tree 25e93d3aec3956d5c9cb3703122e1416c397c1fb
parent f2d9da1a8375cbe53df5b415d059429013a3a79f
author Eric Dumazet <edumazet@google.com> 1413646477 -0700
committer David S. Miller <davem@davemloft.net> 1413651696 -0400

tcp: fix build error if IPv6 is not enabled

$ make M=net/ipv4
  CC      net/ipv4/route.o
In file included from net/ipv4/route.c:102:0:
include/net/tcp.h: In function ‘tcp_v6_iif’:
include/net/tcp.h:738:32: error: ‘union <anonymous>’ has no member named ‘h6’
  return TCP_SKB_CB(skb)->header.h6.iif;

Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 870c3151382c ("ipv6: introduce tcp_v6_iif()")
Signed-off-by: David S. Miller <davem@davemloft.net>