Endian issues - example

  drivers/usb/serial/visor.c

    struct visor_connection_info *connection_info;

    /* send a get connection info request */
    usb_control_msg (serial->dev,
                       usb_rcvctrlpipe(serial->dev, 0),
                       VISOR_GET_CONNECTION_INFORMATION,
                       0xc2, 0x0000, 0x0000,
                       transfer_buffer, 0x12, 300);

    connection_info = 
         (struct visor_connection_info *)transfer_buffer;

    le16_to_cpus(&connection_info->num_ports);