ssu100: switch to ->get_serial()

Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

drivers/usb/serial/ssu100.c

@@ -331,39 +331,19 @@ static int ssu100_open(struct tty_struct *tty, struct usb_serial_port *port)
 	return usb_serial_generic_open(tty, port);
 }
 
-static int get_serial_info(struct usb_serial_port *port,
-			   struct serial_struct __user *retinfo)
-{
-	struct serial_struct tmp;
-
-	memset(&tmp, 0, sizeof(tmp));
-	tmp.line		= port->minor;
-	tmp.port		= 0;
-	tmp.irq			= 0;
-	tmp.xmit_fifo_size	= port->bulk_out_size;
-	tmp.baud_base		= 9600;
-	tmp.close_delay		= 5*HZ;
-	tmp.closing_wait	= 30*HZ;
-
-	if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
-		return -EFAULT;
-	return 0;
-}
-
-static int ssu100_ioctl(struct tty_struct *tty,
-		    unsigned int cmd, unsigned long arg)
+static int get_serial_info(struct tty_struct *tty,
+			   struct serial_struct *ss)
 {
 	struct usb_serial_port *port = tty->driver_data;
 
-	switch (cmd) {
-	case TIOCGSERIAL:
-		return get_serial_info(port,
-				       (struct serial_struct __user *) arg);
-	default:
-		break;
-	}
-
-	return -ENOIOCTLCMD;
+	ss->line		= port->minor;
+	ss->port		= 0;
+	ss->irq			= 0;
+	ss->xmit_fifo_size	= port->bulk_out_size;
+	ss->baud_base		= 9600;
+	ss->close_delay		= 5*HZ;
+	ss->closing_wait	= 30*HZ;
+	return 0;
 }
 
 static int ssu100_attach(struct usb_serial *serial)
@@ -566,7 +546,7 @@ static struct usb_serial_driver ssu100_device = {
 	.tiocmset            = ssu100_tiocmset,
 	.tiocmiwait          = usb_serial_generic_tiocmiwait,
 	.get_icount	     = usb_serial_generic_get_icount,
-	.ioctl               = ssu100_ioctl,
+	.get_serial          = get_serial_info,
 	.set_termios         = ssu100_set_termios,
 };