From: Andrew Morton <akpm@osdl.org>

net/built-in.o:(.data+0xa328): undefined reference to `fib6_rules_dump'

The fix was optimised for effort:

Thomas Graf <tgraf@suug.ch>
"David S. Miller" <davem@davemloft.net>

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 net/ipv6/addrconf.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff -puN net/ipv6/addrconf.c~git-net-fib_rules-linkage-fix net/ipv6/addrconf.c
--- a/net/ipv6/addrconf.c~git-net-fib_rules-linkage-fix
+++ a/net/ipv6/addrconf.c
@@ -3517,6 +3517,13 @@ static void inet6_prefix_notify(int even
 	netlink_broadcast(rtnl, skb, 0, RTNLGRP_IPV6_PREFIX, GFP_ATOMIC);
 }
 
+#ifndef CONFIG_IPV6_MULTIPLE_TABLES
+int fib6_rules_dump(struct sk_buff *sk_buff, struct netlink_callback *cb)
+{
+	return 0;
+}
+#endif
+
 static struct rtnetlink_link inet6_rtnetlink_table[RTM_NR_MSGTYPES] = {
 	[RTM_GETLINK - RTM_BASE] = { .dumpit	= inet6_dump_ifinfo, },
 	[RTM_NEWADDR - RTM_BASE] = { .doit	= inet6_rtm_newaddr, },
_