qdev: Provide qdev_get_bus_hotplug_handler()

[qemu.git] / qom / object.c

diff --git a/qom/object.c b/qom/object.c
index aa6f3a2a710da944e9df56317947779bcf043319..05a85670418bee9371270ccac7be32b6a594c71c 100644 (file)
--- a/qom/object.c
+++ b/qom/object.c
@@ -372,7 +372,6 @@ static void object_post_init_with_type(Object *obj, TypeImpl *ti)
 
 void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp)
 {
-    Error *err = NULL;
     int i;
 
     if (!props) {
@@ -381,10 +380,14 @@ void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp
 
     for (i = 0; i < props->len; i++) {
         GlobalProperty *p = g_ptr_array_index(props, i);
+        Error *err = NULL;
 
         if (object_dynamic_cast(obj, p->driver) == NULL) {
             continue;
         }
+        if (p->optional && !object_property_find(obj, p->property, NULL)) {
+            continue;
+        }
         p->used = true;
         object_property_parse(obj, p->value, p->property, &err);
         if (err != NULL) {
@@ -643,16 +646,20 @@ Object *object_new_with_propv(const char *typename,
         goto error;
     }
 
-    object_property_add_child(parent, id, obj, &local_err);
-    if (local_err) {
-        goto error;
+    if (id != NULL) {
+        object_property_add_child(parent, id, obj, &local_err);
+        if (local_err) {
+            goto error;
+        }
     }
 
     uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE);
     if (uc) {
         user_creatable_complete(uc, &local_err);
         if (local_err) {
-            object_unparent(obj);
+            if (id != NULL) {
+                object_unparent(obj);
+            }
             goto error;
         }
     }