swiotlb-xen: add missing xen_dma_map_page call



swiotlb-xen is missing a xen_dma_map_page call in
xen_swiotlb_map_sg_attrs, in the bounce buffer path.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

parent 18c51e1a

drivers/xen/swiotlb-xen.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -555,6 +555,11 @@ xen_swiotlb_map_sg_attrs(struct device hwdev, struct scatterlist sgl,
		sg_dma_len(sgl) = 0;
		return 0;
		}
		xen_dma_map_page(hwdev, pfn_to_page(map >> PAGE_SHIFT),
		map & ~PAGE_MASK,
		sg->length,
		dir,
		attrs);
		sg->dma_address = xen_phys_to_bus(map);
		} else {
		/* we are not interested in the dma_addr returned by