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-rw-r--r--net/mptcp/subflow.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index d9c8b21c6076..8ff5c9fab55b 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -1668,6 +1668,10 @@ int mptcp_subflow_create_socket(struct sock *sk, unsigned short family,
lock_sock_nested(sf->sk, SINGLE_DEPTH_NESTING);
+ err = security_mptcp_add_subflow(sk, sf->sk);
+ if (err)
+ goto release_ssk;
+
/* the newly created socket has to be in the same cgroup as its parent */
mptcp_attach_cgroup(sk, sf->sk);
@@ -1680,6 +1684,8 @@ int mptcp_subflow_create_socket(struct sock *sk, unsigned short family,
get_net_track(net, &sf->sk->ns_tracker, GFP_KERNEL);
sock_inuse_add(net, 1);
err = tcp_set_ulp(sf->sk, "mptcp");
+
+release_ssk:
release_sock(sf->sk);
if (err) {