diff options
Diffstat (limited to 'drivers/iommu/iommu.c')
-rw-r--r-- | drivers/iommu/iommu.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 4920605892a3..656b9499e748 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c | |||
@@ -1063,6 +1063,9 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova, | |||
1063 | domain->ops->pgsize_bitmap == 0UL)) | 1063 | domain->ops->pgsize_bitmap == 0UL)) |
1064 | return -ENODEV; | 1064 | return -ENODEV; |
1065 | 1065 | ||
1066 | if (unlikely(!(domain->type & __IOMMU_DOMAIN_PAGING))) | ||
1067 | return -EINVAL; | ||
1068 | |||
1066 | /* find out the minimum page size supported */ | 1069 | /* find out the minimum page size supported */ |
1067 | min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); | 1070 | min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); |
1068 | 1071 | ||
@@ -1114,6 +1117,9 @@ size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) | |||
1114 | domain->ops->pgsize_bitmap == 0UL)) | 1117 | domain->ops->pgsize_bitmap == 0UL)) |
1115 | return -ENODEV; | 1118 | return -ENODEV; |
1116 | 1119 | ||
1120 | if (unlikely(!(domain->type & __IOMMU_DOMAIN_PAGING))) | ||
1121 | return -EINVAL; | ||
1122 | |||
1117 | /* find out the minimum page size supported */ | 1123 | /* find out the minimum page size supported */ |
1118 | min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); | 1124 | min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); |
1119 | 1125 | ||