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From:   Peter Robinson <pbrobinson@gmail.com>
Date:   Mon, 15 Feb 2021 18:02:59 +0000
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Subject: Re: commit 0f0aefd733f7 to linux-firmware effectively broke all of
 the setups with old kernels
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "open list:TI WILINK WIRELES..." <linux-wireless@vger.kernel.org>,
        netdev <netdev@vger.kernel.org>,
        Kalle Valo <kvalo@codeaurora.org>,
        Josh Boyer <jwboyer@kernel.org>, Ferry Toth <fntoth@gmail.com>
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> Seems the commit 0f0aefd733f7 to linux-firmware effectively broke all
> of the setups with the old kernels. Firmware name is an ABI (!) and
> replacing it like this will definitely break systems with older
> kernels. Linux firmware package likely, but unfortunately, should
> carry on both versions as long as it's needed. Alternative solution is
> to provide the links during installation.

It does provide the links using the copy-firmware.sh and the details in WHENCE.

The alternative is to leave firmwares in place with CVEs.