diff -r a5496987b1da -r 189ece41fa29 userlibandfileserver/fileserver/sfat32/sl_mnt32.cpp
--- a/userlibandfileserver/fileserver/sfat32/sl_mnt32.cpp	Thu Jul 01 17:57:33 2010 +0100
+++ b/userlibandfileserver/fileserver/sfat32/sl_mnt32.cpp	Fri Jul 09 13:13:20 2010 +0100
@@ -218,8 +218,8 @@
 void CFatMountCB::SetVolumeCleanL(TBool aClean) 
     {
 
-	//-- The volume can't be set clean if there are objects opened on it. This precondition must be checked before calling this function
-    if(aClean && LockStatus()!=0)
+	//-- The volume can't be set clean if there are disk access objects opened on it. This precondition must be checked before calling this function
+    if(aClean && Locked())
         {
         __PRINT1(_L("#- CFatMountCB::SetVolumeCleanL drive:%d isn't free!"),DriveNumber());
         ASSERT(0);