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[NTOSKRNL]

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- Dereference the correct device object in the power completion routine
- Fixes crash with ftdibus.sys

svn path=/trunk/; revision=57615
This commit is contained in:
Johannes Anderwald 2012-10-25 14:27:02 +00:00
parent 3ab390e130
commit d0d756519b
1 changed files with 5 additions and 3 deletions
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8
reactos/ntoskrnl/po/power.c
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@ -21,6 +21,7 @@ typedef struct _REQUEST_POWER_ITEM
PREQUEST_POWER_COMPLETE CompletionRoutine;
POWER_STATE PowerState;
PVOID Context;
PDEVICE_OBJECT TopDeviceObject;
} REQUEST_POWER_ITEM, *PREQUEST_POWER_ITEM;
typedef struct _POWER_STATE_TRAVERSE_CONTEXT
@ -56,10 +57,10 @@ PopRequestPowerIrpCompletion(IN PDEVICE_OBJECT DeviceObject,
RequestPowerItem->Context,
&Irp->IoStatus);
ExFreePool(Context);
IoFreeIrp(Irp);
ObDereferenceObject(DeviceObject);
ObDereferenceObject(RequestPowerItem->TopDeviceObject);
ExFreePool(Context);
return STATUS_MORE_PROCESSING_REQUIRED;
}
@ -573,6 +574,7 @@ PoRequestPowerIrp(IN PDEVICE_OBJECT DeviceObject,
RequestPowerItem->CompletionRoutine = CompletionFunction;
RequestPowerItem->PowerState = PowerState;
RequestPowerItem->Context = Context;
RequestPowerItem->TopDeviceObject = TopDeviceObject;
if (pIrp != NULL)
*pIrp = Irp;