dev_alloc_name (9) Linux Manual Page
dev_alloc_name – allocate a name for a device
Synopsis
int dev_alloc_name(struct net_device *dev, const char *name);Arguments
dev
-
- device
name
- name format string
Description
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.