linux-kernel - [PATCH -next] ASoC: rk817: Constify static struct snd_soc_dai

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Message-ID: <20210602113643.3037374-1-weiyongjun1@huawei.com>
Date:   Wed, 2 Jun 2021 11:36:43 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <weiyongjun1@...wei.com>, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Lee Jones <lee.jones@...aro.org>,
        Chris Morgan <macromorgan@...mail.com>
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: rk817: 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: Wei Yongjun <weiyongjun1@...wei.com>
---
 sound/soc/codecs/rk817_codec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rk817_codec.c b/sound/soc/codecs/rk817_codec.c
index 17e672b85ee5..9a896e4326c3 100644
--- a/sound/soc/codecs/rk817_codec.c
+++ b/sound/soc/codecs/rk817_codec.c
@@ -382,7 +382,7 @@ static int rk817_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
 			SNDRV_PCM_FMTBIT_S24_LE |\
 			SNDRV_PCM_FMTBIT_S32_LE)
 
-static struct snd_soc_dai_ops rk817_dai_ops = {
+static const struct snd_soc_dai_ops rk817_dai_ops = {
 	.hw_params	= rk817_hw_params,
 	.set_fmt	= rk817_set_dai_fmt,
 	.set_sysclk	= rk817_set_dai_sysclk,