Andrey Utkin 59eba2d1ec [media] saa7146: Fix for while releasing video buffers ... Fix this bug: "[BUG] process stuck when closing saa7146 [dvb_ttpci]" Release queued DMA buffers when ending streaming, so that videobuf_waiton() doesn't block forever. As reported, this fixes avoids occasional lockup of process reading from video device, which manifests in such log: INFO: task ffmpeg:9864 blocked for more than 120 seconds. Tainted: P O 4.6.7 #3 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. ffmpeg D ffff880177cc7b00 0 9864 1 0x00000000 ffff880177cc7b00 0000000000000202 0000000000000202 ffffffff8180b4c0 ffff88019d79e4c0 ffffffff81064050 ffff880177cc7ae0 ffff880177cc8000 ffff880177cc7b18 ffff8801fd41d648 ffff8802307acca0 ffff8802307acc70 Call Trace: [<ffffffff81064050>] ? preempt_count_add+0x89/0xab [<ffffffff81477215>] schedule+0x86/0x9e [<ffffffff81477215>] ? schedule+0x86/0x9e [<ffffffffa0fe1c96>] videobuf_waiton+0x131/0x15e [videobuf_core] [<ffffffff8107727b>] ? wait_woken+0x6d/0x6d [<ffffffffa1017be9>] saa7146_dma_free+0x39/0x5b [saa7146_vv] [<ffffffffa10186c4>] buffer_release+0x2a/0x3e [saa7146_vv] [<ffffffffa0fee4a8>] videobuf_vm_close+0xd8/0x103 [videobuf_dma_sg] [<ffffffff8112049e>] remove_vma+0x25/0x4d [<ffffffff81121a32>] exit_mmap+0xce/0xf7 [<ffffffff8104381d>] mmput+0x4e/0xe2 [<ffffffff810491fd>] do_exit+0x372/0x920 [<ffffffff81049813>] do_group_exit+0x3c/0x98 [<ffffffff810522ef>] get_signal+0x4e8/0x56e [<ffffffff810710a5>] ? task_dead_fair+0xd/0xf [<ffffffff81017020>] do_signal+0x23/0x521 [<ffffffff81479e82>] ? _raw_spin_unlock_irqrestore+0x13/0x25 [<ffffffff8109710d>] ? hrtimer_try_to_cancel+0xd7/0x104 [<ffffffff8109b306>] ? ktime_get+0x4c/0xa1 [<ffffffff81096ea6>] ? update_rmtp+0x46/0x5b [<ffffffff81097ce0>] ? hrtimer_nanosleep+0xe4/0x10e [<ffffffff81096e3c>] ? hrtimer_init+0xeb/0xeb [<ffffffff810014f8>] exit_to_usermode_loop+0x4f/0x93 [<ffffffff810019fe>] syscall_return_slowpath+0x3b/0x46 [<ffffffff8147a355>] entry_SYSCALL_64_fastpath+0x8d/0x8f Reported-by: Philipp Matthias Hahn <pmhahn+video@pmhahn.de> Tested-by: Philipp Matthias Hahn <pmhahn+video@pmhahn.de> Signed-off-by: Andrey Utkin <andrey_utkin@fastmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>		2016-11-23 19:52:12 -02:00
..
