iommu = cell_iommu_for_node(dev_to_node(dev));
if (iommu == NULL || list_empty(&iommu->windows)) {
printk(KERN_ERR "iommu: missing iommu for %s (node %d)\n",
- dev->of_node ? dev->of_node->full_name : "?",
- dev_to_node(dev));
+ of_node_full_name(dev->of_node), dev_to_node(dev));
return NULL;
}
window = list_entry(iommu->windows.next, struct iommu_window, list);