linux-hardening - Re: [next] rtw89: core.h: Replace zero-length array with flexible-array member

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Message-ID: <164543407352.995.16373174771394490326.kvalo@kernel.org>
Date:   Mon, 21 Feb 2022 09:01:17 +0000 (UTC)
From:   Kalle Valo <kvalo@...nel.org>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Ping-Ke Shih <pkshih@...ltek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: Re: [next] rtw89: core.h: Replace zero-length array with
 flexible-array member

"Gustavo A. R. Silva" <gustavoars@...nel.org> wrote:

> There is a regular need in the kernel to provide a way to declare
> having a dynamically sized set of trailing elements in a structure.
> Kernel code should always use “flexible array members”[1] for these
> cases. The older style of one-element or zero-length arrays should
> no longer be used[2].
> 
> [1] https://en.wikipedia.org/wiki/Flexible_array_member
> [2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays
> 
> Link: https://github.com/KSPP/linux/issues/78
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
> Reviewed-by: Kees Cook <keescook@...omium.org>
> Acked-by: Ping-Ke Shih <pkshih@...ltek.com>

Patch applied to wireless-next.git, thanks.

2e2f63a19b0a rtw89: core.h: Replace zero-length array with flexible-array member

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20220216195047.GA904198@embeddedor/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches