From: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Date: Sat, 27 Jul 2024 10:01:25 +0000 (+0200)
Subject: mptcp: pm: only set request_bkup flag when sending MP_PRIO
X-Git-Tag: v6.11-rc2~28^2~18^2~4
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=4258b94831bb7ff28ab80e3c8d94db37db930728;p=linux-block.git

mptcp: pm: only set request_bkup flag when sending MP_PRIO

The 'backup' flag from mptcp_subflow_context structure is supposed to be
set only when the other peer flagged a subflow as backup, not the
opposite.

Fixes: 067065422fcd ("mptcp: add the outgoing MP_PRIO support")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index f65831de5c1a..7635fac91539 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -471,7 +471,6 @@ static void __mptcp_pm_send_ack(struct mptcp_sock *msk, struct mptcp_subflow_con
 	slow = lock_sock_fast(ssk);
 	if (prio) {
 		subflow->send_mp_prio = 1;
-		subflow->backup = backup;
 		subflow->request_bkup = backup;
 	}