diff options
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 687f18f65cea..bb05fc50ee2e 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -901,6 +901,13 @@ static struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devf struct pci_dev *pf_pdev; pdev = to_pci_dev(dev); + +#ifdef CONFIG_X86 + /* VMD child devices currently cannot be handled individually */ + if (is_vmd(pdev->bus)) + return NULL; +#endif + /* VFs aren't listed in scope tables; we need to look up * the PF instead to find the IOMMU. */ pf_pdev = pci_physfn(pdev); @@ -4736,7 +4743,9 @@ static void intel_disable_iommus(void) static inline struct intel_iommu *dev_to_intel_iommu(struct device *dev) { - return container_of(dev, struct intel_iommu, iommu.dev); + struct iommu_device *iommu_dev = dev_to_iommu_device(dev); + + return container_of(iommu_dev, struct intel_iommu, iommu); } static ssize_t intel_iommu_show_version(struct device *dev, |