struct hv_dev_port_info outbound;
};
+static int vmbus_exists(void)
+{
+ if (hv_acpi_dev == NULL)
+ return -ENODEV;
+
+ return 0;
+}
+
static void get_channel_info(struct hv_device *device,
struct hv_device_info *info)
pr_info("registering driver %s\n", hv_driver->name);
+ ret = vmbus_exists();
+ if (ret < 0)
+ return ret;
+
hv_driver->driver.name = hv_driver->name;
hv_driver->driver.owner = owner;
hv_driver->driver.mod_name = mod_name;
{
pr_info("unregistering driver %s\n", hv_driver->name);
- driver_unregister(&hv_driver->driver);
-
+ if (!vmbus_exists())
+ driver_unregister(&hv_driver->driver);
}
EXPORT_SYMBOL_GPL(vmbus_driver_unregister);
cleanup:
acpi_bus_unregister_driver(&vmbus_acpi_driver);
+ hv_acpi_dev = NULL;
return ret;
}
+static void __exit vmbus_exit(void)
+{
+
+ free_irq(irq, hv_acpi_dev);
+ vmbus_free_channels();
+ bus_unregister(&hv_bus);
+ hv_cleanup();
+ acpi_bus_unregister_driver(&vmbus_acpi_driver);
+}
+
MODULE_LICENSE("GPL");
MODULE_VERSION(HV_DRV_VERSION);
-module_init(hv_acpi_init);
+subsys_initcall(hv_acpi_init);
+module_exit(vmbus_exit);