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netfilter: nf_conntrack_ipv6: fix comment for packets without data 

Remove ambiguity of double negation.

Signed-off-by: Florent Fourcot <florent.fourcot@enst-bretagne.fr>
Acked-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florent Fourcot 2012-12-14 00:53:33 +00:00 committed by Pablo Neira Ayuso
parent c65ef8dc7b
commit d7a769ff0e
1 changed files with 2 additions and 2 deletions
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4
net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
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@ -81,8 +81,8 @@ static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
}
protoff = ipv6_skip_exthdr(skb, extoff, &nexthdr, &frag_off);
/*
* (protoff == skb->len) mean that the packet doesn't have no data
* except of IPv6 & ext headers. but it's tracked anyway. - YK
* (protoff == skb->len) means the packet has not data, just
* IPv6 and possibly extensions headers, but it is tracked anyway
*/
if (protoff < 0 || (frag_off & htons(~0x7)) != 0) {
pr_debug("ip6_conntrack_core: can't find proto in pkt\n");