[PATCH 5.13 24/35] ASoC: ti: j721e-evm: Fix unbalanced domain activity tracking during startup

Greg Kroah-Hartman
2021-08-06T08:24:24Z

From: Peter Ujfalusi <peter.ujfalusi@gmail.com>

[ Upstream commit 78d2a05ef22e7b5863b01e073dd6a06b3979bb00 ]

In case of an error within j721e_audio_startup() the domain->active must
be decremented to avoid unbalanced counter.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20210717122820.1467-2-peter.ujfalusi@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/ti/j721e-evm.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/sound/soc/ti/j721e-evm.c b/sound/soc/ti/j721e-evm.c
index a7c0484d44ec..017c4ad11ca6 100644
--- a/sound/soc/ti/j721e-evm.c
+++ b/sound/soc/ti/j721e-evm.c
@@ -278,23 +278,29 @@ static int j721e_audio_startup(struct snd_pcm_substream *substream)
j721e_rule_rate, &priv->rate_range,
SNDRV_PCM_HW_PARAM_RATE, -1);

- mutex_unlock(&priv->mutex);

if (ret)
- return ret;
+ goto out;

/* Reset TDM slots to 32 */
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 32);
if (ret && ret != -ENOTSUPP)
- return ret;
+ goto out;

for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2, 32);
if (ret && ret != -ENOTSUPP)
- return ret;
+ goto out;
}

- return 0;
+ if (ret == -ENOTSUPP)
+ ret = 0;
+out:
+ if (ret)
+ domain->active--;
+ mutex_unlock(&priv->mutex);
+
+ return ret;
}

static int j721e_audio_hw_params(struct snd_pcm_substream *substream,
--
2.30.2