This is a note to let you know that I've just added the patch titled
ALSA: usx2y: Fix unlocked snd_pcm_stop() call
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-usx2y-fix-unlocked-snd_pcm_stop-call.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e93a7f00a3db345c0e2c5ab1570b4d6fec77173b Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@xxxxxxx>
Date: Thu, 11 Jul 2013 17:58:47 +0200
Subject: ALSA: usx2y: Fix unlocked snd_pcm_stop() call
From: Takashi Iwai <tiwai@xxxxxxx>
commit 5be1efb4c2ed79c3d7c0cbcbecae768377666e84 upstream.
snd_pcm_stop() must be called in the PCM substream lock context.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Weng Meiling <wengmeiling.weng@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/usb/usx2y/usbusx2yaudio.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -273,7 +273,11 @@ static void usX2Y_clients_stop(struct us
struct snd_usX2Y_substream *subs = usX2Y->subs[s];
if (subs) {
if (atomic_read(&subs->state) >= state_PRERUNNING) {
+ unsigned long flags;
+
+ snd_pcm_stream_lock_irqsave(subs->pcm_substream, flags);
snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(subs->pcm_substream, flags);
}
for (u = 0; u < NRURBS; u++) {
struct urb *urb = subs->urb[u];
Patches currently in stable-queue which might be from tiwai@xxxxxxx are
queue-3.4/asoc-sta32x-fix-wrong-enum-for-limiter2-release-rate.patch
queue-3.4/saa7134-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/asoc-wm8770-fix-wrong-number-of-enum-items.patch
queue-3.4/alsa-usb-audio-work-around-kef-x300a-firmware-bug.patch
queue-3.4/alsa-usx2y-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/staging-line6-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/asoc-s6000-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/alsa-atiixp-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/alsa-6fire-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/alsa-pxa2xx-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/alsa-ua101-fix-unlocked-snd_pcm_stop-call.patch
queue-3.4/asoc-sta32x-fix-array-access-overflow.patch
queue-3.4/alsa-asihpi-fix-unlocked-snd_pcm_stop-call.patch
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