#!/bin/sh
unmount=$1
if [ $unmount = "-d" ]
then
  /sbin/umount /mnt/usb/flash
  sleep 2
  /sbin/modprobe -r usb-storage
else
  /sbin/modprobe usb-storage
  /sbin/mount /mnt/usb/flash
fi

##</code><code>##

alaric NOPASSWD: /usr/local/bin/mount_flash, /usr/local/bin/mount_flash -d