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swiotlb-xen: fix error code returned by xen_swiotlb_map_sg_attrs
authorStefano Stabellini <stefano.stabellini@eu.citrix.com>
Tue, 29 Oct 2013 00:37:37 +0000 (00:37 +0000)
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>
Tue, 29 Oct 2013 00:37:37 +0000 (00:37 +0000)
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>

No differences found
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