diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 9080cb386c16..55f3521edb4c 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -432,11 +432,10 @@ static void tcf_ct_flow_table_add(struct tcf_ct_flow_table *ct_ft,
 	if (test_and_set_bit(IPS_OFFLOAD_BIT, &ct->status))
 		return;
 
+	/* NULL if ct is dying (raced flush) or the atomic alloc failed. */
 	entry = flow_offload_alloc(ct);
-	if (!entry) {
-		WARN_ON_ONCE(1);
+	if (!entry)
 		goto err_alloc;
-	}
 
 	if (tcp) {
 		ct->proto.tcp.seen[0].flags |= IP_CT_TCP_FLAG_BE_LIBERAL;