linux-kernel - [PATCH 11/20] driver core: platform_device_add

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Date:	Tue, 15 Sep 2009 12:12:47 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 11/20] driver core: platform_device_add_data(): use kmemdup()

From: Andrew Morton <akpm@...ux-foundation.org>

Instead of open-coding it.

Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/base/platform.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0f7d434..ed156a1 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -10,6 +10,7 @@
  * information.
  */
 
+#include <linux/string.h>
 #include <linux/platform_device.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -213,14 +214,13 @@ EXPORT_SYMBOL_GPL(platform_device_add_resources);
 int platform_device_add_data(struct platform_device *pdev, const void *data,
 			     size_t size)
 {
-	void *d;
+	void *d = kmemdup(data, size, GFP_KERNEL);
 
-	d = kmalloc(size, GFP_KERNEL);
 	if (d) {
-		memcpy(d, data, size);
 		pdev->dev.platform_data = d;
+		return 0;
 	}
-	return d ? 0 : -ENOMEM;
+	return -ENOMEM;
 }
 EXPORT_SYMBOL_GPL(platform_device_add_data);
 
-- 
1.6.4.2

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