diff options
Diffstat (limited to 'linux/drivers/media/video/video-buf.c')
| -rw-r--r-- | linux/drivers/media/video/video-buf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/linux/drivers/media/video/video-buf.c b/linux/drivers/media/video/video-buf.c index d8df80232..8d143fa65 100644 --- a/linux/drivers/media/video/video-buf.c +++ b/linux/drivers/media/video/video-buf.c @@ -546,6 +546,11 @@ videobuf_reqbufs(struct file *file, struct videobuf_queue *q, req->memory != V4L2_MEMORY_OVERLAY) return -EINVAL; + if (q->streaming) + return -EBUSY; + if (!list_empty(&q->stream)) + return -EBUSY; + down(&q->lock); count = req->count; if (count > VIDEO_MAX_FRAME) |