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Date: Tue, 30 Jul 2013 10:30:51 +0100 From: Luis Henriques <luis.henriques@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Takashi Iwai <tiwai@...e.de>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 032/106] [media] saa7134: Fix unlocked snd_pcm_stop() call 3.5.7.18 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Iwai <tiwai@...e.de> commit e6355ad7b1c6f70e2f48ae159f5658b441ccff95 upstream. snd_pcm_stop() must be called in the PCM substream lock context. Signed-off-by: Takashi Iwai <tiwai@...e.de> [ luis: backported to 3.5: - drivers/media/pci/saa7134/saa7134-alsa.c -> drivers/media/video/saa7134/saa7134-alsa.c ] Signed-off-by: Luis Henriques <luis.henriques@...onical.com> --- drivers/media/video/saa7134/saa7134-alsa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index 10460fd..dbcdfbf 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -172,7 +172,9 @@ static void saa7134_irq_alsa_done(struct saa7134_dev *dev, dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count, dev->dmasound.bufsize, dev->dmasound.blocks); spin_unlock(&dev->slock); + snd_pcm_stream_lock(dev->dmasound.substream); snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock(dev->dmasound.substream); return; } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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