On 7/29/2025 8:04 PM, Keith Busch wrote:

-	iter->addr = dma_map_page(dma_dev, phys_to_page(vec->paddr),
-			offset_in_page(vec->paddr), vec->len, rq_dma_dir(req));
-	if (dma_mapping_error(dma_dev, iter->addr)) {
+	iter->addr = dma_map_page(dma_dev, phys_to_page(iter->iter.paddr),
+			offset_in_page(iter->iter.paddr), iter->iter.len,
+			rq_dma_dir(req));
+	if (dma_mapping_error(dma_dev, iter->iter.paddr)) {

This should be
dma_mapping_error(dma_dev, iter->addr).