Commit 2672977d authored Nov 16, 2022 by Jiasheng Jiang Committed by Greg Kroah-Hartman Jan 18, 2023

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



[ 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: 4bd8597d ("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>

parent d63e9eca

sound/soc/mediatek/common/mtk-btcvsd.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -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);

		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);
		}

		static struct snd_pcm_ops mtk_btcvsd_ops = {