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-rw-r--r--drivers/vfio/pci/vfio_pci_config.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index 072fdacb6f96..0e83e8ead142 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -1037,13 +1037,9 @@ static int vfio_cap_len(struct vfio_pci_device *vdev, u8 cap, u8 pos)
return byte;
case PCI_CAP_ID_EXP:
/* length based on version */
- ret = pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, &word);
- if (ret)
- return pcibios_err_to_errno(ret);
-
vdev->extended_caps = true;
- if ((word & PCI_EXP_FLAGS_VERS) == 1)
+ if ((pcie_caps_reg(pdev) & PCI_EXP_FLAGS_VERS) == 1)
return PCI_CAP_EXP_ENDPOINT_SIZEOF_V1;
else
return PCI_CAP_EXP_ENDPOINT_SIZEOF_V2;