diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index b91ea03e3afa717225c00a3d2a03e9d722229fbc..b9d63d2246e667329c30606165dd485b9dc777aa 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -379,6 +379,8 @@ void tcf_block_put(struct tcf_block *block)
 {
 	struct tcf_block_ext_info ei = {0, };
 
+	if (!block)
+		return;
 	tcf_block_put_ext(block, block->q, &ei);
 }