linux-kernel - [PATCH 3.18 10/26] vti6: fix device register to report IFLA_INFO

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Message-Id: <20171207124655.993435021@linuxfoundation.org>
Date:   Thu,  7 Dec 2017 13:48:23 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dave Forster <dforster@...cade.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 3.18 10/26] vti6: fix device register to report IFLA_INFO_KIND

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

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

From: David Forster <dforster@...cade.com>


[ Upstream commit 93e246f783e6bd1bc64fdfbfe68b18161f69b28e ]

vti6 interface is registered before the rtnl_link_ops block
is attached. As a result the resulting RTM_NEWLINK is missing
IFLA_INFO_KIND. Re-order attachment of rtnl_link_ops block to fix.

Signed-off-by: Dave Forster <dforster@...cade.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/ipv6/ip6_vti.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -172,12 +172,12 @@ static int vti6_tnl_create2(struct net_d
 	struct vti6_net *ip6n = net_generic(net, vti6_net_id);
 	int err;
 
+	dev->rtnl_link_ops = &vti6_link_ops;
 	err = register_netdevice(dev);
 	if (err < 0)
 		goto out;
 
 	strcpy(t->parms.name, dev->name);
-	dev->rtnl_link_ops = &vti6_link_ops;
 
 	dev_hold(dev);
 	vti6_tnl_link(ip6n, t);