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leds: triggers: Check return value of kobject_uevent_env()

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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>
This commit is contained in:
Jacek Anaszewski 2016-09-19 12:44:50 +02:00
parent fbfa197afd
commit 6f3bad9670
1 changed files with 3 additions and 1 deletions
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4
drivers/leds/led-triggers.c
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@ -141,7 +141,9 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
if (event) { if (event) {
envp[0] = event; envp[0] = event;
envp[1] = NULL; 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); kfree(event);
} }
} }