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authorCezary Rojewski2022-11-16 12:55:49 +0100
committerGreg Kroah-Hartman2022-12-31 13:32:14 +0100
commitbfa34e24ced68067af77acd5c3b91cd6c1d0c3c4 (patch)
tree13ad7634c2b974851a4b21f69c66504c8a6eb616 /sound
parent51618c1d77af4c4e1dd326ec384a82fd7279b561 (diff)
ASoC: Intel: avs: Lock substream before snd_pcm_stop()
[ Upstream commit c30c8f9d51ec24b36e2c65a6307a5c8cbc5a0ebc ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/intel/avs/ipc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/ipc.c b/sound/soc/intel/avs/ipc.c
index 77da206f7dbb..306f0dc4eaf5 100644
--- a/sound/soc/intel/avs/ipc.c
+++ b/sound/soc/intel/avs/ipc.c
@@ -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);
}
}
}