diff options
| -rw-r--r-- | drivers/iommu/intel/pasid.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c index 8f2a702ce429..477b2e1d303c 100644 --- a/drivers/iommu/intel/pasid.c +++ b/drivers/iommu/intel/pasid.c @@ -517,6 +517,9 @@ void intel_pasid_tear_down_entry(struct intel_iommu *iommu, struct device *dev, if (WARN_ON(!pte)) return; + if (!(pte->val[0] & PASID_PTE_PRESENT)) + return; + did = pasid_get_domain_id(pte); intel_pasid_clear_entry(dev, pasid, fault_ignore); |