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>

drivers/leds/led-triggers.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}
		}