static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
{
	for (node = NULL; (node = of_find_all_nodes(node)); ) {
		if (x) {	
			return it;
			of_node_put(node);
		}
	}
}

static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
{
	for (node = NULL; (node = something(node)); ) {
		if (x) {	
			of_node_put(node);
			return it;
		}
	}
}