diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index aa2199775cb8..c8d78b2f3de4 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -82,9 +82,14 @@ static int uvc_queue_setup(struct vb2_queue *vq, struct uvc_streaming *stream = uvc_queue_to_stream(queue); unsigned size = stream->ctrl.dwMaxVideoFrameSize; - /* Make sure the image size is large enough. */ + /* + * When called with plane sizes, validate them. The driver supports + * single planar formats only, and requires buffers to be large enough + * to store a complete frame. + */ if (*nplanes) - return sizes[0] < size ? -EINVAL : 0; + return *nplanes != 1 || sizes[0] < size ? -EINVAL : 0; + *nplanes = 1; sizes[0] = size; return 0; |