Index: base/setup/usetup/filesup.c
===================================================================
--- base/setup/usetup/filesup.c	(revision 70217)
+++ base/setup/usetup/filesup.c	(working copy)
@@ -48,8 +48,11 @@
     HANDLE DirectoryHandle;
     NTSTATUS Status;
 
-    RtlCreateUnicodeString(&PathName,
-                           DirectoryName);
+    if(!RtlCreateUnicodeString(&PathName, DirectoryName))
+    {
+        SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+        return STATUS_NO_MEMORY;
+    }
     if (PathName.Length > sizeof(WCHAR) &&
         PathName.Buffer[PathName.Length / sizeof(WCHAR) - 2] == L'\\' &&
         PathName.Buffer[PathName.Length / sizeof(WCHAR) - 1] == L'.')