diff options
| -rw-r--r-- | net/l2tp/l2tp_ip.c | 24 | ||||
| -rw-r--r-- | net/l2tp/l2tp_ip6.c | 25 |
2 files changed, 35 insertions, 14 deletions
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index 499d3cdbfbc8..b07a859f21bd 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -56,13 +56,23 @@ static struct sock *__l2tp_ip_bind_lookup(const struct net *net, __be32 laddr, const struct l2tp_ip_sock *l2tp = l2tp_ip_sk(sk); const struct inet_sock *inet = inet_sk(sk); - if ((l2tp->conn_id == tunnel_id) && - net_eq(sock_net(sk), net) && - !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) && - (!inet->inet_daddr || !raddr || inet->inet_daddr == raddr) && - (!sk->sk_bound_dev_if || !dif || - sk->sk_bound_dev_if == dif)) - goto found; + if (!net_eq(sock_net(sk), net)) + continue; + + if (sk->sk_bound_dev_if && dif && sk->sk_bound_dev_if != dif) + continue; + + if (inet->inet_rcv_saddr && laddr && + inet->inet_rcv_saddr != laddr) + continue; + + if (inet->inet_daddr && raddr && inet->inet_daddr != raddr) + continue; + + if (l2tp->conn_id != tunnel_id) + continue; + + goto found; } sk = NULL; diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 7165b06d7b25..4b06eb415f68 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -69,13 +69,24 @@ static struct sock *__l2tp_ip6_bind_lookup(const struct net *net, const struct in6_addr *sk_raddr = &sk->sk_v6_daddr; const struct l2tp_ip6_sock *l2tp = l2tp_ip6_sk(sk); - if ((l2tp->conn_id == tunnel_id) && - net_eq(sock_net(sk), net) && - (!sk_laddr || ipv6_addr_any(sk_laddr) || ipv6_addr_equal(sk_laddr, laddr)) && - (!raddr || ipv6_addr_any(sk_raddr) || ipv6_addr_equal(sk_raddr, raddr)) && - (!sk->sk_bound_dev_if || !dif || - sk->sk_bound_dev_if == dif)) - goto found; + if (!net_eq(sock_net(sk), net)) + continue; + + if (sk->sk_bound_dev_if && dif && sk->sk_bound_dev_if != dif) + continue; + + if (sk_laddr && !ipv6_addr_any(sk_laddr) && + !ipv6_addr_any(laddr) && !ipv6_addr_equal(sk_laddr, laddr)) + continue; + + if (!ipv6_addr_any(sk_raddr) && raddr && + !ipv6_addr_any(raddr) && !ipv6_addr_equal(sk_raddr, raddr)) + continue; + + if (l2tp->conn_id != tunnel_id) + continue; + + goto found; } sk = NULL; |