tree 85de286abc27f32dd18ad4f9eb5488288e98e681
parent a8b8a88a9e3042d41326c854272c881664acba1c
author Joerg Roedel <joro@8bytes.org> 1359463269 +0100
committer Joerg Roedel <joro@8bytes.org> 1360144025 +0100

iommu: Check for valid pgsize_bitmap in iommu_map/unmap

In case the page-size bitmap is zero the code path in
iommu_map and iommu_unmap is undefined. Make it defined and
return -ENODEV in this case.

Signed-off-by: Joerg Roedel <joro@8bytes.org>