diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_video.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_video.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index b76b0ac0958..7ac4347ca09 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -1188,7 +1188,11 @@ static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream, u8 *mem; int len, ret; - if (urb->actual_length == 0) + /* + * Ignore ZLPs if they're not part of a frame, otherwise process them + * to trigger the end of payload detection. + */ + if (urb->actual_length == 0 && stream->bulk.header_size == 0) return; mem = urb->transfer_buffer; @@ -1594,7 +1598,7 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) psize = le16_to_cpu(ep->desc.wMaxPacketSize); psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); if (psize >= bandwidth && psize <= best_psize) { - altsetting = i; + altsetting = alts->desc.bAlternateSetting; best_psize = psize; best_ep = ep; } |