static __inline__ struct net_device *dev_get_idx(loff_t pos)
{
	struct net_device *dev;
	loff_t i;

	for (i = 0, dev = dev_base; dev && i < pos; ++i, dev = dev->next);

	return i == pos ? dev : NULL;
}
static __inline__ struct net_device *dev_get_idx(loff_t pos)
{
	struct net_device *dev;
	loff_t i;

	for (i = 0, dev = dev_base; dev && i < pos; ++i, dev = dev->next);

	return i == pos ? dev : NULL;
}