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

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[ 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: 4bd8597dc3 ("ASoC: mediatek: add btcvsd driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20221116030750.40500-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2022-11-16 11:07:50 +08:00 committed by Greg Kroah-Hartman
parent d63e9eca94
commit 2672977dc0
1 changed files with 2 additions and 4 deletions
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6
sound/soc/mediatek/common/mtk-btcvsd.c
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@ -1054,11 +1054,9 @@ static int mtk_pcm_btcvsd_copy(struct snd_pcm_substream *substream,
struct mtk_btcvsd_snd *bt = snd_soc_component_get_drvdata(component); struct mtk_btcvsd_snd *bt = snd_soc_component_get_drvdata(component);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
mtk_btcvsd_snd_write(bt, buf, count); return mtk_btcvsd_snd_write(bt, buf, count);
else else
mtk_btcvsd_snd_read(bt, buf, count); return mtk_btcvsd_snd_read(bt, buf, count);
return 0;
} }
static struct snd_pcm_ops mtk_btcvsd_ops = { static struct snd_pcm_ops mtk_btcvsd_ops = {