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

Tian, Kevin
2025-07-02T10:09:47Z

> From: Nicolin Chen <nicolinc@nvidia.com>
> Sent: Friday, June 27, 2025 3:35 AM
>
> 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>

Reviewed-by: Kevin Tian <kevin.tian@intel.com>