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VFIO fixes for v3.19-rc4 

- Fix PCI header check in vfio_pci_probe() (Wei Yang)
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Merge tag 'vfio-v3.19-rc4' of git://github.com/awilliam/linux-vfio

Pull VFIO fix from Alex Williamson:
 "Fix PCI header check in vfio_pci_probe() (Wei Yang)"

* tag 'vfio-v3.19-rc4' of git://github.com/awilliam/linux-vfio:
  vfio-pci: Fix the check on pci device type in vfio_pci_probe()
This commit is contained in:
Linus Torvalds 2015-01-10 12:23:03 -08:00
parent aff8ad59fe 7c2e211f3c
commit 4850d37d3a
1 changed files with 1 additions and 3 deletions
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4
drivers/vfio/pci/vfio_pci.c
View File

@ -840,13 +840,11 @@ static const struct vfio_device_ops vfio_pci_ops = {
static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) static int vfio_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{ {
u8 type;
struct vfio_pci_device *vdev; struct vfio_pci_device *vdev;
struct iommu_group *group; struct iommu_group *group;
int ret; int ret;
pci_read_config_byte(pdev, PCI_HEADER_TYPE, &type); if (pdev->hdr_type != PCI_HEADER_TYPE_NORMAL)
if ((type & PCI_HEADER_TYPE) != PCI_HEADER_TYPE_NORMAL)
return -EINVAL; return -EINVAL;
group = iommu_group_get(&pdev->dev); group = iommu_group_get(&pdev->dev);