Hi Gao,

[auto build test ERROR on nf-next/master]

url:    https://github.com/0day-ci/linux/commits/gfree-wind-foxmail-com/netfilter-Remove-useless-variable-timeouts-in-init_conntrack/20170406-031517
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git master
config: i386-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c:377:11: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .new   = icmpv6_new,
              ^~~~~~~~~~
   net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c:377:11: note: (near initialization for 'nf_conntrack_l4proto_icmpv6.new')
   cc1: some warnings being treated as errors
--
>> net/netfilter/nf_conntrack_proto_generic.c:196:11: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .new   = generic_new,
              ^~~~~~~~~~~
   net/netfilter/nf_conntrack_proto_generic.c:196:11: note: (near initialization for 'nf_conntrack_l4proto_generic.new')
   cc1: some warnings being treated as errors
--
>> net/netfilter/nf_conntrack_proto_gre.c:374:11: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .new   = gre_new,
              ^~~~~~~
   net/netfilter/nf_conntrack_proto_gre.c:374:11: note: (near initialization for 'nf_conntrack_l4proto_gre4.new')
   cc1: some warnings being treated as errors

vim +377 net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c

8fc027816 Gao feng            2012-06-21  361  
08911475d Pablo Neira Ayuso   2012-06-29  362  static struct nf_proto_net *icmpv6_get_net_proto(struct net *net)
08911475d Pablo Neira Ayuso   2012-06-29  363  {
08911475d Pablo Neira Ayuso   2012-06-29  364  	return &net->ct.nf_ct_proto.icmpv6.pn;
08911475d Pablo Neira Ayuso   2012-06-29  365  }
08911475d Pablo Neira Ayuso   2012-06-29  366  
61075af51 Patrick McHardy     2007-07-14  367  struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly =
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  368  {
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  369  	.l3proto		= PF_INET6,
605dcad6c Martin Josefsson    2006-11-29  370  	.l4proto		= IPPROTO_ICMPV6,
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  371  	.name			= "icmpv6",
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  372  	.pkt_to_tuple		= icmpv6_pkt_to_tuple,
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  373  	.invert_tuple		= icmpv6_invert_tuple,
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  374  	.print_tuple		= icmpv6_print_tuple,
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  375  	.packet			= icmpv6_packet,
2c8503f55 Pablo Neira Ayuso   2012-02-28  376  	.get_timeouts		= icmpv6_get_timeouts,
9fb9cbb10 Yasuyuki Kozakai    2005-11-09 @377  	.new			= icmpv6_new,
9fb9cbb10 Yasuyuki Kozakai    2005-11-09  378  	.error			= icmpv6_error,
07a936260 Amerigo Wang        2012-10-29  379  #if IS_ENABLED(CONFIG_NF_CT_NETLINK)
fdf708322 Patrick McHardy     2007-09-28  380  	.tuple_to_nlattr	= icmpv6_tuple_to_nlattr,
a400c30ed Holger Eitzenberger 2009-03-25  381  	.nlattr_tuple_size	= icmpv6_nlattr_tuple_size,
fdf708322 Patrick McHardy     2007-09-28  382  	.nlattr_to_tuple	= icmpv6_nlattr_to_tuple,
f73e924cd Patrick McHardy     2007-09-28  383  	.nla_policy		= icmpv6_nla_policy,
c1d10adb4 Pablo Neira Ayuso   2006-01-05  384  #endif
509784623 Pablo Neira Ayuso   2012-02-28  385  #if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)

:::::: The code at line 377 was first introduced by commit
:::::: 9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1 [NETFILTER]: Add nf_conntrack subsystem.

:::::: TO: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
:::::: CC: David S. Miller <davem@davemloft.net>

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