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Message-Id: <20130723220423.816958744@linuxfoundation.org>
Date: Tue, 23 Jul 2013 15:25:58 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Mark Brown <broonie@...aro.org>,
Takashi Iwai <tiwai@...e.de>
Subject: [ 047/103] ASoC: atmel: Fix unlocked snd_pcm_stop() call
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Takashi Iwai <tiwai@...e.de>
commit 571185717f8d7f2a088a7ac38d94a9ad5fd9da5c upstream.
snd_pcm_stop() must be called in the PCM substream lock context.
Acked-by: Mark Brown <broonie@...aro.org>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
sound/soc/atmel/atmel-pcm-dma.c | 2 ++
1 file changed, 2 insertions(+)
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -81,7 +81,9 @@ static void atmel_pcm_dma_irq(u32 ssc_sr
/* stop RX and capture: will be enabled again at restart */
ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_disable);
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
/* now drain RHR and read status to remove xrun condition */
ssc_readx(prtd->ssc->regs, SSC_RHR);
--
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