From: Haibo Xi <haibbo@gmail.com>
Date: Thu, 6 Dec 2012 23:42:17 +0000 (+0000)
Subject: netfilter: nf_ct_reasm: fix conntrack reassembly expire code
X-Git-Tag: v3.8-rc3~8^2~14^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97cf00e93cc24898493e7a058105e3215257ee04;p=pandora-kernel.git

netfilter: nf_ct_reasm: fix conntrack reassembly expire code

Commit b836c99fd6c9 (ipv6: unify conntrack reassembly expire
code with standard one) use the standard IPv6 reassembly
code(ip6_expire_frag_queue) to handle conntrack reassembly expire.

In ip6_expire_frag_queue, it invoke dev_get_by_index_rcu to get
which device received this expired packet.so we must save ifindex
when NF_conntrack get this packet.

With this patch applied, I can see ICMP Time Exceeded sent
from the receiver when the sender sent out 1/2 fragmented
IPv6 packet.

Signed-off-by: Haibo Xi <haibbo@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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