From 08fe29a8696a2c77c1d24a637dfb54af2537afe7 Mon Sep 17 00:00:00 2001
From: Michael Bien <mbien@fh-landshut.de>
Date: Wed, 9 Feb 2011 18:16:23 +0100
Subject: fixed NPE in CLContext.release() which was indroduced in last commit.

---
 src/com/jogamp/opencl/CLContext.java | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'src/com/jogamp/opencl')

diff --git a/src/com/jogamp/opencl/CLContext.java b/src/com/jogamp/opencl/CLContext.java
index b7ddb813..240f6d00 100644
--- a/src/com/jogamp/opencl/CLContext.java
+++ b/src/com/jogamp/opencl/CLContext.java
@@ -483,9 +483,11 @@ public class CLContext extends CLObject implements CLResource {
     
     private void release(Collection<? extends CLResource> resources) {
         // resources remove themselves when released, see above
-        CLResource[] array = resources.toArray(new CLResource[resources.size()]);
-        for (CLResource resource : array) {
-            resource.release();
+        if(!resources.isEmpty()) {
+            CLResource[] array = resources.toArray(new CLResource[resources.size()]);
+            for (CLResource resource : array) {
+                resource.release();
+            }
         }
     }
 
@@ -501,7 +503,10 @@ public class CLContext extends CLObject implements CLResource {
             release(samplers);
 
             for (CLDevice device : getDevices()) {
-                release(queuesMap.get(device));
+                Collection<CLCommandQueue> queues = queuesMap.get(device);
+                if(queues != null) {
+                    release(queues);
+                }
             }
 
         }finally{
-- 
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