From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: Fri, 18 Sep 2015 10:57:07 +0000 (+0530)
Subject: iommu/vt-d: Fix memory leak in dmar_insert_one_dev_info()
X-Git-Tag: v4.3-rc6~22^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=499f3aa4323775d5320bdf7ccc26576c54a54169;p=platform%2Fkernel%2Flinux-exynos.git

iommu/vt-d: Fix memory leak in dmar_insert_one_dev_info()

We are returning NULL if we are not able to attach the iommu
to the domain but while returning we missed freeing info.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 2d7349a..da99310 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2301,6 +2301,7 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu,
 
 	if (ret) {
 		spin_unlock_irqrestore(&device_domain_lock, flags);
+		free_devinfo_mem(info);
 		return NULL;
 	}