On Tue, Aug 04, 2020 at 06:35:20AM +0000, Oleksandr Andrushchenko wrote:
>
> On 8/4/20 9:12 AM, Jürgen Groß wrote:
> > On 31.07.20 14:51, Oleksandr Andrushchenko wrote:
> >> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
> >>
> >> The patch c575b7eeb89f: "drm/xen-front: Add support for Xen PV
> >> display frontend" from Apr 3, 2018, leads to the following static
> >> checker warning:
> >>
> >> drivers/gpu/drm/xen/xen_drm_front_gem.c:140 xen_drm_front_gem_create()
> >> warn: passing zero to 'ERR_CAST'
> >>
> >> drivers/gpu/drm/xen/xen_drm_front_gem.c
> >> 133 struct drm_gem_object *xen_drm_front_gem_create(struct drm_device *dev,
> >> 134 size_t size)
> >> 135 {
> >> 136 struct xen_gem_object *xen_obj;
> >> 137
> >> 138 xen_obj = gem_create(dev, size);
> >> 139 if (IS_ERR_OR_NULL(xen_obj))
> >> 140 return ERR_CAST(xen_obj);
> >>
> >> Fix this and the rest of misused places with IS_ERR_OR_NULL in the
> >> driver.
> >>
> >> Fixes: c575b7eeb89f: "drm/xen-front: Add support for Xen PV display frontend"
> >
> > Again forgot to Cc stable?
>
> I was just not sure if these minor fixes need to go the stable, but I will add
Correct. It's still a bug because it's setting the error code
incorrectly on the impossible path. But fortunately impossible things
don't affect runtime.
regards,
dan carpenter
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