Commit c36952e5 authored by Changli Gao's avatar Changli Gao Committed by Patrick McHardy

netfilter: nf_nat_core: merge the same lines

proto->unique_tuple() will be called finally, if the previous calls fail. This
patch checks the false condition of (range->flags &IP_NAT_RANGE_PROTO_RANDOM)
instead to avoid duplicate line of code: proto->unique_tuple().
Signed-off-by: default avatarChangli Gao <xiaosuo@gmail.com>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
parent e8648a1f
......@@ -261,14 +261,9 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple,
rcu_read_lock();
proto = __nf_nat_proto_find(orig_tuple->dst.protonum);
/* Change protocol info to have some randomization */
if (range->flags & IP_NAT_RANGE_PROTO_RANDOM) {
proto->unique_tuple(tuple, range, maniptype, ct);
goto out;
}
/* Only bother mapping if it's not already in range and unique */
if ((!(range->flags & IP_NAT_RANGE_PROTO_SPECIFIED) ||
if (!(range->flags & IP_NAT_RANGE_PROTO_RANDOM) &&
(!(range->flags & IP_NAT_RANGE_PROTO_SPECIFIED) ||
proto->in_range(tuple, maniptype, &range->min, &range->max)) &&
!nf_nat_used_tuple(tuple, ct))
goto out;
......
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