1 files changed, 7 insertions, 26 deletions

diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index c7d49fb6e7bd..07dd23d0fe04 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -602,30 +602,6 @@ static bool subflow_hmac_valid(const struct request_sock *req,
 	return !crypto_memneq(hmac, mp_opt->hmac, MPTCPOPT_HMAC_LEN);
 }
 
-static void mptcp_sock_destruct(struct sock *sk)
-{
-	/* if new mptcp socket isn't accepted, it is free'd
-	 * from the tcp listener sockets request queue, linked
-	 * from req->sk.  The tcp socket is released.
-	 * This calls the ULP release function which will
-	 * also remove the mptcp socket, via
-	 * sock_put(ctx->conn).
-	 *
-	 * Problem is that the mptcp socket will be in
-	 * ESTABLISHED state and will not have the SOCK_DEAD flag.
-	 * Both result in warnings from inet_sock_destruct.
-	 */
-	if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)) {
-		sk->sk_state = TCP_CLOSE;
-		WARN_ON_ONCE(sk->sk_socket);
-		sock_orphan(sk);
-	}
-
-	/* We don't need to clear msk->subflow, as it's still NULL at this point */
-	mptcp_destroy_common(mptcp_sk(sk), 0);
-	inet_sock_destruct(sk);
-}
-
 static void mptcp_force_close(struct sock *sk)
 {
 	/* the msk is not yet exposed to user-space */
@@ -768,7 +744,6 @@ create_child:
 			/* new mpc subflow takes ownership of the newly
 			 * created mptcp socket
 			 */
-			new_msk->sk_destruct = mptcp_sock_destruct;
 			mptcp_sk(new_msk)->setsockopt_seq = ctx->setsockopt_seq;
 			mptcp_pm_new_connection(mptcp_sk(new_msk), child, 1);
 			mptcp_token_accept(subflow_req, mptcp_sk(new_msk));
@@ -1763,13 +1738,19 @@ void mptcp_subflow_queue_clean(struct sock *listener_ssk)
 
 	for (msk = head; msk; msk = next) {
 		struct sock *sk = (struct sock *)msk;
-		bool slow;
+		bool slow, do_cancel_work;
 
+		sock_hold(sk);
 		slow = lock_sock_fast_nested(sk);
 		next = msk->dl_next;
 		msk->first = NULL;
 		msk->dl_next = NULL;
+
+		do_cancel_work = __mptcp_close(sk, 0);
 		unlock_sock_fast(sk, slow);
+		if (do_cancel_work)
+			mptcp_cancel_work(sk);
+		sock_put(sk);
 	}
 
 	/* we are still under the listener msk socket lock */