linux-kernel - [PATCH -next] ASoC: rt715-sdca: Constify static struct snd_soc_dai

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Message-ID: <20210408062654.803538-1-yebin10@huawei.com>
Date:   Thu, 8 Apr 2021 14:26:54 +0800
From:   Ye Bin <yebin10@...wei.com>
To:     <yebin10@...wei.com>, Oder Chiou <oder_chiou@...ltek.com>,
        Liam Girdwood <lgirdwood@...il.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>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] ASoC: rt715-sdca: 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/rt715-sdca.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c
index 20528afbdc57..7db76c19e048 100644
--- a/sound/soc/codecs/rt715-sdca.c
+++ b/sound/soc/codecs/rt715-sdca.c
@@ -935,7 +935,7 @@ static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt715_sdca_ops = {
+static const struct snd_soc_dai_ops rt715_sdca_ops = {
 	.hw_params	= rt715_sdca_pcm_hw_params,
 	.hw_free	= rt715_sdca_pcm_hw_free,
 	.set_sdw_stream	= rt715_sdca_set_sdw_stream,