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[PORTCLS]

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- check if there are enough irp stack locations

svn path=/trunk/; revision=68328
This commit is contained in:
Johannes Anderwald 2015-07-01 07:39:35 +00:00
parent edae2b9bfb
commit a5e2945149
1 changed files with 5 additions and 1 deletions
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6
reactos/drivers/wdm/audio/backpln/portcls/irp.cpp
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@ -548,7 +548,11 @@ PcForwardIrpSynchronous(
// initialize the notification event
KeInitializeEvent(&Event, NotificationEvent, FALSE);
IoCopyCurrentIrpStackLocationToNext(Irp);
// are there enough irp stack locations
if (Irp->CurrentLocation < Irp->StackCount + 1)
{
IoCopyCurrentIrpStackLocationToNext(Irp);
}
IoSetCompletionRoutine(Irp, CompletionRoutine, (PVOID)&Event, TRUE, TRUE, TRUE);