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

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