accessibility
acpi	Revert "ACPICA: FADT support cleanup"	2016-11-14 20:56:17 +01:00
amba
android	ANDROID: binder: Clear binder and cookie when setting handle in flat binder struct	2016-10-24 19:37:48 +02:00
ata	ahci: fix the single MSI-X case in ahci_init_one	2016-10-25 11:43:07 -04:00
atm
auxdisplay	auxdisplay: img-ascii-lcd: driver for simple ASCII LCD displays	2016-10-06 17:03:41 +02:00
base	driver core fixes for 4.9-rc5	2016-11-13 10:22:07 -08:00
bcma
block	aoe: fix crash in page count manipulation	2016-11-12 08:27:07 -07:00
bluetooth	Bluetooth: btwilink: Fix probe return value	2016-10-20 10:14:49 +02:00
bus	bus: qcom-ebi2: depend on ARCH_QCOM or COMPILE_TEST	2016-10-17 13:46:09 -07:00
cdrom
char	ipmi/bt-bmc: change compatible node to 'aspeed, ast2400-ibt-bmc'	2016-11-17 16:31:09 -08:00
clk	clk: mmp: pxa910: fix return value check in pxa910_clk_init()	2016-11-01 17:41:20 -07:00
clocksource	Revert "clocksource/drivers/timer_sun5i: Replace code by clocksource_mmio_init"	2016-10-20 21:58:58 +02:00
connector
cpufreq	Merge branches 'pm-cpufreq-fixes' and 'pm-sleep-fixes'	2016-10-29 01:29:17 +02:00
cpuidle	Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus	2016-10-15 09:26:12 -07:00
crypto	crypto: caam - fix type mismatch warning	2016-11-17 22:14:21 +08:00
dax	device-dax: fix percpu_ref_exit ordering	2016-10-27 17:04:05 -07:00
dca
devfreq	PM / devfreq: Skip status update on uninitialized previous_freq	2016-10-11 00:01:20 +02:00
dio
dma	dmaengine: cppi41: More PM runtime fixes	2016-11-17 16:09:23 +05:30
dma-buf	Merge tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux	2016-10-11 18:12:22 -07:00
edac	* Altera Arria10 enablement of NAND, DMA, USB, QSPI and SD-MMC FIFO	2016-10-04 12:06:26 -07:00
eisa
extcon	extcon: qcom-spmi-misc: Sync the extcon state on interrupt	2016-10-26 16:04:29 +09:00
firewire	firewire: net: fix fragmented datagram_size off-by-one	2016-11-03 14:46:39 +01:00
firmware	efi/arm: Fix absolute relocation detection for older toolchains	2016-10-19 14:49:44 +02:00
fmc
fpga
gpio	gpio: Remove GPIO_DEVRES option	2016-11-16 20:46:32 +01:00
gpu	Merge tag 'drm-intel-fixes-2016-11-17' of ssh://git.freedesktop.org/git/drm-intel into drm-fixes	2016-11-18 10:33:28 +10:00
hid	HID: sensor: fix attributes in HID sensor interface	2016-11-05 16:56:09 +01:00
hsi
hv	vmbus: make sysfs names consistent with PCI	2016-11-01 09:07:13 -06:00
hwmon	hwmon: (core) fix resource leak on devm_kcalloc failure	2016-10-24 06:05:13 -07:00
hwspinlock
hwtracing
i2c	i2c: i2c-mux-pca954x: fix deselect enabling for device-tree	2016-11-19 21:49:29 +01:00
ide
idle	nmi_backtrace: generate one-line reports for idle cpus	2016-10-07 18:46:30 -07:00
iio	iio: maxim_thermocouple: detect invalid storage size in read()	2016-11-13 10:08:32 +01:00
infiniband	First round of -rc fixes	2016-11-17 13:53:02 -08:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2016-11-05 11:26:11 -07:00
iommu	iommu/vt-d: Fix dead-locks in disable_dmar_iommu() path	2016-11-08 15:08:26 +01:00
ipack	ipack: print a hex number after a 0x prefix	2016-10-27 18:43:43 -07:00
irqchip	GIC updates for Linux 4.9-rc2	2016-10-21 21:40:29 +02:00
isdn
leds
lguest
lightnvm	Merge branch 'for-4.9/block' of git://git.kernel.dk/linux-block	2016-10-07 14:42:05 -07:00
macintosh
mailbox	mailbox: PCC: Fix lockdep warning when request PCC channel	2016-11-14 22:07:38 +01:00
mcb	mcb: Add a dma_device to mcb_device	2016-09-27 12:33:47 +02:00
md	Merge tag 'md/4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md	2016-11-05 11:34:07 -07:00
media	[media] saa7146: Fix for while releasing video buffers	2016-11-23 19:52:12 -02:00
memory	ARM: SoC driver updates for v4.9	2016-10-07 21:23:40 -07:00
memstick	memstick: rtsx_usb_ms: Manage runtime PM when accessing the device	2016-10-17 15:43:05 +02:00
message
