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authorstephen hemminger <shemminger@vyatta.com>2010-04-12 05:41:31 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-04-13 09:29:27 (GMT)
commit93fa159abe50d3c55c7f83622d3f5c09b6e06f4b (patch)
treefdd522cb37ff6ac0cd4dd7a468b3f2b4abad3aa9 /net
parent3941f1885bbf5b9f5e45cdd5a82efc794cc3823f (diff)
downloadlinux-93fa159abe50d3c55c7f83622d3f5c09b6e06f4b.tar.xz
IPv6: keep route for tentative address
Recent changes preserve IPv6 address when link goes down (good). But would cause address to point to dead dst entry (bad). The simplest fix is to just not delete route if address is being held for later use. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/addrconf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 1b00bfe..a9913d2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4047,7 +4047,8 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
addrconf_leave_anycast(ifp);
addrconf_leave_solict(ifp->idev, &ifp->addr);
dst_hold(&ifp->rt->u.dst);
- if (ip6_del_rt(ifp->rt))
+
+ if (ifp->dead && ip6_del_rt(ifp->rt))
dst_free(&ifp->rt->u.dst);
break;
}