On Wed, Jun 02, 2021 at 11:36:43AM +0000, Wei Yongjun wrote:
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@huawei.com Signed-off-by: Wei Yongjun weiyongjun1@huawei.com
Tested-by: Chris Morgan macromorgan@hotmail.com
Works for me when I apply it to my tree. Tested audio playback and recording still work and no warnings are introduced.
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,