[hpoussin] 15379: Don't empty the DriverObject extension if it is already initialized and filled

Don't empty the DriverObject extension if it is already initialized and
filled
Modified: trunk/reactos/ntoskrnl/io/driver.c
  _____  

Modified: trunk/reactos/ntoskrnl/io/driver.c
--- trunk/reactos/ntoskrnl/io/driver.c	2005-05-17 17:28:40 UTC (rev
15378)
+++ trunk/reactos/ntoskrnl/io/driver.c	2005-05-17 17:39:50 UTC (rev
15379)
@@ -217,7 +217,15 @@

    {
       return Status;
    }
-   
+
+   if (Status == STATUS_OBJECT_EXISTS)
+   {
+      /* The driver object already exists, so it is already
+       * initialized. Don't initialize it once more. */
+      *DriverObject = Object;
+      return STATUS_SUCCESS;
+   }
+
      /* Create driver extension */
    Object->DriverExtension = (PDRIVER_EXTENSION)
       ExAllocatePoolWithTag(