_Must_inspect_result_
NTSTATUS
FxLibraryCommonUnregisterClient(
__in PWDF_BIND_INFO Info,
__in PWDF_DRIVER_GLOBALS WdfDriverGlobals
)
{
NTSTATUS status;
__Print((LITERAL(WDF_LIBRARY_UNREGISTER_CLIENT) ": enter\n"));
ASSERT(Info);
ASSERT(WdfDriverGlobals);
if (Info != NULL && WdfDriverGlobals != NULL) {
PFX_DRIVER_GLOBALS pFxDriverGlobals;
status = STATUS_SUCCESS;
pFxDriverGlobals = GetFxDriverGlobals(WdfDriverGlobals);
//
// Destroy this FxDriver instance, if its still indicated.
//
if (pFxDriverGlobals->Driver != NULL) {
//
// Association support, we are a root with no parent
//
pFxDriverGlobals->Driver->DeleteObject();
FxDestroy(pFxDriverGlobals);
}
//
// Stop IFR logging
//
FxIFRStop(pFxDriverGlobals);
//
// unlock enhanced-verifier image sections
//
if (IsFxVerifierFunctionTableHooking(pFxDriverGlobals)) {
UnlockVerifierSection(pFxDriverGlobals);
}
//
// This will free the client's FxDriverGlobals area
//
FxFreeDriverGlobals(WdfDriverGlobals);
}
else {
status = STATUS_UNSUCCESSFUL;
}
__Print((LITERAL(WDF_LIBRARY_UNREGISTER_CLIENT)
": exit: status %X\n", status));
return status;
}
VOID
FxDriver::Unload(
__in MdDriverObject DriverObject
)
{
PFX_DRIVER_GLOBALS pFxDriverGlobals;
FxDriver *pDriver;
pDriver = FxDriver::GetFxDriver(DriverObject);
if (pDriver == NULL) {
return;
}
pFxDriverGlobals = pDriver->GetDriverGlobals();
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGDRIVER,
"Unloading WDFDRIVER %p, PDRIVER_OBJECT_UM %p",
pDriver->GetHandle(), DriverObject);
//
// Invoke the driver if they specified an unload routine.
//
if (pDriver->m_DriverUnload.Method) {
pDriver->m_DriverUnload.Invoke(pDriver->GetHandle());
DoTraceLevelMessage(pFxDriverGlobals, TRACE_LEVEL_VERBOSE, TRACINGDRIVER,
"Driver unload routine Exit WDFDRIVER %p, PDRIVER_OBJECT_UM %p",
pDriver->GetHandle(), DriverObject);
}
//
// Delete the FxDriver object.
//
// This releases the FxDriver reference. Must be called at PASSIVE
//
pDriver->DeleteObject();
pFxDriverGlobals->Driver = NULL;
FxDestroy(pFxDriverGlobals);
}
