[media] uvcvideo: Handle uvc_init_video() failure in uvc_video_enable()
Turn streaming off (by selecting alternate setting 0) and disable the
video buffers queue in the uvc_video_enable() error path.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 2995f26..2e5e728 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -1283,6 +1283,11 @@
return ret;
}
- return uvc_init_video(stream, GFP_KERNEL);
-}
+ ret = uvc_init_video(stream, GFP_KERNEL);
+ if (ret < 0) {
+ usb_set_interface(stream->dev->udev, stream->intfnum, 0);
+ uvc_queue_enable(&stream->queue, 0);
+ }
+ return ret;
+}