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. It scans list of devices to build up a free map, then chooses
the first empty slot. The caller must hold the dev_base or rtnl lock
while allocating the name and adding the device in order to avoid
duplicates.
Limited to bits_per_byte * page size devices (ie 32K on most platforms).
Returns the number of the unit assigned or a negative errno code.