From 15e4bbcbdf6bf9f993503d5bcf0dacdf647aa36b Mon Sep 17 00:00:00 2001
From: stephen hemminger <shemminger@vyatta.com>
Date: Thu, 16 Dec 2010 11:28:12 +0000
Subject: [PATCH] --- yaml --- r: 223633 b: refs/heads/master c:
 29ba5fed1bbd09c2cba890798c8f9eaab251401d h: refs/heads/master i:   223631:
 f81d59f973f23a8cf82ac161c883109ac66076ca v: v3

---
 [refs]                    | 2 +-
 trunk/net/ipv6/addrconf.c | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 3b24fd4a265b..cda6e5caf895 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7d743b7e952261f4d9ee091100b6403f3ce8a2af
+refs/heads/master: 29ba5fed1bbd09c2cba890798c8f9eaab251401d
diff --git a/trunk/net/ipv6/addrconf.c b/trunk/net/ipv6/addrconf.c
index 93b7a933a775..848b35591042 100644
--- a/trunk/net/ipv6/addrconf.c
+++ b/trunk/net/ipv6/addrconf.c
@@ -2669,7 +2669,9 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 
 	ASSERT_RTNL();
 
-	rt6_ifdown(net, dev);
+	/* Flush routes if device is being removed or it is not loopback */
+	if (how || !(dev->flags & IFF_LOOPBACK))
+		rt6_ifdown(net, dev);
 	neigh_ifdown(&nd_tbl, dev);
 
 	idev = __in6_dev_get(dev);