From 93fa159abe50d3c55c7f83622d3f5c09b6e06f4b Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Mon, 12 Apr 2010 05:41:31 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- net/ipv6/addrconf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 1b00bfef268e..a9913d23f7c7 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; }