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SubjectRe: [PATCH][next] ASoC: Intel: Skylake: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
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On 9/27/2022 12:58 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 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/226
> Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
> ---
> sound/soc/intel/skylake/skl-topology.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
> index a5bccf2fcd88..017ac0ef324d 100644
> --- a/sound/soc/intel/skylake/skl-topology.h
> +++ b/sound/soc/intel/skylake/skl-topology.h
> @@ -233,8 +233,8 @@ struct skl_uuid_inst_map {
> struct skl_kpb_params {
> u32 num_modules;
> union {
> - struct skl_mod_inst_map map[0];
> - struct skl_uuid_inst_map map_uuid[0];
> + DECLARE_FLEX_ARRAY(struct skl_mod_inst_map, map);
> + DECLARE_FLEX_ARRAY(struct skl_uuid_inst_map, map_uuid);
> } u;
> };
>

Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>

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