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authorChristoph Hellwig <hch@lst.de>2018-12-03 10:42:52 (GMT)
committerChristoph Hellwig <hch@lst.de>2018-12-13 20:06:13 (GMT)
commitb907e20508d02462a50c2841da0a5e3883fdab39 (patch)
treecaad79fcf693311a323db7608057c79b61c7405f /drivers/xen
parente5361ca29f2fea345c08d2b5cb5e3b1840cbafb8 (diff)
swiotlb: remove SWIOTLB_MAP_ERROR
We can use DMA_MAPPING_ERROR instead, which already maps to the same value. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/swiotlb-xen.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 6dc969d..833e80b 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -403,7 +403,7 @@ static dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page,
map = swiotlb_tbl_map_single(dev, start_dma_addr, phys, size, dir,
attrs);
- if (map == SWIOTLB_MAP_ERROR)
+ if (map == DMA_MAPPING_ERROR)
return DMA_MAPPING_ERROR;
dev_addr = xen_phys_to_bus(map);
@@ -572,7 +572,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
sg_phys(sg),
sg->length,
dir, attrs);
- if (map == SWIOTLB_MAP_ERROR) {
+ if (map == DMA_MAPPING_ERROR) {
dev_warn(hwdev, "swiotlb buffer is full\n");
/* Don't panic here, we expect map_sg users
to do proper error handling. */

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