diff --git a/reactos/drivers/net/ndis/ndis/stubs.c b/reactos/drivers/net/ndis/ndis/stubs.c
index d0d188ceb8a..96c5739360c 100644
--- a/reactos/drivers/net/ndis/ndis/stubs.c
+++ b/reactos/drivers/net/ndis/ndis/stubs.c
@@ -275,7 +275,7 @@ NdisOpenFile(
   NDIS_STRING FullFileName;
   OBJECT_ATTRIBUTES ObjectAttributes;
   PNDIS_HANDLE_OBJECT FileHandleObject = NULL;
-  //IO_STATUS_BLOCK IoStatusBlock;
+  IO_STATUS_BLOCK IoStatusBlock;
 
   ASSERT_IRQL(PASSIVE_LEVEL);
 
@@ -317,7 +317,7 @@ NdisOpenFile(
     &FileHandleObject->FileHandle,
     FILE_READ_DATA|SYNCHRONIZE,
     &ObjectAttributes,
-    NULL, //&IoStatusBlock, // PIO_STATUS_BLOCK
+    &IoStatusBlock,
     NULL, // PLARGE_INTEGER AllocationSize
     0, // ULONG FileAttributes
     FILE_SHARE_READ, // ULONG ShareAccess
diff --git a/reactos/lib/ntdll/ldr/utils.c b/reactos/lib/ntdll/ldr/utils.c
index a46105b665e..beb26ff44a3 100644
--- a/reactos/lib/ntdll/ldr/utils.c
+++ b/reactos/lib/ntdll/ldr/utils.c
@@ -1,4 +1,4 @@
-/* $Id: utils.c,v 1.72 2003/10/30 15:52:29 arty Exp $
+/* $Id: utils.c,v 1.73 2003/11/06 16:42:16 ekohl Exp $
  * 
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -346,6 +346,7 @@ LdrpMapDllImageFile(IN PWSTR SearchPath OPTIONAL,
   PIMAGE_NT_HEADERS     NTHeaders;
   PVOID                 ImageBase;
   ULONG                 ImageSize;
+  IO_STATUS_BLOCK       IoStatusBlock;
   NTSTATUS Status;
 
   DPRINT("LdrpMapDllImageFile() called\n");
@@ -390,7 +391,7 @@ LdrpMapDllImageFile(IN PWSTR SearchPath OPTIONAL,
   Status = ZwOpenFile(&FileHandle,
                       FILE_ALL_ACCESS,
                       &FileObjectAttributes,
-                      NULL,
+                      &IoStatusBlock,
                       0,
                       0);
   if (!NT_SUCCESS(Status))
@@ -406,7 +407,7 @@ LdrpMapDllImageFile(IN PWSTR SearchPath OPTIONAL,
                       0,
                       0,
                       0,
-                      0,
+                      &IoStatusBlock,
                       BlockBuffer,
                       sizeof(BlockBuffer),
                       0,
diff --git a/reactos/ntoskrnl/io/arcname.c b/reactos/ntoskrnl/io/arcname.c
index f8729d28f61..41465ade4c2 100644
--- a/reactos/ntoskrnl/io/arcname.c
+++ b/reactos/ntoskrnl/io/arcname.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: arcname.c,v 1.14 2003/10/12 17:05:44 hbirr Exp $
+/* $Id: arcname.c,v 1.15 2003/11/06 16:36:43 ekohl Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -184,9 +184,9 @@ IopCheckCdromDevices(PULONG DeviceNumber)
   HANDLE Handle;
   ULONG i;
   NTSTATUS Status;
+  IO_STATUS_BLOCK IoStatusBlock;
 #if 0
   PFILE_FS_VOLUME_INFORMATION FileFsVolume;
-  IO_STATUS_BLOCK IoStatusBlock;
   USHORT Buffer[FS_VOLUME_BUFFER_SIZE];
 
   FileFsVolume = (PFILE_FS_VOLUME_INFORMATION)Buffer;
@@ -211,7 +211,7 @@ IopCheckCdromDevices(PULONG DeviceNumber)
       Status = NtOpenFile(&Handle,
 			  FILE_ALL_ACCESS,
 			  &ObjectAttributes,
-			  NULL,
+			  &IoStatusBlock,
 			  0,
 			  0);
       DPRINT("NtOpenFile()  DeviceNumber %lu  Status %lx\n", i, Status);
@@ -252,7 +252,7 @@ IopCheckCdromDevices(PULONG DeviceNumber)
       Status = NtOpenFile(&Handle,
 			  FILE_ALL_ACCESS,
 			  &ObjectAttributes,
-			  NULL,
+			  &IoStatusBlock,
 			  0,
 			  0);
       DPRINT("NtOpenFile()  DeviceNumber %lu  Status %lx\n", i, Status);
@@ -277,6 +277,7 @@ NTSTATUS INIT_FUNCTION
 IoCreateSystemRootLink(PCHAR ParameterLine)
 {
   OBJECT_ATTRIBUTES ObjectAttributes;
+  IO_STATUS_BLOCK IoStatusBlock;
   UNICODE_STRING LinkName;
   UNICODE_STRING DeviceName;
   UNICODE_STRING ArcName;
@@ -435,7 +436,7 @@ IoCreateSystemRootLink(PCHAR ParameterLine)
   Status = NtOpenFile(&Handle,
 		      FILE_ALL_ACCESS,
 		      &ObjectAttributes,
-		      NULL,
+		      &IoStatusBlock,
 		      0,
 		      0);
   if (!NT_SUCCESS(Status))
diff --git a/reactos/ntoskrnl/ldr/init.c b/reactos/ntoskrnl/ldr/init.c
index 2dc9eaa1edf..946bacb73f6 100644
--- a/reactos/ntoskrnl/ldr/init.c
+++ b/reactos/ntoskrnl/ldr/init.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: init.c,v 1.41 2003/10/12 17:05:45 hbirr Exp $
+/* $Id: init.c,v 1.42 2003/11/06 16:37:28 ekohl Exp $
  *
  * PROJECT:         ReactOS kernel
  * FILE:            ntoskrnl/ldr/init.c
@@ -63,6 +63,7 @@ LdrpMapProcessImage(PHANDLE SectionHandle,
 		    PUNICODE_STRING ImagePath)
 {
   OBJECT_ATTRIBUTES ObjectAttributes;
+  IO_STATUS_BLOCK IoStatusBlock;
   HANDLE FileHandle;
   NTSTATUS Status;
 
@@ -77,7 +78,7 @@ LdrpMapProcessImage(PHANDLE SectionHandle,
   Status = NtOpenFile(&FileHandle,
 		      FILE_ALL_ACCESS,
 		      &ObjectAttributes,
-		      NULL,
+		      &IoStatusBlock,
 		      0,
 		      0);
   if (!NT_SUCCESS(Status))
diff --git a/reactos/ntoskrnl/ldr/sysdll.c b/reactos/ntoskrnl/ldr/sysdll.c
index 58ecd32b3a1..e00e1ca7b6c 100644
--- a/reactos/ntoskrnl/ldr/sysdll.c
+++ b/reactos/ntoskrnl/ldr/sysdll.c
@@ -101,7 +101,7 @@ NTSTATUS LdrpMapSystemDll(HANDLE ProcessHandle,
    Status = ZwOpenFile(&FileHandle,
 		       FILE_ALL_ACCESS,
 		       &FileObjectAttributes,
-		       NULL,
+		       &Iosb,
 		       FILE_SHARE_READ,
 		       FILE_SYNCHRONOUS_IO_NONALERT);
    if (!NT_SUCCESS(Status))