From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 30 Jul 2015 16:54:01 +0000 (-0400)
Subject: iommu/vt-d: Fix leaked ioremap mapping
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=50690762cfe32abadbaa5b22bebe3855e5b8ede8;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

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;
 }