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| author | David S. Miller <davem@davemloft.net> | 2012-01-26 15:23:21 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-01-26 15:23:21 -0500 |
| commit | 1e2927b08160a14fff98e88e7a331d916aaa1d56 (patch) | |
| tree | 745e1793166c9f365262ec1f257d0fb5bfc0119b /net/ipv6 | |
| parent | 39232973b779ab0c02cb6dcd8f819b7cb0fcd09a (diff) | |
| download | linux-1e2927b08160a14fff98e88e7a331d916aaa1d56.tar.gz | |
ipv6: sit: Convert to dst_neigh_lookup()
The only semantic difference is that we now hold a reference to the neighbour and thus have to release it. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/sit.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 133768e52912..c4ffd1743528 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -680,9 +680,10 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, /* ISATAP (RFC4214) - must come before 6to4 */ if (dev->priv_flags & IFF_ISATAP) { struct neighbour *neigh = NULL; + bool do_tx_error = false; if (skb_dst(skb)) - neigh = dst_get_neighbour_noref(skb_dst(skb)); + neigh = dst_neigh_lookup(skb_dst(skb), &iph6->daddr); if (neigh == NULL) { if (net_ratelimit()) @@ -697,6 +698,10 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, ipv6_addr_is_isatap(addr6)) dst = addr6->s6_addr32[3]; else + do_tx_error = true; + + neigh_release(neigh); + if (do_tx_error) goto tx_error; } @@ -705,9 +710,10 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, if (!dst) { struct neighbour *neigh = NULL; + bool do_tx_error = false; if (skb_dst(skb)) - neigh = dst_get_neighbour_noref(skb_dst(skb)); + neigh = dst_neigh_lookup(skb_dst(skb), &iph6->daddr); if (neigh == NULL) { if (net_ratelimit()) @@ -723,10 +729,14 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, addr_type = ipv6_addr_type(addr6); } - if ((addr_type & IPV6_ADDR_COMPATv4) == 0) - goto tx_error_icmp; + if ((addr_type & IPV6_ADDR_COMPATv4) != 0) + dst = addr6->s6_addr32[3]; + else + do_tx_error = true; - dst = addr6->s6_addr32[3]; + neigh_release(neigh); + if (do_tx_error) + goto tx_error; } rt = ip_route_output_ports(dev_net(dev), &fl4, NULL, |