tree 2079dbb9b9298bf1e2d25473b182e4ca4dd46de5
parent 6b42a7eafb25ae9fda1708c501661384d1f60482
author Stefano Stabellini <stefano.stabellini@eu.citrix.com> 1383007057 +0000
committer Stefano Stabellini <stefano.stabellini@eu.citrix.com> 1383007057 +0000

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>