Some kernels program a 0 address for io regions. PCI 3.0 spec
sectio 6.2.5.1 doesn't seem to disallow this.
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
hw/pci/pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index f15bbb0..fe5729c 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -1030,7 +1030,7 @@ static pcibus_t pci_bar_address(PCIDevice *d,
/* Check if 32 bit BAR wraps around explicitly.
* TODO: make priorities correct and remove this work around.
*/
- if (last_addr <= new_addr || new_addr == 0 || last_addr >= UINT32_MAX)
{
+ if (last_addr <= new_addr || last_addr >= UINT32_MAX) {
return PCI_BAR_UNMAPPED;
}
return new_addr;
--
1.7.9.5
