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[net,3/7] mptcp: pm: only set request_bkup flag when sending MP_PRIO

Message ID 20240727-upstream-net-20240727-mptcp-backup-signal-v1-3-f50b31604cf1@kernel.org
State Accepted
Commit 4258b94831bb7ff28ab80e3c8d94db37db930728
Headers show
Series mptcp: fix inconsistent backup usage | expand

Commit Message

Matthieu Baerts (NGI0) July 27, 2024, 10:01 a.m. UTC 
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>
---
 net/mptcp/pm_netlink.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index ea9e5817b9e9..59527335c68e 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;
 	}