commite09ee853c9upstream. The credentials handling was pushed to the write handlers but error handling wasn't done properly. Move write callbacks to completion queue to destroy them and to notify a blocked writer about the failure Fixes:136698e535(mei: push credentials inside the irq write handler) Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>