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[3.8.y.z,extended,stable] Patch "ASoC: s6000: Fix unlocked snd_pcm_stop() call" has been added to staging queue

Message ID 1374780539-18635-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa July 25, 2013, 7:28 p.m. UTC
This is a note to let you know that I have just added a patch titled

    ASoC: s6000: Fix unlocked snd_pcm_stop() call

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.6.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 5dafe64f3cbf86a7b5b4a09ca625a18e9061b8b7 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 11 Jul 2013 18:00:25 +0200
Subject: ASoC: s6000: Fix unlocked snd_pcm_stop() call

commit 61be2b9a18ec70f3cbe3deef7a5f77869c71b5ae upstream.

snd_pcm_stop() must be called in the PCM substream lock context.

Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 sound/soc/s6000/s6000-pcm.c | 2 ++
 1 file changed, 2 insertions(+)

--
1.8.1.2
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Patch

diff --git a/sound/soc/s6000/s6000-pcm.c b/sound/soc/s6000/s6000-pcm.c
index 1358c7d..d0740a7 100644
--- a/sound/soc/s6000/s6000-pcm.c
+++ b/sound/soc/s6000/s6000-pcm.c
@@ -128,7 +128,9 @@  static irqreturn_t s6000_pcm_irq(int irq, void *data)
 		    substream->runtime &&
 		    snd_pcm_running(substream)) {
 			dev_dbg(pcm->dev, "xrun\n");
+			snd_pcm_stream_lock(substream);
 			snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+			snd_pcm_stream_unlock(substream);
 			ret = IRQ_HANDLED;
 		}