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netfilter: nf_nat_proto_icmpv6:: fix wrong comparison in icmpv6_manip_pkt

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In commit 58a317f1 (netfilter: ipv6: add IPv6 NAT support), icmpv6_manip_pkt
was added with an incorrect comparison of ICMP codes to types.  This causes
problems when using NAT rules with the --random option.  Correct the
comparison.

This closes netfilter bugzilla #851, reported by Alexander Neumann.

Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Phil Oester 2013-09-12 18:04:16 -07:00 committed by Pablo Neira Ayuso
parent c13a84a830
commit d830f0fa1d
1 changed files with 2 additions and 2 deletions
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4
net/ipv6/netfilter/nf_nat_proto_icmpv6.c
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@ -69,8 +69,8 @@ icmpv6_manip_pkt(struct sk_buff *skb,
hdr = (struct icmp6hdr *)(skb->data + hdroff);
l3proto->csum_update(skb, iphdroff, &hdr->icmp6_cksum,
tuple, maniptype);
if (hdr->icmp6_code == ICMPV6_ECHO_REQUEST ||
hdr->icmp6_code == ICMPV6_ECHO_REPLY) {
if (hdr->icmp6_type == ICMPV6_ECHO_REQUEST ||
hdr->icmp6_type == ICMPV6_ECHO_REPLY) {
inet_proto_csum_replace2(&hdr->icmp6_cksum, skb,
hdr->icmp6_identifier,
tuple->src.u.icmp.id, 0);