Commits
Stefano Stabellini committed 15177608c70
swiotlb-xen: fix error code returned by xen_swiotlb_map_sg_attrs map_sg returns the number of elements mapped, not a dma_addr_t. In case of error return 0, not DMA_ERROR_CODE. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>