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[KERNEL32][BEEP]
Int32x32To64 used with unsigned input values will cause unintentional sign extension. There is a lot of code in ROS that is still not fixed!! Fixes BEEP sound. See also r64020, CORE-8502 and CORE-8505 for more details. CORE-8505 #comment CsrCaptureTimeout and BEEP code fixed. svn path=/trunk/; revision=65325
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@@ -321,7 +321,7 @@ CsrCaptureTimeout(IN ULONG Milliseconds,
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if (Milliseconds == -1) return NULL;
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/* Convert to relative ticks */
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Timeout->QuadPart = Int32x32To64(Milliseconds, -10000);
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Timeout->QuadPart = Milliseconds * -10000LL;
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return Timeout;
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}
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@@ -339,7 +339,7 @@ BeepStartIo(IN PDEVICE_OBJECT DeviceObject,
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{
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/* Beep successful, queue a DPC to stop it */
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Status = STATUS_SUCCESS;
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DueTime.QuadPart = Int32x32To64(BeepParam->Duration, -10000);
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DueTime.QuadPart = BeepParam->Duration * -10000LL;
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InterlockedIncrement(&DeviceExtension->TimerActive);
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KeSetTimer(&DeviceExtension->Timer, DueTime, &DeviceObject->Dpc);
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}
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