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qdev: implement cleanup logic in finalize 

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2011-12-23 08:38:56 -06:00
parent fe40e627c5
commit 60adba3769
1 changed files with 32 additions and 25 deletions
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57
hw/qdev.c
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@ -247,31 +247,6 @@ void qdev_init_nofail(DeviceState *dev)
/* Unlink device from bus and free the structure. */
void qdev_free(DeviceState *dev)
{
BusState *bus;
Property *prop;
DeviceClass *dc = DEVICE_GET_CLASS(dev);
if (dev->state == DEV_STATE_INITIALIZED) {
while (dev->num_child_bus) {
bus = QLIST_FIRST(&dev->child_bus);
qbus_free(bus);
}
if (qdev_get_vmsd(dev)) {
vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
}
if (dc->exit) {
dc->exit(dev);
}
if (dev->opts) {
qemu_opts_del(dev->opts);
}
}
QTAILQ_REMOVE(&dev->parent_bus->children, dev, sibling);
for (prop = qdev_get_props(dev); prop && prop->name; prop++) {
if (prop->info->free) {
prop->info->free(dev, prop);
}
}
object_delete(OBJECT(dev));
}
@ -634,6 +609,37 @@ static void device_initfn(Object *obj)
object_property_add_str(OBJECT(dev), "type", qdev_get_type, NULL, NULL);
}
/* Unlink device from bus and free the structure. */
static void device_finalize(Object *obj)
{
DeviceState *dev = DEVICE(obj);
BusState *bus;
Property *prop;
DeviceClass *dc = DEVICE_GET_CLASS(dev);
if (dev->state == DEV_STATE_INITIALIZED) {
while (dev->num_child_bus) {
bus = QLIST_FIRST(&dev->child_bus);
qbus_free(bus);
}
if (qdev_get_vmsd(dev)) {
vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
}
if (dc->exit) {
dc->exit(dev);
}
if (dev->opts) {
qemu_opts_del(dev->opts);
}
}
QTAILQ_REMOVE(&dev->parent_bus->children, dev, sibling);
for (prop = qdev_get_props(dev); prop && prop->name; prop++) {
if (prop->info->free) {
prop->info->free(dev, prop);
}
}
}
void device_reset(DeviceState *dev)
{
DeviceClass *klass = DEVICE_GET_CLASS(dev);
@ -648,6 +654,7 @@ static TypeInfo device_type_info = {
.parent = TYPE_OBJECT,
.instance_size = sizeof(DeviceState),
.instance_init = device_initfn,
.instance_finalize = device_finalize,
.abstract = true,
.class_size = sizeof(DeviceClass),
};