[Qemu-devel] [PATCH v16 04/14] vfio: make the 4 bytes aligned for capability size

[Cao jin]

From: Chen Fan <address@hidden>

this function search the capability from the end, the last
size should 0x100 - pos, not 0xff - pos.

Signed-off-by: Chen Fan <address@hidden>
---
 hw/vfio/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index a63cf85..288f2c7 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1469,7 +1469,8 @@ static void vfio_unmap_bars(VFIOPCIDevice *vdev)
  */
 static uint8_t vfio_std_cap_max_size(PCIDevice *pdev, uint8_t pos)
 {
-    uint8_t tmp, next = 0xff;
+    uint8_t tmp;
+    uint16_t next = PCI_CONFIG_SPACE_SIZE;
 
     for (tmp = pdev->config[PCI_CAPABILITY_LIST]; tmp;
          tmp = pdev->config[tmp + 1]) {
-- 
1.9.3