linux-kernel - [PATCH][next] ASoC: Intel: Skylake: Avoid the use of one-element array

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Date:   Fri, 17 Jul 2020 16:55:00 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Jie Yang <yang.jie@...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-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH][next] ASoC: Intel: Skylake: Avoid the use of one-element
 array

One-element arrays are being deprecated[1]. Replace the one-element
array with a simple value type 'u8 reserved'[2], once it seems this
is just a placeholder for alignment.

[1] https://github.com/KSPP/linux/issues/79
[2] https://github.com/KSPP/linux/issues/86

Tested-by: kernel test robot <lkp@...el.com>
Link: https://github.com/GustavoARSilva/linux-hardening/blob/master/cii/0-day/skylake-20200717.md
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 sound/soc/intel/skylake/skl-topology.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
index 9889f728752c..5e93ad85e06d 100644
--- a/sound/soc/intel/skylake/skl-topology.h
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -97,7 +97,7 @@ struct skl_audio_data_format {
 	u8 number_of_channels;
 	u8 valid_bit_depth;
 	u8 sample_type;
-	u8 reserved[1];
+	u8 reserved;
 } __packed;
 
 struct skl_base_cfg {
-- 
2.27.0