netdev - Re: pull-request: mac80211 2021-01-18.2

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Date:   Mon, 25 Jan 2021 10:47:21 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     Hans de Goede <hdegoede@...hat.com>,
        "Peer, Ilan" <ilan.peer@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Cc:     "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "Coelho, Luciano" <luciano.coelho@...el.com>
Subject: Re: pull-request: mac80211 2021-01-18.2

Hi,

Sorry, apparently we have two threads.

> Great, thank you for looking into this. Let me know if you have a patch
> which you want me to test on a RTL8723BS adapter.

Could you test this instead?

https://p.sipsolutions.net/235c352b8ae5db88.txt

I don't have that much sympathy for a staging driver that's clearly
doing things differently than it was intended (the documentation states
that the function should be called only before wiphy_register(), not
during ndo_open). :-)

But OTOH, that fix to the driver is simple and looks correct to me since
it only ever has a static regdomain, and the notifier does the work of
applying it to the channels as well.

> One thing which I forgot to mention earlier, it is not just lockdep complaining
> this appears to be a real deadlock, the wifi no longer functions, where
> as it does function with the patch drops.

Right.

johannes