Oops with "ALSA: jack: implement software jack injection via debugfs"

[Takashi Iwai]

On Tue, 02 Feb 2021 23:47:33 +0100,
Chris Wilson wrote:
> 
> Quoting Takashi Iwai (2021-02-02 16:48:35)
> > On Tue, 02 Feb 2021 17:30:36 +0100,
> > Chris Wilson wrote:
> > > 
> > > commit 2d670ea2bd53 ("ALSA: jack: implement software jack injection via
> > > debugfs") is causing issues for our CI as we see a use-after-free on
> > > module unload (on all machines):
> > > 
> > > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9715/fi-skl-6700k2/pstore0-1612277467_Oops_1.txt
> > 
> > Could you try the patch below?  The unload test was completely
> > forgotten.
> 
> This took longer than it deserved,
> https://patchwork.freedesktop.org/series/86597/
> 
> The oops is fixed.
> 
> Tested-by: Chris Wilson <chris at chris-wilson.co.uk>

Thanks!  I'm going to queue the fix before reaching to linux-next.


Takashi