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@iscas.ac.cn>
---
 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

On Wed, 16 Nov 2022 11:07:50 +0800, Jiasheng Jiang wrote:
> As the mtk_btcvsd_snd_write and mtk_btcvsd_snd_read may return error,
> it should be better to catch the exception.
> 
> 

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: mediatek: mtk-btcvsd: Add checks for write and read of mtk_btcvsd_snd
      commit: d067b3378a78c9c3048ac535e31c171b6f5b5846

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

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Thanks,
Mark