From 0f6c6392dca9c4825c98322a1bf74991e4f0f54d Mon Sep 17 00:00:00 2001
From: Florian Westphal <fw@strlen.de>
Date: Fri, 20 May 2011 11:27:24 +0000
Subject: ipv6: copy prefsrc setting when copying route entry

commit c3968a857a6b6c3d2ef4ead35776b055fb664d74
('ipv6: RTA_PREFSRC support for ipv6 route source address selection')
added support for ipv6 prefsrc as an alternative to ipv6 addrlabels,
but it did not work because the prefsrc entry was not copied.

Cc: Daniel Walter <sahne@0x90.at>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index f1be5c5..de2b1de 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1756,6 +1756,7 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
 #ifdef CONFIG_IPV6_SUBTREES
 		memcpy(&rt->rt6i_src, &ort->rt6i_src, sizeof(struct rt6key));
 #endif
+		memcpy(&rt->rt6i_prefsrc, &ort->rt6i_prefsrc, sizeof(struct rt6key));
 		rt->rt6i_table = ort->rt6i_table;
 	}
 	return rt;
-- 
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