because the capabilities need to be DWORD aligned, so the size should DWORD aligned too, and then the last capability size can to be the greatest 0x1000. e.g. if I have a capability starting 4 bytes from the end, 0xFFC. The max size should be 4 bytes, 0x1000 - 0xFFC, not 3 bytes, 0xFFF - 0xFFC.
Signed-off-by: Chen Fan <chen.fan.f...@cn.fujitsu.com> --- hw/pci/pcie.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index 1463e65..6cdd4a1 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -595,7 +595,7 @@ void pcie_add_capability(PCIDevice *dev, assert(offset >= PCI_CONFIG_SPACE_SIZE); assert(offset < offset + size); - assert(offset + size < PCIE_CONFIG_SPACE_SIZE); + assert(offset + size <= PCIE_CONFIG_SPACE_SIZE); assert(size >= 8); assert(pci_is_express(dev)); -- 1.9.3