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intel-iommu: Don't free too much in dma_pte_free_pagetable()
authorDavid Woodhouse <David.Woodhouse@intel.com>
Tue, 30 Jun 2009 02:38:09 +0000 (03:38 +0100)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Tue, 30 Jun 2009 02:57:38 +0000 (03:57 +0100)
The loop condition was wrong -- we should free a PMD only if its
_entire_ range is within the range we're intending to clear. The
early-termination condition was right, but not the loop.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

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