diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index d99fd5c91903..0387db527de9 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3334,7 +3334,7 @@ static int tcp_is_local(struct net *net, __be32 addr) {
 	struct rtable *rt;
 	struct flowi4 fl4 = { .daddr = addr };
 	rt = ip_route_output_key(net, &fl4);
-	if (!rt)
+	if (IS_ERR_OR_NULL(rt))
 		return 0;
 	return rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK);
 }