %d", + chan, result, local_amp_id, remote_amp_id); + +- if (chan->state == BT_DISCONN || chan->state == BT_CLOSED) { +- l2cap_chan_unlock(chan); ++ if (chan->state == BT_DISCONN || chan->state == BT_CLOSED) + return; +- } + + if (chan->state != BT_CONNECTED) { + l2cap_do_create(chan, result, local_amp_id, remote_amp_id); +diff --git a/net/core/neighbour.c b/net/core/neighbour.c +index 8aef689b8f32..af1ecd0e7b07 100644 +--- a/net/core/neighbour.c ++++ b/net/core/neighbour.c +@@ -1058,7 +1058,7 @@ static void neigh_update_hhs(struct neighbour *neigh) + + if (update) { + hh = &neigh->hh; +- if (hh->hh_len) { ++ if (READ_ONCE(hh->hh_len)) { + write_seqlock_bh(&hh->hh_lock); + update(hh, neigh->dev, neigh->ha); + write_sequnlock_bh(&hh->hh_lock); +@@ -1323,7 +1323,7 @@ int neigh_resolve_output(struct neighbour *neigh, struct sk_buff *skb) + struct net_device *dev = neigh->dev; + unsigned int seq; + +- if (dev->header_ops->cache && !neigh->hh.hh_len) ++ if (dev->header_ops->cache && !READ_ONCE(neigh->hh.hh_len)) + neigh_hh_init(neigh); + + do { +diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c +index 52dcd414c2af..3f51b4e590b1 100644 +--- a/net/ethernet/eth.c ++++ b/net/ethernet/eth.c +@@ -235,7 +235,12 @@ int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 + eth->h_proto = type; + memcpy(eth->h_source, dev->dev_addr, ETH_ALEN); + memcpy(eth->h_dest, neigh->ha, ETH_ALEN); +- hh->hh_len = ETH_HLEN; ++ ++ /* Pairs with READ_ONCE() in neigh_resolve_output(), ++ * neigh_hh_output() and neigh_update_hhs(). ++ */ ++ smp_store_release(&hh->hh_len, ETH_HLEN); ++ + return 0; + } + EXPORT_SYMBOL(eth_header_cache); +diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c +index b0677b265b48..1abf88aec19d 100644 +--- a/net/ipv4/tcp_input.c ++++ b/net/ipv4/tcp_input.c +@@ -1685,8 +1685,11 @@ tcp_sacktag_write_queue(struct sock *sk, const struct sk_buff *ack_skb, + } + + /* Ignore very old stuff early */ +- if (!after(sp[used_sacks].end_seq, prior_snd_una)) ++ if (!after(sp[used_sacks].end_seq, prior_snd_una)) { ++ if (i == 0) ++ first_sack_index = -1; + continue; ++ } + + used_sacks++; + } +diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c +index 204a8351efff..c29170e767a8 100644 +--- a/net/llc/llc_station.c ++++ b/net/llc/llc_station.c +@@ -32,7 +32,7 @@ static int llc_stat_ev_rx_null_dsap_xid_c(struct sk_buff *skb) + return LLC_PDU_IS_CMD(pdu) && /* command PDU */ + LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */ + LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_XID && +- !pdu->dsap ? 0 : 1; /* NULL DSAP value */ ++ !pdu->dsap; /* NULL DSAP value */ + } + + static int llc_stat_ev_rx_null_dsap_test_c(struct sk_buff *skb) +@@ -42,7 +42,7 @@ static int llc_stat_ev_rx_null_dsap_test_c(struct sk_buff *skb) + return LLC_PDU_IS_CMD(pdu) && /* command PDU */ + LLC_PDU_TYPE_IS_U(pdu) && /* U type PDU */ + LLC_U_PDU_CMD(pdu) == LLC_1_PDU_CMD_TEST && +- !pdu->dsap ? 