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Commit 8699a0b6 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarSimon Kirby <sim@hostway.ca>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 147fcf1c

sound/core/pcm_native.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -1992,6 +1992,8 @@ void snd_pcm_release_substream(struct snd_pcm_substream *substream) 
		substream->ops->close(substream);

		substream->ops->close(substream);

		substream->hw_opened = 0;

		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) {

	if (substream->pcm_release) {

		substream->pcm_release(substream);

		substream->pcm_release(substream);

		substream->pcm_release = NULL;

		substream->pcm_release = NULL;