diff --git a/block/ssg-iosched.c b/block/ssg-iosched.c
index 4cb3b58cf..ee3d56823 100755
--- a/block/ssg-iosched.c
+++ b/block/ssg-iosched.c
@@ -674,6 +674,7 @@ static void ssg_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
 	struct request_queue *q = hctx->queue;
 	struct ssg_data *ssg = q->elevator->elevator_data;
 	const int data_dir = rq_data_dir(rq);
+	LIST_HEAD(free);
 
 	/*
 	 * This may be a requeue of a write request that has locked its
@@ -681,8 +682,10 @@ static void ssg_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
 	 */
 	blk_req_zone_write_unlock(rq);
 
-	if (blk_mq_sched_try_insert_merge(q, rq))
+	if (blk_mq_sched_try_insert_merge(q, rq, &free)) {
+		blk_mq_free_requests(&free);
 		return;
+	}
 
 	blk_mq_sched_request_inserted(rq);