[alsa-devel] [PATCH 0/10] snd_pcm_stop() lock fixes

[Takashi Iwai]

At Mon, 15 Jul 2013 15:12:07 +0200,
Jaroslav Kysela wrote:
> 
> Date 15.7.2013 15:06, Takashi Iwai wrote:
> > Hi,
> > 
> > while reviewing another patch series, I stumbled on the snd_pcm_lock()
> > call in an unlocked context.  Then I started looking through the whole
> > tree, and found a bunch of drivers doing it wrong, too.  So here is a
> > patch series to fix them.
> > 
> >  [PATCH 01/10] ALSA: asihpi: Fix unlocked snd_pcm_stop() call
> >  [PATCH 02/10] ALSA: atiixp: Fix unlocked snd_pcm_stop() call
> >  [PATCH 03/10] ALSA: 6fire: Fix unlocked snd_pcm_stop() call
> >  [PATCH 04/10] ALSA: ua101: Fix unlocked snd_pcm_stop() call
> >  [PATCH 05/10] ALSA: usx2y: Fix unlocked snd_pcm_stop() call
> >  [PATCH 06/10] ALSA: pxa2xx: Fix unlocked snd_pcm_stop() call
> >  [PATCH 07/10] ASoC: atmel: Fix unlocked snd_pcm_stop() call
> >  [PATCH 08/10] ASoC: s6000: Fix unlocked snd_pcm_stop() call
> >  [PATCH 09/10] [media] saa7134: Fix unlocked snd_pcm_stop() call
> >  [PATCH 10/10] staging: line6: Fix unlocked snd_pcm_stop() call
> 
> Probably, it may be better to introduce 'snd_pcm_stop_dolock()' helper
> (inline?) in include/sound/pcm.h .

Yes, it'll be the next step.  These patches are done in open-coded way
so that they can be applied easily to each stable kernel.


thanks,

Takashi