[NETNS][IPV6]: inet6_addr - ipv6_get_ifaddr namespace aware

The inet6_addr_lst is browsed taking into account the network
namespace specified as parameter. If an address does not belong
to the specified namespace, it is ignored.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index d1697b5..77f630f 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -67,9 +67,11 @@
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 extern int			ipv6_chk_home_addr(struct in6_addr *addr);
 #endif
-extern struct inet6_ifaddr *	ipv6_get_ifaddr(struct in6_addr *addr,
-						struct net_device *dev,
-						int strict);
+extern struct inet6_ifaddr      *ipv6_get_ifaddr(struct net *net,
+						 struct in6_addr *addr,
+						 struct net_device *dev,
+						 int strict);
+
 extern int			ipv6_get_saddr(struct dst_entry *dst, 
 					       struct in6_addr *daddr,
 					       struct in6_addr *saddr);