477 	struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);  in sem_obtain_object()  local
479 	if (IS_ERR(ipcp))  in sem_obtain_object()
480 		return ERR_CAST(ipcp);  in sem_obtain_object()
482 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object()
488 	struct kern_ipc_perm *ipcp = ipc_obtain_object_check(&sem_ids(ns), id);  in sem_obtain_object_check()  local
490 	if (IS_ERR(ipcp))  in sem_obtain_object_check()
491 		return ERR_CAST(ipcp);  in sem_obtain_object_check()
493 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object_check()
588 static int sem_more_checks(struct kern_ipc_perm *ipcp, struct ipc_params *params)  in sem_more_checks()  argument
592 	sma = container_of(ipcp, struct sem_array, sem_perm);  in sem_more_checks()
1141 static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)  in freeary()  argument
1145 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in freeary()
1605 	struct kern_ipc_perm *ipcp;  in semctl_down()  local
1610 	ipcp = ipcctl_obtain_check(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1612 	if (IS_ERR(ipcp)) {  in semctl_down()
1613 		err = PTR_ERR(ipcp);  in semctl_down()
1617 	sma = container_of(ipcp, struct sem_array, sem_perm);  in semctl_down()
1627 		freeary(ns, ipcp);  in semctl_down()
1631 		err = ipc_update_perm(&semid64->sem_perm, ipcp);  in semctl_down()
2433 	struct kern_ipc_perm *ipcp = it;  in sysvipc_sem_proc_show()  local
2434 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in sysvipc_sem_proc_show()