Nothing should be doing this, but it doesn't get caught by pci_register_bar(). Add an assertion to prevent misuse.
Signed-off-by: Nicholas Piggin <[email protected]> --- hw/pci/pci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 2afa423925c..b067a55c5bc 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -1391,6 +1391,7 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num, assert(hdr_type != PCI_HEADER_TYPE_BRIDGE || region_num < 2); r = &pci_dev->io_regions[region_num]; + assert(!r->size); r->addr = PCI_BAR_UNMAPPED; r->size = size; r->type = type; -- 2.45.2
