K 10 svn:author V 8 rmacklem K 8 svn:date V 27 2012-12-18T00:25:48.383512Z K 7 svn:log V 462 Piete.Brooks at cl.cam.ac.uk reported via email a crash which was caused by use of an invalid kgss_gssd_handle during an upcall to the gssd daemon when it has exited. This patch seems to avoid the crashes by holding a reference count on the kgss_gssd_handle until the upcall is done. It also adds a new mutex kgss_gssd_lock used to make manipulation of kgss_gssd_handle SMP safe. Tested by: Illias A. Marinos, Herbert Poeckl Reviewed by: jhb MFC after: 2 weeks END