kobject_get
kobject_get(cdev->kobj.parent);
kobject_get(cdev->kobj.parent);
kobject_get(&dev->kobj);
kobj = kobject_get(&kset->kobj);
kobject_get(device->ports_parent));
kobject_get(port->cur_port));
kobject_get(port->cur_port));
kobject_create_and_add("pkeys", kobject_get(port->cur_port));
kobject_create_and_add("mcgs", kobject_get(port->cur_port));
kobject_get(dev->dev_ports_parent[slave]),
kobject_create_and_add(name, kobject_get(dev->iov_parent));
kobject_get(dev->pkeys.device_parent[slave]));
kobject_get(dev->ib_dev.ports_parent->parent));
kobject_get(dev->iov_parent));
kobject_get(&device->dev.kobj);
kobject_get(&port->umad_dev->kobj);
kobject_get(&port->umad_dev->kobj);