diff mbox series

[net-next,8/9] mptcp: consolidate transition to TCP_CLOSE in mptcp_do_fastclose()

Message ID 20230620-upstream-net-next-20230620-mptcp-expose-more-info-and-misc-v1-8-62b9444bfd48@tessares.net (mailing list archive)
State Accepted
Commit bbd49d114d5790a2dc3f67926cec3fc48b2d5d81
Headers show
Series mptcp: expose more info and small improvements | expand

Commit Message

Matthieu Baerts June 20, 2023, 4:30 p.m. UTC 
From: Paolo Abeni <pabeni@redhat.com>

The MPTCP code always set the msk state to TCP_CLOSE before
calling performing the fast-close. Move such state transition in
mptcp_do_fastclose() to avoid some code duplication.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 net/mptcp/protocol.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 4ebd6e9aa949..f65eec3e0d22 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2655,6 +2655,7 @@  static void mptcp_do_fastclose(struct sock *sk)
 	struct mptcp_subflow_context *subflow, *tmp;
 	struct mptcp_sock *msk = mptcp_sk(sk);
 
+	inet_sk_state_store(sk, TCP_CLOSE);
 	mptcp_for_each_subflow_safe(msk, subflow, tmp)
 		__mptcp_close_ssk(sk, mptcp_subflow_tcp_sock(subflow),
 				  subflow, MPTCP_CF_FASTCLOSE);
@@ -2692,10 +2693,9 @@  static void mptcp_worker(struct work_struct *work)
 	 * even if it is orphaned and in FIN_WAIT2 state
 	 */
 	if (sock_flag(sk, SOCK_DEAD)) {
-		if (mptcp_should_close(sk)) {
-			inet_sk_state_store(sk, TCP_CLOSE);
+		if (mptcp_should_close(sk))
 			mptcp_do_fastclose(sk);
-		}
+
 		if (sk->sk_state == TCP_CLOSE) {
 			__mptcp_destroy_sock(sk);
 			goto unlock;
@@ -2938,7 +2938,6 @@  static void __mptcp_destroy_sock(struct sock *sk)
 void __mptcp_unaccepted_force_close(struct sock *sk)
 {
 	sock_set_flag(sk, SOCK_DEAD);
-	inet_sk_state_store(sk, TCP_CLOSE);
 	mptcp_do_fastclose(sk);
 	__mptcp_destroy_sock(sk);
 }
@@ -2980,7 +2979,6 @@  bool __mptcp_close(struct sock *sk, long timeout)
 		/* If the msk has read data, or the caller explicitly ask it,
 		 * do the MPTCP equivalent of TCP reset, aka MPTCP fastclose
 		 */
-		inet_sk_state_store(sk, TCP_CLOSE);
 		mptcp_do_fastclose(sk);
 		timeout = 0;
 	} else if (mptcp_close_state(sk)) {