#include <linux/usb.h>
 #include <linux/usb/serial.h>
 
-static int usb_serial_device_match (struct device *dev, struct device_driver *drv)
+static int usb_serial_device_match(struct device *dev,
+                                               struct device_driver *drv)
 {
        struct usb_serial_driver *driver;
        const struct usb_serial_port *port;
 
 static DEVICE_ATTR(port_number, S_IRUGO, show_port_number, NULL);
 
-static int usb_serial_device_probe (struct device *dev)
+static int usb_serial_device_probe(struct device *dev)
 {
        struct usb_serial_driver *driver;
        struct usb_serial_port *port;
                        retval = -EIO;
                        goto exit;
                }
-               retval = driver->port_probe (port);
+               retval = driver->port_probe(port);
                module_put(driver->driver.owner);
                if (retval)
                        goto exit;
                goto exit;
 
        minor = port->number;
-       tty_register_device (usb_serial_tty_driver, minor, dev);
-       dev_info(&port->serial->dev->dev, 
+       tty_register_device(usb_serial_tty_driver, minor, dev);
+       dev_info(&port->serial->dev->dev,
                 "%s converter now attached to ttyUSB%d\n",
                 driver->description, minor);
 
        return retval;
 }
 
-static int usb_serial_device_remove (struct device *dev)
+static int usb_serial_device_remove(struct device *dev)
 {
        struct usb_serial_driver *driver;
        struct usb_serial_port *port;
        int minor;
 
        port = to_usb_serial_port(dev);
-       if (!port) {
+       if (!port)
                return -ENODEV;
-       }
 
        device_remove_file(&port->dev, &dev_attr_port_number);
 
                        retval = -EIO;
                        goto exit;
                }
-               retval = driver->port_remove (port);
+               retval = driver->port_remove(port);
                module_put(driver->driver.owner);
        }
 exit:
        minor = port->number;
-       tty_unregister_device (usb_serial_tty_driver, minor);
+       tty_unregister_device(usb_serial_tty_driver, minor);
        dev_info(dev, "%s converter now disconnected from ttyUSB%d\n",
                 driver->description, minor);