From 7c72aa96dad1b0a5563aec938ffbe828c6939f0a Mon Sep 17 00:00:00 2001
From: Darren Shepherd <darren.s.shepherd@gmail.com>
Date: Fri, 4 Oct 2013 16:55:10 -0700
Subject: [PATCH] ConcurrentHashMap will through NPE on null key

---
 .../datastore/provider/DataStoreProviderManagerImpl.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/engine/storage/src/org/apache/cloudstack/storage/datastore/provider/DataStoreProviderManagerImpl.java b/engine/storage/src/org/apache/cloudstack/storage/datastore/provider/DataStoreProviderManagerImpl.java
index c5d904be8b8..e186bd82017 100644
--- a/engine/storage/src/org/apache/cloudstack/storage/datastore/provider/DataStoreProviderManagerImpl.java
+++ b/engine/storage/src/org/apache/cloudstack/storage/datastore/provider/DataStoreProviderManagerImpl.java
@@ -58,6 +58,9 @@ public class DataStoreProviderManagerImpl extends ManagerBase implements DataSto
 
     @Override
     public DataStoreProvider getDataStoreProvider(String name) {
+        if (name == null)
+            return null;
+
         return providerMap.get(name);
     }