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iommu: Check for valid pgsize_bitmap in iommu_map/unmap
author
Joerg Roedel
<joro@8bytes.org>
Tue, 29 Jan 2013 12:41:09 +0000
(13:41 +0100)
committer
Joerg Roedel
<joro@8bytes.org>
Wed, 6 Feb 2013 09:47:05 +0000
(10:47 +0100)
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>
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git.openpandora.org / pandora-kernel.git / commitdiff