struct sock;
+#ifdef CONFIG_IPV6_MROUTE
extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, int);
extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
extern int ip6_mr_input(struct sk_buff *skb);
extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg);
-extern void ip6_mr_init(void);
+extern int ip6_mr_init(void);
+extern void ip6_mr_cleanup(void);
+#else
+static inline
+int ip6_mroute_setsockopt(struct sock *sock,
+ int optname, char __user *optval, int optlen)
+{
+ return -ENOPROTOOPT;
+}
+
+static inline
+int ip6_mroute_getsockopt(struct sock *sock,
+ int optname, char __user *optval, int __user *optlen)
+{
+ return -ENOPROTOOPT;
+}
+
+static inline
+int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
+{
+ return -ENOIOCTLCMD;
+}
+
+static inline int ip6_mr_init(void)
+{
+ return 0;
+}
+
+static inline void ip6_mr_cleanup(void)
+{
+ return;
+}
+#endif
struct mif_device
{