[PATCH] net: eth-uclass: Do not return error when no MAC is found

[Joe Hershberger]

On Tue, Mar 10, 2020 at 1:34 PM Fabio Estevam <festevam at gmail.com> wrote:
>
> Hi Joe,
>
> On Tue, Mar 10, 2020 at 2:45 PM Joe Hershberger <joe.hershberger at ni.com> wrote:
>
> > I tried to apply this but it breaks the unit tests. I guess you didn't
> > try "ut dm" in sandbox?
> >
> > https://travis-ci.org/jhershbe/u-boot/builds/660395782
> >
> > Please test those and update the tests to pass with your change.
>
> Ok, I will revisit this patch after 2020.04.
>
> I think we should probably let net_random_ethaddr() run unconditionally:

That may be a better solution... with the warning of course.

Cheers,
-Joe

> --- a/net/eth-uclass.c
> +++ b/net/eth-uclass.c
> @@ -547,15 +547,9 @@ static int eth_post_probe(struct udevice *dev)
>                        dev->name);
>         } else if (is_zero_ethaddr(pdata->enetaddr) ||
>                    !is_valid_ethaddr(pdata->enetaddr)) {
> -#ifdef CONFIG_NET_RANDOM_ETHADDR
>                 net_random_ethaddr(pdata->enetaddr);
>                 printf("\nWarning: %s (eth%d) using random MAC address - %pM\n",
>                        dev->name, dev->seq, pdata->enetaddr);
> -#else
> -               printf("\nError: %s address not set.\n",
> -                      dev->name);
> -               return -EINVAL;
> -#endif
>         }
>
>         eth_write_hwaddr(dev);
>
> Thanks