| Message ID | 1374780538-18517-1-git-send-email-kamal@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index b376532..0ce90337 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -273,7 +273,11 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y) 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];
This is a note to let you know that I have just added a patch titled ALSA: usx2y: 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 ------ From 0f4a2369a151c2c3a8423eb5bd6b05a7b3e40916 Mon Sep 17 00:00:00 2001 From: Takashi Iwai <tiwai@suse.de> Date: Thu, 11 Jul 2013 17:58:47 +0200 Subject: ALSA: usx2y: Fix unlocked snd_pcm_stop() call commit 5be1efb4c2ed79c3d7c0cbcbecae768377666e84 upstream. snd_pcm_stop() must be called in the PCM substream lock context. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- sound/usb/usx2y/usbusx2yaudio.c | 4 ++++ 1 file changed, 4 insertions(+) -- 1.8.1.2