| Message ID | 20240214-uvc-error-tag-v1-1-37659a3877fe@pengutronix.de (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | ab9ffa51d5a2f3145839ca59354b3f74d18f7e85 |
| Headers | show |
| Series | usb: gadget: uvc: improve tagging transmit errors | expand |
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index dd3241fc6939d..c288aceee92ac 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -397,7 +397,8 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req) case -EXDEV: uvcg_dbg(&video->uvc->func, "VS request missed xfer.\n"); - queue->flags |= UVC_QUEUE_DROP_INCOMPLETE; + if (req->length != 0) + queue->flags |= UVC_QUEUE_DROP_INCOMPLETE; break; case -ESHUTDOWN: /* disconnect from host. */
If the request that was missed was zero bytes long, it is likely that the overall transferred frame was not affected. So don't flag the frame incomplete in that case. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> --- drivers/usb/gadget/function/uvc_video.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)