| commit | 5a4fe7c41b586399d502f9970b077178e5dfbacf | [log] [tgz] |
|---|---|---|
| author | Eric Farman <farman@linux.ibm.com> | Thu Jul 28 22:49:12 2022 +0200 |
| committer | Alex Williamson <alex.williamson@redhat.com> | Mon Aug 01 13:36:46 2022 -0600 |
| tree | a02f71fdfe478945640b940cbd909d070bacc30d | |
| parent | 34a255e67615995f729254307a0581c143e03752 [diff] |
vfio/ccw: Add length to DMA_UNMAP checks As pointed out with the simplification of the VFIO_IOMMU_NOTIFY_DMA_UNMAP notifier [1], the length parameter was never used to check against the pinned pages. Let's correct that, and see if a page is within the affected range instead of simply the first page of the range. [1] https://lore.kernel.org/kvm/20220720170457.39cda0d0.alex.williamson@redhat.com/ Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/20220728204914.2420989-2-farman@linux.ibm.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>