Commit 51cac8ad authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab

V4L/DVB (10199): uvcvideo: Fix GET_DEF failure detection.

Commit 44f0079e erroneously considers all
GET_DEF requests as unsuccessful. Fix this by checking the request return
value.
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent fba4578e
......@@ -114,7 +114,7 @@ static int uvc_get_video_ctrl(struct uvc_video_device *video,
ctrl->wCompQuality = le16_to_cpup((__le16 *)data);
ret = 0;
goto out;
} else if (query == GET_DEF && probe == 1) {
} else if (query == GET_DEF && probe == 1 && ret != size) {
/* Many cameras don't support the GET_DEF request on their
* video probe control. Warn once and return, the caller will
* fall back to GET_CUR.
......
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