D45905.diff
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	diff --git a/sys/compat/linuxkpi/common/src/linux_pci.c b/sys/compat/linuxkpi/common/src/linux_pci.c
	--- a/sys/compat/linuxkpi/common/src/linux_pci.c
	+++ b/sys/compat/linuxkpi/common/src/linux_pci.c
	@@ -780,12 +780,18 @@
	linuxkpi_pci_iounmap(struct pci_dev pdev, void res)
	{
	struct pci_mmio_region mmio, p;
	+ bus_space_handle_t bh = (bus_space_handle_t)res;

	TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) {
	- if ((bus_space_handle_t)res < rman_get_bushandle(mmio->res) \|\|
	- (bus_space_handle_t)res >= rman_get_bushandle(mmio->res) +
	- rman_get_size(mmio->res))
	- continue;
	+ if (pdev->want_iomap_res) {
	+ if (res != mmio->res)
	+ continue;
	+ } else {
	+ if (bh < rman_get_bushandle(mmio->res) \|\|
	+ bh >= rman_get_bushandle(mmio->res) +
	+ rman_get_size(mmio->res))
	+ continue;
	+ }
	bus_release_resource(pdev->dev.bsddev,
	mmio->type, mmio->rid, mmio->res);
	TAILQ_REMOVE(&pdev->mmio, mmio, next);