[PATCH 5.15 243/731] ASoC: mediatek: mtk-btcvsd: Add checks for write and read of mtk_btcvsd_snd

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From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>

[ Upstream commit d067b3378a78c9c3048ac535e31c171b6f5b5846 ]

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>
Link: https://lore.kernel.org/r/20221116030750.40500-1-jiasheng@xxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 */
-- 
2.35.1






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