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1d6ef27659
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Jiang Yi 1d6ef27659 target: Fix COMPARE_AND_WRITE caw_sem leak during se_cmd quiesce 
This patch addresses a COMPARE_AND_WRITE se_device->caw_sem leak,
that would be triggered during normal se_cmd shutdown or abort
via __transport_wait_for_tasks().

This would occur because target_complete_cmd() would catch this
early and do complete_all(&cmd->t_transport_stop_comp), but since
target_complete_ok_work() or target_complete_failure_work() are
never called to invoke se_cmd->transport_complete_callback(),
the COMPARE_AND_WRITE specific callbacks never release caw_sem.

To address this special case, go ahead and release caw_sem
directly from target_complete_cmd().

(Remove '&& success' from check, to release caw_sem regardless
 of scsi_status - nab)

Signed-off-by: Jiang Yi <jiangyilism@gmail.com>
Cc: <stable@vger.kernel.org> # 3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-07-06 23:11:32 -07:00
..
accessibility
acpi More ACPI updates for v4.12-rc1 2017-05-10 09:35:42 -07:00
amba
android
ata ARM: SoC driver updates 2017-05-09 10:01:15 -07:00
atm
auxdisplay
base More power management updates for v4.12-rc1 2017-05-10 09:12:30 -07:00
bcma
block virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00
bluetooth Bluetooth: hci_ldisc: Add protocol check to hci_uart_tx_wakeup() 2017-04-30 12:22:14 +02:00
bus
cdrom
char Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
clk Sort of on the quieter side this time, which is probably due more 2017-05-10 13:38:18 -07:00
clocksource Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-05-12 10:43:25 -07:00
connector
cpufreq Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-05-12 09:56:30 -07:00
cpuidle Merge branches 'pm-domains', 'pm-cpuidle', 'pm-sleep' and 'powercap' 2017-05-09 23:21:46 +02:00
crypto virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00
dax Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm 2017-05-12 15:43:10 -07:00
dca
devfreq
dio
dma dmaengine updates for 4.12-rc1 2017-05-09 15:40:28 -07:00
dma-buf
edac
eisa
extcon
firewire
firmware ARM: SoC driver updates 2017-05-09 10:01:15 -07:00
fmc
fpga
fsi
gpio Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
gpu drm/i915: Make vblank evade warnings optional 2017-05-12 14:28:02 +10:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2017-05-02 19:09:35 -07:00
hsi
hv char/misc patches for 4.12-rc1 2017-05-04 19:15:35 -07:00
hwmon hwmon: (twl4030-madc) drop driver 2017-04-30 11:45:31 -07:00
hwspinlock
hwtracing drivers/hwtracing/intel_th/msu.c: use set_memory.h header 2017-05-08 17:15:14 -07:00
i2c Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
ide ide: don't call memcpy with the same source and destination 2017-05-08 17:36:39 -04:00
idle x86/intel_idle: add Gemini Lake support 2017-05-01 23:17:37 +02:00
iio Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
infiniband IB/srpt: Make a debug statement in srpt_abort_cmd() more informative 2017-07-06 22:58:01 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2017-05-13 10:25:05 -07:00
iommu IOMMU Updates for Linux v4.12 2017-05-09 15:15:47 -07:00
ipack
irqchip Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2017-05-12 09:56:30 -07:00
isdn Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
leds scripts/spelling.txt: add "memory" pattern and fix typos 2017-05-08 17:15:13 -07:00
lguest
lightnvm lightnvm: fix bad back free on error path 2017-05-04 07:53:04 -06:00
macintosh DeviceTree for 4.12: 2017-05-05 19:33:07 -07:00
mailbox
mcb
md mm, vmalloc: use __GFP_HIGHMEM implicitly 2017-05-08 17:15:13 -07:00
media Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
memory MTD updates for 4.12-rc1: 2017-05-11 10:44:22 -07:00
memstick
message
mfd
misc Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
mmc Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
mtd This pull request contains updates for both UBI and UBIFS: 2017-05-13 10:23:12 -07:00
net powerpc updates for 4.12 part 2 2017-05-12 10:04:09 -07:00
nfc
ntb
nubus
nvdimm Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm 2017-05-12 15:43:10 -07:00
nvme Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2017-05-11 11:01:56 -07:00
nvmem ARM: SoC driver updates 2017-05-09 10:01:15 -07:00
of powerpc updates for 4.12 part 2 2017-05-12 10:04:09 -07:00
oprofile
parisc
parport
pci Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
pcmcia Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
perf
phy
pinctrl Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2017-05-02 19:09:35 -07:00
platform char/misc patches for 4.12-rc1 2017-05-04 19:15:35 -07:00
pnp
power power supply and reset changes for the v4.12 series (part 2) 2017-05-12 12:02:21 -07:00
powercap powercap: intel_rapl: Add support for Gemini Lake 2017-04-28 23:56:16 +02:00
pps
ps3
ptp Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-05-01 16:15:18 -07:00
pwm
rapidio char/misc patches for 4.12-rc1 2017-05-04 19:15:35 -07:00
ras
regulator Merge remote-tracking branch 'regulator/topic/vctrl' into regulator-next 2017-04-30 22:17:44 +09:00
remoteproc virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00
reset ARM: SoC driver updates 2017-05-09 10:01:15 -07:00
rpmsg virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00
rtc RTC for 4.12 2017-05-10 19:37:14 -07:00
s390 virtio: fixes, cleanups, performance 2017-05-10 11:33:08 -07:00
sbus
scsi ibmvscsis: Use tpgt passed in by user 2017-07-06 23:11:28 -07:00
sfi
sh
sn
soc powerpc updates for 4.12 part 2 2017-05-12 10:04:09 -07:00
spi
spmi
ssb
staging Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
target target: Fix COMPARE_AND_WRITE caw_sem leak during se_cmd quiesce 2017-07-06 23:11:32 -07:00
tc
tee TEE driver infrastructure and OP-TEE drivers 2017-05-10 11:20:09 -07:00
thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2017-05-12 11:58:45 -07:00
thunderbolt
tty Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
uio
usb DeviceTree for 4.12: 2017-05-05 19:33:07 -07:00
uwb
vfio powerpc updates for 4.12 part 1. 2017-05-05 11:36:44 -07:00
vhost vhost/scsi: Don't reinvent the wheel but use existing llist API 2017-06-08 23:26:37 -07:00
video fbdev changes for v4.12: 2017-05-11 11:12:26 -07:00
virt drivers/virt/fsl_hypervisor.c: use get_user_pages_unlocked() 2017-05-08 17:15:10 -07:00
virtio virtio: allow extra context per descriptor 2017-05-02 23:41:43 +03:00
vlynq
vme
w1
watchdog Annotation of module parameters that specify device settings 2017-05-10 19:13:03 -07:00
xen xen/scsiback: Make TMF processing slightly faster 2017-07-06 22:58:03 -07:00
zorro
Kconfig
Makefile TEE driver infrastructure and OP-TEE drivers 2017-05-10 11:20:09 -07:00