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Date:   Tue, 30 Aug 2022 10:15:00 +0900
From:   Vincent MAILHOL <mailhol.vincent@...adoo.fr>
To:     Kees Cook <keescook@...omium.org>
Cc:     "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] can: etas_es58x: Replace zero-length array with
 DECLARE_FLEX_ARRAY() helper

On Tue. 30 Aug. 2022 at 07:15, Kees Cook <keescook@...omium.org> wrote:
> On Mon, Aug 29, 2022 at 04:50:59PM -0500, 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 array
> > declaration in union es58x_urb_cmd with the new DECLARE_FLEX_ARRAY()
> > helper macro.
> >
> > This helper allows for a flexible-array member in a union.
> >
> > Link: https://github.com/KSPP/linux/issues/193
> > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
> > Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
>
> Reviewed-by: Kees Cook <keescook@...omium.org>

Acked-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>


Yours sincerely,
Vincent Mailhol

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