[IPV4]: Fix secondary IP addresses after promotion

This patch fixes the problem with promoting aliases when:
a) a single primary and > 1 secondary addresses
b) multiple primary addresses each with at least one secondary address

Based on earlier efforts from Brian Pomerantz <bapper@piratehaven.org>,
Patrick McHardy <kaber@trash.net> and Thomas Graf <tgraf@suug.ch>

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/route.h b/include/net/route.h
index dbe79ca67d31..e3e5436f8017 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -126,6 +126,9 @@ extern int		ip_rt_ioctl(unsigned int cmd, void __user *arg);
 extern void             ip_rt_get_source(u8 *src, struct rtable *rt);
 extern int              ip_rt_dump(struct sk_buff *skb,  struct netlink_callback *cb);
 
+struct in_ifaddr;
+extern void fib_add_ifaddr(struct in_ifaddr *);
+
 static inline void ip_rt_put(struct rtable * rt)
 {
         if (rt)