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path: root/drivers/iommu/intel
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Diffstat (limited to 'drivers/iommu/intel')
-rw-r--r--drivers/iommu/intel/iommu.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index d19bd0ff5220..f3ccbe516dcb 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4154,6 +4154,9 @@ static int intel_iommu_set_dev_pasid(struct iommu_domain *domain,
struct dev_pasid_info *dev_pasid;
int ret;
+ if (WARN_ON_ONCE(!(domain->type & __IOMMU_DOMAIN_PAGING)))
+ return -EINVAL;
+
if (!pasid_supported(iommu) || dev_is_real_dma_subdevice(dev))
return -EOPNOTSUPP;
@@ -4182,8 +4185,7 @@ static int intel_iommu_set_dev_pasid(struct iommu_domain *domain,
domain_remove_dev_pasid(old, dev, pasid);
- if (domain->type & __IOMMU_DOMAIN_PAGING)
- intel_iommu_debugfs_create_dev_pasid(dev_pasid);
+ intel_iommu_debugfs_create_dev_pasid(dev_pasid);
return 0;