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ASoC: amd: acp: Fix possible deadlock

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On error path, function acp_i2s_set_tdm_slot returns without releasing
the lock and this could result in potential deadlocks in the future.

Error reported by sparse:
sound/soc/amd/acp/acp-i2s.c:95:12: error: context imbalance in
'acp_i2s_set_tdm_slot' - different lock contexts for basic block

Fixes: cd60dec899 ("ASoC: amd: acp: Refactor TDM slots selction based on acp revision id")
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250127083422.20406-1-daniel.baluta@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Daniel Baluta
2025-01-27 10:34:22 +02:00
committed by Mark Brown
parent eb5c79828c
commit 3ff53862c3
1 changed files with 1 additions and 0 deletions
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1
sound/soc/amd/acp/acp-i2s.c
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@@ -181,6 +181,7 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
break;
default:
dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev);
spin_unlock_irq(&adata->acp_lock);
return -EINVAL;
}
}