Hi Wenwen,
Thank you for the patch.
On 8/19/19 10:41 PM, Wenwen Wang wrote:
> 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;
> }
>
Added tag:
Fixes: 52c47742f79d ("leds: triggers: send uevent when changing triggers")
and applied.
--
Best regards,
Jacek Anaszewski
