aboutsummaryrefslogtreecommitdiffstats
path: root/net/mptcp/protocol.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index b571fba88a2f..37ebcb7640eb 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2508,6 +2508,12 @@ out:
void mptcp_close_ssk(struct sock *sk, struct sock *ssk,
struct mptcp_subflow_context *subflow)
{
+ /* The first subflow can already be closed and still in the list */
+ if (subflow->close_event_done)
+ return;
+
+ subflow->close_event_done = true;
+
if (sk->sk_state == TCP_ESTABLISHED)
mptcp_event(MPTCP_EVENT_SUB_CLOSED, mptcp_sk(sk), ssk, GFP_KERNEL);