diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index 1f57094d31116d5f6dc6a411c577e6087a3abf46..4d1c942cc91bd4db577e945a88a01ffab72386b6 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -183,14 +183,15 @@ static int l2tp_ip_recv(struct sk_buff *skb) read_lock_bh(&l2tp_ip_lock); sk = __l2tp_ip_bind_lookup(net, iph->daddr, 0, tunnel_id); + if (!sk) { + read_unlock_bh(&l2tp_ip_lock); + goto discard; + } + + sock_hold(sk); read_unlock_bh(&l2tp_ip_lock); } - if (sk == NULL) - goto discard; - - sock_hold(sk); - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) goto discard_put; diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index af9abfff637ce21a9d51149700310dd47b9def0a..e3fc7786f188d51d555eb9c340008134e6ca9800 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -198,14 +198,15 @@ static int l2tp_ip6_recv(struct sk_buff *skb) read_lock_bh(&l2tp_ip6_lock); sk = __l2tp_ip6_bind_lookup(net, &iph->daddr, 0, tunnel_id); + if (!sk) { + read_unlock_bh(&l2tp_ip6_lock); + goto discard; + } + + sock_hold(sk); read_unlock_bh(&l2tp_ip6_lock); } - if (sk == NULL) - goto discard; - - sock_hold(sk); - if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) goto discard_put;