+}
+
+static DeviceState *find_device_state(const char *id, Error **errp)
+{
+ Object *obj;
+
+ if (id[0] == '/') {
+ obj = object_resolve_path(id, NULL);
+ } else {
+ char *root_path = object_get_canonical_path(qdev_get_peripheral());
+ char *path = g_strdup_printf("%s/%s", root_path, id);
+
+ g_free(root_path);
+ obj = object_resolve_path_type(path, TYPE_DEVICE, NULL);
+ g_free(path);
+ }
+
+ if (!obj) {
+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+ "Device '%s' not found", id);
+ return NULL;
+ }
+
+ if (!object_dynamic_cast(obj, TYPE_DEVICE)) {
+ error_setg(errp, "%s is not a hotpluggable device", id);
+ return NULL;
+ }
+
+ return DEVICE(obj);
+}
+
+void qdev_unplug(DeviceState *dev, Error **errp)
+{
+ DeviceClass *dc = DEVICE_GET_CLASS(dev);
+ HotplugHandler *hotplug_ctrl;
+ HotplugHandlerClass *hdc;
+ Error *local_err = NULL;
+
+ if (dev->parent_bus && !qbus_is_hotpluggable(dev->parent_bus)) {
+ error_setg(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name);
+ return;
+ }
+
+ if (!dc->hotpluggable) {
+ error_setg(errp, QERR_DEVICE_NO_HOTPLUG,
+ object_get_typename(OBJECT(dev)));
+ return;
+ }
+
+ if (!migration_is_idle()) {
+ error_setg(errp, "device_del not allowed while migrating");
+ return;
+ }
+
+ qdev_hot_removed = true;
+
+ hotplug_ctrl = qdev_get_hotplug_handler(dev);
+ /* hotpluggable device MUST have HotplugHandler, if it doesn't
+ * then something is very wrong with it */
+ g_assert(hotplug_ctrl);
+
+ /* If device supports async unplug just request it to be done,
+ * otherwise just remove it synchronously */
+ hdc = HOTPLUG_HANDLER_GET_CLASS(hotplug_ctrl);
+ if (hdc->unplug_request) {
+ hotplug_handler_unplug_request(hotplug_ctrl, dev, &local_err);
+ } else {
+ hotplug_handler_unplug(hotplug_ctrl, dev, &local_err);
+ if (!local_err) {
+ object_unparent(OBJECT(dev));
+ }
+ }
+ error_propagate(errp, local_err);