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From: Stanislaw Gruszka <stf_xl@wp.pl>
To: Rosen Penev <rosenp@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
	linux-wireless@vger.kernel.org,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH wireless-next] wifi: rt2x00: check for of_get_mac_address error
Date: Tue, 28 Apr 2026 08:50:09 +0200	[thread overview]
Message-ID: <20260428065009.GA5454@wp.pl> (raw)
In-Reply-To: <CAKxU2N_bGO-FBgutLyxLW=E1ZroONnT6FjKBj5hRiB2K6P6KDg@mail.gmail.com>

On Mon, Apr 27, 2026 at 12:29:08PM -0700, Rosen Penev wrote:
> On Mon, Apr 27, 2026 at 3:54 AM Stanislaw Gruszka <stf_xl@wp.pl> wrote:
> >
> > On Mon, Apr 27, 2026 at 12:45:14PM +0200, Johannes Berg wrote:
> > > On Mon, 2026-04-27 at 09:32 +0200, Stanislaw Gruszka wrote:
> > > > On Sun, Apr 26, 2026 at 10:16:52PM -0700, Rosen Penev wrote:
> > > > > is_valid_ether_addr is already a check of of_get_mac_address, in which
> > > > > case it returns an error if false. Just set a random MAC on all errors
> > > > > except for EPROBE_DEFER.
> > > > >
> > > > > Signed-off-by: Rosen Penev <rosenp@gmail.com>
> > > > Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
> > >
> > > Are you sure? I just randomly checked one caller to see what the
> > > *eeprom_mac_addr would contain, and I see
> > >
> > >         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
> > >         rt2x00lib_set_mac_address(rt2x00dev, mac);
> > >
> > > so that case assumes it can get it from EEPROM and override with OF, but
> > > if OF fails then it would still use the EEPROM address as long as it's
> > > valid ...
> >
> > You have right, please drop the patch.
> >
> > BTW, the code should be changed to move getting the address from OF
> > out of _set routine.
> Where should it go?

Never mind, I got confused by "set" word in the rt2x00lib_set_mac_address().

Regards
Stanislaw

      reply	other threads:[~2026-04-28  6:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-27  5:16 [PATCH wireless-next] wifi: rt2x00: check for of_get_mac_address error Rosen Penev
2026-04-27  7:32 ` Stanislaw Gruszka
2026-04-27 10:45   ` Johannes Berg
2026-04-27 10:54     ` Stanislaw Gruszka
2026-04-27 19:29       ` Rosen Penev
2026-04-28  6:50         ` Stanislaw Gruszka [this message]

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