drm: WARN when trying add enum values to non-enum/bitmask properties
Trying to add enum values to non-enum/bitmask properties is a
programmer mistake. WARN to make sure the developers notice
their mistake.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180306164849.2862-2-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c
index d77b0c4..e676b1e 100644
--- a/drivers/gpu/drm/drm_property.c
+++ b/drivers/gpu/drm/drm_property.c
@@ -378,8 +378,8 @@ int drm_property_add_enum(struct drm_property *property, int index,
if (WARN_ON(strlen(name) >= DRM_PROP_NAME_LEN))
return -EINVAL;
- if (!(drm_property_type_is(property, DRM_MODE_PROP_ENUM) ||
- drm_property_type_is(property, DRM_MODE_PROP_BITMASK)))
+ if (WARN_ON(!drm_property_type_is(property, DRM_MODE_PROP_ENUM) &&
+ !drm_property_type_is(property, DRM_MODE_PROP_BITMASK)))
return -EINVAL;
/*