diff options
Diffstat (limited to 'drivers/iommu/intel/svm.c')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index f1861fa3d0e4..75846692f2f2 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -279,6 +279,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev, struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL); struct intel_svm_dev *sdev = NULL; struct dmar_domain *dmar_domain; + struct device_domain_info *info; struct intel_svm *svm = NULL; int ret = 0; @@ -310,6 +311,10 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev, if (data->hpasid <= 0 || data->hpasid >= PASID_MAX) return -EINVAL; + info = get_domain_info(dev); + if (!info) + return -EINVAL; + dmar_domain = to_dmar_domain(domain); mutex_lock(&pasid_mutex); @@ -357,6 +362,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev, goto out; } sdev->dev = dev; + sdev->sid = PCI_DEVID(info->bus, info->devfn); /* Only count users if device has aux domains */ if (iommu_dev_feature_enabled(dev, IOMMU_DEV_FEAT_AUX)) |