redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
Stefano Stabellini 2013-10-29 00:37:37 +00:00
parent 6b42a7eafb
commit 15177608c7
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/xen/swiotlb-xen.c
View File

@ -548,7 +548,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
xen_swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir,
attrs);
sg_dma_len(sgl) = 0;
return DMA_ERROR_CODE;
return 0;
}
sg->dma_address = xen_phys_to_bus(map);
} else {