[PATCH][IPv6][IPsec] stop infinite loop

[Kazunori Miyazawa <kazunori@xxxxxxxxxxxx>]

Hello,

IPv6 IPsec tunnel mode of linux-2.6.12-rc3 does not work
on my PCs. It seems to be infinitely looped.

I think dst_check causes it because it exptects the obsolete
of normal dst (I mean not xfrm) is 0 but ip6_route_add sets it -1.
This patch changes the default value of the obsolete.
This patch is for linux-2.6.12-rc3.

I will not be able to response quickly because I'm in holidays :-)

Signed-off-by Kazunori Miyazawa <kazunori@xxxxxxxxxxxx>

diff -ruN a/net/ipv6/route.c b/net/ipv6/route.c
--- a/net/ipv6/route.c  2005-04-30 10:27:49.000000000 +0900
+++ b/net/ipv6/route.c  2005-04-30 10:34:04.000000000 +0900
@@ -113,7 +113,7 @@
                        .__refcnt       = ATOMIC_INIT(1),
                        .__use          = 1,
                        .dev            = &loopback_dev,
-                       .obsolete       = -1,
+                       .obsolete       = 0,
                        .error          = -ENETUNREACH,
                        .metrics        = { [RTAX_HOPLIMIT - 1] = 255, },
                        .input          = ip6_pkt_discard,
@@ -825,7 +825,7 @@
                goto out;
        }

-       rt->u.dst.obsolete = -1;
+       rt->u.dst.obsolete = 0;
        rt->rt6i_expires = clock_t_to_jiffies(rtmsg->rtmsg_info);
        if (nlh && (r = NLMSG_DATA(nlh))) {
                rt->rt6i_protocol = r->rtm_protocol;
@@ -1407,7 +1407,7 @@
        rt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(rt->rt6i_dev);
        rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&rt->u.dst));
        rt->u.dst.metrics[RTAX_HOPLIMIT-1] = -1;
-       rt->u.dst.obsolete = -1;
+       rt->u.dst.obsolete = 0;

        rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
        if (!anycast)