if ((retval = usb_register_bus(&hcd->self)) < 0)
goto err_register_bus;
- if ((rhdev = usb_alloc_dev(NULL, &hcd->self, 0)) == NULL) {
+ rhdev = usb_alloc_dev(NULL, &hcd->self, 0);
+ if (rhdev == NULL) {
dev_err(hcd->self.controller, "unable to allocate root hub\n");
retval = -ENOMEM;
goto err_allocate_root_hub;