mfd	mfd: core: Fix device reference leak in mfd_clone_cell	2016-11-16 09:50:41 +00:00
misc	mei: bus: fix received data size check in NFC fixup	2016-10-31 10:25:22 -06:00
mmc	mmc: mxs: Initialize the spinlock prior to using it	2016-11-07 13:30:08 +01:00
mtd	MTD updates for 4.9-rc4:	2016-11-05 10:52:29 -07:00
net	mlxsw: spectrum_router: Flush FIB tables during fini	2016-11-14 16:45:16 -05:00
nfc	mei: bus: fix received data size check in NFC fixup	2016-10-31 10:25:22 -06:00
ntb	ntb_perf: potential info leak in debugfs	2016-11-13 16:48:30 -05:00
nubus
nvdimm	nvdimm: make CONFIG_NVDIMM_DAX 'bool'	2016-10-27 16:16:21 -07:00
nvme	nvme/pci: Don't free queues on error	2016-11-16 12:39:57 -07:00
nvmem	ARM: SoC driver updates for v4.9	2016-10-07 21:23:40 -07:00
of	Revert "console: don't prefer first registered if DT specifies stdout-path"	2016-11-11 08:12:37 -08:00
oprofile	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-10-10 20:16:43 -07:00
parisc
parport
pci	Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-11-14 08:39:56 -08:00
pcmcia	pcmcia: fix return value of soc_pcmcia_regulator_set	2016-11-11 08:45:08 -08:00
perf	perf: xgene: Remove bogus IS_ERR() check	2016-10-17 15:50:07 +01:00
phy	phy: sun4i: check PMU presence when poking unknown bit of pmu	2016-11-05 13:45:02 +05:30
pinctrl	pinctrl-aspeed-g5: Never set SCU90[6]	2016-11-07 10:31:33 +01:00
platform	ACPI fix for v4.9-rc5	2016-11-11 17:02:01 -08:00
pnp
power	power supply and reset changes for the v4.9 series	2016-10-06 18:21:15 -07:00
powercap
pps	pps: kc: fix non-tickless system config dependency	2016-10-11 15:06:32 -07:00
ps3
ptp	drivers/ptp: Fix kernel memory disclosure	2016-10-13 10:20:06 -04:00
pwm
rapidio	mm: replace get_user_pages() write/force parameters with gup_flags	2016-10-19 08:11:43 -07:00
ras
regulator	regulator: core: silence warning: "VDD1: ramp_delay not set"	2016-10-28 18:22:40 +01:00
remoteproc	rpmsg updates for v4.9	2016-10-06 17:03:49 -07:00
reset	reset: uniphier: rename MIO reset to SD reset for Pro5, PXs2, LD20 SoCs	2016-10-22 18:31:42 +09:00
rpmsg
rtc	rtc: omap: prevent disabling of clock/module during suspend	2016-11-04 23:11:39 +01:00
s390	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	2016-10-27 14:16:30 -07:00
sbus
scsi	SCSI fixes on 20161111	2016-11-13 10:07:08 -08:00
sfi
sh
sn
soc	powerpc updates for 4.9 #2	2016-10-14 11:07:42 -07:00
spi	Merge remote-tracking branches 'spi/fix/dt', 'spi/fix/fsl-dspi' and 'spi/fix/fsl-espi' into spi-linus	2016-10-29 12:51:55 -06:00
spmi	spmi: pmic-arb: Return an error code if sanity check fails	2016-09-27 12:43:34 +02:00
ssb
staging	[media] staging: media: davinci_vpfe: unlock on error in vpfe_reqbufs()	2016-11-23 13:59:21 -02:00
target	target/tcm_fc: use CPU affinity for responses	2016-10-21 01:19:44 -07:00
tc
thermal	thermal/powerclamp: correct cpu support check	2016-10-20 14:15:44 +08:00
thunderbolt
tty	tty: serial_core: fix NULL struct tty pointer access in uart_write_wakeup	2016-10-28 08:13:07 -04:00
uio
usb	USB: cdc-acm: fix TIOCMIWAIT	2016-11-10 13:12:59 +01:00
uwb	uwb: fix device reference leaks	2016-11-01 09:04:04 -06:00
vfio	vfio/pci: Fix integer overflows, bitmask check	2016-10-26 13:49:29 -06:00
vhost
video	video: ARM CLCD: fix Vexpress regression	2016-11-03 12:20:14 +02:00
virt	mm: replace get_user_pages() write/force parameters with gup_flags	2016-10-19 08:11:43 -07:00
virtio	virtio_ring: mark vring_dma_dev inline	2016-10-31 00:40:08 +02:00
vlynq
vme	vme: vme_get_size potentially returning incorrect value on failure	2016-10-28 08:25:18 -04:00
w1
watchdog	Merge branches 'acpi-wdat' and 'acpi-cppc'	2016-10-21 22:24:23 +02:00
xen	xen: fixes for 4.9-rc2	2016-10-24 19:52:24 -07:00
zorro
Kconfig
Makefile	A small bug fix and a new driver for acting as an IPMI device.	2016-10-23 15:56:23 -07:00