diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 3de47e99b788f81e914efebe9ef89e7f32c1f4bc..d670d3066ebd6c2f3cd1220b5447f31d252d97b4 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -717,8 +717,10 @@ static struct tcf_block *tcf_block_find(struct net *net, struct Qdisc **q,
 errout_rcu:
 	rcu_read_unlock();
 errout_qdisc:
-	if (*q)
+	if (*q) {
 		qdisc_put(*q);
+		*q = NULL;
+	}
 	return ERR_PTR(err);
 }