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	err_resource:			err_resource:
	bus_dma_tag_destroy(sc->dmat);			bus_dma_tag_destroy(sc->dmat);
	return (error);			return (error);
	}			}

	int			int
	pci_host_generic_core_detach(device_t dev)			pci_host_generic_core_detach(device_t dev)
	{			{
	struct generic_pcie_core_softc *sc;			int error;
	int error, rid, tuple;

	sc = device_get_softc(dev);

	error = bus_generic_detach(dev);			error = bus_generic_detach(dev);
	if (error != 0)			if (error != 0)
	return (error);			return (error);

				return (pci_host_generic_core_free(dev));
				}

				int
				pci_host_generic_core_free(device_t dev)
				{
				struct generic_pcie_core_softc *sc;
				int rid, tuple;

				sc = device_get_softc(dev);
	for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) {			for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) {
	rid = sc->ranges[tuple].rid;			rid = sc->ranges[tuple].rid;
	if (sc->ranges[tuple].size == 0) {			if (sc->ranges[tuple].size == 0) {
	MPASS(sc->ranges[tuple].res == NULL);			MPASS(sc->ranges[tuple].res == NULL);
	continue; /* empty range element */			continue; /* empty range element */
	}			}

	MPASS(rid != -1);			MPASS(rid != -1);
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