Fix the return value of HalReadDmaCounter at the end of transfer.

svn path=/trunk/; revision=17630

diff --git a/reactos/hal/halx86/generic/dma.c b/reactos/hal/halx86/generic/dma.c
index e5bb327..32ee17d 100644 (file)
--- a/reactos/hal/halx86/generic/dma.c
+++ b/reactos/hal/halx86/generic/dma.c
@@ -977,6 +977,7 @@ HalReadDmaCounter(
    KeReleaseSpinLock(&AdapterObject->MasterAdapter->SpinLock, OldIrql);
        
    Count++;
+   Count &= 0xffff;
    if (AdapterObject->Width16Bits)
       Count *= 2;