[cwittich] 38994: error msg on bad call

Author: cwittich
Date: Wed Jan 21 07:27:18 2009
New Revision: 38994

URL: http://svn.reactos.org/svn/reactos?rev=38994&view=rev
Log:
error msg on bad call

Modified:
    trunk/reactos/dll/win32/kernel32/file/deviceio.c

Modified: trunk/reactos/dll/win32/kernel32/file/deviceio.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/kernel32/file/de…
==============================================================================
--- trunk/reactos/dll/win32/kernel32/file/deviceio.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/kernel32/file/deviceio.c [iso-8859-1] Wed Jan 21 07:27:18
2009
@@ -132,6 +132,10 @@
              /* lpBytesReturned must not be NULL here, in fact Win doesn't
                 check that case either and crashes (only after the operation
                 completed) */
+            if (!lpBytesReturned)
+            {
+                ERR("Bad caller: lpBytesReturned must not be NULL");
+            }
              *lpBytesReturned = Iosb.Information;
           }
         else
@@ -184,6 +188,10 @@
     }
   }
 
+  if (!lpNumberOfBytesTransferred)
+  {
+      ERR("Bad caller: lpNumberOfBytesTransferred must not be NULL");
+  }
   *lpNumberOfBytesTransferred = lpOverlapped->InternalHigh;
 
   if (!NT_SUCCESS(lpOverlapped->Internal))