Index: drivers/wdm/audio/backpln/portcls/port_wavepci.cpp
===================================================================
--- drivers/wdm/audio/backpln/portcls/port_wavepci.cpp	(revision 66099)
+++ drivers/wdm/audio/backpln/portcls/port_wavepci.cpp	(working copy)
@@ -228,7 +228,7 @@
     IN PRESOURCELIST  ResourceList)
 {
     IMiniportWavePci * Miniport;
-    PSERVICEGROUP ServiceGroup;
+    PSERVICEGROUP ServiceGroup = 0;
     NTSTATUS Status;
     PPINCOUNT PinCount;
     PPOWERNOTIFY PowerNotify;