From: Jarek Poplawski <jarkao2@gmail.com>
Date: Tue, 30 Jun 2009 19:47:19 +0000 (-0700)
Subject: ipv4: Fix fib_trie rebalancing, part 3
X-Git-Tag: v2.6.31-rc2~26^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=008440e3ad4b72f5048d1b1f6f5ed894fdc5ad08;p=pandora-kernel.git

ipv4: Fix fib_trie rebalancing, part 3

Alas current delaying of freeing old tnodes by RCU in trie_rebalance
is still not enough because we can free a top tnode before updating a
t->trie pointer.

Reported-by: Pawel Staszewski <pstaszewski@itcare.pl>
Tested-by: Pawel Staszewski <pstaszewski@itcare.pl>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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