Messages in this thread Patch in this message | | | From | Jacek Anaszewski <> | Subject | [PATCH v2] leds: triggers: Check return value of kobject_uevent_env() | Date | Mon, 19 Sep 2016 12:05:34 +0200 |
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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> --- 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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