Name
unregister_netdevice — 
     remove device from the kernel
 
Synopsis
| void unregister_netdevice ( | struct net_device * dev ); | 
 
Description
   This function shuts down a device interface and removes it
   from the kernel tables.
   
   Callers must hold the rtnl semaphore.  You may want
   unregister_netdev instead of this.