linux-kernel - [RFC] Add inline routine to free memory used in kobject name

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Date:	Mon, 07 Oct 2013 12:43:41 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	gregkh@...uxfoundation.org
Cc:	linux-kernel@...r.kernel.org
Subject: [RFC] Add inline routine to free memory used in kobject name

At present, if one wants to free the memory allocation used for
a dev->kobj name, it is necessary to go quite deeply into the structure.
To avoid this much dependence on the structure details in driver
code, a new inline routine is created.

Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
---

Index: wireless-testing-save/include/linux/device.h
===================================================================
--- wireless-testing-save.orig/include/linux/device.h
+++ wireless-testing-save/include/linux/device.h
@@ -27,6 +27,7 @@
 #include <linux/ratelimit.h>
 #include <linux/uidgid.h>
 #include <asm/device.h>
+#include <linux/slab.h>
 
 struct device;
 struct device_private;
@@ -789,6 +790,11 @@ static inline const char *dev_name(const
 	return kobject_name(&dev->kobj);
 }
 
+static inline void dev_free_name(struct device *dev)
+{
+	kfree(dev->kobj.name);
+}
+
 extern __printf(2, 3)
 int dev_set_name(struct device *dev, const char *name, ...);
 
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