iommufd: pfn_reader local variables

Add local variables for common sub-expressions needed by a subsequent
patch.  No functional change.

Link: https://patch.msgid.link/r/1729861919-234514-5-git-send-email-steven.sistare@oracle.com
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Steve Sistare 2024-10-25 06:11:54 -07:00 • committed by Jason Gunthorpe
commit c27f0a606c