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Message-Id: <1437728381-4603-1-git-send-email-nicolas.dichtel@6wind.com>
Date:	Fri, 24 Jul 2015 10:59:41 +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] ipv6: use lwtunnel_output6() only if flag redirect is set

This function make sense only when LWTUNNEL_STATE_OUTPUT_REDIRECT is set.
The check is already done in IPv4.

CC: Thomas Graf <tgraf@...g.ch>
CC: Roopa Prabhu <roopa@...ulusnetworks.com>
Fixes: 74a0f2fe8ed5 ("ipv6: rt6_info output redirect to tunnel output")
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 net/ipv6/route.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index f216cb998628..67b2367126f3 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1780,7 +1780,8 @@ int ip6_route_add(struct fib6_config *cfg)
 			goto out;
 		lwtunnel_state_get(lwtstate);
 		rt->rt6i_lwtstate = lwtstate;
-		rt->dst.output = lwtunnel_output6;
+		if (lwtunnel_output_redirect(rt->rt6i_lwtstate))
+			rt->dst.output = lwtunnel_output6;
 	}
 
 	ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);
-- 
2.4.2

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