driver core: move uevent call to driver_register

Device driver attribute groups are created after userspace is notified
via an add event. Fix this by moving the kobject_uevent call to
driver_register after the attribute groups are added.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/bus.c

@@ -743,7 +743,6 @@ int bus_add_driver(struct device_driver *drv)
 		}
 	}
 
-	kobject_uevent(&priv->kobj, KOBJ_ADD);
 	return 0;
 
 out_unregister:

drivers/base/driver.c

@@ -187,6 +187,9 @@ int driver_register(struct device_driver *drv)
 	ret = driver_add_groups(drv, drv->groups);
 	if (ret)
 		bus_remove_driver(drv);
+
+	kobject_uevent(&drv->p->kobj, KOBJ_ADD);
+
 	return ret;
 }
 EXPORT_SYMBOL_GPL(driver_register);