613 static int shmctl_down(struct ipc_namespace *ns, int shmid, int cmd,  in shmctl_down()  argument
626 	ipcp = ipcctl_pre_down(ns, &shm_ids(ns), shmid, cmd,  in shmctl_down()
654 SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
660 	if (cmd < 0 || shmid < 0) {  in SYSCALL_DEFINE3()
726 			shp = shm_lock(ns, shmid);  in SYSCALL_DEFINE3()
733 			shp = shm_lock_check(ns, shmid);  in SYSCALL_DEFINE3()
769 		shp = shm_lock_check(ns, shmid);  in SYSCALL_DEFINE3()
810 		err = shmctl_down(ns, shmid, cmd, buf, version);  in SYSCALL_DEFINE3()
829 long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)  in do_shmat()  argument
846 	if (shmid < 0)  in do_shmat()
885 	shp = shm_lock_check(ns, shmid);  in do_shmat()
950 	shp = shm_lock(ns, shmid);  in do_shmat()
974 SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)  in SYSCALL_DEFINE3()  argument
979 	err = do_shmat(shmid, shmaddr, shmflg, &ret);  in SYSCALL_DEFINE3()