0 : 1; /* NULL DSAP */ ++ !pdu->dsap; /* NULL DSAP */ + } + + static int llc_station_ac_send_xid_r(struct sk_buff *skb) +diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c +index 3a24c01cb909..f324a1124418 100644 +--- a/net/netfilter/nf_conntrack_netlink.c ++++ b/net/netfilter/nf_conntrack_netlink.c +@@ -3390,6 +3390,9 @@ static void __net_exit ctnetlink_net_exit_batch(struct list_head *net_exit_list) + + list_for_each_entry(net, net_exit_list, exit_list) + ctnetlink_net_exit(net); ++ ++ /* wait for other cpus until they are done with ctnl_notifiers */ ++ synchronize_rcu(); + } + + static struct pernet_operations ctnetlink_net_ops = { +diff --git a/net/rfkill/core.c b/net/rfkill/core.c +index cf5b69ab1829..ad927a6ca2a1 100644 +--- a/net/rfkill/core.c ++++ b/net/rfkill/core.c +@@ -941,10 +941,13 @@ static void rfkill_sync_work(struct work_struct *work) + int __must_check rfkill_register(struct rfkill *rfkill) + { + static unsigned long rfkill_no; +- struct device *dev = &rfkill->dev; ++ struct device *dev; + int error; + +- BUG_ON(!rfkill); ++ if (!rfkill) ++ return -EINVAL; ++ ++ dev = &rfkill->dev; + + mutex_lock(&rfkill_global_mutex); + +diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c +index 117ed90c5f21..fb99872ef426 100644 +--- a/net/sched/sch_fq.c ++++ b/net/sched/sch_fq.c +@@ -706,7 +706,7 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) + if (tb[TCA_FQ_QUANTUM]) { + u32 quantum = nla_get_u32(tb[TCA_FQ_QUANTUM]); + +- if (quantum > 0) ++ if (quantum > 0 && quantum <= (1 << 20)) + q->quantum = quantum; + else + err = -EINVAL; +diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c +index 7c220e905168..8e2e10d12728 100644 +--- a/net/sctp/sm_sideeffect.c ++++ b/net/sctp/sm_sideeffect.c +@@ -1333,8 +1333,10 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, + /* Generate an INIT ACK chunk. */ + new_obj = sctp_make_init_ack(asoc, chunk, GFP_ATOMIC, + 0); +- if (!new_obj) +- goto nomem; ++ if (!new_obj) { ++ error = -ENOMEM; ++ break; ++ } + + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, + SCTP_CHUNK(new_obj)); +@@ -1356,7 +1358,8 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, + if (!new_obj) { + if (cmd->obj.chunk) + sctp_chunk_free(cmd->obj.chunk); +- goto nomem; ++ error = -ENOMEM; ++ break; + } + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, + SCTP_CHUNK(new_obj)); +@@ -1403,8 +1406,10 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, + + /* Generate a SHUTDOWN chunk. */ + new_obj = sctp_make_shutdown(asoc, chunk); +- if (!new_obj) +- goto nomem; ++ if (!new_obj) { ++ error = -ENOMEM; ++ break; ++ } + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, + SCTP_CHUNK(new_obj)); + break; +@@ -1733,11 +1738,17 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, + break; + } + +- if (error) ++ if (error) { ++ cmd = sctp_next_cmd(commands); ++ while (cmd) { ++ if (cmd->verb == SCTP_CMD_REPLY) ++ sctp_chunk_free(cmd->obj.chunk); ++ cmd = sctp_next_cmd(commands); ++ } + break; ++ } + } + +-out: + /* If this is in response to a received chunk, wait until + * we are done with the packet to open the queue so that we don't + * send multiple packets in response to a single request. +@@ -1748,8 +1759,5 @@ out: + } else if (local_cork) + error = sctp_outq_uncork(&asoc->outqueue); + return error; +-nomem: +- error = -ENOMEM; +- goto out; + } + +diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c +index ed29bad1f03a..96420b620963 