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-rw-r--r--udp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/udp.c b/udp.c
index c031a05..a3961bf 100644
--- a/udp.c
+++ b/udp.c
@@ -258,15 +258,16 @@ void udp_portmap_clear(void)
*/
static void udp_invert_portmap(struct udp_port_fwd *fwd)
{
- int i;
+ unsigned int i;
static_assert(ARRAY_SIZE(fwd->f.delta) == ARRAY_SIZE(fwd->rdelta),
"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[(in_port_t)i + delta] = NUM_PORTS - delta;
+ fwd->rdelta[rport] = NUM_PORTS - delta;
}
}