dev_alloc_name — allocate a name for a device
int dev_alloc_name (
struct net_device * dev, const char * name)
;
Passed a format string - eg “ltd
” it will try and find a suitable
id. Not efficient for many devices, not called a lot. The caller
must hold the dev_base or rtnl lock while allocating the name and
adding the device in order to avoid duplicates. Returns the number
of the unit assigned or a negative errno code.