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This is the 4.4.178 stable release

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Merge 4.4.178 into android-4.4

Changes in 4.4.178
	mmc: pxamci: fix enum type confusion
	drm/vmwgfx: Don't double-free the mode stored in par->set_mode
	udf: Fix crash on IO error during truncate
	mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction.
	MIPS: Fix kernel crash for R6 in jump label branch function
	futex: Ensure that futex address is aligned in handle_futex_death()
	ext4: fix NULL pointer dereference while journal is aborted
	ext4: fix data corruption caused by unaligned direct AIO
	ext4: brelse all indirect buffer in ext4_ind_remove_space()
	mmc: tmio_mmc_core: don't claim spurious interrupts
	media: v4l2-ctrls.c/uvc: zero v4l2_event
	locking/lockdep: Add debug_locks check in __lock_downgrade()
	ALSA: hda - Record the current power state before suspend/resume calls
	ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
	mmc: pwrseq_simple: Make reset-gpios optional to match doc
	mmc: debugfs: Add a restriction to mmc debugfs clock setting
	mmc: make MAN_BKOPS_EN message a debug
	mmc: sanitize 'bus width' in debug output
	mmc: core: shut up "voltage-ranges unspecified" pr_info()
	usb: dwc3: gadget: Fix suspend/resume during device mode
	arm64: mm: Add trace_irqflags annotations to do_debug_exception()
	mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
	mm/rmap: replace BUG_ON(anon_vma->degree) with VM_WARN_ON
	extcon: usb-gpio: Don't miss event during suspend/resume
	kbuild: setlocalversion: print error to STDERR
	usb: gadget: composite: fix dereference after null check coverify warning
	usb: gadget: Add the gserial port checking in gs_start_tx()
	tcp/dccp: drop SYN packets if accept queue is full
	serial: sprd: adjust TIMEOUT to a big value
	Hang/soft lockup in d_invalidate with simultaneous calls
	arm64: traps: disable irq in die()
	usb: renesas_usbhs: gadget: fix unused-but-set-variable warning
	serial: sprd: clear timeout interrupt only rather than all interrupts
	lib/int_sqrt: optimize small argument
	USB: core: only clean up what we allocated
	rtc: Fix overflow when converting time64_t to rtc_time
	ath10k: avoid possible string overflow
	Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt
	Bluetooth: Verify that l2cap_get_conf_opt provides large enough buffer
	sched/fair: Fix new task's load avg removed from source CPU in wake_up_new_task()
	mmc: block: Allow more than 8 partitions per card
	arm64: fix COMPAT_SHMLBA definition for large pages
	efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
	ARM: 8458/1: bL_switcher: add GIC dependency
	ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
	android: unconditionally remove callbacks in sync_fence_free()
	vmstat: make vmstat_updater deferrable again and shut down on idle
	hid-sensor-hub.c: fix wrong do_div() usage
	arm64: hide __efistub_ aliases from kallsyms
	perf: Synchronously free aux pages in case of allocation failure
	net: diag: support v4mapped sockets in inet_diag_find_one_icsk()
	Revert "mmc: block: don't use parameter prefix if built as module"
	writeback: initialize inode members that track writeback history
	coresight: fixing lockdep error
	coresight: coresight_unregister() function cleanup
	coresight: release reference taken by 'bus_find_device()'
	coresight: remove csdev's link from topology
	stm class: Fix locking in unbinding policy path
	stm class: Fix link list locking
	stm class: Prevent user-controllable allocations
	stm class: Support devices with multiple instances
	stm class: Fix unlocking braino in the error path
	stm class: Guard output assignment against concurrency
	stm class: Fix unbalanced module/device refcounting
	stm class: Fix a race in unlinking
	coresight: "DEVICE_ATTR_RO" should defined as static.
	coresight: etm4x: Check every parameter used by dma_xx_coherent.
	asm-generic: Fix local variable shadow in __set_fixmap_offset
	staging: ashmem: Avoid deadlock with mmap/shrink
	staging: ashmem: Add missing include
	staging: ion: Set minimum carveout heap allocation order to PAGE_SHIFT
	staging: goldfish: audio: fix compiliation on arm
	ARM: 8510/1: rework ARM_CPU_SUSPEND dependencies
	arm64/kernel: fix incorrect EL0 check in inv_entry macro
	mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
	perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count drops
	arm64: kernel: Include _AC definition in page.h
	PM / Hibernate: Call flush_icache_range() on pages restored in-place
	stm class: Do not leak the chrdev in error path
	stm class: Fix stm device initialization order
	ipv6: fix endianness error in icmpv6_err
	usb: gadget: configfs: add mutex lock before unregister gadget
	usb: gadget: rndis: free response queue during REMOTE_NDIS_RESET_MSG
	cpu/hotplug: Handle unbalanced hotplug enable/disable
	video: fbdev: Set pixclock = 0 in goldfishfb
	arm64: kconfig: drop CONFIG_RTC_LIB dependency
	mmc: mmc: fix switch timeout issue caused by jiffies precision
	cfg80211: size various nl80211 messages correctly
	stmmac: copy unicast mac address to MAC registers
	dccp: do not use ipv6 header for ipv4 flow
	mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
	net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
	net: rose: fix a possible stack overflow
	Add hlist_add_tail_rcu() (Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net)
	packets: Always register packet sk in the same order
	tcp: do not use ipv6 header for ipv4 flow
	vxlan: Don't call gro_cells_destroy() before device is unregistered
	sctp: get sctphdr by offset in sctp_compute_cksum
	mac8390: Fix mmio access size probe
	btrfs: remove WARN_ON in log_dir_items
	btrfs: raid56: properly unmap parity page in finish_parity_scrub()
	ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
	ALSA: compress: add support for 32bit calls in a 64bit kernel
	ALSA: rawmidi: Fix potential Spectre v1 vulnerability
	ALSA: seq: oss: Fix Spectre v1 vulnerability
	ALSA: pcm: Fix possible OOB access in PCM oss plugins
	ALSA: pcm: Don't suspend stream in unrecoverable PCM state
	scsi: sd: Fix a race between closing an sd device and sd I/O
	scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
	scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
	tty: atmel_serial: fix a potential NULL pointer dereference
	staging: vt6655: Remove vif check from vnt_interrupt
	staging: vt6655: Fix interrupt race condition on device start up.
	serial: max310x: Fix to avoid potential NULL pointer dereference
	serial: sh-sci: Fix setting SCSCR_TIE while transferring data
	USB: serial: cp210x: add new device id
	USB: serial: ftdi_sio: add additional NovaTech products
	USB: serial: mos7720: fix mos_parport refcount imbalance on error path
	USB: serial: option: set driver_info for SIM5218 and compatibles
	USB: serial: option: add Olicard 600
	Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
	fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
	gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
	perf intel-pt: Fix TSC slip
	x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
	KVM: Reject device ioctls from processes other than the VM's creator
	xhci: Fix port resume done detection for SS ports with LPM enabled
	Revert "USB: core: only clean up what we allocated"
	arm64: support keyctl() system call in 32-bit mode
	coresight: removing bind/unbind options from sysfs
	stm class: Hide STM-specific options if STM is disabled
	Linux 4.4.178

Change-Id: Ia7fc9419e85c78352eef494a0c914dec7650062f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman 2019-04-03 10:24:12 +02:00
commit 7af10f2966
101 changed files with 785 additions and 443 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
Documentation/virtual/kvm/api.txt
View file

@ -13,7 +13,7 @@ of a virtual machine. The ioctls belong to three classes
- VM ioctls: These query and set attributes that affect an entire virtual
machine, for example memory layout. In addition a VM ioctl is used to
create virtual cpus (vcpus).
create virtual cpus (vcpus) and devices.
Only run VM ioctls from the same process (address space) that was used
to create the VM.
@ -24,6 +24,11 @@ of a virtual machine. The ioctls belong to three classes
Only run vcpu ioctls from the same thread that was used to create the
vcpu.
- device ioctls: These query and set attributes that control the operation
of a single device.
device ioctls must be issued from the same process (address space) that
was used to create the VM.
2. File descriptors
-------------------
@ -32,10 +37,11 @@ The kvm API is centered around file descriptors. An initial
open("/dev/kvm") obtains a handle to the kvm subsystem; this handle
can be used to issue system ioctls. A KVM_CREATE_VM ioctl on this
handle will create a VM file descriptor which can be used to issue VM
ioctls. A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu
and return a file descriptor pointing to it. Finally, ioctls on a vcpu
fd can be used to control the vcpu, including the important task of
actually running guest code.
ioctls. A KVM_CREATE_VCPU or KVM_CREATE_DEVICE ioctl on a VM fd will
create a virtual cpu or device and return a file descriptor pointing to
the new resource. Finally, ioctls on a vcpu or device fd can be used
to control the vcpu or device. For vcpus, this includes the important
task of actually running guest code.
In general file descriptors can be migrated among processes by means
of fork() and the SCM_RIGHTS facility of unix domain socket. These

2
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 177
SUBLEVEL = 178
EXTRAVERSION =
NAME = Blurry Fish Butt

6
arch/arm/Kconfig
View file

@ -1434,8 +1434,7 @@ config BIG_LITTLE
config BL_SWITCHER
bool "big.LITTLE switcher support"
depends on BIG_LITTLE && MCPM && HOTPLUG_CPU
select ARM_CPU_SUSPEND
depends on BIG_LITTLE && MCPM && HOTPLUG_CPU && ARM_GIC
select CPU_PM
help
The big.LITTLE "switcher" provides the core functionality to
@ -2177,7 +2176,8 @@ config ARCH_SUSPEND_POSSIBLE
def_bool y
config ARM_CPU_SUSPEND
def_bool PM_SLEEP
def_bool PM_SLEEP || BL_SWITCHER
depends on ARCH_SUSPEND_POSSIBLE
config ARCH_HIBERNATION_POSSIBLE
bool

27
arch/arm/mach-imx/cpuidle-imx6q.c
View file

@ -14,30 +14,23 @@
#include "cpuidle.h"
#include "hardware.h"
static atomic_t master = ATOMIC_INIT(0);
static DEFINE_SPINLOCK(master_lock);
static int num_idle_cpus = 0;
static DEFINE_SPINLOCK(cpuidle_lock);
static int imx6q_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
if (atomic_inc_return(&master) == num_online_cpus()) {
/*
* With this lock, we prevent other cpu to exit and enter
* this function again and become the master.
*/
if (!spin_trylock(&master_lock))
goto idle;
spin_lock(&cpuidle_lock);
if (++num_idle_cpus == num_online_cpus())
imx6_set_lpm(WAIT_UNCLOCKED);
cpu_do_idle();
imx6_set_lpm(WAIT_CLOCKED);
spin_unlock(&master_lock);
goto done;
}
spin_unlock(&cpuidle_lock);
idle:
cpu_do_idle();
done:
atomic_dec(&master);
spin_lock(&cpuidle_lock);
if (num_idle_cpus-- == num_online_cpus())
imx6_set_lpm(WAIT_CLOCKED);
spin_unlock(&cpuidle_lock);
return index;
}

5
arch/arm64/Kconfig
View file

@ -95,7 +95,6 @@ config ARM64
select PERF_USE_VMALLOC
select POWER_RESET
select POWER_SUPPLY
select RTC_LIB
select SPARSE_IRQ
select SYSCTL_EXCEPTION_TRACE
select HAVE_CONTEXT_TRACKING
@ -1015,6 +1014,10 @@ config SYSVIPC_COMPAT
def_bool y
depends on COMPAT && SYSVIPC
config KEYS_COMPAT
def_bool y
depends on COMPAT && KEYS
endmenu
menu "Power management options"

