Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / net / ipv6 / icmp.c

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index abedf95..b3157a0 100644 (file)
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -91,19 +91,22 @@ static struct inet6_protocol icmpv6_protocol = {
        .flags          =       INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
 };
 
-static __inline__ int icmpv6_xmit_lock(struct sock *sk)
+static __inline__ struct sock *icmpv6_xmit_lock(struct net *net)
 {
+       struct sock *sk;
+
        local_bh_disable();
 
+       sk = icmpv6_sk(net);
        if (unlikely(!spin_trylock(&sk->sk_lock.slock))) {
                /* This can happen if the output path (f.e. SIT or
                 * ip6ip6 tunnel) signals dst_link_failure() for an
                 * outgoing ICMP6 packet.
                 */
                local_bh_enable();
-               return 1;
+               return NULL;
        }
-       return 0;
+       return sk;
 }
 
 static __inline__ void icmpv6_xmit_unlock(struct sock *sk)
@@ -392,11 +395,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
        fl.fl_icmp_code = code;
        security_skb_classify_flow(skb, &fl);
 
-       sk = icmpv6_sk(net);
-       np = inet6_sk(sk);
-
-       if (icmpv6_xmit_lock(sk))
+       sk = icmpv6_xmit_lock(net);
+       if (sk == NULL)
                return;
+       np = inet6_sk(sk);
 
        if (!icmpv6_xrlim_allow(sk, type, &fl))
                goto out;
@@ -539,11 +541,10 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
        fl.fl_icmp_type = ICMPV6_ECHO_REPLY;
        security_skb_classify_flow(skb, &fl);
 
-       sk = icmpv6_sk(net);
-       np = inet6_sk(sk);
-
-       if (icmpv6_xmit_lock(sk))
+       sk = icmpv6_xmit_lock(net);
+       if (sk == NULL)
                return;
+       np = inet6_sk(sk);
 
        if (!fl.oif && ipv6_addr_is_multicast(&fl.fl6_dst))
                fl.oif = np->mcast_oif;