linux-stable/drivers/leds
Wenwen Wang e497ec26cc led: triggers: Fix a memory leak bug
[ Upstream commit 60e2dde1e9 ]

In led_trigger_set(), 'event' is allocated in kasprintf(). However, it is
not deallocated in the following execution if the label 'err_activate' or
'err_add_groups' is entered, leading to memory leaks. To fix this issue,
free 'event' before returning the error.

Fixes: 52c47742f7 ("leds: triggers: send uevent when changing triggers")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-10-05 13:09:45 +02:00
..
trigger leds: trigger: netdev: use memcpy in device_name_store 2019-05-04 09:20:22 +02:00
Kconfig leds: Modify PC Engines apu/apu2 driver to support apu3 2018-06-28 21:34:43 +02:00
led-class-flash.c
led-class.c leds: class: ensure workqueue is initialized before setting brightness 2018-05-24 22:08:26 +02:00
led-core.c
led-triggers.c led: triggers: Fix a memory leak bug 2019-10-05 13:09:45 +02:00
leds-88pm860x.c
leds-aat1290.c
leds-adp5520.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-apu.c leds: Modify PC Engines apu/apu2 driver to support apu3 2018-06-28 21:34:43 +02:00
leds-as3645a.c leds: as3645a: Fix line over 80 characters 2018-01-08 21:28:11 +01:00
leds-asic3.c
leds-bcm6328.c
leds-bcm6358.c
leds-bd2802.c
leds-blinkm.c leds: blinkm: avoid uninitialized data use 2018-01-08 21:28:10 +01:00
leds-clevo-mail.c
leds-cobalt-qube.c
leds-cobalt-raq.c
leds-cpcap.c
leds-cr0014114.c leds: Use struct_size() in allocation 2018-06-12 16:19:22 -07:00
leds-da903x.c
leds-da9052.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-dac124s085.c
leds-fsg.c
leds-gpio-register.c
leds-gpio.c
leds-hp6xx.c
leds-ipaq-micro.c
leds-is31fl32xx.c
leds-is31fl319x.c
leds-ktd2692.c
leds-lm355x.c
leds-lm3530.c
leds-lm3533.c
leds-lm3601x.c leds: lm3601x: Introduce the lm3601x LED driver 2018-05-23 21:44:47 +02:00
leds-lm3642.c
leds-lm3692x.c leds: lm3692x: Support LED sync configuration 2018-07-03 22:27:12 +02:00
leds-locomo.c
leds-lp55xx-common.c leds: lp55xx: fix null deref on firmware load failure 2019-04-05 22:33:07 +02:00
leds-lp55xx-common.h
leds-lp3944.c
leds-lp3952.c
leds-lp5521.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-lp5523.c leds: lp5523: fix a missing check of return value of lp55xx_read 2019-02-27 10:08:57 +01:00
leds-lp5562.c leds: leds-lp5562 allow firmware files up to the maximum length 2019-10-05 13:09:34 +02:00
leds-lp8501.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-lp8788.c
leds-lp8860.c leds: lp8860: Various fixes to align with LED framework 2018-01-08 21:28:12 +01:00
leds-lt3593.c leds: lt3593: update email address and switch to SPDX license header 2018-07-03 22:12:41 +02:00
leds-max8997.c leds: max8997: use mode when calling max8997_led_set_mode 2018-07-03 22:12:41 +02:00
leds-max77693.c
leds-mc13783.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-menf21bmc.c
leds-mlxcpld.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-mlxreg.c leds: add driver for support Mellanox regmap LEDs for BMC and x86 platform 2018-02-19 21:09:20 +01:00
leds-mt6323.c
leds-net48xx.c
leds-netxbig.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-nic78bx.c
leds-ns2.c leds: ns2: Change unsigned to unsigned int 2018-08-06 23:03:12 +02:00
leds-ot200.c
leds-pca955x.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-pca963x.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-pca9532.c leds: pca9532: fix a potential NULL pointer dereference 2019-05-04 09:20:22 +02:00
leds-pm8058.c
leds-powernv.c
leds-pwm.c leds: pwm: silently error out on EPROBE_DEFER 2019-01-13 09:51:08 +01:00
leds-rb532.c
leds-regulator.c
leds-s3c24xx.c
leds-sc27xx-bltc.c leds: sc27xx: Fix return value check in sc27xx_led_probe() 2018-05-22 21:57:59 +02:00
leds-ss4200.c
leds-sunfire.c
leds-syscon.c
leds-tca6507.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-tlc591xx.c
leds-wm831x-status.c leds: wm831x-status: Use sysfs_match_string() helper 2018-05-03 21:50:13 +02:00
leds-wm8350.c
leds-wrap.c
leds.h
Makefile leds: lm3601x: Introduce the lm3601x LED driver 2018-05-23 21:44:47 +02:00
uleds.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00