From: Peter Ujfalusi peter.ujfalusi@gmail.com
stable inclusion from stable-5.10.57 commit a00bcc5298beeceae18b0a84d267c72354c19fb5 bugzilla: 176179 https://gitee.com/openeuler/kernel/issues/I4DZ64
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ 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 Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- 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,