K 10 svn:author V 7 thompsa K 8 svn:date V 27 2009-10-29T23:18:59.152755Z K 7 svn:log V 200 MFC r197562 Add extra safety locking when clobbering xfer->flags_int.started in start and stop functions, because xfer->flags_int is also updated by the USB controller, under the controller lock. END