iommu: intel: Use generic_iommu_put_resv_regions()

Use the new standard function instead of open-coding it.

Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/intel-iommu.c

@@ -5745,15 +5745,6 @@ static void intel_iommu_get_resv_regions(struct device *device,
 	list_add_tail(&reg->list, head);
 }
 
-static void intel_iommu_put_resv_regions(struct device *dev,
-					 struct list_head *head)
-{
-	struct iommu_resv_region *entry, *next;
-
-	list_for_each_entry_safe(entry, next, head, list)
-		kfree(entry);
-}
-
 int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev)
 {
 	struct device_domain_info *info;
@@ -5988,7 +5979,7 @@ const struct iommu_ops intel_iommu_ops = {
 	.add_device		= intel_iommu_add_device,
 	.remove_device		= intel_iommu_remove_device,
 	.get_resv_regions	= intel_iommu_get_resv_regions,
-	.put_resv_regions	= intel_iommu_put_resv_regions,
+	.put_resv_regions	= generic_iommu_put_resv_regions,
 	.apply_resv_region	= intel_iommu_apply_resv_region,
 	.device_group		= pci_device_group,
 	.dev_has_feat		= intel_iommu_dev_has_feat,