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authorJacek Anaszewski <j.anaszewski@samsung.com>2016-09-19 12:44:50 +0200
committerJacek Anaszewski <j.anaszewski@samsung.com>2016-09-20 10:22:10 +0200
commit6f3bad9670729ea3a7c78b3752a89c94ffa2397a (patch)
treec5a9cdbbc5f2bb25f9ebe2a10a294419c8a9e124 /drivers/leds/led-triggers.c
parentfbfa197afddd13f9bdca1c822f5d5730b50639eb (diff)
downloadlinux-6f3bad9670729ea3a7c78b3752a89c94ffa2397a.tar.bz2
leds: triggers: Check return value of kobject_uevent_env()
Log error message if kobject_uevent_env() fails in led_trigger_set(). Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/leds/led-triggers.c')
-rw-r--r--drivers/leds/led-triggers.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index c7a38d43ff62..431123b048a2 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -141,7 +141,9 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
if (event) {
envp[0] = event;
envp[1] = NULL;
- kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp);
+ if (kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp))
+ dev_err(led_cdev->dev,
+ "%s: Error sending uevent\n", __func__);
kfree(event);
}
}