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From: Yijing Wang <wangyijing@huawei.com>
To: Joerg Roedel <joro@8bytes.org>, David Woodhouse <dwmw2@infradead.org>
Cc: <iommu@lists.linux-foundation.org>,
	<linux-kernel@vger.kernel.org>,
	Yijing Wang <wangyijing@huawei.com>
Subject: [PATCH 6/6] iommu/vt-d: fix reference count in iommu_prepare_isa
Date: Tue, 20 May 2014 20:37:52 +0800	[thread overview]
Message-ID: <1400589472-8544-7-git-send-email-wangyijing@huawei.com> (raw)
In-Reply-To: <1400589472-8544-1-git-send-email-wangyijing@huawei.com>

Decrease the device reference count avoid memory leak.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
 drivers/iommu/intel-iommu.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 455896c..a78a824 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2401,7 +2401,8 @@ static inline void iommu_prepare_isa(void)
 	if (ret)
 		printk(KERN_ERR "IOMMU: Failed to create 0-16MiB identity map; "
 		       "floppy might not work\n");
-
+	
+	pci_dev_put(pdev);
 }
 #else
 static inline void iommu_prepare_isa(void)
-- 
1.7.1



  parent reply	other threads:[~2014-05-20 12:39 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-20 12:37 [PATCH 0/6] trivial cleanup for iommu/vt-d Yijing Wang
2014-05-20 12:37 ` [PATCH 1/6] iommu/vt-d: Use list_for_each_safe() to simplify code Yijing Wang
2014-05-20 12:37 ` [PATCH 2/6] iommu/vt-d: move up no_iommu and dmar_disabled check Yijing Wang
2014-07-04  9:06   ` Joerg Roedel
2014-07-04  9:28     ` Yijing Wang
2014-05-20 12:37 ` [PATCH 3/6] iommu/vt-d: clear the redundant assignment in dmar_enable_qi Yijing Wang
2014-05-20 12:37 ` [PATCH 4/6] iommu/vt-d: clear the redundant assignment for domain->nid Yijing Wang
2014-05-20 12:37 ` [PATCH 5/6] iommu/vt-d: use inline function dma_pte_superpage instead of macros Yijing Wang
2014-05-20 12:37 ` Yijing Wang [this message]
2014-06-18  0:56 ` [PATCH 0/6] trivial cleanup for iommu/vt-d Yijing Wang
2014-07-04  9:22 ` Joerg Roedel
2014-07-04  9:29   ` Yijing Wang

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