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| author | Takashi Iwai <tiwai@suse.de> | 2010-09-16 22:52:32 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-09-16 23:04:38 +0200 |
| commit | 8699a0b657b43fa6401537dfe345bee7aa8115ec (patch) | |
| tree | 109968539c7622c5ebda6dcac7bb4df3a8b6350d /sound | |
| parent | 147fcf1c211f1a87bf4d0711b7e9637f3d6ce080 (diff) | |
| download | lwn-8699a0b657b43fa6401537dfe345bee7aa8115ec.tar.gz lwn-8699a0b657b43fa6401537dfe345bee7aa8115ec.zip | |
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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_native.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 134fc6c2e08d..d4eb2ef80784 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -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; |