static int msg_msg_alloc_security ( struct msg_msg * msg ) {
 struct msg_security_struct * msec ;
 msec = kzalloc ( sizeof ( struct msg_security_struct ) , GFP_KERNEL ) ;
 if ( ! msec ) return - ENOMEM ;
 msec -> sid = SECINITSID_UNLABELED ;
 msg -> security = msec ;
 return 0 ;
 }
static int msg_msg_alloc_security ( struct msg_msg * msg ) {
 struct msg_security_struct * msec ;
 msec = kzalloc ( sizeof ( struct msg_security_struct ) , GFP_KERNEL ) ;
 if ( ! msec ) return - ENOMEM ;
 msec -> sid = SECINITSID_UNLABELED ;
 msg -> security = msec ;
 return 0 ;
 }