Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (82 commits)
  [NET]: Make sure sockets implement splice_read
  netconsole: avoid null pointer dereference at show_local_mac()
  [IPV6]: Fix reversed local_df test in ip6_fragment
  [XFRM]: Avoid bogus BUG() when throwing new policy away.
  [AF_KEY]: Fix bug in spdadd
  [NETFILTER] nf_conntrack_proto_tcp.c: Mistyped state corrected.
  net: xfrm statistics depend on INET
  [NETFILTER]: make secmark_tg_destroy() static
  [INET]: Unexport inet_listen_wlock
  [INET]: Unexport __inet_hash_connect
  [NET]: Improve cache line coherency of ingress qdisc
  [NET]: Fix race in dev_close(). (Bug 9750)
  [IPSEC]: Fix bogus usage of u64 on input sequence number
  [RTNETLINK]: Send a single notification on device state changes.
  [NETLABLE]: Hide netlbl_unlabel_audit_addr6 under ifdef CONFIG_IPV6.
  [NETLABEL]: Don't produce unused variables when IPv6 is off.
  [NETLABEL]: Compilation for CONFIG_AUDIT=n case.
  [GENETLINK]: Relax dances with genl_lock.
  [NETLABEL]: Fix lookup logic of netlbl_domhsh_search_def.
  [IPV6]: remove unused method declaration (net/ndisc.h).
  ...

1 files changed, 5 insertions, 1 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9ac6ca2521c3..8b67ca07467d 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -621,7 +621,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
          * or if the skb it not generated by a local socket.  (This last
          * check should be redundant, but it's free.)
          */
-        if (!np || np->pmtudisc >= IPV6_PMTUDISC_DO) {
+        if (!skb->local_df) {
                 skb->dev = skb->dst->dev;
                 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
                 IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
@@ -1420,6 +1420,10 @@ int ip6_push_pending_frames(struct sock *sk)
                 tmp_skb->sk = NULL;
         }
 
+        /* Allow local fragmentation. */
+        if (np->pmtudisc < IPV6_PMTUDISC_DO)
+                skb->local_df = 1;
+
         ipv6_addr_copy(final_dst, &fl->fl6_dst);
         __skb_pull(skb, skb_network_header_len(skb));
         if (opt && opt->opt_flen)