ALSA: fireworks: change the range of critical section for stream data in PCM.hw_free callback
The operation of duplex streams should be in critical section. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>alistair/sunxi64-5.4-dsi
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d173265ae3
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c6b84ffbd5
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@ -247,14 +247,15 @@ static int pcm_hw_free(struct snd_pcm_substream *substream)
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{
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{
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struct snd_efw *efw = substream->private_data;
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struct snd_efw *efw = substream->private_data;
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if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
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mutex_lock(&efw->mutex);
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mutex_lock(&efw->mutex);
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if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
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--efw->substreams_counter;
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--efw->substreams_counter;
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mutex_unlock(&efw->mutex);
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}
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snd_efw_stream_stop_duplex(efw);
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snd_efw_stream_stop_duplex(efw);
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mutex_unlock(&efw->mutex);
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return snd_pcm_lib_free_vmalloc_buffer(substream);
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return snd_pcm_lib_free_vmalloc_buffer(substream);
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}
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}
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