diff options
Diffstat (limited to 'drivers/vfio/pci/vfio_pci_core.c')
| -rw-r--r-- | drivers/vfio/pci/vfio_pci_core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index 06b6f3594a13..65587fd5c021 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -1821,6 +1821,10 @@ int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev) struct pci_dev *pdev = vdev->pdev; int ret; + /* Drivers must set the vfio_pci_core_device to their drvdata */ + if (WARN_ON(vdev != dev_get_drvdata(&vdev->pdev->dev))) + return -EINVAL; + if (pdev->hdr_type != PCI_HEADER_TYPE_NORMAL) return -EINVAL; |