#ifdef __KERNEL__
#include <net/sock.h>
-extern int ip_mroute_setsockopt(struct sock *, int, char *, int);
-extern int ip_mroute_getsockopt(struct sock *, int, char *, int *);
-extern int ipmr_ioctl(struct sock *sk, int cmd, unsigned long arg);
+extern int ip_mroute_setsockopt(struct sock *, int, char __user *, int);
+extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
+extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
extern void ip_mr_init(void);