diff options
| -rw-r--r-- | net/l2tp/l2tp_core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index d36875f3427e..ee726a752292 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1282,6 +1282,7 @@ static void l2tp_tunnel_destruct(struct sock *sk) /* No longer an encapsulation socket. See net/ipv4/udp.c */ (udp_sk(sk))->encap_type = 0; (udp_sk(sk))->encap_rcv = NULL; + (udp_sk(sk))->encap_destroy = NULL; break; case L2TP_ENCAPTYPE_IP: break; @@ -1360,6 +1361,8 @@ again: if (session->deref != NULL) (*session->deref)(session); + l2tp_session_dec_refcount(session); + write_lock_bh(&tunnel->hlist_lock); /* Now restart from the beginning of this hash @@ -1373,6 +1376,16 @@ again: write_unlock_bh(&tunnel->hlist_lock); } +/* Tunnel socket destroy hook for UDP encapsulation */ +static void l2tp_udp_encap_destroy(struct sock *sk) +{ + struct l2tp_tunnel *tunnel = l2tp_sock_to_tunnel(sk); + if (tunnel) { + l2tp_tunnel_closeall(tunnel); + sock_put(sk); + } +} + /* Really kill the tunnel. * Come here only when all sessions have been cleared from the tunnel. */ @@ -1668,6 +1681,7 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 /* Mark socket as an encapsulation socket. See net/ipv4/udp.c */ udp_sk(sk)->encap_type = UDP_ENCAP_L2TPINUDP; udp_sk(sk)->encap_rcv = l2tp_udp_encap_recv; + udp_sk(sk)->encap_destroy = l2tp_udp_encap_destroy; #if IS_ENABLED(CONFIG_IPV6) if (sk->sk_family == PF_INET6) udpv6_encap_enable(); |