iommu/arm-smmu: Return 0 on unmap failure

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The IOMMU core expects the unmap operation to return the number of bytes
that have been unmapped or 0 on failure, a negative return value being
treated like a number of bytes.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Laurent Pinchart 2014-02-28 15:37:10 +00:00 • committed by Will Deacon

parent c9eaa447e7

commit 16c50dcfc4

1 changed files with 1 additions and 1 deletions

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drivers/iommu/arm-smmu.c

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