--- a/usbmgmt/usbmgr/host/functiondrivers/ms/msmm/server/src/subcommands.cpp	Thu Sep 02 22:23:37 2010 +0300
+++ b/usbmgmt/usbmgr/host/functiondrivers/ms/msmm/server/src/subcommands.cpp	Fri Sep 17 08:40:15 2010 +0300
@@ -152,6 +152,9 @@
     {
     OstTraceFunctionEntry0( TREGISTERINTERFACE_DOCANCELASYNCCMD_ENTRY );
 
+	TRequestStatus* status = &iHandler.Status();
+    User::RequestComplete(status, KErrCancel);
+
     if(iInterfaceNode)
         {
         iInterfaceNode->iUsbMsDevice.Remove();