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

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [NET]: Remove redundant NULL checks before [kv]free
  unaligned access in sk_run_filter()
  [IPV6]: Clean up hop-by-hop options handler.
  [IPV6] XFRM: Fix decoding session with preceding extension header(s).
  [IPV6] XFRM: Don't use old copy of pointer after pskb_may_pull().
  [IPV6]: Ensure to have hop-by-hop options in our header of &sk_buff.
  [TCP]: Fix truesize underflow