linux-kernel - [PATCH -next] ASoC: tas2770: Constify static struct snd_soc_dai

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Message-ID: <20210408062646.803053-1-yebin10@huawei.com>
Date:   Thu, 8 Apr 2021 14:26:46 +0800
From:   Ye Bin <yebin10@...wei.com>
To:     <yebin10@...wei.com>, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Dan Murphy <dmurphy@...com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        "Alexander A. Klimov" <grandmaster@...klimov.de>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] ASoC: tas2770: Constify static struct snd_soc_dai_ops

The snd_soc_dai_ops structures is only stored in the ops field of a
snd_soc_dai_driver structure, so make the snd_soc_dai_ops structure
const to allow the compiler to put it in read-only memory.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Ye Bin <yebin10@...wei.com>
---
 sound/soc/codecs/tas2770.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c
index 781bf9cc4faa..172e79cbe0da 100644
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -464,7 +464,7 @@ static int tas2770_set_dai_tdm_slot(struct snd_soc_dai *dai,
 	return 0;
 }
 
-static struct snd_soc_dai_ops tas2770_dai_ops = {
+static const struct snd_soc_dai_ops tas2770_dai_ops = {
 	.mute_stream = tas2770_mute,
 	.hw_params  = tas2770_hw_params,
 	.set_fmt    = tas2770_set_fmt,