bug CS-15954: Corrected return status of get usage in vpc_netusage

status CS-15954: resolved fixed

core/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java

@@ -569,7 +569,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
     		s_logger.error("Unable to execute NetworkUsage command on DomR (" + privateIp + "), domR may not be ready yet. failure due to " 
     				+ VmwareHelper.getExceptionMessage(e), e);
     	}
-    	return null;
+    	return new NetworkUsageAnswer(cmd, "success", 0L, 0L);
     }
 
     private SetStaticRouteAnswer execute(SetStaticRouteCommand cmd) {

patches/systemvm/debian/config/opt/cloud/bin/vpc_netusage.sh

@@ -76,7 +76,7 @@ get_usage () {
     done
     rm /root/removedVifs
   fi     
-  return 1
+  return 0
 }
 
 get_vpn_usage () {