iommu/vt-d: Use for_each_drhd_unit() instead of list_for_each_entry()

Use for_each_drhd_unit() instead of list_for_each_entry for
better readability.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 785675a56a10f8117b052ff06bf4e9b462e720b5..da2d0d926e40462198096c5e7a4c9f8efc936c79 100644 (file)
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -403,7 +403,7 @@ dmar_find_matched_drhd_unit(struct pci_dev *dev)
 
        dev = pci_physfn(dev);
 
-       list_for_each_entry(dmaru, &dmar_drhd_units, list) {
+       for_each_drhd_unit(dmaru) {
                drhd = container_of(dmaru->hdr,
                                    struct acpi_dmar_hardware_unit,
                                    header);