vmware-iso: Fix error vnc min/max ports [GH-1288]

2014-08-18 20:15:15 -05:00 · 2014-08-18 20:15:15 -05:00 · 6acbc91ff7
parent 1e5d746783
commit 6acbc91ff7
1 changed files with 6 additions and 1 deletions
--- a/builder/vmware/iso/step_configure_vnc.go
+++ b/builder/vmware/iso/step_configure_vnc.go
@ -34,7 +34,12 @@ func (stepConfigureVNC) VNCAddress(portMin, portMax uint) (string, uint) {
 	var vncPort uint
 	portRange := int(portMax - portMin)
 	for {
-		vncPort = uint(rand.Intn(portRange)) + portMin
+		if portRange > 0 {
+			vncPort = uint(rand.Intn(portRange)) + portMin
+		} else {
+			vncPort = portMin
+		}
+
 		log.Printf("Trying port: %d", vncPort)
 		l, err := net.Listen("tcp", fmt.Sprintf(":%d", vncPort))
 		if err == nil {