{
        int ret;
        struct loongarch_eiointc *s;
-       struct kvm_io_device *device, *device1;
+       struct kvm_io_device *device;
        struct kvm *kvm = dev->kvm;
 
        /* eiointc has been created */
                return ret;
        }
 
-       device1 = &s->device_vext;
-       kvm_iodevice_init(device1, &kvm_eiointc_virt_ops);
+       device = &s->device_vext;
+       kvm_iodevice_init(device, &kvm_eiointc_virt_ops);
        ret = kvm_io_bus_register_dev(kvm, KVM_IOCSR_BUS,
-                       EIOINTC_VIRT_BASE, EIOINTC_VIRT_SIZE, device1);
+                       EIOINTC_VIRT_BASE, EIOINTC_VIRT_SIZE, device);
        if (ret < 0) {
                kvm_io_bus_unregister_dev(kvm, KVM_IOCSR_BUS, &s->device);
                kfree(s);