From c78f14cbc2fd45fc587f4a238c0a0bfc1d753be8 Mon Sep 17 00:00:00 2001
From: Anthony Xu <anthony.xu@citrix.com>
Date: Wed, 29 Oct 2014 17:05:42 -0700
Subject: [PATCH] fixed NPE

---
 server/src/com/cloud/resource/ResourceManagerImpl.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/com/cloud/resource/ResourceManagerImpl.java b/server/src/com/cloud/resource/ResourceManagerImpl.java
index c7ba80a07b7..a3413eb3b1c 100755
--- a/server/src/com/cloud/resource/ResourceManagerImpl.java
+++ b/server/src/com/cloud/resource/ResourceManagerImpl.java
@@ -2101,7 +2101,7 @@ public class ResourceManagerImpl extends ManagerBase implements ResourceManager,
         _haMgr.cancelScheduledMigrations(host);
         List<VMInstanceVO> vms = _haMgr.findTakenMigrationWork();
         for (VMInstanceVO vm : vms) {
-            if (vm.getHostId() != null && vm.getHostId() == hostId) {
+            if (vm != null && vm.getHostId() != null && vm.getHostId() == hostId) {
                 s_logger.info("Unable to cancel migration because the vm is being migrated: " + vm);
                 return false;
             }