From 50690762cfe32abadbaa5b22bebe3855e5b8ede8 Mon Sep 17 00:00:00 2001
From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 30 Jul 2015 12:54:01 -0400
Subject: [PATCH] iommu/vt-d: Fix leaked ioremap mapping

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

Cc: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 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;
 }
 
-- 
2.20.1