From 9b0113e6b0bf736218324f29978f215e02387080 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=B6ller?= <mmoeller@openhardwaremonitor.org>
Date: Sat, 15 May 2010 11:20:50 +0000
Subject: [PATCH] Fixed the following NullReferenceException:
 System.NullReferenceException:    in
 OpenHardwareMonitor.Hardware.Nvidia.NvidiaGroup..ctor()    in
 OpenHardwareMonitor.Hardware.Computer.Open()    in
 OpenHardwareMonitor.GUI.MainForm..ctor()    in
 OpenHardwareMonitor.Program.Main()

---
 Hardware/Nvidia/NvidiaGroup.cs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Hardware/Nvidia/NvidiaGroup.cs b/Hardware/Nvidia/NvidiaGroup.cs
index 60354f7..ff39001 100644
--- a/Hardware/Nvidia/NvidiaGroup.cs
+++ b/Hardware/Nvidia/NvidiaGroup.cs
@@ -55,7 +55,13 @@ namespace OpenHardwareMonitor.Hardware.Nvidia {
 
       NvPhysicalGpuHandle[] handles = 
         new NvPhysicalGpuHandle[NVAPI.MAX_PHYSICAL_GPUS];
-  
+
+      if (NVAPI.NvAPI_EnumPhysicalGPUs == null) {
+        report.AppendLine("Error: NvAPI_EnumPhysicalGPUs not available");
+        report.AppendLine();
+        return;
+      }
+
       int count;
       if (NVAPI.NvAPI_EnumPhysicalGPUs(handles, out count) != NvStatus.OK)
         return;