306 			   struct kern_ipc_perm *ipcp,  in ipc_check_perms()  argument
312 	if (ipcperms(ns, ipcp, params->flg))  in ipc_check_perms()
315 		err = ops->associate(ipcp, params->flg);  in ipc_check_perms()
317 			err = ipcp->id;  in ipc_check_perms()
340 	struct kern_ipc_perm *ipcp;  in ipcget_public()  local
349 	ipcp = ipc_findkey(ids, params->key);  in ipcget_public()
350 	if (ipcp == NULL) {  in ipcget_public()
364 				err = ops->more_checks(ipcp, params);  in ipcget_public()
370 				err = ipc_check_perms(ns, ipcp, ops, params);  in ipcget_public()
372 		ipc_unlock(ipcp);  in ipcget_public()
388 void ipc_rmid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp)  in ipc_rmid()  argument
390 	int lid = ipcid_to_idx(ipcp->id);  in ipc_rmid()
394 	ipcp->deleted = true;  in ipc_rmid()
484 int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flag)  in ipcperms()  argument
489 	audit_ipc_obj(ipcp);  in ipcperms()
491 	granted_mode = ipcp->mode;  in ipcperms()
492 	if (uid_eq(euid, ipcp->cuid) ||  in ipcperms()
493 	    uid_eq(euid, ipcp->uid))  in ipcperms()
495 	else if (in_group_p(ipcp->cgid) || in_group_p(ipcp->gid))  in ipcperms()
502 	return security_ipc_permission(ipcp, flag);  in ipcperms()
693 	struct kern_ipc_perm *ipcp;  in ipcctl_pre_down_nolock()  local
695 	ipcp = ipc_obtain_object_check(ids, id);  in ipcctl_pre_down_nolock()
696 	if (IS_ERR(ipcp)) {  in ipcctl_pre_down_nolock()
697 		err = PTR_ERR(ipcp);  in ipcctl_pre_down_nolock()
701 	audit_ipc_obj(ipcp);  in ipcctl_pre_down_nolock()
707 	if (uid_eq(euid, ipcp->cuid) || uid_eq(euid, ipcp->uid)  ||  in ipcctl_pre_down_nolock()
709 		return ipcp; /* successful lookup */  in ipcctl_pre_down_nolock()