134 	struct nmdmsoftc *ns = np->np_pair;  in nmdm_free()  local
144 	mtx_lock(&ns->ns_mtx);  in nmdm_free()
147 		mtx_unlock(&ns->ns_mtx);  in nmdm_free()
150 	mtx_destroy(&ns->ns_mtx);  in nmdm_free()
151 	free(ns, M_NMDM);  in nmdm_free()
159 	struct nmdmsoftc *ns;  in nmdm_clone()  local
178 	ns = malloc(sizeof(*ns), M_NMDM, M_WAITOK | M_ZERO);  in nmdm_clone()
179 	mtx_init(&ns->ns_mtx, "nmdm", NULL, MTX_DEF);  in nmdm_clone()
182 	ns->ns_part1.np_pair = ns;  in nmdm_clone()
183 	ns->ns_part1.np_other = &ns->ns_part2;  in nmdm_clone()
184 	TASK_INIT(&ns->ns_part1.np_task, 0, nmdm_task_tty, &ns->ns_part1);  in nmdm_clone()
185 	callout_init_mtx(&ns->ns_part1.np_callout, &ns->ns_mtx, 0);  in nmdm_clone()
187 	ns->ns_part2.np_pair = ns;  in nmdm_clone()
188 	ns->ns_part2.np_other = &ns->ns_part1;  in nmdm_clone()
189 	TASK_INIT(&ns->ns_part2.np_task, 0, nmdm_task_tty, &ns->ns_part2);  in nmdm_clone()
190 	callout_init_mtx(&ns->ns_part2.np_callout, &ns->ns_mtx, 0);  in nmdm_clone()
193 	tp = ns->ns_part1.np_tty = tty_alloc_mutex(&nmdm_class, &ns->ns_part1,  in nmdm_clone()
194 	    &ns->ns_mtx);  in nmdm_clone()
200 		mtx_destroy(&ns->ns_mtx);  in nmdm_clone()
201 		free(ns, M_NMDM);  in nmdm_clone()
205 	tp = ns->ns_part2.np_tty = tty_alloc_mutex(&nmdm_class, &ns->ns_part2,  in nmdm_clone()
206 	    &ns->ns_mtx);  in nmdm_clone()
212 		mtx_lock(&ns->ns_mtx);  in nmdm_clone()
214 		ns->ns_part1.np_other = NULL;  in nmdm_clone()
216 		tty_rel_gone(ns->ns_part1.np_tty);  in nmdm_clone()
221 		*dev = ns->ns_part1.np_tty->t_dev;  in nmdm_clone()
223 		*dev = ns->ns_part2.np_tty->t_dev;  in nmdm_clone()