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| author | Herve Codina <[email protected]> | 2025-01-22 09:19:14 +0000 |
|---|---|---|
| committer | Lee Jones <[email protected]> | 2025-02-11 14:12:38 +0000 |
| commit | 276822a00db3c1061382b41e72cafc09d6a0ec30 (patch) | |
| tree | 08dbd73f61bd7a886858d5fde52efadbd090f785 /lib/timerqueue.c | |
| parent | backlight: wm831x_bl: Do not include <linux/fb.h> (diff) | |
| download | kernel-276822a00db3c1061382b41e72cafc09d6a0ec30.tar.gz kernel-276822a00db3c1061382b41e72cafc09d6a0ec30.zip | |
backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()
Lockdep detects the following issue on led-backlight removal:
[ 142.315935] ------------[ cut here ]------------
[ 142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80
...
[ 142.500725] Call trace:
[ 142.503176] led_sysfs_enable+0x54/0x80 (P)
[ 142.507370] led_bl_remove+0x80/0xa8 [led_bl]
[ 142.511742] platform_remove+0x30/0x58
[ 142.515501] device_remove+0x54/0x90
...
Indeed, led_sysfs_enable() has to be called with the led_access
lock held.
Hold the lock when calling led_sysfs_disable().
Fixes: ae232e45acf9 ("backlight: add led-backlight driver")
Cc: [email protected]
Signed-off-by: Herve Codina <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
Diffstat (limited to 'lib/timerqueue.c')
0 files changed, 0 insertions, 0 deletions