l2tp: hold socket before dropping lock in l2tp_ip{, 6}_recv()

[pandora-kernel.git] / net / l2tp / l2tp_ip.c

diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 6f12fd6..8173ee3 100644 (file)
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -197,14 +197,15 @@ pass_up:
 
                read_lock_bh(&l2tp_ip_lock);
                sk = __l2tp_ip_bind_lookup(&init_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;