static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
{
	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
	const struct net_device_ops *ops = real_dev->netdev_ops;
	int rc = -EINVAL;

	if (ops->ndo_fcoe_get_wwn)
		rc = ops->ndo_fcoe_get_wwn(real_dev, wwn, type);
	return rc;
}
static int vlan_dev_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
{
	struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
	const struct net_device_ops *ops = real_dev->netdev_ops;
	int rc = -EINVAL;

	if (ops->ndo_fcoe_get_wwn)
		rc = ops->ndo_fcoe_get_wwn(real_dev, wwn, type);
	return rc;
}