From da7c224b1baaeb7543dc7663ae78716f9a6864c1 Mon Sep 17 00:00:00 2001
From: Ying Xue <ying.xue@windriver.com>
Date: Wed, 8 Jan 2014 10:26:39 +0800
Subject: net: xfrm: xfrm_policy: silence compiler warning
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Fix below compiler warning:

net/xfrm/xfrm_policy.c:1644:12: warning: ‘xfrm_dst_alloc_copy’ defined but not used [-Wunused-function]

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b390446..e205c4b 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1641,6 +1641,7 @@ free_dst:
 	goto out;
 }
 
+#ifdef CONFIG_XFRM_SUB_POLICY
 static int xfrm_dst_alloc_copy(void **target, const void *src, int size)
 {
 	if (!*target) {
@@ -1652,6 +1653,7 @@ static int xfrm_dst_alloc_copy(void **target, const void *src, int size)
 	memcpy(*target, src, size);
 	return 0;
 }
+#endif
 
 static int xfrm_dst_update_parent(struct dst_entry *dst,
 				  const struct xfrm_selector *sel)
-- 
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