leds: triggers: Return from led_trigger_set() if there is nothing to do
authorJacek Anaszewski <jacek.anaszewski@gmail.com>
Sun, 18 Sep 2016 18:24:29 +0000 (20:24 +0200)
committerJacek Anaszewski <j.anaszewski@samsung.com>
Tue, 20 Sep 2016 08:21:17 +0000 (10:21 +0200)
commitfbfa197afddd13f9bdca1c822f5d5730b50639eb
treeed9e17d37ba0a47a009f9ba71cc701373e68cf0d
parent74b69e5246d13840963b7b23e21dbab541cb26d2
leds: triggers: Return from led_trigger_set() if there is nothing to do

If led_trigger_set() is called with "trig" argument set to NULL, and there
is no trigger to remove then the function should return immediately so
as to avoid doing unnecessary allocation and sending uevent.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Reported-by: Daniel Romell <daro@hms.se>
Acked-by Daniel Romell <daro@hms.se>
drivers/leds/led-triggers.c