[3.8.y.z extended stable] Patch "net: fix 'ip rule' iif/oif device rename" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    net: fix 'ip rule' iif/oif device rename

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.21.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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>From 05c5b785e8d9e93000f0cee63dcea97dc93db756 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maciej=20=C5=BBenczykowski?= <maze at google.com>
Date: Fri, 7 Feb 2014 16:23:48 -0800
Subject: net: fix 'ip rule' iif/oif device rename
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

[ Upstream commit 946c032e5a53992ea45e062ecb08670ba39b99e3 ]

ip rules with iif/oif references do not update:
(detach/attach) across interface renames.

Signed-off-by: Maciej Żenczykowski <maze at google.com>
CC: Willem de Bruijn <willemb at google.com>
CC: Eric Dumazet <edumazet at google.com>
CC: Chris Davis <chrismd at google.com>
CC: Carlo Contavalli <ccontavalli at google.com>

Google-Bug-Id: 12936021
Acked-by: Eric Dumazet <edumazet at google.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 net/core/fib_rules.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 8c9b04b..90b200c 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -720,6 +720,13 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event,
 			attach_rules(&ops->rules_list, dev);
 		break;

+	case NETDEV_CHANGENAME:
+		list_for_each_entry(ops, &net->rules_ops, list) {
+			detach_rules(&ops->rules_list, dev);
+			attach_rules(&ops->rules_list, dev);
+		}
+		break;
+
 	case NETDEV_UNREGISTER:
 		list_for_each_entry(ops, &net->rules_ops, list)
 			detach_rules(&ops->rules_list, dev);
--
1.8.3.2