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-rw-r--r--qom/object.c28
-rw-r--r--qom/qom-hmp-cmds.c4
2 files changed, 28 insertions, 4 deletions
diff --git a/qom/object.c b/qom/object.c
index d51b57fba1..0d971ca897 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -414,10 +414,29 @@ void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp
  * Global property defaults
  * Slot 0: accelerator's global property defaults
  * Slot 1: machine's global property defaults
+ * Slot 2: global properties from legacy command line option
  * Each is a GPtrArray of of GlobalProperty.
  * Applied in order, later entries override earlier ones.
  */
-static GPtrArray *object_compat_props[2];
+static GPtrArray *object_compat_props[3];
+
+/*
+ * Retrieve @GPtrArray for global property defined with options
+ * other than "-global".  These are generally used for syntactic
+ * sugar and legacy command line options.
+ */
+void object_register_sugar_prop(const char *driver, const char *prop, const char *value)
+{
+    GlobalProperty *g;
+    if (!object_compat_props[2]) {
+        object_compat_props[2] = g_ptr_array_new();
+    }
+    g = g_new0(GlobalProperty, 1);
+    g->driver = g_strdup(driver);
+    g->property = g_strdup(prop);
+    g->value = g_strdup(value);
+    g_ptr_array_add(object_compat_props[2], g);
+}
 
 /*
  * Set machine's global property defaults to @compat_props.
@@ -445,7 +464,7 @@ void object_apply_compat_props(Object *obj)
 
     for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) {
         object_apply_global_props(obj, object_compat_props[i],
-                                  &error_abort);
+                                  i == 2 ? &error_fatal : &error_abort);
     }
 }
 
@@ -639,6 +658,11 @@ static Object *object_new_with_type(Type type)
     return obj;
 }
 
+Object *object_new_with_class(ObjectClass *klass)
+{
+    return object_new_with_type(klass->type);
+}
+
 Object *object_new(const char *typename)
 {
     TypeImpl *ti = type_get_by_name(typename);
diff --git a/qom/qom-hmp-cmds.c b/qom/qom-hmp-cmds.c
index a268e01eb4..cd08233a4c 100644
--- a/qom/qom-hmp-cmds.c
+++ b/qom/qom-hmp-cmds.c
@@ -37,7 +37,7 @@ void hmp_qom_list(Monitor *mon, const QDict *qdict)
         }
         qapi_free_ObjectPropertyInfoList(start);
     }
-    hmp_handle_error(mon, &err);
+    hmp_handle_error(mon, err);
 }
 
 void hmp_qom_set(Monitor *mon, const QDict *qdict)
@@ -59,7 +59,7 @@ void hmp_qom_set(Monitor *mon, const QDict *qdict)
         }
         object_property_parse(obj, value, property, &err);
     }
-    hmp_handle_error(mon, &err);
+    hmp_handle_error(mon, err);
 }
 
 typedef struct QOMCompositionState {