netdev - [PATCH net-next 1/2] ipv6: copy lwtstate in ip6_rt_copy

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Message-Id: <1437733716-4494-1-git-send-email-nicolas.dichtel@6wind.com>
Date:	Fri, 24 Jul 2015 12:28:35 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	Thomas Graf <tgraf@...g.ch>,
	Roopa Prabhu <roopa@...ulusnetworks.com>
Subject: [PATCH net-next 1/2] ipv6: copy lwtstate in ip6_rt_copy_init()

We need to copy this field (ip6_rt_cache_alloc() and ip6_rt_pcpu_alloc()
use ip6_rt_copy_init() to build a dst).

CC: Thomas Graf <tgraf@...g.ch>
CC: Roopa Prabhu <roopa@...ulusnetworks.com>
Fixes: 19e42e451506 ("ipv6: support for fib route lwtunnel encap attributes")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 net/ipv6/route.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 67b2367126f3..ac01ab0886a5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2164,6 +2164,10 @@ static void ip6_rt_copy_init(struct rt6_info *rt, struct rt6_info *ort)
 #endif
 	rt->rt6i_prefsrc = ort->rt6i_prefsrc;
 	rt->rt6i_table = ort->rt6i_table;
+	if (ort->rt6i_lwtstate) {
+		lwtunnel_state_get(ort->rt6i_lwtstate);
+		rt->rt6i_lwtstate = ort->rt6i_lwtstate;
+	}
 }
 
 #ifdef CONFIG_IPV6_ROUTE_INFO
-- 
2.4.2

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