From edd501f59c957547c5098ad480c48dfdfa5adf7e Mon Sep 17 00:00:00 2001
From: Daniel Becker <razzfazz@gmail.com>
Date: Fri, 28 Feb 2014 14:47:53 -0800
Subject: [PATCH] miniupnpd/natpmp.c: return correct error code when all
 external ports in use

Instead of returning code 3 ("Network Failure"), we should the
more appropriate code 4 ("Out of resources") when no external
port is available for a mapping.
---
 miniupnpd/natpmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/miniupnpd/natpmp.c b/miniupnpd/natpmp.c
index c3d26ce..8238a11 100644
--- a/miniupnpd/natpmp.c
+++ b/miniupnpd/natpmp.c
@@ -291,7 +291,7 @@ void ProcessIncomingNATPMPPacket(int s, unsigned char *msg_buff, int len,
 							if(eport == eport_first) { /* no external port available */
 								syslog(LOG_ERR, "Failed to find available eport for NAT-PMP %hu %s->%s:%hu",
 								       eport, (proto==IPPROTO_TCP)?"tcp":"udp", senderaddrstr, iport);
-								resp[3] = 3;  /* Failure */
+								resp[3] = 4;  /* Out of resources */
 								break;
 							}
 							continue;