2
arch/arm64/include/asm/page.h
View file

@ -19,6 +19,8 @@
#ifndef __ASM_PAGE_H
#define __ASM_PAGE_H
#include <linux/const.h>
/* PAGE_SHIFT determines the page size */
/* CONT_SHIFT determines the number of pages which can be tracked together */
#ifdef CONFIG_ARM64_64K_PAGES

8
arch/arm64/kernel/traps.c
View file

@ -285,10 +285,12 @@ static DEFINE_RAW_SPINLOCK(die_lock);
void die(const char *str, struct pt_regs *regs, int err)
{
int ret;
unsigned long flags;
raw_spin_lock_irqsave(&die_lock, flags);
oops_enter();
raw_spin_lock_irq(&die_lock);
console_verbose();
bust_spinlocks(1);
ret = __die(str, err, regs);
@ -298,13 +300,15 @@ void die(const char *str, struct pt_regs *regs, int err)
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
raw_spin_unlock_irq(&die_lock);
oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception");
raw_spin_unlock_irqrestore(&die_lock, flags);
if (ret != NOTIFY_STOP)
do_exit(SIGSEGV);
}

33
arch/arm64/mm/fault.c
View file

@ -624,20 +624,33 @@ asmlinkage int __exception do_debug_exception(unsigned long addr,
{
const struct fault_info *inf = debug_fault_info + DBG_ESR_EVT(esr);
struct siginfo info;
int rv;
if (!inf->fn(addr, esr, regs))
return 1;
/*
* Tell lockdep we disabled irqs in entry.S. Do nothing if they were
* already disabled to preserve the last enabled/disabled addresses.
*/
if (interrupts_enabled(regs))
trace_hardirqs_off();
pr_alert("Unhandled debug exception: %s (0x%08x) at 0x%016lx\n",
inf->name, esr, addr);
if (!inf->fn(addr, esr, regs)) {
rv = 1;
} else {
pr_alert("Unhandled debug exception: %s (0x%08x) at 0x%016lx\n",
inf->name, esr, addr);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
info.si_addr = (void __user *)addr;
arm64_notify_die("", regs, &info, 0);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
info.si_addr = (void __user *)addr;
arm64_notify_die("", regs, &info, 0);
rv = 0;
}
return 0;
if (interrupts_enabled(regs))
trace_hardirqs_on();
return rv;
}
#ifdef CONFIG_ARM64_PAN

8
arch/mips/include/asm/jump_label.h
View file

@ -21,15 +21,15 @@
#endif
#ifdef CONFIG_CPU_MICROMIPS
#define NOP_INSN "nop32"
#define B_INSN "b32"
#else
#define NOP_INSN "nop"
#define B_INSN "b"
#endif
static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
{
asm_volatile_goto("1:\t" NOP_INSN "\n\t"
"nop\n\t"
asm_volatile_goto("1:\t" B_INSN " 2f\n\t"
"2:\tnop\n\t"
".pushsection __jump_table, \"aw\"\n\t"
WORD_INSN " 1b, %l[l_yes], %0\n\t"
".popsection\n\t"

2
arch/mips/loongson64/lemote-2f/irq.c
View file

@ -102,7 +102,7 @@ static struct irqaction ip6_irqaction = {
static struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
.flags = IRQF_NO_THREAD,
.flags = IRQF_NO_THREAD | IRQF_NO_SUSPEND,
};
void __init mach_init_irq(void)

8
arch/x86/Kconfig
View file

@ -1993,14 +1993,8 @@ config PHYSICAL_ALIGN
Don't change this unless you know what you are doing.
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
def_bool y
depends on SMP
---help---
Say Y here to allow turning CPUs off and on. CPUs can be
controlled through /sys/devices/system/cpu.
( Note: power management support will enable this option
automatically on SMP systems. )
Say N if you want to disable CPU hotplug.
config BOOTPARAM_HOTPLUG_CPU0
bool "Set default setting of cpu0_hotpluggable"

3
drivers/extcon/extcon-usb-gpio.c
View file

@ -192,6 +192,9 @@ static int usb_extcon_resume(struct device *dev)
}
enable_irq(info->id_irq);
if (!device_may_wakeup(dev))
queue_delayed_work(system_power_efficient_wq,
&info->wq_detcable, 0);
return ret;
}

6
drivers/gpio/gpio-adnp.c
View file

@ -137,8 +137,10 @@ static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
if (err < 0)
goto out;
if (err & BIT(pos))
err = -EACCES;
if (value & BIT(pos)) {
err = -EPERM;
goto out;
}
err = 0;

12
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
View file

@ -531,11 +531,9 @@ static int vmw_fb_set_par(struct fb_info *info)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
};
struct drm_display_mode *old_mode;
struct drm_display_mode *mode;
int ret;
old_mode = par->set_mode;
mode = drm_mode_duplicate(vmw_priv->dev, &new_mode);
if (!mode) {
DRM_ERROR("Could not create new fb mode.\n");
@ -546,11 +544,7 @@ static int vmw_fb_set_par(struct fb_info *info)
mode->vdisplay = var->yres;
vmw_guess_mode_timing(mode);
if (old_mode && drm_mode_equal(old_mode, mode)) {
drm_mode_destroy(vmw_priv->dev, mode);
mode = old_mode;
old_mode = NULL;
} else if (!vmw_kms_validate_mode_vram(vmw_priv,
if (!vmw_kms_validate_mode_vram(vmw_priv,
mode->hdisplay *
DIV_ROUND_UP(var->bits_per_pixel, 8),
mode->vdisplay)) {
@ -613,8 +607,8 @@ static int vmw_fb_set_par(struct fb_info *info)
schedule_delayed_work(&par->local_work, 0);
out_unlock:
if (old_mode)
drm_mode_destroy(vmw_priv->dev, old_mode);
if (par->set_mode)
drm_mode_destroy(vmw_priv->dev, par->set_mode);
par->set_mode = mode;
drm_modeset_unlock_all(vmw_priv->dev);

11
drivers/hwtracing/coresight/coresight-etb10.c
View file

@ -489,15 +489,6 @@ err_misc_register:
return ret;
}
static int etb_remove(struct amba_device *adev)
{
struct etb_drvdata *drvdata = amba_get_drvdata(adev);
misc_deregister(&drvdata->miscdev);
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM
static int etb_runtime_suspend(struct device *dev)
{
@ -537,10 +528,10 @@ static struct amba_driver etb_driver = {
.name = "coresight-etb10",
.owner = THIS_MODULE,
.pm = &etb_dev_pm_ops,
.suppress_bind_attrs = true,
},
.probe = etb_probe,
.remove = etb_remove,
.id_table = etb_ids,
};

13
drivers/hwtracing/coresight/coresight-etm3x.c
View file

@ -1877,17 +1877,6 @@ err_arch_supported:
return ret;
}
static int etm_remove(struct amba_device *adev)
{
struct etm_drvdata *drvdata = amba_get_drvdata(adev);
coresight_unregister(drvdata->csdev);
if (--etm_count == 0)
unregister_hotcpu_notifier(&etm_cpu_notifier);
return 0;
}
#ifdef CONFIG_PM
static int etm_runtime_suspend(struct device *dev)
{
@ -1948,9 +1937,9 @@ static struct amba_driver etm_driver = {
.name = "coresight-etm3x",
.owner = THIS_MODULE,
.pm = &etm_dev_pm_ops,
.suppress_bind_attrs = true,
},
.probe = etm_probe,
.remove = etm_remove,
.id_table = etm_ids,
};

15
drivers/hwtracing/coresight/coresight-etm4x.c
View file

@ -2219,7 +2219,7 @@ static ssize_t name##_show(struct device *_dev, \
return scnprintf(buf, PAGE_SIZE, "0x%x\n", \
readl_relaxed(drvdata->base + offset)); \
} \
DEVICE_ATTR_RO(name)
static DEVICE_ATTR_RO(name)
coresight_simple_func(trcoslsr, TRCOSLSR);
coresight_simple_func(trcpdcr, TRCPDCR);
@ -2684,17 +2684,6 @@ err_coresight_register:
return ret;
}
static int etm4_remove(struct amba_device *adev)
{
struct etmv4_drvdata *drvdata = amba_get_drvdata(adev);
coresight_unregister(drvdata->csdev);
if (--etm4_count == 0)
unregister_hotcpu_notifier(&etm4_cpu_notifier);
return 0;
}
static struct amba_id etm4_ids[] = {
{ /* ETM 4.0 - Qualcomm */
.id = 0x0003b95d,
@ -2712,9 +2701,9 @@ static struct amba_id etm4_ids[] = {
static struct amba_driver etm4x_driver = {
.drv = {
.name = "coresight-etm4x",
.suppress_bind_attrs = true,
},
.probe = etm4_probe,
.remove = etm4_remove,
.id_table = etm4_ids,
};

10
drivers/hwtracing/coresight/coresight-funnel.c
View file

@ -226,14 +226,6 @@ static int funnel_probe(struct amba_device *adev, const struct amba_id *id)
return 0;
}
static int funnel_remove(struct amba_device *adev)
{
struct funnel_drvdata *drvdata = amba_get_drvdata(adev);
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM
static int funnel_runtime_suspend(struct device *dev)
{
@ -273,9 +265,9 @@ static struct amba_driver funnel_driver = {
.name = "coresight-funnel",
.owner = THIS_MODULE,
.pm = &funnel_dev_pm_ops,
.suppress_bind_attrs = true,
},
.probe = funnel_probe,
.remove = funnel_remove,
.id_table = funnel_ids,
};

11
drivers/hwtracing/coresight/coresight-replicator-qcom.c
View file

@ -156,15 +156,6 @@ static int replicator_probe(struct amba_device *adev, const struct amba_id *id)
return 0;
}
static int replicator_remove(struct amba_device *adev)
{
struct replicator_state *drvdata = amba_get_drvdata(adev);
pm_runtime_disable(&adev->dev);
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM
static int replicator_runtime_suspend(struct device *dev)
{
@ -206,9 +197,9 @@ static struct amba_driver replicator_driver = {
.drv = {
.name = "coresight-replicator-qcom",
.pm = &replicator_dev_pm_ops,
.suppress_bind_attrs = true,
},
.probe = replicator_probe,
.remove = replicator_remove,
.id_table = replicator_ids,
};

16
drivers/hwtracing/coresight/coresight-replicator.c
View file

@ -127,20 +127,6 @@ out_disable_pm:
return ret;
}
static int replicator_remove(struct platform_device *pdev)
{
struct replicator_drvdata *drvdata = platform_get_drvdata(pdev);
coresight_unregister(drvdata->csdev);
pm_runtime_get_sync(&pdev->dev);
if (!IS_ERR(drvdata->atclk))
clk_disable_unprepare(drvdata->atclk);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}
#ifdef CONFIG_PM
static int replicator_runtime_suspend(struct device *dev)
{
@ -175,11 +161,11 @@ static const struct of_device_id replicator_match[] = {
static struct platform_driver replicator_driver = {
.probe = replicator_probe,
.remove = replicator_remove,
.driver = {
.name = "coresight-replicator",
.of_match_table = replicator_match,
.pm = &replicator_dev_pm_ops,
.suppress_bind_attrs = true,
},
};

