tree 7f50f2c380f4e46bfd4fb3317a5e4f17b35c3ab2
parent 360eb3c5687e2df23e29e97878238765bfe6a756
author Jiang Liu <jiang.liu@linux.intel.com> 1388989089 +0800
committer Joerg Roedel <joro@8bytes.org> 1389267755 +0100

iommu/vt-d: fix PCI device reference leakage on error recovery path

Function dmar_parse_dev_scope() should release the PCI device reference
count gained in function dmar_parse_one_dev_scope() on error recovery,
otherwise it will cause PCI device object leakage.

This patch also introduces dmar_free_dev_scope(), which will be used
to support DMAR device hotplug.

Reviewed-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>