401 	struct kern_ipc_perm *ipcp;  in sem_obtain_lock()  local
404 	ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);  in sem_obtain_lock()
405 	if (IS_ERR(ipcp))  in sem_obtain_lock()
406 		return ERR_CAST(ipcp);  in sem_obtain_lock()
408 	sma = container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_lock()
414 	if (ipc_valid_object(ipcp))  in sem_obtain_lock()
415 		return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_lock()
423 	struct kern_ipc_perm *ipcp = ipc_obtain_object_idr(&sem_ids(ns), id);  in sem_obtain_object()  local
425 	if (IS_ERR(ipcp))  in sem_obtain_object()
426 		return ERR_CAST(ipcp);  in sem_obtain_object()
428 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object()
434 	struct kern_ipc_perm *ipcp = ipc_obtain_object_check(&sem_ids(ns), id);  in sem_obtain_object_check()  local
436 	if (IS_ERR(ipcp))  in sem_obtain_object_check()
437 		return ERR_CAST(ipcp);  in sem_obtain_object_check()
439 	return container_of(ipcp, struct sem_array, sem_perm);  in sem_obtain_object_check()
559 static inline int sem_security(struct kern_ipc_perm *ipcp, int semflg)  in sem_security()  argument
563 	sma = container_of(ipcp, struct sem_array, sem_perm);  in sem_security()
570 static inline int sem_more_checks(struct kern_ipc_perm *ipcp,  in sem_more_checks()  argument
575 	sma = container_of(ipcp, struct sem_array, sem_perm);  in sem_more_checks()
1087 static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)  in freeary()  argument
1091 	struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);  in freeary()
1537 	struct kern_ipc_perm *ipcp;  in semctl_down()  local
1547 	ipcp = ipcctl_pre_down_nolock(ns, &sem_ids(ns), semid, cmd,  in semctl_down()
1549 	if (IS_ERR(ipcp)) {  in semctl_down()
1550 		err = PTR_ERR(ipcp);  in semctl_down()
1554 	sma = container_of(ipcp, struct sem_array, sem_perm);  in semctl_down()
1564 		freeary(ns, ipcp);  in semctl_down()
1568 		err = ipc_update_perm(&semid64.sem_perm, ipcp);  in semctl_down()