19
drivers/hwtracing/coresight/coresight-tmc.c
View file

@ -124,7 +124,7 @@ struct tmc_drvdata {
bool reading;
char *buf;
dma_addr_t paddr;
void __iomem *vaddr;
void *vaddr;
u32 size;
bool enable;
enum tmc_config_type config_type;
@ -766,23 +766,10 @@ err_misc_register:
err_devm_kzalloc:
if (drvdata->config_type == TMC_CONFIG_TYPE_ETR)
dma_free_coherent(dev, drvdata->size,
&drvdata->paddr, GFP_KERNEL);
drvdata->vaddr, drvdata->paddr);
return ret;
}
static int tmc_remove(struct amba_device *adev)
{
struct tmc_drvdata *drvdata = amba_get_drvdata(adev);
misc_deregister(&drvdata->miscdev);
coresight_unregister(drvdata->csdev);
if (drvdata->config_type == TMC_CONFIG_TYPE_ETR)
dma_free_coherent(drvdata->dev, drvdata->size,
&drvdata->paddr, GFP_KERNEL);
return 0;
}
static struct amba_id tmc_ids[] = {
{
.id = 0x0003b961,
@ -795,9 +782,9 @@ static struct amba_driver tmc_driver = {
.drv = {
.name = "coresight-tmc",
.owner = THIS_MODULE,
.suppress_bind_attrs = true,
},
.probe = tmc_probe,
.remove = tmc_remove,
.id_table = tmc_ids,
};

10
drivers/hwtracing/coresight/coresight-tpiu.c
View file

@ -180,14 +180,6 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
return 0;
}
static int tpiu_remove(struct amba_device *adev)
{
struct tpiu_drvdata *drvdata = amba_get_drvdata(adev);
coresight_unregister(drvdata->csdev);
return 0;
}
#ifdef CONFIG_PM
static int tpiu_runtime_suspend(struct device *dev)
{
@ -231,9 +223,9 @@ static struct amba_driver tpiu_driver = {
.name = "coresight-tpiu",
.owner = THIS_MODULE,
.pm = &tpiu_dev_pm_ops,
.suppress_bind_attrs = true,
},
.probe = tpiu_probe,
.remove = tpiu_remove,
.id_table = tpiu_ids,
};

55
drivers/hwtracing/coresight/coresight.c
View file

@ -484,6 +484,8 @@ static void coresight_device_release(struct device *dev)
{
struct coresight_device *csdev = to_coresight_device(dev);
kfree(csdev->conns);
kfree(csdev->refcnt);
kfree(csdev);
}
@ -571,6 +573,8 @@ static void coresight_fixup_device_conns(struct coresight_device *csdev)
if (dev) {
conn->child_dev = to_coresight_device(dev);
/* and put reference from 'bus_find_device()' */
put_device(dev);
} else {
csdev->orphan = true;
conn->child_dev = NULL;
@ -578,6 +582,50 @@ static void coresight_fixup_device_conns(struct coresight_device *csdev)
}
}
static int coresight_remove_match(struct device *dev, void *data)
{
int i;
struct coresight_device *csdev, *iterator;
struct coresight_connection *conn;
csdev = data;
iterator = to_coresight_device(dev);
/* No need to check oneself */
if (csdev == iterator)
return 0;
/*
* Circle throuch all the connection of that component. If we find
* a connection whose name matches @csdev, remove it.
*/
for (i = 0; i < iterator->nr_outport; i++) {
conn = &iterator->conns[i];
if (conn->child_dev == NULL)
continue;
if (!strcmp(dev_name(&csdev->dev), conn->child_name)) {
iterator->orphan = true;
conn->child_dev = NULL;
/* No need to continue */
break;
}
}
/*
* Returning '0' ensures that all known component on the
* bus will be checked.
*/
return 0;
}
static void coresight_remove_conns(struct coresight_device *csdev)
{
bus_for_each_dev(&coresight_bustype, NULL,
csdev, coresight_remove_match);
}
/**
* coresight_timeout - loop until a bit has changed to a specific state.
* @addr: base address of the area of interest.
@ -716,12 +764,9 @@ EXPORT_SYMBOL_GPL(coresight_register);
void coresight_unregister(struct coresight_device *csdev)
{
mutex_lock(&coresight_mutex);
kfree(csdev->conns);
/* Remove references of that device in the topology */
coresight_remove_conns(csdev);
device_unregister(&csdev->dev);
mutex_unlock(&coresight_mutex);
}
EXPORT_SYMBOL_GPL(coresight_unregister);

2
drivers/hwtracing/coresight/of_coresight.c
View file

@ -86,7 +86,7 @@ static int of_coresight_alloc_memory(struct device *dev,
return -ENOMEM;
/* Children connected to this component via @outports */
pdata->child_names = devm_kzalloc(dev, pdata->nr_outport *
pdata->child_names = devm_kzalloc(dev, pdata->nr_outport *
sizeof(*pdata->child_names),
GFP_KERNEL);
if (!pdata->child_names)

4
drivers/hwtracing/stm/Kconfig
View file

@ -9,6 +9,8 @@ config STM
Say Y here to enable System Trace Module device support.
if STM
config STM_DUMMY
tristate "Dummy STM driver"
help
@ -25,3 +27,5 @@ config STM_SOURCE_CONSOLE
If you want to send kernel console messages over STM devices,
say Y.
endif

152
drivers/hwtracing/stm/core.c
View file

@ -114,6 +114,7 @@ struct stm_device *stm_find_device(const char *buf)
stm = to_stm_device(dev);
if (!try_module_get(stm->owner)) {
/* matches class_find_device() above */
put_device(dev);
return NULL;
}
@ -126,7 +127,7 @@ struct stm_device *stm_find_device(const char *buf)
* @stm: stm device, previously acquired by stm_find_device()
*
* This drops the module reference and device reference taken by
* stm_find_device().
* stm_find_device() or stm_char_open().
*/
void stm_put_device(struct stm_device *stm)
{
@ -186,6 +187,9 @@ static void stm_output_claim(struct stm_device *stm, struct stm_output *output)
{
struct stp_master *master = stm_master(stm, output->master);
lockdep_assert_held(&stm->mc_lock);
lockdep_assert_held(&output->lock);
if (WARN_ON_ONCE(master->nr_free < output->nr_chans))
return;
@ -200,6 +204,9 @@ stm_output_disclaim(struct stm_device *stm, struct stm_output *output)
{
struct stp_master *master = stm_master(stm, output->master);
lockdep_assert_held(&stm->mc_lock);
lockdep_assert_held(&output->lock);
bitmap_release_region(&master->chan_map[0], output->channel,
ilog2(output->nr_chans));
@ -292,6 +299,7 @@ static int stm_output_assign(struct stm_device *stm, unsigned int width,
}
spin_lock(&stm->mc_lock);
spin_lock(&output->lock);
/* output is already assigned -- shouldn't happen */
if (WARN_ON_ONCE(output->nr_chans))
goto unlock;
@ -308,6 +316,7 @@ static int stm_output_assign(struct stm_device *stm, unsigned int width,
ret = 0;
unlock:
spin_unlock(&output->lock);
spin_unlock(&stm->mc_lock);
return ret;
@ -316,11 +325,18 @@ unlock:
static void stm_output_free(struct stm_device *stm, struct stm_output *output)
{
spin_lock(&stm->mc_lock);
spin_lock(&output->lock);
if (output->nr_chans)
stm_output_disclaim(stm, output);
spin_unlock(&output->lock);
spin_unlock(&stm->mc_lock);
}
static void stm_output_init(struct stm_output *output)
{
spin_lock_init(&output->lock);
}
static int major_match(struct device *dev, const void *data)
{
unsigned int major = *(unsigned int *)data;
@ -343,6 +359,7 @@ static int stm_char_open(struct inode *inode, struct file *file)
if (!stmf)
return -ENOMEM;
stm_output_init(&stmf->output);
stmf->stm = to_stm_device(dev);
if (!try_module_get(stmf->stm->owner))
@ -353,6 +370,8 @@ static int stm_char_open(struct inode *inode, struct file *file)
return nonseekable_open(inode, file);
err_free:
/* matches class_find_device() above */
put_device(dev);
kfree(stmf);
return err;
@ -363,6 +382,11 @@ static int stm_char_release(struct inode *inode, struct file *file)
struct stm_file *stmf = file->private_data;
stm_output_free(stmf->stm, &stmf->output);
/*
* matches the stm_char_open()'s
* class_find_device() + try_module_get()
*/
stm_put_device(stmf->stm);
kfree(stmf);
@ -410,6 +434,9 @@ static ssize_t stm_char_write(struct file *file, const char __user *buf,
char *kbuf;
int err;
if (count + 1 > PAGE_SIZE)
count = PAGE_SIZE - 1;
/*
* if no m/c have been assigned to this writer up to this
* point, use "default" policy entry
@ -521,10 +548,8 @@ static int stm_char_policy_set_ioctl(struct stm_file *stmf, void __user *arg)
ret = stm->data->link(stm->data, stmf->output.master,
stmf->output.channel);
if (ret) {
if (ret)
stm_output_free(stmf->stm, &stmf->output);
stm_put_device(stmf->stm);
}
err_free:
kfree(id);
@ -639,6 +664,18 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data,
stm->dev.parent = parent;
stm->dev.release = stm_device_release;
mutex_init(&stm->link_mutex);
spin_lock_init(&stm->link_lock);
INIT_LIST_HEAD(&stm->link_list);
/* initialize the object before it is accessible via sysfs */
spin_lock_init(&stm->mc_lock);
mutex_init(&stm->policy_mutex);
stm->sw_nmasters = nmasters;
stm->owner = owner;
stm->data = stm_data;
stm_data->stm = stm;
err = kobject_set_name(&stm->dev.kobj, "%s", stm_data->name);
if (err)
goto err_device;
@ -647,19 +684,12 @@ int stm_register_device(struct device *parent, struct stm_data *stm_data,
if (err)
goto err_device;
spin_lock_init(&stm->link_lock);
INIT_LIST_HEAD(&stm->link_list);
spin_lock_init(&stm->mc_lock);
mutex_init(&stm->policy_mutex);
stm->sw_nmasters = nmasters;
stm->owner = owner;
stm->data = stm_data;
stm_data->stm = stm;
return 0;
err_device:
unregister_chrdev(stm->major, stm_data->name);
/* matches device_initialize() above */
put_device(&stm->dev);
err_free:
vfree(stm);
@ -668,20 +698,28 @@ err_free:
}
EXPORT_SYMBOL_GPL(stm_register_device);
static void __stm_source_link_drop(struct stm_source_device *src,
struct stm_device *stm);
static int __stm_source_link_drop(struct stm_source_device *src,
struct stm_device *stm);
void stm_unregister_device(struct stm_data *stm_data)
{
struct stm_device *stm = stm_data->stm;
struct stm_source_device *src, *iter;
int i;
int i, ret;
spin_lock(&stm->link_lock);
mutex_lock(&stm->link_mutex);
list_for_each_entry_safe(src, iter, &stm->link_list, link_entry) {
__stm_source_link_drop(src, stm);
ret = __stm_source_link_drop(src, stm);
/*
* src <-> stm link must not change under the same
* stm::link_mutex, so complain loudly if it has;
* also in this situation ret!=0 means this src is
* not connected to this stm and it should be otherwise
* safe to proceed with the tear-down of stm.
*/
WARN_ON_ONCE(ret);
}
spin_unlock(&stm->link_lock);
mutex_unlock(&stm->link_mutex);
synchronize_srcu(&stm_source_srcu);
@ -700,6 +738,17 @@ void stm_unregister_device(struct stm_data *stm_data)
}
EXPORT_SYMBOL_GPL(stm_unregister_device);
/*
* stm::link_list access serialization uses a spinlock and a mutex; holding
* either of them guarantees that the list is stable; modification requires
* holding both of them.
*
* Lock ordering is as follows:
* stm::link_mutex
* stm::link_lock
* src::link_lock
*/
/**
* stm_source_link_add() - connect an stm_source device to an stm device
* @src: stm_source device
@ -716,6 +765,7 @@ static int stm_source_link_add(struct stm_source_device *src,
char *id;
int err;
mutex_lock(&stm->link_mutex);
spin_lock(&stm->link_lock);
spin_lock(&src->link_lock);
@ -725,6 +775,7 @@ static int stm_source_link_add(struct stm_source_device *src,
spin_unlock(&src->link_lock);
spin_unlock(&stm->link_lock);
mutex_unlock(&stm->link_mutex);
id = kstrdup(src->data->name, GFP_KERNEL);
if (id) {
@ -759,9 +810,9 @@ static int stm_source_link_add(struct stm_source_device *src,
fail_free_output:
stm_output_free(stm, &src->output);
stm_put_device(stm);
fail_detach:
mutex_lock(&stm->link_mutex);
spin_lock(&stm->link_lock);
spin_lock(&src->link_lock);
@ -770,6 +821,7 @@ fail_detach:
spin_unlock(&src->link_lock);
spin_unlock(&stm->link_lock);
mutex_unlock(&stm->link_mutex);
return err;
}
@ -782,28 +834,45 @@ fail_detach:
* If @stm is @src::link, disconnect them from one another and put the
* reference on the @stm device.
*
* Caller must hold stm::link_lock.
* Caller must hold stm::link_mutex.
*/
static void __stm_source_link_drop(struct stm_source_device *src,
struct stm_device *stm)
static int __stm_source_link_drop(struct stm_source_device *src,
struct stm_device *stm)
{
struct stm_device *link;
int ret = 0;
lockdep_assert_held(&stm->link_mutex);
/* for stm::link_list modification, we hold both mutex and spinlock */
spin_lock(&stm->link_lock);
spin_lock(&src->link_lock);
link = srcu_dereference_check(src->link, &stm_source_srcu, 1);
if (WARN_ON_ONCE(link != stm)) {
spin_unlock(&src->link_lock);
return;
/*
* The linked device may have changed since we last looked, because
* we weren't holding the src::link_lock back then; if this is the
* case, tell the caller to retry.
*/
if (link != stm) {
ret = -EAGAIN;
goto unlock;
}
stm_output_free(link, &src->output);
/* caller must hold stm::link_lock */
list_del_init(&src->link_entry);
/* matches stm_find_device() from stm_source_link_store() */
stm_put_device(link);
rcu_assign_pointer(src->link, NULL);
unlock:
spin_unlock(&src->link_lock);
spin_unlock(&stm->link_lock);
if (!ret && src->data->unlink)
src->data->unlink(src->data);
return ret;
}
/**
@ -819,21 +888,29 @@ static void __stm_source_link_drop(struct stm_source_device *src,
static void stm_source_link_drop(struct stm_source_device *src)
{
struct stm_device *stm;
int idx;
int idx, ret;
retry:
idx = srcu_read_lock(&stm_source_srcu);
/*
* The stm device will be valid for the duration of this
* read section, but the link may change before we grab
* the src::link_lock in __stm_source_link_drop().
*/
stm = srcu_dereference(src->link, &stm_source_srcu);
ret = 0;
if (stm) {
if (src->data->unlink)
src->data->unlink(src->data);
spin_lock(&stm->link_lock);
__stm_source_link_drop(src, stm);
spin_unlock(&stm->link_lock);
mutex_lock(&stm->link_mutex);
ret = __stm_source_link_drop(src, stm);
mutex_unlock(&stm->link_mutex);
}
srcu_read_unlock(&stm_source_srcu, idx);
/* if it did change, retry */
if (ret == -EAGAIN)
goto retry;
}
static ssize_t stm_source_link_show(struct device *dev,
@ -868,8 +945,10 @@ static ssize_t stm_source_link_store(struct device *dev,
return -EINVAL;
err = stm_source_link_add(src, link);
if (err)
if (err) {
/* matches the stm_find_device() above */
stm_put_device(link);
}
return err ? : count;
}
@ -931,6 +1010,7 @@ int stm_source_register_device(struct device *parent,
if (err)
goto err;
stm_output_init(&src->output);
spin_lock_init(&src->link_lock);
INIT_LIST_HEAD(&src->link_entry);
src->data = data;

