Hi Jakub,

> On Fri, 25 Jul 2025 00:33:10 +0200 Lukasz Majewski wrote:
> > +	for (i = 0; i < SWITCH_EPORT_NUMBER; i++) {
> > +		fep->ndev[i] = alloc_netdev(sizeof(struct
> > mtip_ndev_priv),
> > +					    fep->ndev_name[i],
> > NET_NAME_USER,
> > +					    ether_setup);
> > +		if (!fep->ndev[i]) {
> > +			ret = -ENOMEM;
> > +			break;
> > +		}
> > +
> > +		fep->ndev[i]->ethtool_ops = &mtip_ethtool_ops;
> > +		fep->ndev[i]->netdev_ops = &mtip_netdev_ops;
> > +		SET_NETDEV_DEV(fep->ndev[i], &pdev->dev);
> > +
> > +		priv = netdev_priv(fep->ndev[i]);
> > +		priv->dev = fep->ndev[i];
> > +		priv->fep = fep;
> > +		priv->portnum = i + 1;
> > +		fep->ndev[i]->irq = fep->irq;
> > +
> > +		mtip_setup_mac(fep->ndev[i]);
> > +
> > +		ret = register_netdev(fep->ndev[i]);
> > +		if (ret) {
> > +			dev_err(&fep->ndev[i]->dev,
> > +				"%s: ndev %s register err: %d\n",
> > __func__,
> > +				fep->ndev[i]->name, ret);
> > +			break;
> > +		}  
> 
> Error handling in case of register_netdev() still buggy, AFAICT.

I've added the code to set fep->ndev[i] = NULL to mtip_ndev_cleanup().
IMHO this is the correct place to add it.


Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH, Managing Director: Johanna Denk,
Tabea Lutz HRB 165235 Munich, Office: Kirchenstr.5, D-82194
Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de