458 	struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);  in sem_obtain_object()  local
460 	if (IS_ERR(ipcp))  in sem_obtain_object()
461 		return ERR_CAST(ipcp);  in sem_obtain_object()
463 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object()
469 	struct kern_ipc_perm *ipcp = ipc_obtain_object_check(&sem_ids(ns), id);  in sem_obtain_object_check()  local
471 	if (IS_ERR(ipcp))  in sem_obtain_object_check()
472 		return ERR_CAST(ipcp);  in sem_obtain_object_check()
474 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object_check()
569 static inline int sem_more_checks(struct kern_ipc_perm *ipcp,  in sem_more_checks()  argument
574 	sma = container_of(ipcp, struct sem_array, sem_perm);  in sem_more_checks()
1124 static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)  in freeary()  argument
1128 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in freeary()
1588 	struct kern_ipc_perm *ipcp;  in semctl_down()  local
1593 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1595 	if (IS_ERR(ipcp)) {  in semctl_down()
1596 		err = PTR_ERR(ipcp);  in semctl_down()
1600 	sma = container_of(ipcp, struct sem_array, sem_perm);  in semctl_down()
1610 		freeary(ns, ipcp);  in semctl_down()
1614 		err = ipc_update_perm(&semid64->sem_perm, ipcp);  in semctl_down()
2417 	struct kern_ipc_perm *ipcp = it;  in sysvipc_sem_proc_show()  local
2418 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in sysvipc_sem_proc_show()