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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-10-29 01:37:37 +0100 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-10-29 01:37:37 +0100 |
| commit | 15177608c703e7b4aa29aa7c93b31001effe504c (patch) | |
| tree | 2079dbb9b9298bf1e2d25473b182e4ca4dd46de5 /drivers | |
| parent | swiotlb-xen: static inline xen_phys_to_bus, xen_bus_to_phys, xen_virt_to_bus ... (diff) | |
| download | linux-15177608c703e7b4aa29aa7c93b31001effe504c.tar.xz linux-15177608c703e7b4aa29aa7c93b31001effe504c.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/xen/swiotlb-xen.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 100962dcc7bb..8af68629260b 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -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 { |