wserno_list_t
mdb_free(sernop, sizeof (wserno_list_t) * m.max_cmd);
wserno_list_t *sernop, *sp, *newsp, *sphead = NULL;
sernop = mdb_alloc(sizeof (wserno_list_t) * m.max_cmd, UM_SLEEP);
bzero(sernop, sizeof (wserno_list_t) * m.max_cmd);