From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Fri, 2 Mar 2018 15:25:42 +0200
Subject: drm: Don't create properties without names
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Git-commit: 8e5e83ad8250043c8d5cc8f2bf672e64c43f948a
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180302132544.12491-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/drm_property.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/drm_property.c
+++ b/drivers/gpu/drm/drm_property.c
@@ -99,10 +99,8 @@ struct drm_property *drm_property_create
 	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';
 
 	list_add_tail(&property->head, &dev->mode_config.property_list);