tree f17793b32ff1e67170595b440d9d84dd73e3cfb0
parent 07a0203021149140f83e64a9ac5fe7ed09a74afc
author Zhouyi Zhou <zhouzhouyi@gmail.com> 1394014819 +0800
committer Joerg Roedel <joro@8bytes.org> 1394056960 +0100

iommu/omap: Check for NULL in iopte_free()

The iopte_free() function should check for NULL because
kmem_cache_free() will panic on NULL argument.

Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Signed-off-by: Joerg Roedel <joro@8bytes.org>