qdev: Make qdev_class_add_property() more flexible

Support Property.set_default and PropertyInfo.description even if
PropertyInfo.create is set.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201211220529.2290218-26-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 3bb05e7d0d7414d0cd17a4510778727012534d9c..2946cdf56d0747f2b02f044fa17d57e67f088389 100644 (file)
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -863,24 +863,22 @@ static void qdev_class_add_property(DeviceClass *klass, const char *name,
                                     Property *prop)
 {
     ObjectClass *oc = OBJECT_CLASS(klass);
+    ObjectProperty *op;
 
     if (prop->info->create) {
-        prop->info->create(oc, name, prop);
+        op = prop->info->create(oc, name, prop);
     } else {
-        ObjectProperty *op;
-
         op = object_class_property_add(oc,
                                        name, prop->info->name,
                                        field_prop_getter(prop->info),
                                        field_prop_setter(prop->info),
                                        prop->info->release,
                                        prop);
-        if (prop->set_default) {
-            prop->info->set_default_value(op, prop);
-        }
     }
-    object_class_property_set_description(oc, name,
-                                          prop->info->description);
+    if (prop->set_default) {
+        prop->info->set_default_value(op, prop);
+    }
+    object_class_property_set_description(oc, name, prop->info->description);
 }
 
 /**