From f8300ab8c3e0bea42c82bbdcdff7b791b795d58f Mon Sep 17 00:00:00 2001
From: Julia Lawall <julia@diku.dk>
Date: Wed, 19 May 2010 10:11:14 -0700
Subject: [PATCH] Input: wistron_btns - switch to using kmemdup()

Use kmemdup when some other buffer is immediately copied into the
allocated region.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---
 drivers/input/misc/wistron_btns.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 04d5a4a3181ff..4dac8b79fcd4f 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -983,11 +983,11 @@ static int __init copy_keymap(void)
 	for (key = keymap; key->type != KE_END; key++)
 		length++;
 
-	new_keymap = kmalloc(length * sizeof(struct key_entry), GFP_KERNEL);
+	new_keymap = kmemdup(keymap, length * sizeof(struct key_entry),
+			     GFP_KERNEL);
 	if (!new_keymap)
 		return -ENOMEM;
 
-	memcpy(new_keymap, keymap, length * sizeof(struct key_entry));
 	keymap = new_keymap;
 
 	return 0;
-- 
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