linux-kernel - [ 048/135] sit: allow to use rtnl ops on fb tunnel

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Message-Id: <20131011193950.500861993@linuxfoundation.org>
Date:	Fri, 11 Oct 2013 12:38:49 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 048/135] sit: allow to use rtnl ops on fb tunnel

3.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nicolas Dichtel <nicolas.dichtel@...nd.com>

[ Upstream commit 205983c43700ac3a81e7625273a3fa83cd2759b5 ]

rtnl ops where introduced by ba3e3f50a0e5 ("sit: advertise tunnel param via
rtnl"), but I forget to assign rtnl ops to fb tunnels.

Now that it is done, we must remove the explicit call to
unregister_netdevice_queue(), because  the fallback tunnel is added to the queue
in sit_destroy_tunnels() when checking rtnl_link_ops of all netdevices (this
is valid since commit 5e6700b3bf98 ("sit: add support of x-netns")).

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/ipv6/sit.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1673,6 +1673,7 @@ static int __net_init sit_init_net(struc
 		goto err_alloc_dev;
 	}
 	dev_net_set(sitn->fb_tunnel_dev, net);
+	sitn->fb_tunnel_dev->rtnl_link_ops = &sit_link_ops;
 	/* FB netdevice is special: we have one, and only one per netns.
 	 * Allowing to move it to another netns is clearly unsafe.
 	 */


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