25
drivers/hwtracing/stm/policy.c
View file

@ -272,13 +272,17 @@ void stp_policy_unbind(struct stp_policy *policy)
{
struct stm_device *stm = policy->stm;
/*
* stp_policy_release() will not call here if the policy is already
* unbound; other users should not either, as no link exists between
* this policy and anything else in that case
*/
if (WARN_ON_ONCE(!policy->stm))
return;
mutex_lock(&stm->policy_mutex);
stm->policy = NULL;
mutex_unlock(&stm->policy_mutex);
lockdep_assert_held(&stm->policy_mutex);
stm->policy = NULL;
policy->stm = NULL;
stm_put_device(stm);
@ -287,8 +291,16 @@ void stp_policy_unbind(struct stp_policy *policy)
static void stp_policy_release(struct config_item *item)
{
struct stp_policy *policy = to_stp_policy(item);
struct stm_device *stm = policy->stm;
/* a policy *can* be unbound and still exist in configfs tree */
if (!stm)
return;
mutex_lock(&stm->policy_mutex);
stp_policy_unbind(policy);
mutex_unlock(&stm->policy_mutex);
kfree(policy);
}
@ -320,10 +332,11 @@ stp_policies_make(struct config_group *group, const char *name)
/*
* node must look like <device_name>.<policy_name>, where
* <device_name> is the name of an existing stm device and
* <policy_name> is an arbitrary string
* <device_name> is the name of an existing stm device; may
* contain dots;
* <policy_name> is an arbitrary string; may not contain dots
*/
p = strchr(devname, '.');
p = strrchr(devname, '.');
if (!p) {
kfree(devname);
return ERR_PTR(-EINVAL);

2
drivers/hwtracing/stm/stm.h
View file

@ -45,6 +45,7 @@ struct stm_device {
int major;
unsigned int sw_nmasters;
struct stm_data *data;
struct mutex link_mutex;
spinlock_t link_lock;
struct list_head link_list;
/* master allocation */
@ -56,6 +57,7 @@ struct stm_device {
container_of((_d), struct stm_device, dev)
struct stm_output {
spinlock_t lock;
unsigned int master;
unsigned int channel;
unsigned int nr_chans;

3
drivers/isdn/hardware/mISDN/hfcmulti.c
View file

@ -4370,7 +4370,8 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
if (m->clock2)
test_and_set_bit(HFC_CHIP_CLOCK2, &hc->chip);
if (ent->device == 0xB410) {
if (ent->vendor == PCI_VENDOR_ID_DIGIUM &&
ent->device == PCI_DEVICE_ID_DIGIUM_HFC4S) {
test_and_set_bit(HFC_CHIP_B410P, &hc->chip);
test_and_set_bit(HFC_CHIP_PCM_MASTER, &hc->chip);
test_and_clear_bit(HFC_CHIP_PCM_SLAVE, &hc->chip);

2
drivers/media/usb/uvc/uvc_ctrl.c
View file

@ -1202,7 +1202,7 @@ static void uvc_ctrl_fill_event(struct uvc_video_chain *chain,
__uvc_query_v4l2_ctrl(chain, ctrl, mapping, &v4l2_ctrl);
memset(ev->reserved, 0, sizeof(ev->reserved));
memset(ev, 0, sizeof(*ev));
ev->type = V4L2_EVENT_CTRL;
ev->id = v4l2_ctrl.id;
ev->u.ctrl.value = value;

2
drivers/media/v4l2-core/v4l2-ctrls.c
View file

@ -1212,7 +1212,7 @@ static u32 user_flags(const struct v4l2_ctrl *ctrl)
static void fill_event(struct v4l2_event *ev, struct v4l2_ctrl *ctrl, u32 changes)
{
memset(ev->reserved, 0, sizeof(ev->reserved));
memset(ev, 0, sizeof(*ev));
ev->type = V4L2_EVENT_CTRL;
ev->id = ctrl->id;
ev->u.ctrl.changes = changes;

10
drivers/mmc/core/core.c
View file

@ -1073,7 +1073,7 @@ static inline void mmc_set_ios(struct mmc_host *host)
"width %u timing %u\n",
mmc_hostname(host), ios->clock, ios->bus_mode,
ios->power_mode, ios->chip_select, ios->vdd,
ios->bus_width, ios->timing);
1 << ios->bus_width, ios->timing);
host->ops->set_ios(host, ios);
}
@ -1254,8 +1254,12 @@ int mmc_of_parse_voltage(struct device_node *np, u32 *mask)
voltage_ranges = of_get_property(np, "voltage-ranges", &num_ranges);
num_ranges = num_ranges / sizeof(*voltage_ranges) / 2;
if (!voltage_ranges || !num_ranges) {
pr_info("%s: voltage-ranges unspecified\n", np->full_name);
if (!voltage_ranges) {
pr_debug("%s: voltage-ranges unspecified\n", np->full_name);
return -EINVAL;
}
if (!num_ranges) {
pr_err("%s: voltage-ranges empty\n", np->full_name);
return -EINVAL;
}

2
drivers/mmc/core/debugfs.c
View file

@ -220,7 +220,7 @@ static int mmc_clock_opt_set(void *data, u64 val)
struct mmc_host *host = data;
/* We need this check due to input value is u64 */
if (val > host->f_max)
if (val != 0 && (val > host->f_max || val < host->f_min))
return -EINVAL;
mmc_claim_host(host);

16
drivers/mmc/core/mmc.c
View file

@ -508,7 +508,7 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
card->ext_csd.raw_bkops_status =
ext_csd[EXT_CSD_BKOPS_STATUS];
if (!card->ext_csd.man_bkops_en)
pr_info("%s: MAN_BKOPS_EN bit is not set\n",
pr_debug("%s: MAN_BKOPS_EN bit is not set\n",
mmc_hostname(card->host));
}
@ -966,7 +966,7 @@ static int mmc_select_bus_width(struct mmc_card *card)
break;
} else {
pr_warn("%s: switch to bus width %d failed\n",
mmc_hostname(host), ext_csd_bits[idx]);
mmc_hostname(host), 1 << bus_width);
}
}
@ -1265,10 +1265,11 @@ static int mmc_select_hs200(struct mmc_card *card)
{
struct mmc_host *host = card->host;
bool send_status = true;
unsigned int old_timing;
unsigned int old_timing, old_signal_voltage;
int err = -EINVAL;
u8 val;
old_signal_voltage = host->ios.signal_voltage;
if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200_1_2V)
err = __mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_120);
@ -1277,7 +1278,7 @@ static int mmc_select_hs200(struct mmc_card *card)
/* If fails try again during next card power cycle */
if (err)
goto err;
return err;
mmc_select_driver_type(card);
@ -1311,9 +1312,14 @@ static int mmc_select_hs200(struct mmc_card *card)
}
}
err:
if (err)
if (err) {
/* fall back to the old signal voltage, if fails report error */
if (__mmc_set_signal_voltage(host, old_signal_voltage))
err = -EIO;
pr_err("%s: %s failed, error %d\n", mmc_hostname(card->host),
__func__, err);
}
return err;
}

2
drivers/mmc/core/mmc_ops.c
View file

@ -542,7 +542,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
timeout_ms = MMC_OPS_TIMEOUT_MS;
/* Must check status to be sure of no errors. */
timeout = jiffies + msecs_to_jiffies(timeout_ms);
timeout = jiffies + msecs_to_jiffies(timeout_ms) + 1;
do {
if (send_status) {
err = __mmc_send_status(card, &status, ignore_crc);

