From 7d1db4b242134bb4c7170f4c15491980ac064ac3 Mon Sep 17 00:00:00 2001
From: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Date: Thu, 26 Sep 2013 15:52:13 -0400
Subject: [PATCH] selinux: Use kmemdup instead of kmalloc + memcpy

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
---
 security/selinux/xfrm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 425b9f91d755..a91d205ec0c6 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -268,10 +268,10 @@ int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
 	if (!old_ctx)
 		return 0;
 
-	new_ctx = kmalloc(sizeof(*old_ctx) + old_ctx->ctx_len, GFP_ATOMIC);
+	new_ctx = kmemdup(old_ctx, sizeof(*old_ctx) + old_ctx->ctx_len,
+			  GFP_ATOMIC);
 	if (!new_ctx)
 		return -ENOMEM;
-	memcpy(new_ctx, old_ctx, sizeof(*old_ctx) + old_ctx->ctx_len);
 	atomic_inc(&selinux_xfrm_refcount);
 	*new_ctxp = new_ctx;
 
-- 
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