Staging: hv: netvsc_drv: Clean up the netvsc_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 netvsc_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/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index ced3802..7b6844f 100644 (file)
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -428,15 +428,6 @@ static int netvsc_remove(struct hv_device *dev)
        return ret;
 }
 
-static int netvsc_drv_exit_cb(struct device *dev, void *data)
-{
-       struct device **curr = (struct device **)data;
-
-       *curr = dev;
-       /* stop iterating */
-       return 1;
-}
-
 /* The one and only one */
 static struct  netvsc_driver netvsc_drv = {
        .base.probe = netvsc_probe,
@@ -445,30 +436,7 @@ static struct  netvsc_driver netvsc_drv = {
 
 static void netvsc_drv_exit(void)
 {
-       struct hv_driver *drv = &netvsc_drv.base;
-       struct device *current_dev;
-       int ret;
-
-       while (1) {
-               current_dev = NULL;
-
-               /* Get the device */
-               ret = driver_for_each_device(&drv->driver, NULL,
-                                            &current_dev, netvsc_drv_exit_cb);
-
-               if (current_dev == NULL)
-                       break;
-
-               /* Initiate removal from the top-down */
-               dev_err(current_dev, "unregistering device (%s)...\n",
-                       dev_name(current_dev));
-
-               device_unregister(current_dev);
-       }
-
-       vmbus_child_driver_unregister(&drv->driver);
-
-       return;
+       vmbus_child_driver_unregister(&netvsc_drv.base.driver);
 }
 
 static int netvsc_drv_init(int (*drv_init)(struct hv_driver *drv))