diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 360fb67a30d7..ebc9b8dca881 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -3600,6 +3600,9 @@ static void intel_iommu_unmap_range(struct iommu_domain *domain, { struct dmar_domain *dmar_domain = domain->priv; + if (!size) + return; + dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT, (iova + size - 1) >> VTD_PAGE_SHIFT); |