[Spice-devel] [drm/qxl 4/6] qxl: Call qxl_gem_{init,fini}

[Christophe Fergeau]

On Mon, Oct 31, 2016 at 07:42:35AM -0400, Frediano Ziglio wrote:
> > 
> > qdev->gem.objects was initialized directly in qxl_device_init() rather
> > than going through qxl_gem_init(), and qxl_gem_fini() was never called.
> > 
> 
> Considering "qxl_gem_fini() was never called" did we have a leak?

Maybe, as this forces the freeing of some pending bo's if they are still in
use. This would only happen when unloading/reloading the module
repeatedly, which I don't expect to happen on production systems.

> 
> > Signed-off-by: Christophe Fergeau <cfergeau at redhat.com>
> > ---
> >  drivers/gpu/drm/qxl/qxl_kms.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
> > index e642242..af685f1 100644
> > --- a/drivers/gpu/drm/qxl/qxl_kms.c
> > +++ b/drivers/gpu/drm/qxl/qxl_kms.c
> > @@ -131,7 +131,7 @@ static int qxl_device_init(struct qxl_device *qdev,
> >  	mutex_init(&qdev->update_area_mutex);
> >  	mutex_init(&qdev->release_mutex);
> >  	mutex_init(&qdev->surf_evict_mutex);
> > -	INIT_LIST_HEAD(&qdev->gem.objects);
> > +	qxl_gem_init(qdev);
> >  
> 
> Here qxl_gem_init returns a value that is always ignored, perhaps
> would be better to return void from qxl_gem_init if it cannot
> fails.

Good suggestion, I'll add that to a separate patch.

Christophe
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