linux-kernel - Re: [PATCH AUTOSEL 6.2 2/6] efi: efivars: prevent double registration

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Date:   Wed, 1 Mar 2023 13:59:08 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>,
        linux-efi@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.2 2/6] efi: efivars: prevent double registration

On Wed, Mar 01, 2023 at 05:31:15PM +0100, Ard Biesheuvel wrote:
>On Wed, 1 Mar 2023 at 17:29, Sasha Levin <sashal@...nel.org> wrote:
>>
>> From: Johan Hovold <johan+linaro@...nel.org>
>>
>> [ Upstream commit 0217a40d7ba6e71d7f3422fbe89b436e8ee7ece7 ]
>>
>> Add the missing sanity check to efivars_register() so that it is no
>> longer possible to override an already registered set of efivar ops
>> (without first deregistering them).
>>
>> This can help debug initialisation ordering issues where drivers have so
>> far unknowingly been relying on overriding the generic ops.
>>
>> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
>> Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
>> Signed-off-by: Sasha Levin <sashal@...nel.org>
>
>NAK this is not a bugfix.

Ack, I'll drop it. Thanks!

-- 
Thanks,
Sasha