On success, VIDIOC_REQBUFS should return 0, not the number of allocated
buffers. As uvcg_alloc_buffers() is directly called by regbufs, it has
to return the correct error codes.
Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
---
drivers/usb/gadget/function/uvc_queue.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 0aa3d7e1f3cc..f14f75b93aaa 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -179,11 +179,7 @@ void uvcg_free_buffers(struct uvc_video_queue *queue)
int uvcg_alloc_buffers(struct uvc_video_queue *queue,
struct v4l2_requestbuffers *rb)
{
- int ret;
-
- ret = vb2_reqbufs(&queue->queue, rb);
-
- return ret ? ret : rb->count;
+ return vb2_reqbufs(&queue->queue, rb);
}
int uvcg_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)
--
2.30.2
