diff options
| -rw-r--r-- | drivers/net/ovpn/udp.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/ovpn/udp.c b/drivers/net/ovpn/udp.c index aef8c0406ec9..f4d3bd070f11 100644 --- a/drivers/net/ovpn/udp.c +++ b/drivers/net/ovpn/udp.c @@ -442,8 +442,16 @@ int ovpn_udp_socket_attach(struct ovpn_socket *ovpn_sock, */ void ovpn_udp_socket_detach(struct ovpn_socket *ovpn_sock) { - struct udp_tunnel_sock_cfg cfg = { }; + struct sock *sk = ovpn_sock->sock->sk; - setup_udp_tunnel_sock(sock_net(ovpn_sock->sock->sk), ovpn_sock->sock, - &cfg); + /* Re-enable multicast loopback */ + inet_set_bit(MC_LOOP, sk); + /* Disable CHECKSUM_UNNECESSARY to CHECKSUM_COMPLETE conversion */ + inet_dec_convert_csum(sk); + + WRITE_ONCE(udp_sk(sk)->encap_type, 0); + WRITE_ONCE(udp_sk(sk)->encap_rcv, NULL); + WRITE_ONCE(udp_sk(sk)->encap_destroy, NULL); + + rcu_assign_sk_user_data(sk, NULL); } |