Staging: hv: storvsc_drv: Cleanup storvsc_drv_exit() function

To conform to the Linux device model, the device should persist even
when there is no driver bound to it. Cleanup the storvsc_drv_exit() routine
keeping this in mind.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index d811385..942cc5f 100644 (file)
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -792,37 +792,9 @@ static int storvsc_drv_init(void)
        return ret;
 }
 
-static int storvsc_drv_exit_cb(struct device *dev, void *data)
-{
-       struct device **curr = (struct device **)data;
-       *curr = dev;
-       return 1; /* stop iterating */
-}
-
 static void storvsc_drv_exit(void)
 {
-       struct hv_driver *drv = &storvsc_drv;
-       struct device *current_dev = NULL;
-       int ret;
-
-       while (1) {
-               current_dev = NULL;
-
-               /* Get the device */
-               ret = driver_for_each_device(&drv->driver, NULL,
-                                            (void *) &current_dev,
-                                            storvsc_drv_exit_cb);
-
-
-               if (current_dev == NULL)
-                       break;
-
-               /* Initiate removal from the top-down */
-               device_unregister(current_dev);
-       }
-
-       vmbus_child_driver_unregister(&drv->driver);
-       return;
+       vmbus_child_driver_unregister(&storvsc_drv.driver);
 }
 
 static int __init storvsc_init(void)