linux-phytec-fsl

iommu/vt-d: Use list_for_each_safe() to simplify code

Use list_for_each_entry_safe() instead of list_entry()
to simplify code.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>