suse man page for __dev_get_by_name

__DEV_GET_BY_NAME(9)					      Network device support					      __DEV_GET_BY_NAME(9)

NAME
       __dev_get_by_name - find a device by its name

SYNOPSIS
       struct net_device * __dev_get_by_name(struct net * net, const char * name);

ARGUMENTS
       net
	   the applicable net namespace

       name
	   name to find

DESCRIPTION
       Find an interface by name. Must be called under RTNL semaphore or dev_base_lock. If the name is found a pointer to the device is returned.
       If the name is not found then NULL is returned. The reference counters are not incremented so the caller must be careful with locks.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						      __DEV_GET_BY_NAME(9)