From a3eac76cdf7225aa1f87aa4514664f0372b9a1c1 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Fri, 1 Jul 2016 23:08:54 +0200 Subject: 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 Signed-off-by: Jacek Anaszewski --- drivers/leds/led-triggers.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/leds') diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 55fa65e1ae03..c92702a684ce 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -60,6 +60,8 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr, goto unlock; } } + /* we come here only if buf matches no trigger */ + ret = -EINVAL; up_read(&triggers_list_lock); unlock: -- cgit v1.2.3