qdev: Fix bus dependency of DeviceState::hotpluggable getter
Commit 1a37eca107cece3ed454bae29eef0bd1fac4a244 (qdev: add
"hotpluggable" property to Device) added a property "hotpluggable" to
each device, with its getter accessing parent_bus->allow_hotplug.
Add a NULL check.
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 380976a..5377893 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -735,7 +735,8 @@
DeviceClass *dc = DEVICE_GET_CLASS(obj);
DeviceState *dev = DEVICE(obj);
- return dc->hotpluggable && dev->parent_bus->allow_hotplug;
+ return dc->hotpluggable && (dev->parent_bus == NULL ||
+ dev->parent_bus->allow_hotplug);
}
static void device_initfn(Object *obj)
