From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20130911042853.660370370@goodmis.org> Date: Wed, 11 Sep 2013 00:27:16 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Takashi Iwai Subject: [009/251] ALSA: asihpi: Fix unlocked snd_pcm_stop() call References: <20130911042707.738353451@goodmis.org> Content-Disposition: inline; filename=0009-ALSA-asihpi-Fix-unlocked-snd_pcm_stop-call.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6.11.9-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Iwai [ Upstream commit 60478295d6876619f8f47f6d1a5c25eaade69ee3 ] snd_pcm_stop() must be called in the PCM substream lock context. Cc: Signed-off-by: Takashi Iwai Signed-off-by: Steven Rostedt --- sound/pci/asihpi/asihpi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/pci/asihpi/asihpi.c b/sound/pci/asihpi/asihpi.c index e8de831..05093bd 100644 --- a/sound/pci/asihpi/asihpi.c +++ b/sound/pci/asihpi/asihpi.c @@ -769,7 +769,10 @@ static void snd_card_asihpi_timer_function(unsigned long data) s->number); ds->drained_count++; if (ds->drained_count > 20) { + unsigned long flags; + snd_pcm_stream_lock_irqsave(s, flags); snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock_irqrestore(s, flags); continue; } } else { -- 1.7.10.4