22
drivers/mmc/core/pwrseq_simple.c
View file

@ -29,15 +29,18 @@ struct mmc_pwrseq_simple {
static void mmc_pwrseq_simple_set_gpios_value(struct mmc_pwrseq_simple *pwrseq,
int value)
{
int i;
struct gpio_descs *reset_gpios = pwrseq->reset_gpios;
int values[reset_gpios->ndescs];
for (i = 0; i < reset_gpios->ndescs; i++)
values[i] = value;
if (!IS_ERR(reset_gpios)) {
int i;
int values[reset_gpios->ndescs];
gpiod_set_array_value_cansleep(reset_gpios->ndescs, reset_gpios->desc,
values);
for (i = 0; i < reset_gpios->ndescs; i++)
values[i] = value;
gpiod_set_array_value_cansleep(
reset_gpios->ndescs, reset_gpios->desc, values);
}
}
static void mmc_pwrseq_simple_pre_power_on(struct mmc_host *host)
@ -79,7 +82,8 @@ static void mmc_pwrseq_simple_free(struct mmc_host *host)
struct mmc_pwrseq_simple *pwrseq = container_of(host->pwrseq,
struct mmc_pwrseq_simple, pwrseq);
gpiod_put_array(pwrseq->reset_gpios);
if (!IS_ERR(pwrseq->reset_gpios))
gpiod_put_array(pwrseq->reset_gpios);
if (!IS_ERR(pwrseq->ext_clk))
clk_put(pwrseq->ext_clk);
@ -112,7 +116,9 @@ struct mmc_pwrseq *mmc_pwrseq_simple_alloc(struct mmc_host *host,
}
pwrseq->reset_gpios = gpiod_get_array(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(pwrseq->reset_gpios)) {
if (IS_ERR(pwrseq->reset_gpios) &&
PTR_ERR(pwrseq->reset_gpios) != -ENOENT &&
PTR_ERR(pwrseq->reset_gpios) != -ENOSYS) {
ret = PTR_ERR(pwrseq->reset_gpios);
goto clk_put;
}

2
drivers/mmc/host/pxamci.c
View file

@ -181,7 +181,7 @@ static void pxamci_dma_irq(void *param);
static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
{
struct dma_async_tx_descriptor *tx;
enum dma_data_direction direction;
enum dma_transfer_direction direction;
struct dma_slave_config config;
struct dma_chan *chan;
unsigned int nob = data->blocks;

8
drivers/mmc/host/tmio_mmc_pio.c
View file

@ -716,7 +716,7 @@ irqreturn_t tmio_mmc_sdio_irq(int irq, void *devid)
unsigned int sdio_status;
if (!(pdata->flags & TMIO_MMC_SDIO_IRQ))
return IRQ_HANDLED;
return IRQ_NONE;
status = sd_ctrl_read16(host, CTL_SDIO_STATUS);
ireg = status & TMIO_SDIO_MASK_ALL & ~host->sdcard_irq_mask;
@ -730,7 +730,7 @@ irqreturn_t tmio_mmc_sdio_irq(int irq, void *devid)
if (mmc->caps & MMC_CAP_SDIO_IRQ && ireg & TMIO_SDIO_STAT_IOIRQ)
mmc_signal_sdio_irq(mmc);
return IRQ_HANDLED;
return IRQ_RETVAL(ireg);
}
EXPORT_SYMBOL(tmio_mmc_sdio_irq);
@ -747,9 +747,7 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid)
if (__tmio_mmc_sdcard_irq(host, ireg, status))
return IRQ_HANDLED;
tmio_mmc_sdio_irq(irq, devid);
return IRQ_HANDLED;
return tmio_mmc_sdio_irq(irq, devid);
}
EXPORT_SYMBOL(tmio_mmc_irq);

19
drivers/net/ethernet/8390/mac8390.c
View file

@ -156,8 +156,6 @@ static void dayna_block_output(struct net_device *dev, int count,
#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c))
/* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */
static void slow_sane_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page);
@ -237,19 +235,26 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
static enum mac8390_access __init mac8390_testio(volatile unsigned long membase)
{
unsigned long outdata = 0xA5A0B5B0;
unsigned long indata = 0x00000000;
u32 outdata = 0xA5A0B5B0;
u32 indata = 0;
/* Try writing 32 bits */
memcpy_toio(membase, &outdata, 4);
/* Now compare them */
if (memcmp_withio(&outdata, membase, 4) == 0)
nubus_writel(outdata, membase);
/* Now read it back */
indata = nubus_readl(membase);
if (outdata == indata)
return ACCESS_32;
outdata = 0xC5C0D5D0;
indata = 0;
/* Write 16 bit output */
word_memcpy_tocard(membase, &outdata, 4);
/* Now read it back */
word_memcpy_fromcard(&indata, membase, 4);
if (outdata == indata)
return ACCESS_16;
return ACCESS_UNKNOWN;
}

16
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View file

@ -2529,6 +2529,20 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return ret;
}
static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
{
struct stmmac_priv *priv = netdev_priv(ndev);
int ret = 0;
ret = eth_mac_addr(ndev, addr);
if (ret)
return ret;
priv->hw->mac->set_umac_addr(priv->hw, ndev->dev_addr, 0);
return ret;
}
#ifdef CONFIG_DEBUG_FS
static struct dentry *stmmac_fs_dir;
@ -2730,7 +2744,7 @@ static const struct net_device_ops stmmac_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = stmmac_poll_controller,
#endif
.ndo_set_mac_address = eth_mac_addr,
.ndo_set_mac_address = stmmac_set_mac_address,
};
/**

4
drivers/net/vxlan.c
View file

@ -3276,10 +3276,8 @@ static void __net_exit vxlan_exit_net(struct net *net)
/* If vxlan->dev is in the same netns, it has already been added
* to the list by the previous loop.
*/
if (!net_eq(dev_net(vxlan->dev), net)) {
gro_cells_destroy(&vxlan->gro_cells);
if (!net_eq(dev_net(vxlan->dev), net))
unregister_netdevice_queue(vxlan->dev, &list);
}
}
unregister_netdevice_many(&list);

2
drivers/net/wireless/ath/ath10k/wmi.c
View file

@ -4065,7 +4065,7 @@ static void ath10k_tpc_config_disp_tables(struct ath10k *ar,
rate_code[i],
type);
snprintf(buff, sizeof(buff), "%8d ", tpc[j]);
strncat(tpc_value, buff, strlen(buff));
strlcat(tpc_value, buff, sizeof(tpc_value));
}
tpc_stats->tpc_table[type].pream_idx[i] = pream_idx;
tpc_stats->tpc_table[type].rate_code[i] = rate_code[i];

6
drivers/rtc/rtc-lib.c
View file

@ -52,13 +52,11 @@ EXPORT_SYMBOL(rtc_year_days);
*/
void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
{
unsigned int month, year;
unsigned long secs;
unsigned int month, year, secs;
int days;
/* time must be positive */
days = div_s64(time, 86400);
secs = time - (unsigned int) days * 86400;
days = div_s64_rem(time, 86400, &secs);
/* day of the week, 1970-01-01 was a Thursday */
tm->tm_wday = (days + 4) % 7;

17
drivers/s390/scsi/zfcp_erp.c
View file

@ -652,6 +652,20 @@ static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
add_timer(&erp_action->timer);
}
void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
int clear, char *dbftag)
{
unsigned long flags;
struct zfcp_port *port;
write_lock_irqsave(&adapter->erp_lock, flags);
read_lock(&adapter->port_list_lock);
list_for_each_entry(port, &adapter->port_list, list)
_zfcp_erp_port_forced_reopen(port, clear, dbftag);
read_unlock(&adapter->port_list_lock);
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
int clear, char *id)
{
@ -1306,6 +1320,9 @@ static void zfcp_erp_try_rport_unblock(struct zfcp_port *port)
struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev);
int lun_status;
if (sdev->sdev_state == SDEV_DEL ||
sdev->sdev_state == SDEV_CANCEL)
continue;
if (zsdev->port != port)
continue;
/* LUN under port of interest */

2
drivers/s390/scsi/zfcp_ext.h
View file

@ -68,6 +68,8 @@ extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
int clear, char *dbftag);
extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);

4
drivers/s390/scsi/zfcp_scsi.c
View file

@ -326,6 +326,10 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
int ret = SUCCESS, fc_ret;
if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) {
zfcp_erp_port_forced_reopen_all(adapter, 0, "schrh_p");
zfcp_erp_wait(adapter);
}
zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
fc_ret = fc_block_scsi_eh(scpnt);

17
drivers/scsi/sd.c
View file

@ -1276,11 +1276,6 @@ static void sd_release(struct gendisk *disk, fmode_t mode)
scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW);
}
/*
* XXX and what if there are packets in flight and this close()
* XXX is followed by a "rmmod sd_mod"?
*/
scsi_disk_put(sdkp);
}
@ -3227,11 +3222,23 @@ static void scsi_disk_release(struct device *dev)
{
struct scsi_disk *sdkp = to_scsi_disk(dev);
struct gendisk *disk = sdkp->disk;
struct request_queue *q = disk->queue;
spin_lock(&sd_index_lock);
ida_remove(&sd_index_ida, sdkp->index);
spin_unlock(&sd_index_lock);
/*
* Wait until all requests that are in progress have completed.
* This is necessary to avoid that e.g. scsi_end_request() crashes
* due to clearing the disk->private_data pointer. Wait from inside
* scsi_disk_release() instead of from sd_release() to avoid that
* freezing and unfreezing the request queue affects user space I/O
* in case multiple processes open a /dev/sd... node concurrently.
*/
blk_mq_freeze_queue(q);
blk_mq_unfreeze_queue(q);
disk->private_data = NULL;
put_disk(disk);
put_device(&sdkp->device->sdev_gendev);

11
drivers/staging/vt6655/device_main.c
View file

@ -972,8 +972,6 @@ static void vnt_interrupt_process(struct vnt_private *priv)
return;
}
MACvIntDisable(priv->PortOffset);
spin_lock_irqsave(&priv->lock, flags);
/* Read low level stats */
@ -1062,8 +1060,6 @@ static void vnt_interrupt_process(struct vnt_private *priv)
}
spin_unlock_irqrestore(&priv->lock, flags);
MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
}
static void vnt_interrupt_work(struct work_struct *work)
@ -1073,14 +1069,17 @@ static void vnt_interrupt_work(struct work_struct *work)
if (priv->vif)
vnt_interrupt_process(priv);
MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
}
static irqreturn_t vnt_interrupt(int irq, void *arg)
{
struct vnt_private *priv = arg;
if (priv->vif)
schedule_work(&priv->interrupt_work);
schedule_work(&priv->interrupt_work);
MACvIntDisable(priv->PortOffset);
return IRQ_HANDLED;
}

4
drivers/tty/serial/atmel_serial.c
View file

@ -1167,6 +1167,10 @@ static int atmel_prepare_rx_dma(struct uart_port *port)
sg_dma_len(&atmel_port->sg_rx)/2,
DMA_DEV_TO_MEM,
DMA_PREP_INTERRUPT);
if (!desc) {
dev_err(port->dev, "Preparing DMA cyclic failed\n");
goto chan_err;
}
desc->callback = atmel_complete_rx_dma;
desc->callback_param = port;
atmel_port->desc_rx = desc;

4
drivers/tty/serial/kgdboc.c
View file

@ -148,8 +148,10 @@ static int configure_kgdboc(void)
char *cptr = config;
struct console *cons;
if (!strlen(config) || isspace(config[0]))
if (!strlen(config) || isspace(config[0])) {
err = 0;
goto noconfig;
}
kgdboc_io_ops.is_console = 0;
kgdb_tty_driver = NULL;

