379 static int msgctl_down(struct ipc_namespace *ns, int msqid, int cmd,  in msgctl_down()  argument
389 	ipcp = ipcctl_obtain_check(ns, &msg_ids(ns), msqid, cmd,  in msgctl_down()
398 	err = security_msg_queue_msgctl(&msq->q_perm, cmd);  in msgctl_down()
402 	switch (cmd) {  in msgctl_down()
456 			 int cmd, struct msginfo *msginfo)  in msgctl_info()  argument
466 	err = security_msg_queue_msgctl(NULL, cmd);  in msgctl_info()
477 	if (cmd == MSG_INFO) {  in msgctl_info()
492 			 int cmd, struct msqid64_ds *p)  in msgctl_stat()  argument
500 	if (cmd == MSG_STAT || cmd == MSG_STAT_ANY) {  in msgctl_stat()
515 	if (cmd == MSG_STAT_ANY)  in msgctl_stat()
523 	err = security_msg_queue_msgctl(&msq->q_perm, cmd);  in msgctl_stat()
550 	if (cmd == IPC_STAT) {  in msgctl_stat()
570 static long ksys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf, int version)  in ksys_msgctl()  argument
576 	if (msqid < 0 || cmd < 0)  in ksys_msgctl()
581 	switch (cmd) {  in ksys_msgctl()
585 		err = msgctl_info(ns, msqid, cmd, &msginfo);  in ksys_msgctl()
595 		err = msgctl_stat(ns, msqid, cmd, &msqid64);  in ksys_msgctl()
606 		return msgctl_down(ns, msqid, cmd, &msqid64);  in ksys_msgctl()
612 SYSCALL_DEFINE3(msgctl, int, msqid, int, cmd, struct msqid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
614 	return ksys_msgctl(msqid, cmd, buf, IPC_64);  in SYSCALL_DEFINE3()
618 long ksys_old_msgctl(int msqid, int cmd, struct msqid_ds __user *buf)  in ksys_old_msgctl()  argument
620 	int version = ipc_parse_version(&cmd);  in ksys_old_msgctl()
622 	return ksys_msgctl(msqid, cmd, buf, version);  in ksys_old_msgctl()
625 SYSCALL_DEFINE3(old_msgctl, int, msqid, int, cmd, struct msqid_ds __user *, buf)  in SYSCALL_DEFINE3()  argument
627 	return ksys_old_msgctl(msqid, cmd, buf);  in SYSCALL_DEFINE3()
704 static long compat_ksys_msgctl(int msqid, int cmd, void __user *uptr, int version)  in compat_ksys_msgctl()  argument
712 	if (msqid < 0 || cmd < 0)  in compat_ksys_msgctl()
715 	switch (cmd & (~IPC_64)) {  in compat_ksys_msgctl()
719 		err = msgctl_info(ns, msqid, cmd, &msginfo);  in compat_ksys_msgctl()
729 		err = msgctl_stat(ns, msqid, cmd, &msqid64);  in compat_ksys_msgctl()
740 		return msgctl_down(ns, msqid, cmd, &msqid64);  in compat_ksys_msgctl()
746 COMPAT_SYSCALL_DEFINE3(msgctl, int, msqid, int, cmd, void __user *, uptr)  in COMPAT_SYSCALL_DEFINE3()  argument
748 	return compat_ksys_msgctl(msqid, cmd, uptr, IPC_64);  in COMPAT_SYSCALL_DEFINE3()
752 long compat_ksys_old_msgctl(int msqid, int cmd, void __user *uptr)  in compat_ksys_old_msgctl()  argument
754 	int version = compat_ipc_parse_version(&cmd);  in compat_ksys_old_msgctl()
756 	return compat_ksys_msgctl(msqid, cmd, uptr, version);  in compat_ksys_old_msgctl()
759 COMPAT_SYSCALL_DEFINE3(old_msgctl, int, msqid, int, cmd, void __user *, uptr)  in COMPAT_SYSCALL_DEFINE3()  argument
761 	return compat_ksys_old_msgctl(msqid, cmd, uptr);  in COMPAT_SYSCALL_DEFINE3()