udp: Make rport calculation more local

cppcheck 2.14.1 complains about the rport variable not being in as small
as scope as it could be.  It's also only used once, so we might as well
just open code the calculation for it.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/udp.c b/udp.c
index 3abafc9..61e106a 100644
--- a/udp.c
+++ b/udp.c
@@ -277,10 +277,9 @@ 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[rport] = NUM_PORTS - delta;
+			fwd->rdelta[i + delta] = NUM_PORTS - delta;
 	}
 }