Hi Jacub,
On Fri, 2021-04-16 at 14:22 -0700, Jakub Kicinski wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the > content is safe > > On Fri, 16 Apr 2021 15:16:50 +0200 Steen Hegelund wrote: > > +static int sparx5_set_mac_address(struct net_device *dev, void *p) > > +{ > > + const struct sockaddr *addr = p; > > + > > + /* Record the address */ > > + ether_addr_copy(dev->dev_addr, addr->sa_data); > > I think you need to validate that add is a valid ethernet address. > is_valid_ether_addr() I will add validation. > > > +struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno) > > +{ > > + struct sparx5_port *spx5_port; > > + struct net_device *ndev; > > + u64 val; > > + > > + ndev = devm_alloc_etherdev(sparx5->dev, sizeof(struct sparx5_port)); > > + if (!ndev) > > + return ERR_PTR(-ENOMEM); > > + > > + SET_NETDEV_DEV(ndev, sparx5->dev); > > + spx5_port = netdev_priv(ndev); > > + spx5_port->ndev = ndev; > > + spx5_port->sparx5 = sparx5; > > + spx5_port->portno = portno; > > + sparx5_set_port_ifh(spx5_port->ifh, portno); > > + snprintf(ndev->name, IFNAMSIZ, "eth%d", portno); > > Please don't try to name interfaces in the kernel. OK. I will remove that. Thanks for your comments. BR Steen