linux-kernel - [PATCH] drivers/memstick: Use kmemdup rather than duplicating its implementation

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Date:	Thu, 10 Nov 2011 19:42:33 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] drivers/memstick: Use kmemdup rather than duplicating its
 implementation

From: Thomas Meyer <thomas@...3r.de>

Use kmemdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
--- a/drivers/memstick/core/mspro_block.c 2011-11-07 19:39:05.517796746 +0100
+++ b/drivers/memstick/core/mspro_block.c 2011-11-08 10:52:46.510979781 +0100
@@ -1034,12 +1034,11 @@ static int mspro_block_read_attributes(s
 	}
 	msb->attr_group.name = "media_attributes";
 
-	buffer = kmalloc(attr_len, GFP_KERNEL);
+	buffer = kmemdup((char *)attr, attr_len, GFP_KERNEL);
 	if (!buffer) {
 		rc = -ENOMEM;
 		goto out_free_attr;
 	}
-	memcpy(buffer, (char *)attr, attr_len);
 
 	for (cnt = 0; cnt < attr_count; ++cnt) {
 		s_attr = kzalloc(sizeof(struct mspro_sys_attr), GFP_KERNEL);


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