--- a/kernel/eka/kernel/sexec.cpp	Wed Aug 18 11:08:29 2010 +0300
+++ b/kernel/eka/kernel/sexec.cpp	Thu Sep 02 21:54:16 2010 +0300
@@ -2223,10 +2223,10 @@
 	__KTRACE_OPT(KBOOT,Kern::Printf("File server thread registered"));
 	DThread* pT = TheCurrentThread;
 	DProcess* pP = pT->iOwningProcess;
+	if (K::TheFileServerProcess && K::TheFileServerProcess!=pP)
+		K::PanicCurrentThread(EAccessDenied);
 	pP->iFlags |= (KThreadFlagProcessCritical | KProcessFlagSystemPermanent);
 	pT->iFlags |= KThreadFlagSystemPermanent;
-	if (K::TheFileServerProcess && K::TheFileServerProcess!=pP)
-		K::PanicCurrentThread(EAccessDenied);
 	K::TheFileServerProcess=pP;
 	K::ThreadEnterCS();
 	pP->SetPriority(EPriorityFileServer);