From 435bbb463349e369d070ffbfdaa00921ea828f83 Mon Sep 17 00:00:00 2001
From: Yijing Wang <wangyijing@huawei.com>
Date: Tue, 20 May 2014 20:37:49 +0800
Subject: [PATCH] iommu/vt-d: Clear the redundant assignment in dmar_enable_qi

__dmar_enable_qi() will initialize free_head,free_tail and
free_cnt for q_inval. Remove the redundant initialization
in dmar_enable_qi().

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