From: Janghyuck Kim <janghyuck.kim@samsung.com>
Date: Wed, 9 Aug 2017 05:56:52 +0000 (+0900)
Subject: iommu/exynos: zero initialization for region structure
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=570287f6cbc04cbbb7007805634fd0f999e9a879;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

iommu/exynos: zero initialization for region structure

To avoid reference the uninitialized variable in region structure,
kmalloc is replaced with kzalloc.

Change-Id: I9430d05b912e97521694516548e5cca61d4a40bf
Signed-off-by: Janghyuck Kim <janghyuck.kim@samsung.com>
Signed-off-by: ChiHun Won <chihun.won@samsung.com>
---

diff --git a/drivers/iommu/exynos-iovmm.c b/drivers/iommu/exynos-iovmm.c
index 07c449f4fe63..5fde22ac2788 100644
--- a/drivers/iommu/exynos-iovmm.c
+++ b/drivers/iommu/exynos-iovmm.c
@@ -188,7 +188,7 @@ static dma_addr_t add_iovm_region(struct exynos_iovmm *vmm,
 {
 	struct exynos_vm_region *region, *pos;
 
-	region = kmalloc(sizeof(*region), GFP_KERNEL);
+	region = kzalloc(sizeof(*region), GFP_KERNEL);
 	if (!region)
 		return 0;