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Subject[PATCH v2] leds: triggers: Check return value of kobject_uevent_env()
Date
Log error message if kobject_uevent_env() fails in led_trigger_set().

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
---
Changes from v1:
- switched to using dev_err() instead of pr_err()

drivers/leds/led-triggers.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index c7a38d4..26b3db1 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,
+ "led_trigger_set: Error sending uevent\n");
kfree(event);
}
}
--
1.9.1
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