pci: fix pci_find_space()

pci capability must be in PCI space.
It can't lay in PCIe extended config space.

Cc "Michael S. Tsirkin" <[email protected]>

Signed-off-by Isaku Yamahata <[email protected]>

---
 hw/pci.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

hw/pci.c +1 -2

index 2f6907b..f50568c 100644
@@ -1701,10 +1701,9 @@ PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name)
 
 static int pci_find_space(PCIDevice *pdev, uint8_t size)
 {
-    int config_size = pci_config_size(pdev);
     int offset = PCI_CONFIG_HEADER_SIZE;
     int i;
-    for (i = PCI_CONFIG_HEADER_SIZE; i < config_size; ++i)
+    for (i = PCI_CONFIG_HEADER_SIZE; i < PCI_CONFIG_SPACE_SIZE - size; ++i)
         if (pdev->used[i])
             offset = i + 1;
         else if (i - offset + 1 == size)

Signature · 1 line

1.6.6.1

Quoted 5 lines · Isaku Yamahata

pci capability must be in PCI space.
It can't lay in PCIe extended config space.

Cc "Michael S. Tsirkin" <[email protected]>

Signed-off-by Isaku Yamahata <[email protected]>

I guess the point is that we'll need another API to allocate extended capabilities?