linux-kernel - Re: [PATCH] s390: replace zero-length array with flexible-array member

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Date:   Mon, 4 Apr 2022 11:14:36 +0200
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     cgel.zte@...il.com
Cc:     gor@...ux.ibm.com, agordeev@...ux.ibm.com,
        borntraeger@...ux.ibm.com, svens@...ux.ibm.com, lv.ruyi@....com.cn,
        egorenar@...ux.ibm.com, oberpar@...ux.ibm.com,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] s390: replace zero-length array with flexible-array
 member

On Fri, Apr 01, 2022 at 07:56:39AM +0000, cgel.zte@...il.com wrote:
> From: Lv Ruyi <lv.ruyi@....com.cn>
> 
> 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
> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
> ---
>  drivers/s390/char/sclp_cmd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

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