* [MPTCP] [MPTCP][PATCH mptcp-next] Squash to "mptcp: remove id 0 address"
@ 2021-03-15 11:44 Geliang Tang
0 siblings, 0 replies; only message in thread
From: Geliang Tang @ 2021-03-15 11:44 UTC (permalink / raw)
To: mptcp
[-- Attachment #1: Type: text/plain, Size: 654 bytes --]
Hold the msk lock when invoking mptcp_pm_remove_addr.
Signed-off-by: Geliang Tang <geliangtang(a)gmail.com>
---
net/mptcp/pm_netlink.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 037817b83f4c..b7acab673cc7 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1185,7 +1185,9 @@ static int mptcp_nl_remove_id_zero_address(struct net *net,
goto next;
lock_sock(sk);
+ spin_lock_bh(&msk->pm.lock);
mptcp_pm_remove_addr(msk, &list);
+ spin_unlock_bh(&msk->pm.lock);
mptcp_pm_remove_subflow(msk, &list);
release_sock(sk);
--
2.30.2
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