diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 0ec3ccac6bb4..8b2338dfdc80 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -92,7 +92,7 @@ static struct mptcp_sock *subflow_token_join_request(struct request_sock *req,
 	return msk;
 }
 
-static int __subflow_init_req(struct request_sock *req, const struct sock *sk_listener)
+static void subflow_init_req(struct request_sock *req, const struct sock *sk_listener)
 {
 	struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
 
@@ -100,6 +100,22 @@ static int __subflow_init_req(struct request_sock *req, const struct sock *sk_li
 	subflow_req->mp_join = 0;
 	subflow_req->msk = NULL;
 	mptcp_token_init_request(req);
+}
+
+/* Init mptcp request socket.
+ *
+ * Returns an error code if a JOIN has failed and a TCP reset
+ * should be sent.
+ */
+static int subflow_check_req(struct request_sock *req,
+			     const struct sock *sk_listener,
+			     struct sk_buff *skb)
+{
+	struct mptcp_subflow_context *listener = mptcp_subflow_ctx(sk_listener);
+	struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
+	struct mptcp_options_received mp_opt;
+
+	pr_debug("subflow_req=%p, listener=%p", subflow_req, listener);
 
 #ifdef CONFIG_TCP_MD5SIG
 	/* no MPTCP if MD5SIG is enabled on this socket or we may run out of
@@ -109,29 +125,6 @@ static int __subflow_init_req(struct request_sock *req, const struct sock *sk_li
 		return -EINVAL;
 #endif
 
-	return 0;
-}
-
-/* Init mptcp request socket.
- *
- * Returns an error code if a JOIN has failed and a TCP reset
- * should be sent.
- */
-static int subflow_init_req(struct request_sock *req,
-			    const struct sock *sk_listener,
-			    struct sk_buff *skb)
-{
-	struct mptcp_subflow_context *listener = mptcp_subflow_ctx(sk_listener);
-	struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
-	struct mptcp_options_received mp_opt;
-	int ret;
-
-	pr_debug("subflow_req=%p, listener=%p", subflow_req, listener);
-
-	ret = __subflow_init_req(req, sk_listener);
-	if (ret)
-		return 0;
-
 	mptcp_get_options(skb, &mp_opt);
 
 	if (mp_opt.mp_capable) {
@@ -205,10 +198,7 @@ int mptcp_subflow_init_cookie_req(struct request_sock *req,
 	struct mptcp_options_received mp_opt;
 	int err;
 
-	err = __subflow_init_req(req, sk_listener);
-	if (err)
-		return err;
-
+	subflow_init_req(req, sk_listener);
 	mptcp_get_options(skb, &mp_opt);
 
 	if (mp_opt.mp_capable && mp_opt.mp_join)
@@ -248,12 +238,13 @@ static struct dst_entry *subflow_v4_route_req(const struct sock *sk,
 	int err;
 
 	tcp_rsk(req)->is_mptcp = 1;
+	subflow_init_req(req, sk);
 
 	dst = tcp_request_sock_ipv4_ops.route_req(sk, skb, fl, req);
 	if (!dst)
 		return NULL;
 
-	err = subflow_init_req(req, sk, skb);
+	err = subflow_check_req(req, sk, skb);
 	if (err == 0)
 		return dst;
 
@@ -273,12 +264,13 @@ static struct dst_entry *subflow_v6_route_req(const struct sock *sk,
 	int err;
 
 	tcp_rsk(req)->is_mptcp = 1;
+	subflow_init_req(req, sk);
 
 	dst = tcp_request_sock_ipv6_ops.route_req(sk, skb, fl, req);
 	if (!dst)
 		return NULL;
 
-	err = subflow_init_req(req, sk, skb);
+	err = subflow_check_req(req, sk, skb);
 	if (err == 0)
 		return dst;