/* Initialize the Default Event */
KeInitializeEvent(&ObpDefaultObject, NotificationEvent, TRUE);
+ /* Initialize the Dos Device Map mutex */
+ KeInitializeGuardedMutex(&ObpDeviceMapLock);
+
/* Setup default access for the system process */
PsGetCurrentProcess()->GrantedAccess = PROCESS_ALL_ACCESS;
PsGetCurrentThread()->GrantedAccess = THREAD_ALL_ACCESS;