[PATCH] leds: triggers: Check return value of kobject_uevent_env()

[Jacek Anaszewski]

From: Jacek Anaszewski <jacek.anaszew...@gmail.com>

Log error message if kobject_uevent_env() fails in led_trigger_set().

Signed-off-by: Jacek Anaszewski <j.anaszew...@samsung.com>
---
 drivers/leds/led-triggers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index c7a38d4..f538e8c 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -141,7 +141,8 @@ 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))
+                       pr_err("Error sending uevent after setting LED 
trigger\n");
                kfree(event);
        }
 }
-- 
1.9.1