Re: [PATCH v7 01/28] iommufd: Report unmapped bytes in the error path of iopt_unmap_iova_range

On Thu, Jun 26, 2025 at 12:34:32PM -0700, Nicolin Chen wrote:

There are callers that read the unmapped bytes even when rc != 0. Thus, do not forget to report it in the error path too.

Fixes: 8d40205f6093 ("iommufd: Add kAPI toward external drivers for kernel access") Cc: stable@vger.kernel.org Signed-off-by: Nicolin Chen nicolinc@nvidia.com

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drivers/iommu/iommufd/io_pagetable.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)

Reviewed-by: Jason Gunthorpe jgg@nvidia.com

Jason