f81232: switch to ->get_serial()

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

drivers/usb/serial/f81232.c

@@ -583,36 +583,16 @@ static int f81232_carrier_raised(struct usb_serial_port *port)
 	return 0;
 }
 
-static int f81232_get_serial_info(struct usb_serial_port *port,
-		unsigned long arg)
-{
-	struct serial_struct ser;
-
-	memset(&ser, 0, sizeof(ser));
-
-	ser.type = PORT_16550A;
-	ser.line = port->minor;
-	ser.port = port->port_number;
-	ser.baud_base = F81232_MAX_BAUDRATE;
-
-	if (copy_to_user((void __user *)arg, &ser, sizeof(ser)))
-		return -EFAULT;
-
-	return 0;
-}
-
-static int f81232_ioctl(struct tty_struct *tty,
-			unsigned int cmd, unsigned long arg)
+static int f81232_get_serial_info(struct tty_struct *tty,
+		struct serial_struct *ss)
 {
 	struct usb_serial_port *port = tty->driver_data;
 
-	switch (cmd) {
-	case TIOCGSERIAL:
-		return f81232_get_serial_info(port, arg);
-	default:
-		break;
-	}
-	return -ENOIOCTLCMD;
+	ss->type = PORT_16550A;
+	ss->line = port->minor;
+	ss->port = port->port_number;
+	ss->baud_base = F81232_MAX_BAUDRATE;
+	return 0;
 }
 
 static void  f81232_interrupt_work(struct work_struct *work)
@@ -665,7 +645,7 @@ static struct usb_serial_driver f81232_device = {
 	.close =		f81232_close,
 	.dtr_rts =		f81232_dtr_rts,
 	.carrier_raised =	f81232_carrier_raised,
-	.ioctl =		f81232_ioctl,
+	.get_serial =		f81232_get_serial_info,
 	.break_ctl =		f81232_break_ctl,
 	.set_termios =		f81232_set_termios,
 	.tiocmget =		f81232_tiocmget,