From: [EMAIL PROTECTED]
Date: Thu, 10 Aug 2006 22:15:26 -0400
> On Sun, 06 Aug 2006 03:08:09 PDT, Andrew Morton said:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/
>
> After applying the patch that Patrick McHardy pointed me at, it lived
> longer. However, I'm now seeing problems at system shutdown (or anytime
> you try to 'ifdown ethX' where ethX has an IPv6 address attached to it):
This is cured by yet another fix already in the net-2.6.19
tree:
>From 7a3a5e6b0e6847749c756cbe4bf554eda063a577 Mon Sep 17 00:00:00 2001
From: Ville Nuorvala <[EMAIL PROTECTED]>
Date: Tue, 8 Aug 2006 16:44:17 -0700
Subject: [PATCH] [IPV6]: Make sure fib6_rule_lookup doesn't return NULL
The callers of fib6_rule_lookup don't expect it to return NULL,
therefore it must return ip6_null_entry whenever fib_rule_lookup fails.
Signed-off-by: Ville Nuorvala <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
net/ipv6/fib6_rules.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index bf9bba8..22a2fdb 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -63,7 +63,11 @@ struct dst_entry *fib6_rule_lookup(struc
if (arg.rule)
fib_rule_put(arg.rule);
- return (struct dst_entry *) arg.result;
+ if (arg.result)
+ return (struct dst_entry *) arg.result;
+
+ dst_hold(&ip6_null_entry.u.dst);
+ return &ip6_null_entry.u.dst;
}
static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
--
1.4.2.rc2.g3e042
-
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