Commit a3eac76c authored Jul 01, 2016 by Heiner Kallweit Committed by Jacek Anaszewski Jul 04, 2016

leds: triggers: return error if invalid trigger name is provided via sysfs



If an invalid trigger name is provided via sysfs currently no error
is returned. Therefore it's not possible to determine whether the
trigger was set successfully.
Fix this by returning -EINVAL if no trigger is matched.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>

parent b1ae40a5

drivers/leds/led-triggers.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -60,6 +60,8 @@ ssize_t led_trigger_store(struct device dev, struct device_attribute attr,
	goto unlock;		goto unlock;
	}		}
	}		}
			/* we come here only if buf matches no trigger */
			ret = -EINVAL;
	up_read(&triggers_list_lock);		up_read(&triggers_list_lock);

	unlock:		unlock: