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nf_nat_core: merge the same lines

PATCH Applied Changli Gao 2 participants 2 messages Jul 22, 2010 – Jul 23, 2010

Subsystems (3)
Networking Network drivers netfilter
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Changli Gao

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#0 lore raw

PATCH 1/1 nf_nat_core: merge the same lines

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 Changli Gao <[email protected]>

----

 net/ipv4/netfilter/nf_nat_core.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)
net/ipv4/netfilter/nf_nat_core.c +2 -7
index c7719b2..037a3a6 100644
@@ -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;
Applied
#1 lore raw
Quoted 1 line · Changli Gao

nf_nat_core: merge the same lines

Please prefix your subjects with "netfilter: " so I don't have to edit them every time.

Quoted 3 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().

Applied, thanks.