diff -r c7a0ce20c48c -r a77889bee936 userlibandfileserver/fileserver/sfat32/sl_mnt.cpp
--- a/userlibandfileserver/fileserver/sfat32/sl_mnt.cpp	Fri Aug 06 16:34:38 2010 +0100
+++ b/userlibandfileserver/fileserver/sfat32/sl_mnt.cpp	Thu Aug 12 11:55:14 2010 +0100
@@ -4213,7 +4213,7 @@
     if(bProblemsFound && chkDskRes == CScanDrive::ENoErrors)
         {//-- ScanDrive in this mode can leave unexpectedly without setting an error code that is returned by ProblemsDiscovered();
          //-- leave itself means a problem
-        chkDskRes = CScanDrive::EUnknownError;
+        chkDskRes = nScnDrvRes == KErrNone ? CScanDrive::EUnknownError : (CScanDrive::TGenericError) nScnDrvRes;
         }
 
     delete pScnDrv;