static struct macsec_rx_sc *get_rxsc_from_nl(struct net *net,
					     struct nlattr **attrs,
					     struct nlattr **tb_rxsc,
					     struct net_device **devp,
					     struct macsec_secy **secyp)
{
	struct net_device *dev;
	struct macsec_secy *secy;
	struct macsec_rx_sc *rx_sc;
	sci_t sci;

	dev = get_dev_from_nl(net, attrs);
	if (IS_ERR(dev))
		return ERR_CAST(dev);

	secy = &macsec_priv(dev)->secy;

	if (!tb_rxsc[MACSEC_RXSC_ATTR_SCI])
		return ERR_PTR(-EINVAL);

	sci = nla_get_sci(tb_rxsc[MACSEC_RXSC_ATTR_SCI]);
	rx_sc = find_rx_sc_rtnl(secy, sci);
	if (!rx_sc)
		return ERR_PTR(-ENODEV);

	*secyp = secy;
	*devp = dev;

	return rx_sc;
}
static struct macsec_rx_sc *get_rxsc_from_nl(struct net *net,
					     struct nlattr **attrs,
					     struct nlattr **tb_rxsc,
					     struct net_device **devp,
					     struct macsec_secy **secyp)
{
	struct net_device *dev;
	struct macsec_secy *secy;
	struct macsec_rx_sc *rx_sc;
	sci_t sci;

	dev = get_dev_from_nl(net, attrs);
	if (IS_ERR(dev))
		return ERR_CAST(dev);

	secy = &macsec_priv(dev)->secy;

	if (!tb_rxsc[MACSEC_RXSC_ATTR_SCI])
		return ERR_PTR(-EINVAL);

	sci = nla_get_sci(tb_rxsc[MACSEC_RXSC_ATTR_SCI]);
	rx_sc = find_rx_sc_rtnl(secy, sci);
	if (!rx_sc)
		return ERR_PTR(-ENODEV);

	*secyp = secy;
	*devp = dev;

	return rx_sc;
}