diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c index ee46d82bed5dfa23a7c0b16270b08256af1fb517..c45c9881bb5f4fdad89cf9ffe45c1c05cf8d946c 100644 --- a/drivers/media/usb/stk1160/stk1160-v4l.c +++ b/drivers/media/usb/stk1160/stk1160-v4l.c @@ -379,6 +379,9 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) struct stk1160 *dev = video_drvdata(file); struct vb2_queue *q = &dev->vb_vidq; + if (dev->norm == norm) + return 0; + if (vb2_is_busy(q)) return -EBUSY;