linux-kernel - [PATCH -next] ASoC: rt1019: constify static struct snd_soc_dai

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Message-ID: <20210408062701.803865-1-yebin10@huawei.com>
Date:   Thu, 8 Apr 2021 14:27:01 +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: rt1019: 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/rt1019.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/rt1019.c b/sound/soc/codecs/rt1019.c
index 5138f028d9f2..f64bb7302720 100644
--- a/sound/soc/codecs/rt1019.c
+++ b/sound/soc/codecs/rt1019.c
@@ -823,7 +823,7 @@ static int rt1019_probe(struct snd_soc_component *component)
 #define RT1019_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 rt1019_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt1019_aif_dai_ops = {
 	.hw_params = rt1019_hw_params,
 	.set_fmt = rt1019_set_dai_fmt,
 	.set_sysclk = rt1019_set_dai_sysclk,