From f9bb54d7e2f96ebd2570a3f2389a5672377b02a5 Mon Sep 17 00:00:00 2001
From: anthony <anthony@cloud.com>
Date: Fri, 10 Sep 2010 13:03:08 -0700
Subject: [PATCH] use -1 instead of null

---
 .../hypervisor/xen/resource/CitrixResourceBase.java      | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java b/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
index 50f505025fc..c83ee3f189d 100644
--- a/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
+++ b/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
@@ -1946,22 +1946,21 @@ public abstract class CitrixResourceBase implements StoragePoolResource, ServerR
             for (VIF vif : vifs) {
                 Network network = vif.getNetwork(conn);
                 Set<PIF> pifs = network.getPIFs(conn);
-                Long vlan = null;
+                long vlan = -1;
                 PIF npif = null;
                 for (PIF pif : pifs) {
                     try {
                         vlan = pif.getVLAN(conn);
-                        if (vlan != null) {
+                        if (vlan != -1 ) {
                             VLAN vland = pif.getVLANMasterOf(conn);
                             npif = vland.getTaggedPIF(conn);
-                            break;
                         }
+                        break;
                     }catch (Exception e) {
-                        vlan = null;
                         continue;
                     }
                 }
-                if (vlan == null) {
+                if (npif == null)  {
                     continue;
                 }
                 network = npif.getNetwork(conn);