986 static int shmctl_down(struct ipc_namespace *ns, int shmid, int cmd,  in shmctl_down()  argument
996 	ipcp = ipcctl_obtain_check(ns, &shm_ids(ns), shmid, cmd,  in shmctl_down()
1075 static int shmctl_stat(struct ipc_namespace *ns, int shmid,  in shmctl_stat()  argument
1085 		shp = shm_obtain_object(ns, shmid);  in shmctl_stat()
1091 		shp = shm_obtain_object_check(ns, shmid);  in shmctl_stat()
1159 static int shmctl_do_lock(struct ipc_namespace *ns, int shmid, int cmd)  in shmctl_do_lock()  argument
1166 	shp = shm_obtain_object_check(ns, shmid);  in shmctl_do_lock()
1235 static long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf, int version)  in ksys_shmctl()  argument
1241 	if (cmd < 0 || shmid < 0)  in ksys_shmctl()
1268 		err = shmctl_stat(ns, shmid, cmd, &sem64);  in ksys_shmctl()
1280 		return shmctl_down(ns, shmid, cmd, &sem64);  in ksys_shmctl()
1283 		return shmctl_do_lock(ns, shmid, cmd);  in ksys_shmctl()
1289 SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
1291 	return ksys_shmctl(shmid, cmd, buf, IPC_64);  in SYSCALL_DEFINE3()
1295 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)  in ksys_old_shmctl()  argument
1299 	return ksys_shmctl(shmid, cmd, buf, version);  in ksys_old_shmctl()
1302 SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
1304 	return ksys_old_shmctl(shmid, cmd, buf);  in SYSCALL_DEFINE3()
1430 static long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr, int version)  in compat_ksys_shmctl()  argument
1438 	if (cmd < 0 || shmid < 0)  in compat_ksys_shmctl()
1463 		err = shmctl_stat(ns, shmid, cmd, &sem64);  in compat_ksys_shmctl()
1475 		return shmctl_down(ns, shmid, cmd, &sem64);  in compat_ksys_shmctl()
1478 		return shmctl_do_lock(ns, shmid, cmd);  in compat_ksys_shmctl()
1485 COMPAT_SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, void __user *, uptr)  in COMPAT_SYSCALL_DEFINE3()  argument
1487 	return compat_ksys_shmctl(shmid, cmd, uptr, IPC_64);  in COMPAT_SYSCALL_DEFINE3()
1491 long compat_ksys_old_shmctl(int shmid, int cmd, void __user *uptr)  in compat_ksys_old_shmctl()  argument
1495 	return compat_ksys_shmctl(shmid, cmd, uptr, version);  in compat_ksys_old_shmctl()
1498 COMPAT_SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, void __user *, uptr)  in COMPAT_SYSCALL_DEFINE3()  argument
1500 	return compat_ksys_old_shmctl(shmid, cmd, uptr);  in COMPAT_SYSCALL_DEFINE3()
1512 long do_shmat(int shmid, char __user *shmaddr, int shmflg,  in do_shmat()  argument
1529 	if (shmid < 0)  in do_shmat()
1575 	shp = shm_obtain_object_check(ns, shmid);  in do_shmat()
1670 	shp = shm_lock(ns, shmid);  in do_shmat()
1686 SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)  in SYSCALL_DEFINE3()  argument
1691 	err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA);  in SYSCALL_DEFINE3()
1704 COMPAT_SYSCALL_DEFINE3(shmat, int, shmid, compat_uptr_t, shmaddr, int, shmflg)  in COMPAT_SYSCALL_DEFINE3()  argument
1709 	err = do_shmat(shmid, compat_ptr(shmaddr), shmflg, &ret, COMPAT_SHMLBA);  in COMPAT_SYSCALL_DEFINE3()