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authorTakashi Iwai <tiwai@suse.de>2013-07-11 17:56:56 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-25 14:07:25 -0700
commit8268d1c754169393118ae847cf6741d777e976a4 (patch)
treef69b5ab302cd0537a3cc6ad798aec8e76a9170f4
parent2306396c952129dcf127d47c0383ae28c7288ed0 (diff)
ALSA: atiixp: Fix unlocked snd_pcm_stop() call
commit cc7282b8d5abbd48c81d1465925d464d9e3eaa8f upstream. snd_pcm_stop() must be called in the PCM substream lock context. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--sound/pci/atiixp.c2
-rw-r--r--sound/pci/atiixp_modem.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index 6e78c6789858..819430ac6b3b 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -689,7 +689,9 @@ static void snd_atiixp_xrun_dma(struct atiixp *chip, struct atiixp_dma *dma)
if (! dma->substream || ! dma->running)
return;
snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type);
+ snd_pcm_stream_lock(dma->substream);
snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(dma->substream);
}
/*
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index d0bec7ba3b0d..57f41820263f 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -638,7 +638,9 @@ static void snd_atiixp_xrun_dma(struct atiixp_modem *chip,
if (! dma->substream || ! dma->running)
return;
snd_printdd("atiixp-modem: XRUN detected (DMA %d)\n", dma->ops->type);
+ snd_pcm_stream_lock(dma->substream);
snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(dma->substream);
}
/*