[PATCH][next] ASoC: uapi: Replace zero-length arrays with __DECLARE_FLEX_ARRAY() helper
Kees Cook
keescook at chromium.org
Tue Sep 27 04:33:09 CEST 2022
On Mon, Sep 26, 2022 at 06:18:42PM -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 arrays
> declarations in anonymous union with the new __DECLARE_FLEX_ARRAY()
> helper macro.
>
> This helper allows for flexible-array members in unions.
>
> Link: https://github.com/KSPP/linux/issues/193
> Link: https://github.com/KSPP/linux/issues/227
> Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
> Signed-off-by: Gustavo A. R. Silva <gustavoars at kernel.org>
Some day after the __element_count__ attribute exists, we might want to
consider a __type_select__ attribute to tie union members to a variable
outside the union (like the "type" member here).
Reviewed-by: Kees Cook <keescook at chromium.org>
--
Kees Cook
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