From: Eric Dumazet <edumazet@google.com>
Date: Sat, 18 Oct 2014 15:34:37 +0000 (-0700)
Subject: tcp: fix build error if IPv6 is not enabled
X-Git-Tag: fixes-against-v3.18-rc2~39^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=815afe1785da727ee48cd8e63ac4a3ec6c7459b3;p=pandora-kernel.git

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>
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