linux-kernel - [PATCH 52/62] driver core: Use sysfs_rename_link in device

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Message-Id: <1267572541-410-52-git-send-email-gregkh@suse.de>
Date:	Tue,  2 Mar 2010 15:28:51 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Eric W. Biederman" <ebiederm@...stanetworks.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 52/62] driver core: Use sysfs_rename_link in device_rename

From: Eric W. Biederman <ebiederm@...ssion.com>

Don't open code the renaming of symlinks in sysfs
instead use the new helper function sysfs_rename_link

Acked-by: Tejun Heo <tj@...nel.org>
Acked-by: Serge Hallyn <serue@...ibm.com>
Signed-off-by: Eric W. Biederman <ebiederm@...stanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/base/core.c |   18 ++++++------------
 1 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index bbfcea0..77acb8a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1569,22 +1569,16 @@ int device_rename(struct device *dev, char *new_name)
 	if (old_class_name) {
 		new_class_name = make_class_name(dev->class->name, &dev->kobj);
 		if (new_class_name) {
-			error = sysfs_create_link_nowarn(&dev->parent->kobj,
-							 &dev->kobj,
-							 new_class_name);
-			if (error)
-				goto out;
-			sysfs_remove_link(&dev->parent->kobj, old_class_name);
+			error = sysfs_rename_link(&dev->parent->kobj,
+						  &dev->kobj,
+						  old_class_name,
+						  new_class_name);
 		}
 	}
 #else
 	if (dev->class) {
-		error = sysfs_create_link_nowarn(&dev->class->p->class_subsys.kobj,
-						 &dev->kobj, dev_name(dev));
-		if (error)
-			goto out;
-		sysfs_remove_link(&dev->class->p->class_subsys.kobj,
-				  old_device_name);
+		error = sysfs_rename_link(&dev->class->p->class_subsys.kobj,
+					  &dev->kobj, old_device_name, new_name);
 	}
 #endif
 
-- 
1.7.0.1

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