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ASoC: Intel: avs: Lock substream before snd_pcm_stop()

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snd_pcm_stop() shall be called with stream lock held to prevent any
races between nonatomic streaming operations.

Fixes: 2f1f570cd730 ("ASoC: Intel: avs: Coredump and recovery flow")
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20221116115550.1100398-2-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cezary Rojewski 2022-11-16 12:55:49 +01:00 committed by Mark Brown
parent bce3e9f0f6
commit c30c8f9d51
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1 changed files with 3 additions and 0 deletions
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sound/soc/intel/avs/ipc.c
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@ -123,7 +123,10 @@ static void avs_dsp_recovery(struct avs_dev *adev)
if (!substream || !substream->runtime)
continue;
/* No need for _irq() as we are in nonatomic context. */
snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
snd_pcm_stream_unlock(substream);
}
}
}