- void *, size_t *);
-static int dn_forwarding_sysctl(ctl_table *table, int *name, int nlen,
- void *oldval, size_t *oldlenp,
- void *newval, size_t newlen,
+ void __user *, size_t *, loff_t *);
+static int dn_forwarding_sysctl(ctl_table *table, int __user *name, int nlen,
+ void __user *oldval, size_t __user *oldlenp,
+ void __user *newval, size_t newlen,