linux-hardening - Re: [PATCH][next] mlxfw: Replace zero-length array with DECLARE_FLEX

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Message-ID: <ZGMvcIWSEVo/qyfl@shredder>
Date:   Tue, 16 May 2023 10:23:28 +0300
From:   Ido Schimmel <idosch@...dia.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, mlxsw@...dia.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] mlxfw: Replace zero-length array with
 DECLARE_FLEX_ARRAY() helper

On Mon, May 15, 2023 at 01:22:48PM -0600, Gustavo A. R. Silva wrote:
> Zero-length arrays are deprecated and we are moving towards adopting
> C99 flexible-array members, instead. So, replace zero-length arrays
> declarations alone in structs with the new DECLARE_FLEX_ARRAY()
> helper macro.
> 
> This helper allows for flexible-array members alone in structs.
> 
> Link: https://github.com/KSPP/linux/issues/193
> Link: https://github.com/KSPP/linux/issues/285
> Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Reviewed-by: Ido Schimmel <idosch@...dia.com>
Tested-by: Ido Schimmel <idosch@...dia.com>