[PATCH 2/3] driver core: bus: use to_subsys_private and to_device_private_bus

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From	Geliang Tang <geliangtang@163.com>
Newsgroups	linux.kernel
Subject	[PATCH 2/3] driver core: bus: use to_subsys_private and to_device_private_bus
Date	Tue, 05 Jan 2016 16:10:03 +0100
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Use to_subsys_private() and to_device_private_bus() instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/base/bus.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 4bee6b0..6470eb8 100644
--- 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;
 	}
-- 
2.5.0


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[PATCH 1/3] driver core: bus: use list_for_each_entry* Geliang Tang <geliangtang@163.com> - 2016-01-05 16:10 +0100
  [PATCH 3/3] driver core: bus: add a new helper to_driver_private_bus Geliang Tang <geliangtang@163.com> - 2016-01-05 16:10 +0100
  [PATCH 2/3] driver core: bus: use to_subsys_private and to_device_private_bus Geliang Tang <geliangtang@163.com> - 2016-01-05 16:10 +0100

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