* clear -- Flush table, remove all entries
*/
-static int ip_recent_ctrl(struct file *file, const char *input, unsigned long size, void *data)
+static int ip_recent_ctrl(struct file *file, const char __user *input, unsigned long size, void *data)
{
static const u_int32_t max[4] = { 0xffffffff, 0xffffff, 0xffff, 0xff };
u_int32_t val;