2
drivers/tty/serial/max310x.c
View file

@ -1306,6 +1306,8 @@ static int max310x_spi_probe(struct spi_device *spi)
if (spi->dev.of_node) {
const struct of_device_id *of_id =
of_match_device(max310x_dt_ids, &spi->dev);
if (!of_id)
return -ENODEV;
devtype = (struct max310x_devtype *)of_id->data;
} else {

12
drivers/tty/serial/sh-sci.c
View file

@ -746,19 +746,9 @@ static void sci_transmit_chars(struct uart_port *port)
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);
if (uart_circ_empty(xmit)) {
if (uart_circ_empty(xmit))
sci_stop_tx(port);
} else {
ctrl = serial_port_in(port, SCSCR);
if (port->type != PORT_SCI) {
serial_port_in(port, SCxSR); /* Dummy read */
sci_clear_SCxSR(port, SCxSR_TDxE_CLEAR(port));
}
ctrl |= SCSCR_TIE;
serial_port_out(port, SCSCR, ctrl);
}
}
/* On SH3, SCIF may read end-of-break as a space->mark char */

6
drivers/tty/serial/sprd_serial.c
View file

@ -36,7 +36,7 @@
#define SPRD_FIFO_SIZE 128
#define SPRD_DEF_RATE 26000000
#define SPRD_BAUD_IO_LIMIT 3000000
#define SPRD_TIMEOUT 256
#define SPRD_TIMEOUT 256000
/* the offset of serial registers and BITs for them */
/* data registers */
@ -63,6 +63,7 @@
/* interrupt clear register */
#define SPRD_ICLR 0x0014
#define SPRD_ICLR_TIMEOUT BIT(13)
/* line control register */
#define SPRD_LCR 0x0018
@ -298,7 +299,8 @@ static irqreturn_t sprd_handle_irq(int irq, void *dev_id)
return IRQ_NONE;
}
serial_out(port, SPRD_ICLR, ~0);
if (ims & SPRD_IMSR_TIMEOUT)
serial_out(port, SPRD_ICLR, SPRD_ICLR_TIMEOUT);
if (ims & (SPRD_IMSR_RX_FIFO_FULL |
SPRD_IMSR_BREAK_DETECT | SPRD_IMSR_TIMEOUT))

6
drivers/usb/dwc3/gadget.c
View file

@ -2940,6 +2940,9 @@ void dwc3_gadget_exit(struct dwc3 *dwc)
int dwc3_gadget_suspend(struct dwc3 *dwc)
{
if (!dwc->gadget_driver)
return 0;
if (dwc->pullups_connected) {
dwc3_gadget_disable_irq(dwc);
dwc3_gadget_run_stop(dwc, true, true);
@ -2958,6 +2961,9 @@ int dwc3_gadget_resume(struct dwc3 *dwc)
struct dwc3_ep *dep;
int ret;
if (!dwc->gadget_driver)
return 0;
/* Start with SuperSpeed Default */
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);

2
drivers/usb/gadget/composite.c
View file

@ -1819,6 +1819,8 @@ unknown:
break;
case USB_RECIP_ENDPOINT:
if (!cdev->config)
break;
endp = ((w_index & 0x80) >> 3) | (w_index & 0x0f);
list_for_each_entry(f, &cdev->config->functions, list) {
if (test_bit(endp, f->endpoints))

6
drivers/usb/gadget/function/rndis.c
View file

@ -690,6 +690,12 @@ static int rndis_reset_response(struct rndis_params *params,
{
rndis_reset_cmplt_type *resp;
rndis_resp_t *r;
u8 *xbuf;
u32 length;
/* drain the response queue */
while ((xbuf = rndis_get_next_response(params, &length)))
rndis_free_response(params, xbuf);
u32 length;
u8 *xbuf;

7
drivers/usb/gadget/function/u_serial.c
View file

@ -361,10 +361,15 @@ __acquires(&port->port_lock)
*/
{
struct list_head *pool = &port->write_pool;
struct usb_ep *in = port->port_usb->in;
struct usb_ep *in;
int status = 0;
bool do_tty_wake = false;
if (!port->port_usb)
return status;
in = port->port_usb->in;
while (!port->write_busy && !list_empty(pool)) {
struct usb_request *req;
int len;

9
drivers/usb/host/xhci-ring.c
View file

@ -1642,10 +1642,13 @@ static void handle_port_status(struct xhci_hcd *xhci,
}
}
if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_U0 &&
DEV_SUPERSPEED_ANY(temp)) {
if ((temp & PORT_PLC) &&
DEV_SUPERSPEED_ANY(temp) &&
((temp & PORT_PLS_MASK) == XDEV_U0 ||
(temp & PORT_PLS_MASK) == XDEV_U1 ||
(temp & PORT_PLS_MASK) == XDEV_U2)) {
xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
/* We've just brought the device into U0 through either the
/* We've just brought the device into U0/1/2 through either the
* Resume state after a device remote wakeup, or through the
* U3Exit state after a host-initiated resume. If it's a device
* initiated remote wake, don't pass up the link state change,

1
drivers/usb/host/xhci.h
View file

@ -309,6 +309,7 @@ struct xhci_op_regs {
*/
#define PORT_PLS_MASK (0xf << 5)
#define XDEV_U0 (0x0 << 5)
#define XDEV_U1 (0x1 << 5)
#define XDEV_U2 (0x2 << 5)
#define XDEV_U3 (0x3 << 5)
#define XDEV_INACTIVE (0x6 << 5)

5
drivers/usb/renesas_usbhs/mod_gadget.c
View file

@ -641,14 +641,11 @@ static int usbhsg_ep_disable(struct usb_ep *ep)
struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep);
struct usbhs_pipe *pipe;
unsigned long flags;
int ret = 0;
spin_lock_irqsave(&uep->lock, flags);
pipe = usbhsg_uep_to_pipe(uep);
if (!pipe) {
ret = -EINVAL;
if (!pipe)
goto out;
}
usbhsg_pipe_disable(uep);
usbhs_pipe_free(pipe);

1
drivers/usb/serial/cp210x.c
View file

@ -76,6 +76,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */
{ USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
{ USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */
{ USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */
{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
{ USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */
{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */

2
drivers/usb/serial/ftdi_sio.c
View file

@ -604,6 +604,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },

4
drivers/usb/serial/ftdi_sio_ids.h
View file

@ -566,7 +566,9 @@
/*
* NovaTech product ids (FTDI_VID)
*/
#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */
#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */
/*
* Synapse Wireless product ids (FTDI_VID)

4
drivers/usb/serial/mos7720.c
View file

@ -368,8 +368,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
if (!urbtrack)
return -ENOMEM;
kref_get(&mos_parport->ref_count);
urbtrack->mos_parport = mos_parport;
urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urbtrack->urb) {
kfree(urbtrack);
@ -390,6 +388,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
usb_sndctrlpipe(usbdev, 0),
(unsigned char *)urbtrack->setup,
NULL, 0, async_complete, urbtrack);
kref_get(&mos_parport->ref_count);
urbtrack->mos_parport = mos_parport;
kref_init(&urbtrack->ref_count);
INIT_LIST_HEAD(&urbtrack->urblist_entry);

13
drivers/usb/serial/option.c
View file

@ -1066,7 +1066,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */
.driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) },
/* Quectel products using Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)},
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20),
@ -1941,10 +1942,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },

3
fs/btrfs/raid56.c
View file

@ -2420,8 +2420,9 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
bitmap_clear(rbio->dbitmap, pagenr, 1);
kunmap(p);
for (stripe = 0; stripe < rbio->real_stripes; stripe++)
for (stripe = 0; stripe < nr_data; stripe++)
kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
kunmap(p_page);
}
__free_page(p_page);

11
fs/btrfs/tree-log.c
View file

@ -3321,9 +3321,16 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
}
btrfs_release_path(path);
/* find the first key from this transaction again */
/*
* Find the first key from this transaction again. See the note for
* log_new_dir_dentries, if we're logging a directory recursively we
* won't be holding its i_mutex, which means we can modify the directory
* while we're logging it. If we remove an entry between our first
* search and this search we'll not find the key again and can just
* bail.
*/
ret = btrfs_search_slot(NULL, root, &min_key, path, 0, 0);
if (WARN_ON(ret != 0))
if (ret != 0)
goto done;
/*

10
fs/dcache.c
View file

@ -1510,7 +1510,7 @@ static void check_and_drop(void *_data)
{
struct detach_data *data = _data;
if (!data->mountpoint && !data->select.found)
if (!data->mountpoint && list_empty(&data->select.dispose))
__d_drop(data->select.start);
}
@ -1552,17 +1552,15 @@ void d_invalidate(struct dentry *dentry)
d_walk(dentry, &data, detach_and_collect, check_and_drop);
if (data.select.found)
if (!list_empty(&data.select.dispose))
shrink_dentry_list(&data.select.dispose);
else if (!data.mountpoint)
return;
if (data.mountpoint) {
detach_mounts(data.mountpoint);
dput(data.mountpoint);
}
if (!data.mountpoint && !data.select.found)
break;
cond_resched();
}
}

2
fs/ext4/ext4_jbd2.h
View file

@ -372,7 +372,7 @@ static inline void ext4_update_inode_fsync_trans(handle_t *handle,
{
struct ext4_inode_info *ei = EXT4_I(inode);
if (ext4_handle_valid(handle)) {
if (ext4_handle_valid(handle) && !is_handle_aborted(handle)) {
ei->i_sync_tid = handle->h_transaction->t_tid;
if (datasync)
ei->i_datasync_tid = handle->h_transaction->t_tid;

2
fs/ext4/file.c
View file

@ -79,7 +79,7 @@ ext4_unaligned_aio(struct inode *inode, struct iov_iter *from, loff_t pos)
struct super_block *sb = inode->i_sb;
int blockmask = sb->s_blocksize - 1;
if (pos >= i_size_read(inode))
if (pos >= ALIGN(i_size_read(inode), sb->s_blocksize))
return 0;
if ((pos | iov_iter_alignment(from)) & blockmask)

12
fs/ext4/indirect.c
View file

@ -1491,10 +1491,14 @@ end_range:
partial->p + 1,
partial2->p,
(chain+n-1) - partial);
BUFFER_TRACE(partial->bh, "call brelse");
brelse(partial->bh);
BUFFER_TRACE(partial2->bh, "call brelse");
brelse(partial2->bh);
while (partial > chain) {
BUFFER_TRACE(partial->bh, "call brelse");
brelse(partial->bh);
}
while (partial2 > chain2) {
BUFFER_TRACE(partial2->bh, "call brelse");
brelse(partial2->bh);
}
return 0;
}

6
fs/inode.c
View file

@ -154,6 +154,12 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
inode->i_rdev = 0;
inode->dirtied_when = 0;
#ifdef CONFIG_CGROUP_WRITEBACK
inode->i_wb_frn_winner = 0;
inode->i_wb_frn_avg_time = 0;
inode->i_wb_frn_history = 0;
#endif
if (security_inode_alloc(inode))
goto out;
spin_lock_init(&inode->i_lock);

3
fs/proc/proc_sysctl.c
View file

@ -1550,7 +1550,8 @@ static void drop_sysctl_table(struct ctl_table_header *header)
if (--header->nreg)
return;
put_links(header);
if (parent)
put_links(header);
start_unregistering(header);
if (!--header->count)
kfree_rcu(header, rcu);

3
fs/udf/truncate.c
View file

@ -260,6 +260,9 @@ void udf_truncate_extents(struct inode *inode)
epos.block = eloc;
epos.bh = udf_tread(sb,
udf_get_lb_pblock(sb, &eloc, 0));
/* Error reading indirect block? */
if (!epos.bh)
return;
if (elen)
indirect_ext_len =
(elen + sb->s_blocksize - 1) >>

36
include/linux/rculist.h
View file

@ -399,6 +399,42 @@ static inline void hlist_add_head_rcu(struct hlist_node *n,
first->pprev = &n->next;
}
/**
* hlist_add_tail_rcu
* @n: the element to add to the hash list.
* @h: the list to add to.
*
* Description:
* Adds the specified element to the specified hlist,
* while permitting racing traversals.
*
* The caller must take whatever precautions are necessary
* (such as holding appropriate locks) to avoid racing
* with another list-mutation primitive, such as hlist_add_head_rcu()
* or hlist_del_rcu(), running on this same list.
* However, it is perfectly legal to run concurrently with
* the _rcu list-traversal primitives, such as
* hlist_for_each_entry_rcu(), used to prevent memory-consistency
* problems on Alpha CPUs. Regardless of the type of CPU, the
* list-traversal primitive must be guarded by rcu_read_lock().
*/
static inline void hlist_add_tail_rcu(struct hlist_node *n,
struct hlist_head *h)
{
struct hlist_node *i, *last = NULL;
for (i = hlist_first_rcu(h); i; i = hlist_next_rcu(i))
last = i;
if (last) {
n->next = last->next;
n->pprev = &last->next;
rcu_assign_pointer(hlist_next_rcu(last), n);
} else {
hlist_add_head_rcu(n, h);
}
}
/**
* hlist_add_before_rcu
* @n: the new element to add to the hash list.

