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-rw-r--r--udp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/udp.c b/udp.c
index e79ca93..8181900 100644
--- a/udp.c
+++ b/udp.c
@@ -279,9 +279,10 @@ static void udp_invert_portmap(struct udp_fwd_ports *fwd)
"Forward and reverse delta arrays must have same size");
for (i = 0; i < ARRAY_SIZE(fwd->f.delta); i++) {
in_port_t delta = fwd->f.delta[i];
+ in_port_t rport = i + delta;
if (delta)
- fwd->rdelta[i + delta] = NUM_PORTS - delta;
+ fwd->rdelta[rport] = NUM_PORTS - delta;
}
}