480 	struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);  in sem_obtain_object()  local
482 	if (IS_ERR(ipcp))  in sem_obtain_object()
483 		return ERR_CAST(ipcp);  in sem_obtain_object()
485 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object()
491 	struct kern_ipc_perm *ipcp = ipc_obtain_object_check(&sem_ids(ns), id);  in sem_obtain_object_check()  local
493 	if (IS_ERR(ipcp))  in sem_obtain_object_check()
494 		return ERR_CAST(ipcp);  in sem_obtain_object_check()
496 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object_check()
591 static int sem_more_checks(struct kern_ipc_perm *ipcp, struct ipc_params *params)  in sem_more_checks()  argument
595 	sma = container_of(ipcp, struct sem_array, sem_perm);  in sem_more_checks()
1143 static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)  in freeary()  argument
1147 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in freeary()
1606 	struct kern_ipc_perm *ipcp;  in semctl_down()  local
1611 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1613 	if (IS_ERR(ipcp)) {  in semctl_down()
1614 		err = PTR_ERR(ipcp);  in semctl_down()
1618 	sma = container_of(ipcp, struct sem_array, sem_perm);  in semctl_down()
1628 		freeary(ns, ipcp);  in semctl_down()
1632 		err = ipc_update_perm(&semid64->sem_perm, ipcp);  in semctl_down()
2452 	struct kern_ipc_perm *ipcp = it;  in sysvipc_sem_proc_show()  local
2453 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in sysvipc_sem_proc_show()