qom: Remove parent pointer when unparenting

Certain parts of the QOM framework test this pointer to determine if
an object is parented. Nuke it when the object is unparented to allow
for reuse of an object after unparenting.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/qom/object.c b/qom/object.c
index 3876618c2e..7cefdf2137 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -402,6 +402,7 @@ void object_unparent(Object *obj)
     }
     if (obj->parent) {
         object_property_del_child(obj->parent, obj, NULL);
+        obj->parent = NULL;
     }
     object_unref(obj);
 }