[hbelusca] 61848: [BEEP]: Convert to LONGLONG before doing the multiplication (or: use our macro Int32x32To64): avoids overflows.

Author: hbelusca
Date: Mon Jan 27 00:30:12 2014
New Revision: 61848

URL: http://svn.reactos.org/svn/reactos?rev=61848&view=rev
Log:
[BEEP]: Convert to LONGLONG before doing the multiplication (or: use our macro Int32x32To64): avoids overflows.

Modified:
    trunk/reactos/drivers/base/beep/beep.c

Modified: trunk/reactos/drivers/base/beep/beep.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/base/beep/beep.c?re...
==============================================================================
--- trunk/reactos/drivers/base/beep/beep.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/base/beep/beep.c	[iso-8859-1] Mon Jan 27 00:30:12 2014
@@ -339,7 +339,7 @@
         {
             /* Beep successful, queue a DPC to stop it */
             Status = STATUS_SUCCESS;
-            DueTime.QuadPart = BeepParam->Duration * -10000;
+            DueTime.QuadPart = Int32x32To64(BeepParam->Duration, -10000);
             InterlockedIncrement(&DeviceExtension->TimerActive);
             KeSetTimer(&DeviceExtension->Timer, DueTime, &DeviceObject->Dpc);
         }