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Date:   Thu, 4 Aug 2022 15:29:40 +0200
From:   Oliver Neukum <>
To:     Andrew Lunn <>, Oliver Neukum <>
Subject: Re: [RFC] r8152: pass through needs to be singular

On 04.08.22 15:24, Andrew Lunn wrote:

> The problem is regressions. Current code will put the MAC address on
> both. I guess most users just have one dock with a cabled and the
> second is unused. Both will get the same MAC address, the DHCP server
> will recognise the MAC address and give out the expected IP address.

1. That is a rather esoteric situation in which a bug is exploited
2. We are at a philosophical point where I need to argue that fixing
a bug is necessarily a change in behavior.

> I would expect whatever MAC address is in the netdev structure to be
> put on the interface at resume. That should of been the MAC it was
> using before suspend. And by doing that, you bypass all the discussion
> about where it came from.

Debatable, but that's not what the driver does. It reacquires the MAC
from the firmware. I want to change that. Though obviously that changes

I am sorry, but at some point a bug is a bug, even if some people like


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