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[v14,04/13] vfio: make the 4 bytes aligned for capability size

Message ID 50093abe5dbaebea0adfec16febe6c4a104f2923.1447748073.git.chen.fan.fnst@cn.fujitsu.com
State New
Headers show

Commit Message

Cao jin Nov. 17, 2015, 8:41 a.m. UTC 
From: Chen Fan <chen.fan.fnst@cn.fujitsu.com>

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

Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
---
 hw/vfio/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index f333dfc..e305cda 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1468,7 +1468,8 @@  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]) {