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ALSA: pcm - Fix unbalanced pm_qos_request 

The pm_qos_request isn't freed properly when OSS PCM emulation is used
because it skips snd_pcm_hw_free() call but directly releases the
stream.  This resulted in Oops later.

Tested-by: Simon Kirby <sim@hostway.ca>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
hifive-unleashed-5.1
Takashi Iwai 2010-09-16 22:52:32 +02:00
parent 147fcf1c21
commit 8699a0b657
1 changed files with 2 additions and 0 deletions
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2
sound/core/pcm_native.c
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@ -1992,6 +1992,8 @@ void snd_pcm_release_substream(struct snd_pcm_substream *substream)
substream->ops->close(substream);
substream->hw_opened = 0;
}
if (pm_qos_request_active(&substream->latency_pm_qos_req))
pm_qos_remove_request(&substream->latency_pm_qos_req);
if (substream->pcm_release) {
substream->pcm_release(substream);
substream->pcm_release = NULL;