diff --git a/block/blk-mq.c b/block/blk-mq.c
index c26b3be1893c..cea1bd87a416 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1562,6 +1562,7 @@ void blk_mq_free_tag_set(struct blk_mq_tag_set *set)
 
 	for (i = 0; i < set->nr_hw_queues; i++)
 		blk_mq_free_rq_map(set, set->tags[i], i);
+	kfree(set->tags);
 }
 EXPORT_SYMBOL(blk_mq_free_tag_set);