driver core: bus: use to_subsys_private and to_device_private_bus

Use to_subsys_private() and to_device_private_bus() instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 4bee6b0..6470eb8 100644 (file)
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -149,8 +149,7 @@ EXPORT_SYMBOL_GPL(bus_remove_file);
 
 static void bus_release(struct kobject *kobj)
 {
-       struct subsys_private *priv =
-               container_of(kobj, typeof(*priv), subsys.kobj);
+       struct subsys_private *priv = to_subsys_private(kobj);
        struct bus_type *bus = priv->bus;
 
        kfree(priv);
@@ -1103,7 +1102,7 @@ struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter)
                knode = klist_next(&iter->ki);
                if (!knode)
                        return NULL;
-               dev = container_of(knode, struct device_private, knode_bus)->device;
+               dev = to_device_private_bus(knode)->device;
                if (!iter->type || iter->type == dev->type)
                        return dev;
        }