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-rw-r--r--drivers/media/usb/uvc/uvc_video.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 8d52baf5952b..ca205eec5223 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -1133,6 +1133,17 @@ static int uvc_video_encode_data(struct uvc_streaming *stream,
*/
/*
+ * Set error flag for incomplete buffer.
+ */
+static void uvc_video_validate_buffer(const struct uvc_streaming *stream,
+ struct uvc_buffer *buf)
+{
+ if (buf->length != buf->bytesused &&
+ !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED))
+ buf->error = 1;
+}
+
+/*
* Completion handler for video URBs.
*/
static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
@@ -1156,9 +1167,11 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
do {
ret = uvc_video_decode_start(stream, buf, mem,
urb->iso_frame_desc[i].actual_length);
- if (ret == -EAGAIN)
+ if (ret == -EAGAIN) {
+ uvc_video_validate_buffer(stream, buf);
buf = uvc_queue_next_buffer(&stream->queue,
buf);
+ }
} while (ret == -EAGAIN);
if (ret < 0)
@@ -1173,11 +1186,7 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
urb->iso_frame_desc[i].actual_length);
if (buf->state == UVC_BUF_STATE_READY) {
- if (buf->length != buf->bytesused &&
- !(stream->cur_format->flags &
- UVC_FMT_FLAG_COMPRESSED))
- buf->error = 1;
-
+ uvc_video_validate_buffer(stream, buf);
buf = uvc_queue_next_buffer(&stream->queue, buf);
}
}
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