func_enter();
 
-#ifdef CHECK
-       CheckHost(Host);
-       CheckHostP(HostP);
-       CheckPacketP(PacketP);
-#endif
-
        /*
         ** 16 port RTA note:
         ** Command rup packets coming from the RTA will have pkt->data[1] (which
        SysPort = UnixRupP->BaseSysPort + (RBYTE(PktCmdP->PhbNum) % (ushort) PORTS_PER_RTA);
        rio_dprintk(RIO_DEBUG_CMD, "Command on rup %d, port %d\n", rup, SysPort);
 
-#ifdef CHECK
-       CheckRup(rup);
-       CheckUnixRupP(UnixRupP);
-#endif
        if (UnixRupP->BaseSysPort == NO_PORT) {
                rio_dprintk(RIO_DEBUG_CMD, "OBSCURE ERROR!\n");
                rio_dprintk(RIO_DEBUG_CMD, "Diagnostics follow. Please WRITE THESE DOWN and report them to Specialix Technical Support\n");
                rio_dprintk(RIO_DEBUG_CMD, "COMMAND information: Host Port Number 0x%x, " "Command Code 0x%x\n", PktCmdP->PhbNum, PktCmdP->Command);
                return TRUE;
        }
-#ifdef CHECK
-       CheckSysPort(SysPort);
-#endif
        PortP = p->RIOPortp[SysPort];
        rio_spin_lock_irqsave(&PortP->portSem, flags);
        switch (RBYTE(PktCmdP->Command)) {
        struct UnixRup *UnixRupP;
        unsigned long flags;
 
-#ifdef CHECK
-       CheckHostP(HostP);
-       CheckRup(Rup);
-       CheckCmdBlkP(CmdBlkP);
-#endif
        if (Rup >= (ushort) (MAX_RUP + LINKS_PER_UNIT)) {
                rio_dprintk(RIO_DEBUG_CMD, "Illegal rup number %d in RIOQueueCmdBlk\n", Rup);
                RIOFreeCmdBlk(CmdBlkP);
                         ** If it returns RIO_FAIL then don't
                         ** send this command yet!
                         */
-#ifdef CHECK
-                       CheckCmdBlkP(CmdBlkP);
-#endif
                        if (!(CmdBlkP->PreFuncP ? (*CmdBlkP->PreFuncP) (CmdBlkP->PreArg, CmdBlkP) : TRUE)) {
                                rio_dprintk(RIO_DEBUG_CMD, "Not ready to start command 0x%x\n", (int) CmdBlkP);
                        } else {
                                /*
                                 ** Whammy! blat that pack!
                                 */
-#ifdef CHECK
-                               CheckPacketP((PKT *) RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt));
-#endif
                                HostP->Copy((caddr_t) & CmdBlkP->Packet, RIO_PTR(HostP->Caddr, UnixRupP->RupP->txpkt), sizeof(PKT));
 
                                /*
        unsigned long flags;
 
        rio_spin_lock_irqsave(&PortP->portSem, flags);
-#ifdef CHECK
-       CheckPortP(PortP);
-#endif
        PortP->WflushFlag++;
        PortP->MagicFlags |= MAGIC_FLUSH;
        rio_spin_unlock_irqrestore(&PortP->portSem, flags);
 
        rio_spin_lock_irqsave(&PortP->portSem, flags);
 
-#ifdef CHECK
-       CheckPortP(PortP);
-#endif
        rio_dprintk(RIO_DEBUG_CMD, "Decrement in use count for port\n");
 
        if (PortP->InUse) {