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Date:   Sat, 3 Sep 2022 19:48:47 +0800
From:   Joseph Qi <>
To:     "Gustavo A. R. Silva" <>,
        Mark Fasheh <>,
        Joel Becker <>,
        akpm <>
Subject: Re: [PATCH][next] ocfs2: Replace zero-length arrays with

On 9/3/22 7:59 AM, 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
> declarations in a couple of structures and unions with the new
> DECLARE_FLEX_ARRAY() helper macro.
> This helper allows for a flexible-array member in a union and as
> only member in a structure.
> Also, this addresses multiple warnings reported when building with
> Clang-15 and -Wzero-length-array.
> Lastly, this will also help memcpy (in a coming hardening update)
> execute proper bounds-checking on variable length object i_symlink
> at fs/ocfs2/namei.c:1973:
> fs/ocfs2/namei.c:
> 1973                 memcpy((char *) fe->id2.i_symlink, symname, l);
> Link:
> Link:
> Link:
> Link:
> Signed-off-by: Gustavo A. R. Silva <>

Looks good.
Reviewed-by: Joseph Qi <>

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