extern int ipv6_chk_addr(struct in6_addr *addr,
struct net_device *dev,
int strict);
-#ifdef CONFIG_IPV6_MIP6
+#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,