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

[Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>]

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?
> regards,
> dan carpenter

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