Re: [PATCH][next] exportfs: Replace zero-length array with DECLARE_FLEX_ARRAY() helper

Kees Cook
2022-09-03T05:10:11Z

On Sat, Sep 03, 2022 at 12:08:51AM +0100, 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 struct fid 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/21
> Link: https://github.com/KSPP/linux/issues/193
> Link: https://github.com/KSPP/linux/issues/197
> Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

Reviewed-by: Kees Cook <keescook@chromium.org>

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Kees Cook