diff options
| -rw-r--r-- | drivers/staging/greybus/light.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index f3cd48521af0..80dc4a9d9a0e 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -463,6 +463,9 @@ static int gb_blink_set(struct led_classdev *cdev, unsigned long *delay_on, if (channel->releasing) return -ESHUTDOWN; + if (!delay_on || !delay_off) + return -EINVAL; + mutex_lock(&channel->lock); ret = gb_pm_runtime_get_sync(bundle); if (ret < 0) |