[PATCH 2/3] ipv6: use addrconf_get_prefix_route() to remove peer addr

[Tim Gardner]

From: Nicolas Dichtel <nicolas.dichtel at 6wind.com>

BugLink: http://bugs.launchpad.net/bugs/1662096

addrconf_get_prefix_route() ensures to get the right route in the right table.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel at 6wind.com>
Acked-by: Hannes Frederic Sowa <hannes at stressinduktion.org>
Signed-off-by: David S. Miller <davem at davemloft.net>
(cherry picked from commit e7478dfc4656f4a739ed1b07cfd59c12f8eb112e)
Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
---
 net/ipv6/addrconf.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8ae7618..6a7e788 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4575,10 +4575,9 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
 		addrconf_leave_solict(ifp->idev, &ifp->addr);
 		if (!ipv6_addr_any(&ifp->peer_addr)) {
 			struct rt6_info *rt;
-			struct net_device *dev = ifp->idev->dev;
 
-			rt = rt6_lookup(dev_net(dev), &ifp->peer_addr, NULL,
-					dev->ifindex, 1);
+			rt = addrconf_get_prefix_route(&ifp->peer_addr, 128,
+						       ifp->idev->dev, 0, 0);
 			if (rt && ip6_del_rt(rt))
 				dst_free(&rt->dst);
 		}
-- 
2.7.4