diff options
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index ee0932307d64..956a02eb40b4 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -5380,6 +5380,9 @@ intel_iommu_dev_enable_feat(struct device *dev, enum iommu_dev_features feat) if (!info) return -EINVAL; + if (!info->pasid_enabled || !info->pri_enabled || !info->ats_enabled) + return -EINVAL; + if (info->iommu->flags & VTD_FLAG_SVM_CAPABLE) return 0; } |