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:
  netns: Don't receive new packets in a dead network namespace.
  sctp: Make sure N * sizeof(union sctp_addr) does not overflow.
  pppoe: warning fix
  ipv6: Drop packets for loopback address from outside of the box.
  ipv6: Remove options header when setsockopt's optlen is 0
  mac80211: detect driver tx bugs