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

[Joe Hershberger]

Hi Fabio,

On Thu, Jan 9, 2020 at 12:29 PM Fabio Estevam <festevam at gmail.com> wrote:
>
> On some i.MX8QXP MEK boards with no MAC address stored, the following
> hang is seen:
>
> Error: ethernet at 5b040000 address not set.
>
> (Board hangs)
>
> One way to avoid this issue is to select CONFIG_NET_RANDOM_ETHADDR, so
> that a random MAC is provided and boot proceeds, but the lack of MAC
> should not hang the entire system.
>
> Fix the hang by removing the propagation of error when no MAC is found.
>
> In this case there are already messages indicating that something
> is not correct:
>
> Error: ethernet at 5b040000 address not set.
>
> Error: ethernet at 5b040000 address 00:00:00:00:00:00 illegal value
> eth0: ethernet at 5b040000
> Error: ethernet at 5b040000 address 00:00:00:00:00:00 illegal value
>
> Signed-off-by: Fabio Estevam <festevam at gmail.com>

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.

Thanks,
-Joe