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Date:	Mon, 31 Mar 2014 00:23:35 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Chris Davis" <chrismd@...gle.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Maciej ┼╗enczykowski" <maze@...gle.com>,
	"Eric Dumazet" <edumazet@...gle.com>,
	"Carlo Contavalli" <ccontavalli@...gle.com>,
	"Willem de Bruijn" <willemb@...gle.com>
Subject: [PATCH 3.2 187/200] net: fix 'ip rule' iif/oif device rename

3.2.56-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Maciej ┼╗enczykowski <maze@...gle.com>

[ Upstream commit 946c032e5a53992ea45e062ecb08670ba39b99e3 ]

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

Signed-off-by: Maciej ┼╗enczykowski <maze@...gle.com>
CC: Willem de Bruijn <willemb@...gle.com>
CC: Eric Dumazet <edumazet@...gle.com>
CC: Chris Davis <chrismd@...gle.com>
CC: Carlo Contavalli <ccontavalli@...gle.com>

Google-Bug-Id: 12936021
Acked-by: Eric Dumazet <edumazet@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 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 c0c21b1..6af54f2 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -718,6 +718,13 @@ 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);

--
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