linux-kernel - [PATCH 2/5] misc: cxl: use kobj_to

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Date:	Wed, 13 Jan 2016 23:30:09 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Ian Munsie <imunsie@....ibm.com>,
	Michael Neuling <mikey@...ling.org>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Geliang Tang <geliangtang@....com>, linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/5] misc: cxl: use kobj_to_dev()

Use kobj_to_dev() instead of open-coding it.

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

diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 02006f71..038af5d 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -386,8 +386,7 @@ static ssize_t afu_eb_read(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr, char *buf,
 			       loff_t off, size_t count)
 {
-	struct cxl_afu *afu = to_cxl_afu(container_of(kobj,
-						      struct device, kobj));
+	struct cxl_afu *afu = to_cxl_afu(kobj_to_dev(kobj));
 
 	return cxl_afu_read_err_buffer(afu, buf, off, count);
 }
@@ -467,7 +466,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj,
 			       loff_t off, size_t count)
 {
 	struct afu_config_record *cr = to_cr(kobj);
-	struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct device, kobj));
+	struct cxl_afu *afu = to_cxl_afu(kobj_to_dev(kobj->parent));
 
 	u64 i, j, val;
 
-- 
2.5.0