[Intel-gfx] [PATCH 1/3] drm: Don't create properties without names

[Ville Syrjälä]

On Tue, Mar 06, 2018 at 01:35:11PM +0000, Emil Velikov wrote:
> Hi Ville,
> 
> On 2 March 2018 at 13:25, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >
> > Creating a property that doesn't have a name makes no sense to me. Don't
> > allow it.
> >
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > ---
> >  drivers/gpu/drm/drm_property.c | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c
> > index bae50e6b819d..fe8627fb7ae6 100644
> > --- a/drivers/gpu/drm/drm_property.c
> > +++ b/drivers/gpu/drm/drm_property.c
> > @@ -99,10 +99,8 @@ struct drm_property *drm_property_create(struct drm_device *dev, int flags,
> >         property->num_values = num_values;
> >         INIT_LIST_HEAD(&property->enum_list);
> >
> > -       if (name) {
> > -               strncpy(property->name, name, DRM_PROP_NAME_LEN);
> > -               property->name[DRM_PROP_NAME_LEN-1] = '\0';
> > -       }
> > +       strncpy(property->name, name, DRM_PROP_NAME_LEN);
> > +       property->name[DRM_PROP_NAME_LEN-1] = '\0';
> >
> Shouldn't one also a) error (WARN + return NULL) out when name is NULL
> and b) update the documentation?

The developer gets the oops. No point in further handholding IMO.

Didn't look at the docs us usual. Are they saying NULL is OK?

-- 
Ville Syrjälä
Intel OTC