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(parent: 315786e) | patch
iommu: Do more input validation in iommu_map_sg()
authorJoerg Roedel <jroedel@suse.de>
Tue, 4 Nov 2014 13:53:51 +0000 (14:53 +0100)
committerJoerg Roedel <jroedel@suse.de>
Tue, 4 Nov 2014 13:53:51 +0000 (14:53 +0100)
commit38ec010d9b04ed94845f8ff6f10d33eb6bbfe180
tree7e54787fbc0961a02707f38e5b39bfa2f22605c4tree | snapshot
parent315786ebbf4ad6552b6fd8e0e7b2ea220fcbfdbdcommit | diff
iommu: Do more input validation in iommu_map_sg()

The IOMMU-API works on page boundarys, unlike the DMA-API
which can work with sub-page buffers. The sg->offset
field does not make sense on the IOMMU level, so force it to
be 0. Do some error-path consolidation while at it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/iommu.c diff | blob | history
Domain: System / Kernel;