100644 +--- a/scripts/kconfig/expr.c ++++ b/scripts/kconfig/expr.c +@@ -201,6 +201,13 @@ static int expr_eq(struct expr *e1, struct expr *e2) + { + int res, old_count; + ++ /* ++ * A NULL expr is taken to be yes, but there's also a different way to ++ * represent yes. expr_is_yes() checks for either representation. ++ */ ++ if (!e1 || !e2) ++ return expr_is_yes(e1) && expr_is_yes(e2); ++ + if (e1->type != e2->type) + return 0; + switch (e1->type) { +diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c +index 9d7582c90a95..c67d379cb6d6 100644 +--- a/sound/isa/cs423x/cs4236.c ++++ b/sound/isa/cs423x/cs4236.c +@@ -293,7 +293,8 @@ static int snd_cs423x_pnp_init_mpu(int dev, struct pnp_dev *pdev) + } else { + mpu_port[dev] = pnp_port_start(pdev, 0); + if (mpu_irq[dev] >= 0 && +- pnp_irq_valid(pdev, 0) && pnp_irq(pdev, 0) >= 0) { ++ pnp_irq_valid(pdev, 0) && ++ pnp_irq(pdev, 0) != (resource_size_t)-1) { + mpu_irq[dev] = pnp_irq(pdev, 0); + } else { + mpu_irq[dev] = -1; /* disable interrupt */ +diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c +index 0b22c00642bb..6a1de2cd27bf 100644 +--- a/sound/pci/ice1712/ice1724.c ++++ b/sound/pci/ice1712/ice1724.c +@@ -663,6 +663,7 @@ static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate, + unsigned long flags; + unsigned char mclk_change; + unsigned int i, old_rate; ++ bool call_set_rate = false; + + if (rate > ice->hw_rates->list[ice->hw_rates->count - 1]) + return -EINVAL; +@@ -686,7 +687,7 @@ static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate, + * setting clock rate for internal clock mode */ + old_rate = ice->get_rate(ice); + if (force || (old_rate != rate)) +- ice->set_rate(ice, rate); ++ call_set_rate = true; + else if (rate == ice->cur_rate) { + spin_unlock_irqrestore(&ice->reg_lock, flags); + return 0; +@@ -694,12 +695,14 @@ static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate, + } + + ice->cur_rate = rate; ++ spin_unlock_irqrestore(&ice->reg_lock, flags); ++ ++ if (call_set_rate) ++ ice->set_rate(ice, rate); + + /* setting master clock */ + mclk_change = ice->set_mclk(ice, rate); + +- spin_unlock_irqrestore(&ice->reg_lock, flags); +- + if (mclk_change && ice->gpio.i2s_mclk_changed) + ice->gpio.i2s_mclk_changed(ice); + if (ice->gpio.set_pro_rate) +diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c +index a7e79784fc16..4a3ce9b85253 100644 +--- a/sound/soc/codecs/wm8962.c ++++ b/sound/soc/codecs/wm8962.c +@@ -2792,7 +2792,7 @@ static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, + + if (target % Fref == 0) { + fll_div->theta = 0; +- fll_div->lambda = 0; ++ fll_div->lambda = 1; + } else { + gcd_fll = gcd(target, fratio * Fref); + +@@ -2862,7 +2862,7 @@ static int wm8962_set_fll(struct snd_soc_codec *codec, int fll_id, int source, + return -EINVAL; + } + +- if (fll_div.theta || fll_div.lambda) ++ if (fll_div.theta) + fll1 |= WM8962_FLL_FRAC; + + /* Stop the FLL while we reconfigure */ +diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c +index 0f7ebac1846b..f256fac1e722 100644 +--- a/tools/perf/builtin-report.c ++++ b/tools/perf/builtin-report.c +@@ -285,13 +285,6 @@ 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; + } +
