From: Mike Brady <mikebrady@eircom.net>
Date: Fri, 23 Nov 2018 13:39:23 +0000 (+0000)
Subject: Fix off-by-one error in UDP range counting
X-Git-Tag: 3.3RC0~148
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c5790de28b074376c628fd0acc70fd6bb38efe7;p=thirdparty%2Fshairport-sync.git

Fix off-by-one error in UDP range counting
---

diff --git a/common.c b/common.c
index f735dba4..9b1a5538 100644
--- a/common.c
+++ b/common.c
@@ -104,7 +104,7 @@ uint16_t nextFreeUDPPort() {
 	
 	if (UDPPortIndex == 0)
 		UDPPortIndex = config.udp_port_base;
-	else if (UDPPortIndex == (config.udp_port_base + config.udp_port_range))
+	else if (UDPPortIndex == (config.udp_port_base + config.udp_port_range - 1))
 		UDPPortIndex = config.udp_port_base;
 	else
 		UDPPortIndex++;