diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 5df40480228b7a26e3c73ac78e963ce47ed25448..dd834927bc66e87bf4ec433bc96889068d3bbb82 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1191,6 +1191,8 @@ static void dm_unprep_request(struct request *rq)
 
 	if (clone)
 		free_rq_clone(clone);
+	else if (!tio->md->queue->mq_ops)
+		free_rq_tio(tio);
 }
 
 /*