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[NTOS:IO] Move IopRemovePlugPlayEvent around and add the ResponseData parameter (not used yet)

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This commit is contained in:
Eric Kohl 2020-02-29 14:26:16 +01:00
parent 302356bf57
commit a05051f554
1 changed files with 29 additions and 25 deletions
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54
ntoskrnl/io/pnpmgr/plugplay.c
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@ -91,30 +91,6 @@ IopQueueTargetDeviceEvent(const GUID *Guid,
}
/*
* Remove the current PnP event from the tail of the event queue
* and signal IopPnpNotifyEvent if there is yet another event in the queue.
*/
static NTSTATUS
IopRemovePlugPlayEvent(VOID)
{
/* Remove a pnp event entry from the tail of the queue */
if (!IsListEmpty(&IopPnpEventQueueHead))
{
ExFreePool(CONTAINING_RECORD(RemoveTailList(&IopPnpEventQueueHead), PNP_EVENT_ENTRY, ListEntry));
}
/* Signal the next pnp event in the queue */
if (!IsListEmpty(&IopPnpEventQueueHead))
{
KeSetEvent(&IopPnpNotifyEvent,
0,
FALSE);
}
return STATUS_SUCCESS;
}
static PDEVICE_OBJECT
IopTraverseDeviceNode(PDEVICE_NODE Node, PUNICODE_STRING DeviceInstance)
{
@ -245,6 +221,34 @@ IopPnpEnumerateDevice(PPLUGPLAY_CONTROL_ENUMERATE_DEVICE_DATA DeviceData)
return Status;
}
/*
* Remove the current PnP event from the tail of the event queue
* and signal IopPnpNotifyEvent if there is yet another event in the queue.
*/
static
NTSTATUS
IopRemovePlugPlayEvent(
_In_ PPLUGPLAY_CONTROL_USER_RESPONSE_DATA ResponseData)
{
/* Remove a pnp event entry from the tail of the queue */
if (!IsListEmpty(&IopPnpEventQueueHead))
{
ExFreePool(CONTAINING_RECORD(RemoveTailList(&IopPnpEventQueueHead), PNP_EVENT_ENTRY, ListEntry));
}
/* Signal the next pnp event in the queue */
if (!IsListEmpty(&IopPnpEventQueueHead))
{
KeSetEvent(&IopPnpNotifyEvent,
0,
FALSE);
}
return STATUS_SUCCESS;
}
static NTSTATUS
IopGetInterfaceDeviceList(PPLUGPLAY_CONTROL_INTERFACE_DEVICE_LIST_DATA DeviceList)
{
@ -1348,7 +1352,7 @@ NtPlugPlayControl(IN PLUGPLAY_CONTROL_CLASS PlugPlayControlClass,
case PlugPlayControlUserResponse:
if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_USER_RESPONSE_DATA))
return STATUS_INVALID_PARAMETER;
return IopRemovePlugPlayEvent();
return IopRemovePlugPlayEvent((PPLUGPLAY_CONTROL_USER_RESPONSE_DATA)Buffer);
// case PlugPlayControlGenerateLegacyDevice: