This function has an explicit test for accesses above the device's config
size, in which case it returns ~0x0. But pci_host_config_read_common()
which it is about to call already has checks against the config space
limit and likewise returns ~0x0 in that case. So, remove the redundant
test.
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
hw/pci/pcie_host.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/hw/pci/pcie_host.c b/hw/pci/pcie_host.c
index 553db56778..8f4435838e 100644
--- a/hw/pci/pcie_host.c
+++ b/hw/pci/pcie_host.c
@@ -70,11 +70,6 @@ static uint64_t pcie_mmcfg_data_read(void *opaque,
}
addr = PCIE_MMCFG_CONFOFFSET(mmcfg_addr);
limit = pci_config_size(pci_dev);
- if (limit <= addr) {
- /* conventional pci device can be behind pcie-to-pci bridge.
- 256 <= addr < 4K has no effects. */
- return ~0x0;
- }
return pci_host_config_read_common(pci_dev, addr, limit, len);
}
--
2.20.1
