890 static int shmctl_down(struct ipc_namespace *ns, int shmid, int cmd,  in shmctl_down()  argument
900 	ipcp = ipcctl_obtain_check(ns, &shm_ids(ns), shmid, cmd,  in shmctl_down()
979 static int shmctl_stat(struct ipc_namespace *ns, int shmid,  in shmctl_stat()  argument
989 		shp = shm_obtain_object(ns, shmid);  in shmctl_stat()
995 		shp = shm_obtain_object_check(ns, shmid);  in shmctl_stat()
1063 static int shmctl_do_lock(struct ipc_namespace *ns, int shmid, int cmd)  in shmctl_do_lock()  argument
1070 	shp = shm_obtain_object_check(ns, shmid);  in shmctl_do_lock()
1139 static long ksys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf, int version)  in ksys_shmctl()  argument
1145 	if (cmd < 0 || shmid < 0)  in ksys_shmctl()
1172 		err = shmctl_stat(ns, shmid, cmd, &sem64);  in ksys_shmctl()
1184 		return shmctl_down(ns, shmid, cmd, &sem64);  in ksys_shmctl()
1187 		return shmctl_do_lock(ns, shmid, cmd);  in ksys_shmctl()
1193 SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
1195 	return ksys_shmctl(shmid, cmd, buf, IPC_64);  in SYSCALL_DEFINE3()
1199 long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)  in ksys_old_shmctl()  argument
1203 	return ksys_shmctl(shmid, cmd, buf, version);  in ksys_old_shmctl()
1206 SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
1208 	return ksys_old_shmctl(shmid, cmd, buf);  in SYSCALL_DEFINE3()
1334 static long compat_ksys_shmctl(int shmid, int cmd, void __user *uptr, int version)  in compat_ksys_shmctl()  argument
1342 	if (cmd < 0 || shmid < 0)  in compat_ksys_shmctl()
1367 		err = shmctl_stat(ns, shmid, cmd, &sem64);  in compat_ksys_shmctl()
1379 		return shmctl_down(ns, shmid, cmd, &sem64);  in compat_ksys_shmctl()
1382 		return shmctl_do_lock(ns, shmid, cmd);  in compat_ksys_shmctl()
1389 COMPAT_SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, void __user *, uptr)  in COMPAT_SYSCALL_DEFINE3()  argument
1391 	return compat_ksys_shmctl(shmid, cmd, uptr, IPC_64);  in COMPAT_SYSCALL_DEFINE3()
1395 long compat_ksys_old_shmctl(int shmid, int cmd, void __user *uptr)  in compat_ksys_old_shmctl()  argument
1399 	return compat_ksys_shmctl(shmid, cmd, uptr, version);  in compat_ksys_old_shmctl()
1402 COMPAT_SYSCALL_DEFINE3(old_shmctl, int, shmid, int, cmd, void __user *, uptr)  in COMPAT_SYSCALL_DEFINE3()  argument
1404 	return compat_ksys_old_shmctl(shmid, cmd, uptr);  in COMPAT_SYSCALL_DEFINE3()
1416 long do_shmat(int shmid, char __user *shmaddr, int shmflg,  in do_shmat()  argument
1433 	if (shmid < 0)  in do_shmat()
1479 	shp = shm_obtain_object_check(ns, shmid);  in do_shmat()
1574 	shp = shm_lock(ns, shmid);  in do_shmat()
1589 SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)  in SYSCALL_DEFINE3()  argument
1594 	err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA);  in SYSCALL_DEFINE3()
1607 COMPAT_SYSCALL_DEFINE3(shmat, int, shmid, compat_uptr_t, shmaddr, int, shmflg)  in COMPAT_SYSCALL_DEFINE3()  argument
1612 	err = do_shmat(shmid, compat_ptr(shmaddr), shmflg, &ret, COMPAT_SHMLBA);  in COMPAT_SYSCALL_DEFINE3()