Re: [Xen-devel] [PATCH v2] drm: Replace NULL with error value in drm_prime_pages_to_sg

[Oleksandr Andrushchenko <andr2000@xxxxxxxxx>]

On 06/18/2018 03:32 PM, Oleksandr Andrushchenko wrote:
> On 06/18/2018 03:29 PM, Dan Carpenter wrote:
> > On Mon, Jun 18, 2018 at 09:07:09AM +0300, Oleksandr Andrushchenko wrote:
> > > drivers/gpu/drm/drm_gem_cma_helper.c    | 2 +-
> > >   drivers/gpu/drm/xen/xen_drm_front_gem.c | 2 +-
> > >   2 files changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c 
> > > b/drivers/gpu/drm/drm_gem_cma_helper.c
> > > index 80a5115c3846..ce868ce288fb 100644
> > > --- a/drivers/gpu/drm/drm_gem_cma_helper.c
> > > +++ b/drivers/gpu/drm/drm_gem_cma_helper.c
> > > @@ -436,7 +436,7 @@ struct sg_table 
> > > *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj)
> > >         sgt = kzalloc(sizeof(*sgt), GFP_KERNEL);
> > >       if (!sgt)
> > > -        return NULL;
> > > +        return ERR_PTR(-ENOMEM);
> > >         ret = dma_get_sgtable(obj->dev->dev, sgt, cma_obj->vaddr,
> > >                     cma_obj->paddr, obj->size);
> > If dma_get_sgtable() fails then we return NULL.
> >
> > Fix that and it should be good.
> You mean I can put your r-b with that fixed?
ping
> > regards,
> > dan carpenter

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