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[Qemu-devel] [PATCH v4 04/13] qom: preserve object while unparenting it
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH v4 04/13] qom: preserve object while unparenting it |
Date: |
Fri, 25 Jan 2013 14:12:30 +0100 |
Avoid that the object disappears after it's deleted from the QOM
composition tree, in case that was the only reference to it.
Acked-by: Andreas Färber <address@hidden>
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 for-1.4 v4 00/12] qdev: correct reference counting, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 06/13] qdev: add reference count to a device for the BusChild, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 03/13] pci: use qbus_create in pci_bus_new, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 01/13] qdev: remove duplication between qbus_create and qbus_create_inplace, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 04/13] qom: preserve object while unparenting it,
Paolo Bonzini <=
- [Qemu-devel] [PATCH v4 02/13] qdev: change first argument of qbus_create_inplace to void *, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 05/13] qom: document reference counting of link properties, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 08/13] qdev: move unrealization of devices from finalize to unparent, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 09/13] qdev: add reference for the bus while it is referred to by the DeviceState, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 11/13] qdev: drop extra references at creation time, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 12/13] cpu: do not use object_delete, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 10/13] qdev: inline object_delete into qbus_free/qdev_free, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 07/13] qdev: move deletion of children from finalize to unparent, Paolo Bonzini, 2013/01/25
- [Qemu-devel] [PATCH v4 13/13] qom: remove object_delete, Paolo Bonzini, 2013/01/25