linux-kernel - [PATCH] rapidio: use kobj_to

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Message-Id: <e0c42260d6faf11d7dfd12aec962bf664600ddaa.1452093278.git.geliangtang@163.com>
Date:	Wed,  6 Jan 2016 23:15:33 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Matt Porter <mporter@...nel.crashing.org>,
	Alexandre Bounine <alexandre.bounine@....com>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH] rapidio: use kobj_to_dev()

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 drivers/rapidio/rio-sysfs.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
index cdb005c..eda4156 100644
--- a/drivers/rapidio/rio-sysfs.c
+++ b/drivers/rapidio/rio-sysfs.c
@@ -125,8 +125,7 @@ rio_read_config(struct file *filp, struct kobject *kobj,
 		struct bin_attribute *bin_attr,
 		char *buf, loff_t off, size_t count)
 {
-	struct rio_dev *dev =
-	    to_rio_dev(container_of(kobj, struct device, kobj));
+	struct rio_dev *dev = to_rio_dev(kobj_to_dev(kobj));
 	unsigned int size = 0x100;
 	loff_t init_off = off;
 	u8 *data = (u8 *) buf;
@@ -197,8 +196,7 @@ rio_write_config(struct file *filp, struct kobject *kobj,
 		 struct bin_attribute *bin_attr,
 		 char *buf, loff_t off, size_t count)
 {
-	struct rio_dev *dev =
-	    to_rio_dev(container_of(kobj, struct device, kobj));
+	struct rio_dev *dev = to_rio_dev(kobj_to_dev(kobj));
 	unsigned int size = count;
 	loff_t init_off = off;
 	u8 *data = (u8 *) buf;
-- 
2.5.0


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