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Alexandru Ardelean 3da6675195 iio: dac: ad5592r: fix unbalanced mutex unlocks in ad5592r_read_raw() 
commit 65afb0932a81c1de719ceee0db0b276094b10ac8 upstream.

There are 2 exit paths where the lock isn't held, but try to unlock the
mutex when exiting. In these places we should just return from the
function.

A neater approach would be to cleanup the ad5592r_read_raw(), but that
would make this patch more difficult to backport to stable versions.

Fixes 56ca9db862bf3: ("iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs")
Reported-by: Charles Stanhope <charles.stanhope@gmail.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-03-16 16:34:03 +08:00
Documentation dt-bindings: iio: io-channel-mux: Fix compatible string in example code 2021-03-16 16:34:03 +08:00
LICENSES Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arch arm64: perf: Correct the event index in sysfs 2021-03-16 16:34:03 +08:00
block iocost: Fix check condition of iocg abs_vdebt 2021-03-16 16:33:18 +08:00
certs Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
crypto keys: asymmetric: fix error return code in software_key_query() 2021-03-16 16:32:01 +08:00
drivers iio: dac: ad5592r: fix unbalanced mutex unlocks in ad5592r_read_raw() 2021-03-16 16:34:03 +08:00
fs btrfs: fix return value mixup in btrfs_get_extent 2021-03-16 16:34:02 +08:00
include genirq/affinity: Make affinity setting if activated opt-in 2021-03-16 16:33:58 +08:00
init x86: Fix early boot crash on gcc-10, third try 2021-03-16 16:28:02 +08:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2021-03-16 16:27:51 +08:00
kernel genirq/PM: Always unlock IRQ descriptor in rearm_wake_irq() 2021-03-16 16:33:58 +08:00
lib kobject: Avoid premature parent object freeing in kobject_cleanup() 2021-03-16 16:33:33 +08:00
mm mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls 2021-03-16 16:33:23 +08:00
net net: initialize fastreuse on inet_inherit_port 2021-03-16 16:33:50 +08:00
package config/arm64: OPEN CONFIG_PSI and phytium configs 2021-03-16 11:02:59 +08:00
samples bpf: Fix fds_example SIGSEGV error 2021-03-16 16:33:24 +08:00
scripts recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64. 2021-03-16 16:33:17 +08:00
security Smack: prevent underflow in smk_set_cipso() 2021-03-16 16:33:40 +08:00
sound ALSA: usb-audio: add quirk for Pioneer DDJ-RB 2021-03-16 16:33:54 +08:00
tools tools, bpftool: Fix wrong return value in do_dump() 2021-03-16 16:33:45 +08:00
usr Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virt KVM: arm64: Don't inherit exec permission across page-table levels 2021-03-16 16:32:57 +08:00
.clang-format Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.cocciconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.get_maintainer.ignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitattributes Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
COPYING Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
CREDITS Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kbuild Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
MAINTAINERS Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Makefile: Fix GCC_TOOLCHAIN_DIR prefix for Clang cross compilation 2021-03-16 16:32:37 +08:00
README Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
README.md Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
backport_remove_lists.txt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tools_key.pub Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00

README.md

Tencent Linux Kernel 4.0