netdev - [PATCH net-next 1/3] sit: fix tunnel update via netlink

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Message-Id: <1372863636-8866-2-git-send-email-nicolas.dichtel@6wind.com>
Date:	Wed,  3 Jul 2013 17:00:34 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, ebiederm@...ssion.com, bcrl@...ck.org,
	ravi.mlists@...il.com, bhutchings@...arflare.com,
	eric.dumazet@...il.com, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH net-next 1/3] sit: fix tunnel update via netlink

The device can stand in another netns, hence we need to do the lookup in netns
tunnel->net.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 net/ipv6/sit.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 85ff37b..a3437a4 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1426,9 +1426,9 @@ static int ipip6_newlink(struct net *src_net, struct net_device *dev,
 static int ipip6_changelink(struct net_device *dev, struct nlattr *tb[],
 			  struct nlattr *data[])
 {
-	struct ip_tunnel *t;
+	struct ip_tunnel *t = netdev_priv(dev);
 	struct ip_tunnel_parm p;
-	struct net *net = dev_net(dev);
+	struct net *net = t->net;
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 #ifdef CONFIG_IPV6_SIT_6RD
 	struct ip_tunnel_6rd ip6rd;
-- 
1.8.2.1

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