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>

diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 00ee17c3e8939b1076ae2c2026ed6dfa1b3f68de..137e245860ab41a9ec923a8655f538c8cc8d4e52 100644 (file)
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -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");