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Message-ID: <4d7caa50-9271-b062-2e0d-ad200b8a95f7@linux.intel.com> Date: Tue, 27 Sep 2022 09:35:41 +0200 From: Amadeusz Sławiński <amadeuszx.slawinski@...ux.intel.com> To: "Gustavo A. R. Silva" <gustavoars@...nel.org>, Cezary Rojewski <cezary.rojewski@...el.com>, Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>, Liam Girdwood <liam.r.girdwood@...ux.intel.com>, Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>, Bard Liao <yung-chuan.liao@...ux.intel.com>, Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>, Kai Vehmanen <kai.vehmanen@...ux.intel.com>, Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com> Cc: alsa-devel@...a-project.org, linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH][next] ASoC: Intel: Skylake: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper 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@...nel.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@...ux.intel.com>
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