Staging: hv: Cleanup calls to cleanup() in hv_mouse.c

Cleanup calls to cleanup() in hv_mouse.c as this is an empty function.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: NAbhishek Kane <v-abkane@microsoft.com>
Signed-off-by: NHank Janssen <hjanssen@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/hv_mouse.c

@@ -947,7 +947,6 @@ static int mousevsc_drv_exit_cb(struct device *dev, void *data)
 
 static void mousevsc_drv_exit(void)
 {
-	struct mousevsc_drv_obj *mousevsc_drv_obj = &g_mousevsc_drv;
 	struct hv_driver *drv = &g_mousevsc_drv.base;
 	int ret;
 
@@ -970,9 +969,6 @@ static void mousevsc_drv_exit(void)
 		device_unregister(current_dev);
 	}
 
-	if (mousevsc_drv_obj->base.cleanup)
-		mousevsc_drv_obj->base.cleanup(&mousevsc_drv_obj->base);
-
 	vmbus_child_driver_unregister(&drv->driver);
 
 	return;