[U-Boot] [PATCH] Ethernet: let user know if there is no valid ethernet address

[Marek Vasut <marex@denx.de>]

On Friday, July 11, 2014 at 12:43:47 PM, Pavel Machek wrote:
> On Fri 2014-07-11 11:46:56, Marek Vasut wrote:
> > On Friday, July 11, 2014 at 11:42:13 AM, Pavel Machek wrote:
> > > When there's no ethernet address available, u-boot currently prints
> > > "could not set ethernet address", but fails to mention that there's no
> > > address it could set. Make it a bit less confusing.
> > > 
> > > Signed-off-by: Pavel Machek <pavel@denx.de>
> > > 
> > > diff --git a/net/eth.c b/net/eth.c
> > > index 99386e3..b72ae84 100644
> > > --- a/net/eth.c
> > > +++ b/net/eth.c
> > > @@ -179,10 +179,12 @@ int eth_write_hwaddr(struct eth_device *dev,
> > > const char *base_name, dev->name);
> > > 
> > >  	}
> > > 
> > > -	if (dev->write_hwaddr &&
> > > -			!eth_mac_skip(eth_number)) {
> > > -		if (!is_valid_ether_addr(dev->enetaddr))
> > > +	if (dev->write_hwaddr && !eth_mac_skip(eth_number)) {
> > > +		if (!is_valid_ether_addr(dev->enetaddr)) {
> > > +			printf("\nError: %s ethernet address not valid: %pM\n",
> > > +				 dev->name, dev->enetaddr);
> > > 
> > >  			return -1;
> > 
> > You might as well return -EINVAL here while at it.
> 
> And change two things at once? Too scary :-).

Subsequent patch is welcome.

> > btw. I think I should really NAK you a patch or two, just so you can
> > continue complaining to me about how noone likes you here ;-)
> 
> I'm not saying noone likes me. Everybody loves me, especially my horse
> when I bring carrots. Thanks for the reviews. But I still did not get
> any "applied" or "looks good, will apply" responses...

Do you CC those http://www.denx.de/wiki/U-Boot/Custodians people on patches 
belonging to their domain?

Best regards,
Marek Vasut