I'm going to convert device realization to qdev_realize() with the
help of Coccinelle.  Convert bus realization to qbus_realize() first,
to get it out of Coccinelle's way.  Readability improves.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 hw/core/qdev.c | 10 +++-------
 hw/pci/pci.c   |  2 +-
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 82deeb7841..0f4adac865 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -1028,9 +1028,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
         resettable_state_clear(&dev->reset);
 
         QLIST_FOREACH(bus, &dev->child_bus, sibling) {
-            object_property_set_bool(OBJECT(bus), true, "realized",
-                                         &local_err);
-            if (local_err != NULL) {
+            if (!qbus_realize(bus, errp)) {
                 goto child_realize_fail;
             }
         }
@@ -1055,8 +1053,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
 
     } else if (!value && dev->realized) {
         QLIST_FOREACH(bus, &dev->child_bus, sibling) {
-            object_property_set_bool(OBJECT(bus), false, "realized",
-                                     &error_abort);
+            qbus_unrealize(bus);
         }
         if (qdev_get_vmsd(dev)) {
             vmstate_unregister(VMSTATE_IF(dev), qdev_get_vmsd(dev), dev);
@@ -1074,8 +1071,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
 
 child_realize_fail:
     QLIST_FOREACH(bus, &dev->child_bus, sibling) {
-        object_property_set_bool(OBJECT(bus), false, "realized",
-                                 &error_abort);
+        qbus_unrealize(bus);
     }
 
     if (qdev_get_vmsd(dev)) {
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 70c66965f5..6947c741c3 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -456,7 +456,7 @@ void pci_root_bus_cleanup(PCIBus *bus)
 {
     pci_bus_uninit(bus);
     /* the caller of the unplug hotplug handler will delete this device */
-    object_property_set_bool(OBJECT(bus), false, "realized", &error_abort);
+    qbus_unrealize(BUS(bus));
 }
 
 void pci_bus_irqs(PCIBus *bus, pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
-- 
2.21.1