1 files changed, 17 insertions, 19 deletions

diff --git a/drivers/iommu/iommufd/io_pagetable.c b/drivers/iommu/iommufd/io_pagetable.c
index 724c4c574241..3a598182b761 100644
--- a/drivers/iommu/iommufd/io_pagetable.c
+++ b/drivers/iommu/iommufd/io_pagetable.c
@@ -1158,36 +1158,36 @@ out_unlock:
 }
 
 void iopt_remove_access(struct io_pagetable *iopt,
-			struct iommufd_access *access)
+			struct iommufd_access *access,
+			u32 iopt_access_list_id)
 {
 	down_write(&iopt->domains_rwsem);
 	down_write(&iopt->iova_rwsem);
-	WARN_ON(xa_erase(&iopt->access_list, access->iopt_access_list_id) !=
-		access);
+	WARN_ON(xa_erase(&iopt->access_list, iopt_access_list_id) != access);
 	WARN_ON(iopt_calculate_iova_alignment(iopt));
 	up_write(&iopt->iova_rwsem);
 	up_write(&iopt->domains_rwsem);
 }
 
-/* Narrow the valid_iova_itree to include reserved ranges from a group. */
-int iopt_table_enforce_group_resv_regions(struct io_pagetable *iopt,
-					  struct device *device,
-					  struct iommu_group *group,
-					  phys_addr_t *sw_msi_start)
+/* Narrow the valid_iova_itree to include reserved ranges from a device. */
+int iopt_table_enforce_dev_resv_regions(struct io_pagetable *iopt,
+					struct device *dev,
+					phys_addr_t *sw_msi_start)
 {
 	struct iommu_resv_region *resv;
-	struct iommu_resv_region *tmp;
-	LIST_HEAD(group_resv_regions);
+	LIST_HEAD(resv_regions);
 	unsigned int num_hw_msi = 0;
 	unsigned int num_sw_msi = 0;
 	int rc;
 
+	if (iommufd_should_fail())
+		return -EINVAL;
+
 	down_write(&iopt->iova_rwsem);
-	rc = iommu_get_group_resv_regions(group, &group_resv_regions);
-	if (rc)
-		goto out_unlock;
+	/* FIXME: drivers allocate memory but there is no failure propogated */
+	iommu_get_resv_regions(dev, &resv_regions);
 
-	list_for_each_entry(resv, &group_resv_regions, list) {
+	list_for_each_entry(resv, &resv_regions, list) {
 		if (resv->type == IOMMU_RESV_DIRECT_RELAXABLE)
 			continue;
 
@@ -1199,7 +1199,7 @@ int iopt_table_enforce_group_resv_regions(struct io_pagetable *iopt,
 		}
 
 		rc = iopt_reserve_iova(iopt, resv->start,
-				       resv->length - 1 + resv->start, device);
+				       resv->length - 1 + resv->start, dev);
 		if (rc)
 			goto out_reserved;
 	}
@@ -1214,11 +1214,9 @@ int iopt_table_enforce_group_resv_regions(struct io_pagetable *iopt,
 	goto out_free_resv;
 
 out_reserved:
-	__iopt_remove_reserved_iova(iopt, device);
+	__iopt_remove_reserved_iova(iopt, dev);
 out_free_resv:
-	list_for_each_entry_safe(resv, tmp, &group_resv_regions, list)
-		kfree(resv);
-out_unlock:
+	iommu_put_resv_regions(dev, &resv_regions);
 	up_write(&iopt->iova_rwsem);
 	return rc;
 }