/* Find a free SLIP channel, and link in this `tty' line. */
-static struct slip *sl_alloc(dev_t line)
+static struct slip *sl_alloc(void)
{
int i;
char name[IFNAMSIZ];
/* OK. Find a free SLIP channel to use. */
err = -ENFILE;
- sl = sl_alloc(tty_devnum(tty));
+ sl = sl_alloc();
if (sl == NULL)
goto err_exit;