Re: [PATCH][next] ASoC: SOF: control.h: Replace zero-length array with DECLARE_FLEX_ARRAY() helper

On Mon, Sep 26, 2022 at 04:40:55PM -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/211 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