fix from Gang Yan

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
geliangtang · Dec 16, 2024 · 554bd2f · 554bd2f
1 parent be55b8c
commit 554bd2f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
@@ -2590,6 +2590,10 @@ static void __mptcp_close_subflow(struct sock *sk)
 			continue;
 
 		mptcp_close_ssk(sk, ssk, subflow);
+
+		if (READ_ONCE(subflow->remote_id) &&
+		    --msk->pm.add_addr_accepted < mptcp_pm_get_add_addr_accept_max(msk))
+			WRITE_ONCE(msk->pm.accept_addr, true);
 	}
 
 }