DEV_ALLOC_NAME

Section: Network device support (9)
Updated: February 2011
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NAME

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 lqltdrq 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.  

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