5
include/net/inet_connection_sock.h
View file

@ -289,11 +289,6 @@ static inline int inet_csk_reqsk_queue_len(const struct sock *sk)
return reqsk_queue_len(&inet_csk(sk)->icsk_accept_queue);
}
static inline int inet_csk_reqsk_queue_young(const struct sock *sk)
{
return reqsk_queue_len_young(&inet_csk(sk)->icsk_accept_queue);
}
static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk)
{
return inet_csk_reqsk_queue_len(sk) >= sk->sk_max_ack_backlog;

2
include/net/sctp/checksum.h
View file

@ -60,7 +60,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
unsigned int offset)
{
struct sctphdr *sh = sctp_hdr(skb);
struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
__le32 ret, old = sh->checksum;
const struct skb_checksum_ops ops = {
.update = sctp_csum_update,

6
include/net/sock.h
View file

@ -652,6 +652,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
hlist_add_head_rcu(&sk->sk_node, list);
}
static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list)
{
sock_hold(sk);
hlist_add_tail_rcu(&sk->sk_node, list);
}
static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);

47
kernel/events/ring_buffer.c
View file

@ -288,6 +288,13 @@ void *perf_aux_output_begin(struct perf_output_handle *handle,
if (!rb_has_aux(rb) || !atomic_inc_not_zero(&rb->aux_refcount))
goto err;
/*
* If rb::aux_mmap_count is zero (and rb_has_aux() above went through),
* the aux buffer is in perf_mmap_close(), about to get freed.
*/
if (!atomic_read(&rb->aux_mmap_count))
goto err;
/*
* Nesting is not supported for AUX area, make sure nested
* writers are caught early
@ -468,6 +475,25 @@ static void rb_free_aux_page(struct ring_buffer *rb, int idx)
__free_page(page);
}
static void __rb_free_aux(struct ring_buffer *rb)
{
int pg;
if (rb->aux_priv) {
rb->free_aux(rb->aux_priv);
rb->free_aux = NULL;
rb->aux_priv = NULL;
}
if (rb->aux_nr_pages) {
for (pg = 0; pg < rb->aux_nr_pages; pg++)
rb_free_aux_page(rb, pg);
kfree(rb->aux_pages);
rb->aux_nr_pages = 0;
}
}
int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event,
pgoff_t pgoff, int nr_pages, long watermark, int flags)
{
@ -556,30 +582,11 @@ out:
if (!ret)
rb->aux_pgoff = pgoff;
else
rb_free_aux(rb);
__rb_free_aux(rb);
return ret;
}
static void __rb_free_aux(struct ring_buffer *rb)
{
int pg;
if (rb->aux_priv) {
rb->free_aux(rb->aux_priv);
rb->free_aux = NULL;
rb->aux_priv = NULL;
}
if (rb->aux_nr_pages) {
for (pg = 0; pg < rb->aux_nr_pages; pg++)
rb_free_aux_page(rb, pg);
kfree(rb->aux_pages);
rb->aux_nr_pages = 0;
}
}
void rb_free_aux(struct ring_buffer *rb)
{
if (atomic_dec_and_test(&rb->aux_refcount))

4
kernel/futex.c
View file

@ -3067,6 +3067,10 @@ int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi)
{
u32 uval, uninitialized_var(nval), mval;
/* Futex address must be 32bit aligned */
if ((((unsigned long)uaddr) % sizeof(*uaddr)) != 0)
return -1;
retry:
if (get_user(uval, uaddr))
return -1;

3
kernel/locking/lockdep.c
View file

@ -3314,6 +3314,9 @@ __lock_set_class(struct lockdep_map *lock, const char *name,
unsigned int depth;
int i;
if (unlikely(!debug_locks))
return 0;
depth = curr->lockdep_depth;
/*
* This function is about (re)setting the class of a held lock,

18
kernel/power/swap.c
View file

@ -36,6 +36,14 @@
#define HIBERNATE_SIG "S1SUSPEND"
/*
* When reading an {un,}compressed image, we may restore pages in place,
* in which case some architectures need these pages cleaning before they
* can be executed. We don't know which pages these may be, so clean the lot.
*/
static bool clean_pages_on_read;
static bool clean_pages_on_decompress;
/*
* The swap map is a data structure used for keeping track of each page
* written to a swap partition. It consists of many swap_map_page
@ -241,6 +249,9 @@ static void hib_end_io(struct bio *bio)
if (bio_data_dir(bio) == WRITE)
put_page(page);
else if (clean_pages_on_read)
flush_icache_range((unsigned long)page_address(page),
(unsigned long)page_address(page) + PAGE_SIZE);
if (bio->bi_error && !hb->error)
hb->error = bio->bi_error;
@ -1049,6 +1060,7 @@ static int load_image(struct swap_map_handle *handle,
hib_init_batch(&hb);
clean_pages_on_read = true;
printk(KERN_INFO "PM: Loading image data pages (%u pages)...\n",
nr_to_read);
m = nr_to_read / 10;
@ -1124,6 +1136,10 @@ static int lzo_decompress_threadfn(void *data)
d->unc_len = LZO_UNC_SIZE;
d->ret = lzo1x_decompress_safe(d->cmp + LZO_HEADER, d->cmp_len,
d->unc, &d->unc_len);
if (clean_pages_on_decompress)
flush_icache_range((unsigned long)d->unc,
(unsigned long)d->unc + d->unc_len);
atomic_set(&d->stop, 1);
wake_up(&d->done);
}
@ -1189,6 +1205,8 @@ static int load_image_lzo(struct swap_map_handle *handle,
}
memset(crc, 0, offsetof(struct crc_data, go));
clean_pages_on_decompress = true;
/*
* Start the decompression threads.
*/

3
lib/int_sqrt.c
View file

@ -22,6 +22,9 @@ unsigned long int_sqrt(unsigned long x)
return x;
m = 1UL << (BITS_PER_LONG - 2);
while (m > x)
m >>= 2;
while (m != 0) {
b = y + m;
y >>= 1;

2
mm/rmap.c
View file

@ -408,7 +408,7 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
struct anon_vma *anon_vma = avc->anon_vma;
BUG_ON(anon_vma->degree);
VM_WARN_ON(anon_vma->degree);
put_anon_vma(anon_vma);
list_del(&avc->same_vma);

83
net/bluetooth/l2cap_core.c
View file

@ -3315,16 +3315,22 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
if (len < 0)
break;
hint = type & L2CAP_CONF_HINT;
type &= L2CAP_CONF_MASK;
switch (type) {
case L2CAP_CONF_MTU:
if (olen != 2)
break;
mtu = val;
break;
case L2CAP_CONF_FLUSH_TO:
if (olen != 2)
break;
chan->flush_to = val;
break;
@ -3332,26 +3338,30 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
break;
case L2CAP_CONF_RFC:
if (olen == sizeof(rfc))
memcpy(&rfc, (void *) val, olen);
if (olen != sizeof(rfc))
break;
memcpy(&rfc, (void *) val, olen);
break;
case L2CAP_CONF_FCS:
if (olen != 1)
break;
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS, &chan->conf_state);
break;
case L2CAP_CONF_EFS:
if (olen == sizeof(efs)) {
remote_efs = 1;
memcpy(&efs, (void *) val, olen);
}
if (olen != sizeof(efs))
break;
remote_efs = 1;
memcpy(&efs, (void *) val, olen);
break;
case L2CAP_CONF_EWS:
if (olen != 2)
break;
if (!(chan->conn->local_fixed_chan & L2CAP_FC_A2MP))
return -ECONNREFUSED;
set_bit(FLAG_EXT_CTRL, &chan->flags);
set_bit(CONF_EWS_RECV, &chan->conf_state);
chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
@ -3361,7 +3371,6 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
default:
if (hint)
break;
result = L2CAP_CONF_UNKNOWN;
*((u8 *) ptr++) = type;
break;
@ -3526,58 +3535,65 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
if (len < 0)
break;
switch (type) {
case L2CAP_CONF_MTU:
if (olen != 2)
break;
if (val < L2CAP_DEFAULT_MIN_MTU) {
*result = L2CAP_CONF_UNACCEPT;
chan->imtu = L2CAP_DEFAULT_MIN_MTU;
} else
chan->imtu = val;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu, endptr - ptr);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu,
endptr - ptr);
break;
case L2CAP_CONF_FLUSH_TO:
if (olen != 2)
break;
chan->flush_to = val;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO,
2, chan->flush_to, endptr - ptr);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2,
chan->flush_to, endptr - ptr);
break;
case L2CAP_CONF_RFC:
if (olen == sizeof(rfc))
memcpy(&rfc, (void *)val, olen);
if (olen != sizeof(rfc))
break;
memcpy(&rfc, (void *)val, olen);
if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
rfc.mode != chan->mode)
return -ECONNREFUSED;
chan->fcs = 0;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc, endptr - ptr);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
(unsigned long) &rfc, endptr - ptr);
break;
case L2CAP_CONF_EWS:
if (olen != 2)
break;
chan->ack_win = min_t(u16, val, chan->ack_win);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
chan->tx_win, endptr - ptr);
break;
case L2CAP_CONF_EFS:
if (olen == sizeof(efs)) {
memcpy(&efs, (void *)val, olen);
if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != chan->local_stype)
return -ECONNREFUSED;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
(unsigned long) &efs, endptr - ptr);
}
if (olen != sizeof(efs))
break;
memcpy(&efs, (void *)val, olen);
if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != chan->local_stype)
return -ECONNREFUSED;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
(unsigned long) &efs, endptr - ptr);
break;
case L2CAP_CONF_FCS:
if (olen != 1)
break;
if (*result == L2CAP_CONF_PENDING)
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS,
@ -3706,13 +3722,18 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
if (len < 0)
break;
switch (type) {
case L2CAP_CONF_RFC:
if (olen == sizeof(rfc))
memcpy(&rfc, (void *)val, olen);
if (olen != sizeof(rfc))
break;
memcpy(&rfc, (void *)val, olen);
break;
case L2CAP_CONF_EWS:
if (olen != 2)
break;
txwin_ext = val;
break;
}

