media_request_lock_for_update 1558 drivers/media/common/videobuf2/videobuf2-core.c 		ret = media_request_lock_for_update(req);
media_request_lock_for_update 3937 drivers/media/v4l2-core/v4l2-ctrls.c 		ret = media_request_lock_for_update(req);