linux-hardening - Re: [PATCH v2][wireless-next/for-next] wifi: mt76: mt7996: Use DECLARE_FLEX

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Message-ID: <6681b643-464d-44d9-b01a-420e543d19d6@embeddedor.com>
Date: Fri, 15 Dec 2023 11:49:07 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Kalle Valo <kvalo@...nel.org>, "Gustavo A. R. Silva"
 <gustavoars@...nel.org>
Cc: Felix Fietkau <nbd@....name>, Lorenzo Bianconi <lorenzo@...nel.org>,
 Ryder Lee <ryder.lee@...iatek.com>, Shayne Chen <shayne.chen@...iatek.com>,
 Sean Wang <sean.wang@...iatek.com>, Matthias Brugger
 <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2][wireless-next/for-next] wifi: mt76: mt7996: Use
 DECLARE_FLEX_ARRAY() and fix -Warray-bounds warnings

On 12/15/23 07:29, Kalle Valo wrote:
> "Gustavo A. R. Silva" <gustavoars@...nel.org> wrote:
> 
>> Transform zero-length arrays `rate`, `adm_stat` and `msdu_cnt` into
>> proper flexible-array members in anonymous union in `struct
>> mt7996_mcu_all_sta_info_event` via the DECLARE_FLEX_ARRAY()
>> helper; and fix multiple -Warray-bounds warnings:

[..]

>>
>> This results in no differences in binary output, helps with the ongoing
>> efforts to globally enable -Warray-bounds.
>>
>> Reviewed-by: Kees Cook <keescook@...omium.org>
>> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> 
> I'll take this directly wireless-next, ok?
> 

Yep, sounds good.

Thanks!
--
Gustavo