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Message-ID: <20150730165401.33962.81348.stgit@dwillia2-desk3.amr.corp.intel.com>
Date:	Thu, 30 Jul 2015 12:54:01 -0400
From:	Dan Williams <dan.j.williams@...el.com>
To:	tglx@...utronix.de, mingo@...nel.org, hpa@...or.com
Cc:	linux-arch@...r.kernel.org, Joerg Roedel <jroedel@...e.de>,
	toshi.kani@...com, linux-nvdimm@...ts.01.org, mcgrof@...e.com,
	linux-kernel@...r.kernel.org, rmk+kernel@....linux.org.uk,
	hch@....de, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 04/24] intel_iommu: fix leaked ioremap mapping

iommu_load_old_irte() appears to leak the old_irte mapping after use.

Cc: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Dan Williams <dan.j.williams@...el.com>
---
 drivers/iommu/intel_irq_remapping.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index f15692a410c7..27cdfa84ec5b 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -426,6 +426,8 @@ static int iommu_load_old_irte(struct intel_iommu *iommu)
 			bitmap_set(iommu->ir_table->bitmap, i, 1);
 	}
 
+	iounmap(old_ir_table);
+
 	return 0;
 }
 

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