commit 62d7ba669dbd5b4c92664eea453d28448ab9cb4b
author Paolo Bonzini <pbonzini@redhat.com> Fri Jan 25 14:12:35 2013 +0100
committer Anthony Liguori <aliguori@us.ibm.com> Fri Feb 01 15:53:10 2013 -0600
tree 61a26431a8982d8c93a9f1c94cad8c10031148c6
parent 06f7f2bb562826101468f387b4a34971b16e9aee

qdev: add reference for the bus while it is referred to by the DeviceState

Now that the unparent callbacks are complete, we can correctly account
more missing references.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

hw/qdev.c

diff --git a/hw/qdev.c b/hw/qdev.c
index 6f1b311..1dabcad 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -100,6 +100,7 @@
 void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
 {
     dev->parent_bus = bus;
+    object_ref(OBJECT(bus));
     bus_add_child(bus, dev);
 }
 
@@ -773,6 +774,8 @@
     }
     if (dev->parent_bus) {
         bus_remove_child(dev->parent_bus, dev);
+        object_unref(OBJECT(dev->parent_bus));
+        dev->parent_bus = NULL;
     }
 }