128         IoReleaseCancelSpinLock(Irp->CancelIrql);  in BeepCancel()
136         IoReleaseCancelSpinLock(Irp->CancelIrql);  in BeepCancel()
151     KIRQL OldIrql, CancelIrql;  in BeepCleanup()  local
157     IoAcquireCancelSpinLock(&CancelIrql);  in BeepCleanup()
172         IoReleaseCancelSpinLock(CancelIrql);  in BeepCleanup()
176         IoAcquireCancelSpinLock(&CancelIrql);  in BeepCleanup()
193     IoReleaseCancelSpinLock(CancelIrql);  in BeepCleanup()
302     KIRQL CancelIrql;  in BeepStartIo()  local
309     IoAcquireCancelSpinLock(&CancelIrql);  in BeepStartIo()
313         IoReleaseCancelSpinLock(CancelIrql);  in BeepStartIo()
319     IoReleaseCancelSpinLock(CancelIrql);  in BeepStartIo()