iommu/vt-d: Fix leaked ioremap mapping

iommu_load_old_irte() appears to leak the old_irte mapping after use.

Cc: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
1 file changed