[PATCH] ASoC: mediatek: mtk-btcvsd: Add checks for write and read of mtk_btcvsd_snd

From: Jiasheng Jiang
Date: Tue Nov 15 2022 - 22:08:14 EST


As the mtk_btcvsd_snd_write and mtk_btcvsd_snd_read may return error,
it should be better to catch the exception.

Fixes: 4bd8597dc36c ("ASoC: mediatek: add btcvsd driver")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
---
sound/soc/mediatek/common/mtk-btcvsd.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/soc/mediatek/common/mtk-btcvsd.c b/sound/soc/mediatek/common/mtk-btcvsd.c
index d884bb7c0fc7..1c28b41e4311 100644
--- a/sound/soc/mediatek/common/mtk-btcvsd.c
+++ b/sound/soc/mediatek/common/mtk-btcvsd.c
@@ -1038,11 +1038,9 @@ static int mtk_pcm_btcvsd_copy(struct snd_soc_component *component,
struct mtk_btcvsd_snd *bt = snd_soc_component_get_drvdata(component);

if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- mtk_btcvsd_snd_write(bt, buf, count);
+ return mtk_btcvsd_snd_write(bt, buf, count);
else
- mtk_btcvsd_snd_read(bt, buf, count);
-
- return 0;
+ return mtk_btcvsd_snd_read(bt, buf, count);
}

/* kcontrol */
--
2.25.1