On Mon, Feb 05, 2018 at 05:45:53AM -0500, Suravee Suthikulpanit wrote:
> Currently, iommu_unmap, iommu_unmap_fast and iommu_map_sg return
> size_t.  However, some of the return values are error codes (< 0),
> which can be misinterpreted as large size. Therefore, returning size 0
> instead to signify failure to map/unmap.
> 
> Cc: Joerg Roedel <j...@8bytes.org>
> Cc: Alex Williamson <alex.william...@redhat.com>
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
> ---
> 
> Note: This issue was previously discussed here 
> (https://lkml.org/lkml/2018/1/30/873).
> 
>  drivers/iommu/amd_iommu.c |  2 +-
>  drivers/iommu/iommu.c     |  6 +++---
>  include/linux/iommu.h     | 14 +++++++-------
>  3 files changed, 11 insertions(+), 11 deletions(-)

Yeah, I am not happy with this, but the alternatives aren't any
better... So I applied this one. Thanks!


        Joerg

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