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. Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx> --- drivers/leds/led-triggers.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 8d11a5e..eff1bda 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -173,6 +173,7 @@ int led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig) list_del(&led_cdev->trig_list); write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock, flags); led_set_brightness(led_cdev, LED_OFF); + kfree(event); return ret; } -- 2.7.4