8
net/dccp/ipv4.c
View file

@ -592,13 +592,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
if (inet_csk_reqsk_queue_is_full(sk))
goto drop;
/*
* Accept backlog is full. If we have already queued enough
* of warm entries in syn queue, drop request. It is better than
* clogging syn queue with openreqs with exponentially increasing
* timeout.
*/
if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
if (sk_acceptq_is_full(sk))
goto drop;
req = inet_reqsk_alloc(&dccp_request_sock_ops, sk, true);

6
net/dccp/ipv6.c
View file

@ -324,7 +324,7 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
if (inet_csk_reqsk_queue_is_full(sk))
goto drop;
if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
if (sk_acceptq_is_full(sk))
goto drop;
req = inet_reqsk_alloc(&dccp6_request_sock_ops, sk, true);
@ -427,8 +427,8 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
newnp->mcast_oif = inet_iif(skb);
newnp->mcast_hops = ip_hdr(skb)->ttl;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count

8
net/ipv4/tcp_input.c
View file

@ -6306,13 +6306,7 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops,
goto drop;
}
/* Accept backlog is full. If we have already queued enough
* of warm entries in syn queue, drop request. It is better than
* clogging syn queue with openreqs with exponentially increasing
* timeout.
*/
if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) {
if (sk_acceptq_is_full(sk)) {
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS);
goto drop;
}

8
net/ipv6/tcp_ipv6.c
View file

@ -1045,11 +1045,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
newnp->mcast_oif = tcp_v6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
newnp->mcast_oif = inet_iif(skb);
newnp->mcast_hops = ip_hdr(skb)->ttl;
newnp->rcv_flowinfo = 0;
if (np->repflow)
newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
newnp->flow_label = 0;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count

4
net/packet/af_packet.c
View file

@ -3155,7 +3155,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
}
mutex_lock(&net->packet.sklist_lock);
sk_add_node_rcu(sk, &net->packet.sklist);
sk_add_node_tail_rcu(sk, &net->packet.sklist);
mutex_unlock(&net->packet.sklist_lock);
preempt_disable();
@ -4130,7 +4130,7 @@ static struct pgv *alloc_pg_vec(struct tpacket_req *req, int order)
struct pgv *pg_vec;
int i;
pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL);
pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL | __GFP_NOWARN);
if (unlikely(!pg_vec))
goto out;

21
net/rose/rose_subr.c
View file

@ -105,16 +105,17 @@ void rose_write_internal(struct sock *sk, int frametype)
struct sk_buff *skb;
unsigned char *dptr;
unsigned char lci1, lci2;
char buffer[100];
int len, faclen = 0;
int maxfaclen = 0;
int len, faclen;
int reserve;
len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
reserve = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1;
len = ROSE_MIN_LEN;
switch (frametype) {
case ROSE_CALL_REQUEST:
len += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN;
faclen = rose_create_facilities(buffer, rose);
len += faclen;
maxfaclen = 256;
break;
case ROSE_CALL_ACCEPTED:
case ROSE_CLEAR_REQUEST:
@ -123,15 +124,16 @@ void rose_write_internal(struct sock *sk, int frametype)
break;
}
if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
skb = alloc_skb(reserve + len + maxfaclen, GFP_ATOMIC);
if (!skb)
return;
/*
* Space for AX.25 header and PID.
*/
skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1);
skb_reserve(skb, reserve);
dptr = skb_put(skb, skb_tailroom(skb));
dptr = skb_put(skb, len);
lci1 = (rose->lci >> 8) & 0x0F;
lci2 = (rose->lci >> 0) & 0xFF;
@ -146,7 +148,8 @@ void rose_write_internal(struct sock *sk, int frametype)
dptr += ROSE_ADDR_LEN;
memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN);
dptr += ROSE_ADDR_LEN;
memcpy(dptr, buffer, faclen);
faclen = rose_create_facilities(dptr, rose);
skb_put(skb, faclen);
dptr += faclen;
break;

16
net/wireless/nl80211.c
View file

@ -11721,7 +11721,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
@ -11873,7 +11873,7 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp);
if (!msg)
return;
@ -11913,7 +11913,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp);
if (!msg)
return;
@ -11951,7 +11951,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
if (!msg)
return;
@ -12028,7 +12028,7 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
trace_cfg80211_notify_new_peer_candidate(dev, addr);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + ie_len, gfp);
if (!msg)
return;
@ -12397,7 +12397,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return -ENOMEM;
@ -12440,7 +12440,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
@ -13244,7 +13244,7 @@ void cfg80211_ft_event(struct net_device *netdev,
if (!ft_event->target_ap)
return;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL);
if (!msg)
return;

2
scripts/setlocalversion
View file

@ -143,7 +143,7 @@ fi
if test -e include/config/auto.conf; then
. include/config/auto.conf
else
echo "Error: kernelrelease not valid - run 'make prepare' to update it"
echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
exit 1
fi

13
sound/core/compress_offload.c
View file

@ -38,6 +38,7 @@
#include <linux/uio.h>
#include <linux/uaccess.h>
#include <linux/module.h>
#include <linux/compat.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/compress_params.h>
@ -859,6 +860,15 @@ static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
return retval;
}
/* support of 32bit userspace on 64bit platforms */
#ifdef CONFIG_COMPAT
static long snd_compr_ioctl_compat(struct file *file, unsigned int cmd,
unsigned long arg)
{
return snd_compr_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
}
#endif
static const struct file_operations snd_compr_file_ops = {
.owner = THIS_MODULE,
.open = snd_compr_open,
@ -866,6 +876,9 @@ static const struct file_operations snd_compr_file_ops = {
.write = snd_compr_write,
.read = snd_compr_read,
.unlocked_ioctl = snd_compr_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = snd_compr_ioctl_compat,
#endif
.mmap = snd_compr_mmap,
.poll = snd_compr_poll,
};

43
sound/core/oss/pcm_oss.c
View file

@ -950,6 +950,28 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
params_channels(params) / 8;
err = snd_pcm_oss_period_size(substream, params, sparams);
if (err < 0)
goto failure;
n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
if (err < 0)
goto failure;
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->oss.periods, NULL);
if (err < 0)
goto failure;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams);
if (err < 0) {
pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
goto failure;
}
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
snd_pcm_oss_plugin_clear(substream);
if (!direct) {
@ -984,27 +1006,6 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
}
#endif
err = snd_pcm_oss_period_size(substream, params, sparams);
if (err < 0)
goto failure;
n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
if (err < 0)
goto failure;
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->oss.periods, NULL);
if (err < 0)
goto failure;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) {
pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
goto failure;
}
if (runtime->oss.trigger) {
sw_params->start_threshold = 1;
} else {

9
sound/core/pcm_native.c
View file

@ -1254,8 +1254,15 @@ static int snd_pcm_pause(struct snd_pcm_substream *substream, int push)
static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
switch (runtime->status->state) {
case SNDRV_PCM_STATE_SUSPENDED:
return -EBUSY;
/* unresumable PCM state; return -EBUSY for skipping suspend */
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_DISCONNECTED:
return -EBUSY;
}
runtime->trigger_master = substream;
return 0;
}

2
sound/core/rawmidi.c
View file

@ -29,6 +29,7 @@
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/nospec.h>
#include <sound/rawmidi.h>
#include <sound/info.h>
#include <sound/control.h>
@ -591,6 +592,7 @@ static int __snd_rawmidi_info_select(struct snd_card *card,
return -ENXIO;
if (info->stream < 0 || info->stream > 1)
return -EINVAL;
info->stream = array_index_nospec(info->stream, 2);
pstr = &rmidi->streams[info->stream];
if (pstr->substream_count == 0)
return -ENOENT;

7
sound/core/seq/oss/seq_oss_synth.c
View file

@ -617,13 +617,14 @@ int
snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf)
{
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev);
if (dev < 0 || dev >= dp->max_synthdev)
if (!info)
return -ENXIO;
if (dp->synths[dev].is_midi) {
if (info->is_midi) {
struct midi_info minf;
snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf);
snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf);
inf->synth_type = SYNTH_TYPE_MIDI;
inf->synth_subtype = 0;
inf->nr_voices = 16;

57
sound/pci/hda/hda_codec.c
View file

@ -3004,6 +3004,7 @@ static void hda_call_codec_resume(struct hda_codec *codec)
hda_jackpoll_work(&codec->jackpoll_work.work);
else
snd_hda_jack_report_sync(codec);
codec->core.dev.power.power_state = PMSG_ON;
atomic_dec(&codec->core.in_pm);
}
@ -3036,10 +3037,62 @@ static int hda_codec_runtime_resume(struct device *dev)
}
#endif /* CONFIG_PM */
#ifdef CONFIG_PM_SLEEP
static int hda_codec_force_resume(struct device *dev)
{
int ret;
/* The get/put pair below enforces the runtime resume even if the
* device hasn't been used at suspend time. This trick is needed to
* update the jack state change during the sleep.
*/
pm_runtime_get_noresume(dev);
ret = pm_runtime_force_resume(dev);
pm_runtime_put(dev);
return ret;
}
static int hda_codec_pm_suspend(struct device *dev)
{
dev->power.power_state = PMSG_SUSPEND;
return pm_runtime_force_suspend(dev);
}
static int hda_codec_pm_resume(struct device *dev)
{
dev->power.power_state = PMSG_RESUME;
return hda_codec_force_resume(dev);
}
static int hda_codec_pm_freeze(struct device *dev)
{
dev->power.power_state = PMSG_FREEZE;
return pm_runtime_force_suspend(dev);
}
static int hda_codec_pm_thaw(struct device *dev)
{
dev->power.power_state = PMSG_THAW;
return hda_codec_force_resume(dev);
}
static int hda_codec_pm_restore(struct device *dev)
{
dev->power.power_state = PMSG_RESTORE;
return hda_codec_force_resume(dev);
}
#endif /* CONFIG_PM_SLEEP */
/* referred in hda_bind.c */
const struct dev_pm_ops hda_codec_driver_pm = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
#ifdef CONFIG_PM_SLEEP
.suspend = hda_codec_pm_suspend,
.resume = hda_codec_pm_resume,
.freeze = hda_codec_pm_freeze,
.thaw = hda_codec_pm_thaw,
.poweroff = hda_codec_pm_suspend,
.restore = hda_codec_pm_restore,
#endif /* CONFIG_PM_SLEEP */
SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
NULL)
};

20
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
View file

@ -238,19 +238,15 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params)
if (!(decoder->tsc_ctc_ratio_n % decoder->tsc_ctc_ratio_d))
decoder->tsc_ctc_mult = decoder->tsc_ctc_ratio_n /
decoder->tsc_ctc_ratio_d;
/*
* Allow for timestamps appearing to backwards because a TSC
* packet has slipped past a MTC packet, so allow 2 MTC ticks
* or ...
*/
decoder->tsc_slip = multdiv(2 << decoder->mtc_shift,
decoder->tsc_ctc_ratio_n,
decoder->tsc_ctc_ratio_d);
}
/* ... or 0x100 paranoia */
if (decoder->tsc_slip < 0x100)
decoder->tsc_slip = 0x100;
/*
* A TSC packet can slip past MTC packets so that the timestamp appears
* to go backwards. One estimate is that can be up to about 40 CPU
* cycles, which is certainly less than 0x1000 TSC ticks, but accept
* slippage an order of magnitude more to be on the safe side.
*/
decoder->tsc_slip = 0x10000;
intel_pt_log("timestamp: mtc_shift %u\n", decoder->mtc_shift);
intel_pt_log("timestamp: tsc_ctc_ratio_n %u\n", decoder->tsc_ctc_ratio_n);

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