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[Qemu-devel] [PATCH v2 03/12] qom: preserve object while unparenting it
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH v2 03/12] qom: preserve object while unparenting it |
Date: |
Mon, 21 Jan 2013 13:30:13 +0100 |
Avoid that the object disappears after it's deleted from the QOM
composition tree, in case that was the only reference to it.
Signed-off-by: Paolo Bonzini <address@hidden>
---
qom/object.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/qom/object.c b/qom/object.c
index 03e6f24..1a123da 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -361,12 +361,14 @@ static void object_property_del_child(Object *obj, Object
*child, Error **errp)
void object_unparent(Object *obj)
{
+ object_ref(obj);
if (obj->parent) {
object_property_del_child(obj->parent, obj, NULL);
}
if (obj->class->unparent) {
(obj->class->unparent)(obj);
}
+ object_unref(obj);
}
static void object_deinit(Object *obj, TypeImpl *type)
--
1.8.1
- [Qemu-devel] [PATCH v2 00/12] qdev: correct reference counting, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 01/12] qdev: export and use qbus_init, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 02/12] qdev: use object_new, not g_malloc to create buses, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 03/12] qom: preserve object while unparenting it,
Paolo Bonzini <=
- [Qemu-devel] [PATCH v2 05/12] qdev: add reference count to a device for the BusChild, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 06/12] qdev: move deletion of children from finalize to unparent, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 07/12] qdev: move unrealization of devices from finalize to unparent, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 11/12] cpu: do not use object_delete, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 09/12] qdev: inline object_delete into qbus_free/qdev_free, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 04/12] qom: document reference counting of link properties, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 08/12] qdev: add reference for the bus while it is referred to by the DeviceState, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 10/12] qdev: drop extra references at creation time, Paolo Bonzini, 2013/01/21
- [Qemu-devel] [PATCH v2 12/12] qom: remove object_delete, Paolo Bonzini, 2013/01/21