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Subject[PATCH 3/6] iommu/vt-d: clear the redundant assignment in dmar_enable_qi
Date
__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>
---
drivers/iommu/dmar.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 39f8b71..1168469 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1339,9 +1339,6 @@ int dmar_enable_qi(struct intel_iommu *iommu)
return -ENOMEM;
}

- qi->free_head = qi->free_tail = 0;
- qi->free_cnt = QI_LENGTH;
-
raw_spin_lock_init(&qi->q_lock);

__dmar_enable_qi(iommu);
--
1.7.1



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