54 	struct kern_ipc_perm	shm_perm;  member
89 	ipc_unlock(&(shp)->shm_perm)
117 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in do_shm_rmid()
120 		shp->shm_perm.mode |= SHM_DEST;  in do_shm_rmid()
122 		ipc_set_key_private(&shm_ids(ns), &shp->shm_perm);  in do_shm_rmid()
163 	return container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_obtain_object()
173 	return container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_obtain_object_check()
198 		return container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_lock()
215 	ipc_lock_object(&ipcp->shm_perm);  in shm_lock_by_ptr()
223 							shm_perm);  in shm_rcu_free()
224 	security_shm_free(&shp->shm_perm);  in shm_rcu_free()
231 	ipc_rmid(&shm_ids(ns), &s->shm_perm);  in shm_rmid()
296 	ipc_rcu_putref(&shp->shm_perm, shm_rcu_free);  in shm_destroy()
313 		(shp->shm_perm.mode & SHM_DEST));  in shm_may_destroy()
356 	struct shmid_kernel *shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_try_destroy_orphaned()
626 	shp->shm_perm.key = key;  in newseg()
627 	shp->shm_perm.mode = (shmflg & S_IRWXUGO);  in newseg()
630 	shp->shm_perm.security = NULL;  in newseg()
631 	error = security_shm_alloc(&shp->shm_perm);  in newseg()
679 	error = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);  in newseg()
689 	file_inode(file)->i_ino = shp->shm_perm.id;  in newseg()
692 	error = shp->shm_perm.id;  in newseg()
694 	ipc_unlock_object(&shp->shm_perm);  in newseg()
704 	ipc_rcu_putref(&shp->shm_perm, shm_rcu_free);  in newseg()
707 	call_rcu(&shp->shm_perm.rcu, shm_rcu_free);  in newseg()
719 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_more_checks()
760 		ipc64_perm_to_ipc_perm(&in->shm_perm, &out.shm_perm);  in copy_shmid_to_user()
791 		out->shm_perm.uid	= tbuf_old.shm_perm.uid;  in copy_shmid_from_user()
792 		out->shm_perm.gid	= tbuf_old.shm_perm.gid;  in copy_shmid_from_user()
793 		out->shm_perm.mode	= tbuf_old.shm_perm.mode;  in copy_shmid_from_user()
878 		shp = container_of(ipc, struct shmid_kernel, shm_perm);  in shm_get_stat()
902 				      &shmid64->shm_perm, 0);  in shmctl_down()
908 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in shmctl_down()
910 	err = security_shm_shmctl(&shp->shm_perm, cmd);  in shmctl_down()
916 		ipc_lock_object(&shp->shm_perm);  in shmctl_down()
921 		ipc_lock_object(&shp->shm_perm);  in shmctl_down()
922 		err = ipc_update_perm(&shmid64->shm_perm, ipcp);  in shmctl_down()
933 	ipc_unlock_object(&shp->shm_perm);  in shmctl_down()
1011 		audit_ipc_obj(&shp->shm_perm);  in shmctl_stat()
1014 		if (ipcperms(ns, &shp->shm_perm, S_IRUGO))  in shmctl_stat()
1018 	err = security_shm_shmctl(&shp->shm_perm, cmd);  in shmctl_stat()
1022 	ipc_lock_object(&shp->shm_perm);  in shmctl_stat()
1024 	if (!ipc_valid_object(&shp->shm_perm)) {  in shmctl_stat()
1025 		ipc_unlock_object(&shp->shm_perm);  in shmctl_stat()
1030 	kernel_to_ipc64_perm(&shp->shm_perm, &tbuf->shm_perm);  in shmctl_stat()
1055 		err = shp->shm_perm.id;  in shmctl_stat()
1058 	ipc_unlock_object(&shp->shm_perm);  in shmctl_stat()
1077 	audit_ipc_obj(&(shp->shm_perm));  in shmctl_do_lock()
1078 	err = security_shm_shmctl(&shp->shm_perm, cmd);  in shmctl_do_lock()
1082 	ipc_lock_object(&shp->shm_perm);  in shmctl_do_lock()
1085 	if (!ipc_valid_object(&shp->shm_perm)) {  in shmctl_do_lock()
1093 		if (!uid_eq(euid, shp->shm_perm.uid) &&  in shmctl_do_lock()
1094 		    !uid_eq(euid, shp->shm_perm.cuid)) {  in shmctl_do_lock()
1112 		if (!err && !(shp->shm_perm.mode & SHM_LOCKED)) {  in shmctl_do_lock()
1113 			shp->shm_perm.mode |= SHM_LOCKED;  in shmctl_do_lock()
1120 	if (!(shp->shm_perm.mode & SHM_LOCKED))  in shmctl_do_lock()
1123 	shp->shm_perm.mode &= ~SHM_LOCKED;  in shmctl_do_lock()
1126 	ipc_unlock_object(&shp->shm_perm);  in shmctl_do_lock()
1134 	ipc_unlock_object(&shp->shm_perm);  in shmctl_do_lock()
1216 	struct compat_ipc_perm shm_perm;  member
1294 		to_compat_ipc64_perm(&v.shm_perm, &in->shm_perm);  in copy_compat_shmid_to_user()
1309 		to_compat_ipc_perm(&v.shm_perm, &in->shm_perm);  in copy_compat_shmid_to_user()
1310 		v.shm_perm.key = in->shm_perm.key;  in copy_compat_shmid_to_user()
1328 		return get_compat_ipc64_perm(&out->shm_perm, &p->shm_perm);  in copy_compat_shmid_from_user()
1331 		return get_compat_ipc_perm(&out->shm_perm, &p->shm_perm);  in copy_compat_shmid_from_user()
1488 	if (ipcperms(ns, &shp->shm_perm, acc_mode))  in do_shmat()
1491 	err = security_shm_shmat(&shp->shm_perm, shmaddr, shmflg);  in do_shmat()
1495 	ipc_lock_object(&shp->shm_perm);  in do_shmat()
1498 	if (!ipc_valid_object(&shp->shm_perm)) {  in do_shmat()
1499 		ipc_unlock_object(&shp->shm_perm);  in do_shmat()
1516 	ipc_unlock_object(&shp->shm_perm);  in do_shmat()
1537 	sfd->id = shp->shm_perm.id;  in do_shmat()
1747 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in sysvipc_shm_proc_show()
1760 		   shp->shm_perm.key,  in sysvipc_shm_proc_show()
1761 		   shp->shm_perm.id,  in sysvipc_shm_proc_show()
1762 		   shp->shm_perm.mode,  in sysvipc_shm_proc_show()
1767 		   from_kuid_munged(user_ns, shp->shm_perm.uid),  in sysvipc_shm_proc_show()
1768 		   from_kgid_munged(user_ns, shp->shm_perm.gid),  in sysvipc_shm_proc_show()
1769 		   from_kuid_munged(user_ns, shp->shm_perm.cuid),  in sysvipc_shm_proc_show()
1770 		   from_kgid_munged(user_ns, shp->shm_perm.cgid),  in sysvipc_shm_proc_show()