From 5b47da8aa678992daaa0938c2eae2cb24a2503a3 Mon Sep 17 00:00:00 2001
From: Zhou Wang <wangzhou1@hisilicon.com>
Date: Thu, 11 Jul 2019 14:41:21 +0800
Subject: [PATCH] ACC: Fix vunmap in uacce_start_queue

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Description:uacce: Fix vunmap in uacce_start_queue

Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: xuzaibo <xuzaibo@huawei.com>
Signed-off-by: lingmingqiang <lingmingqiang@huawei.com>
Signed-off-by: Mingqiang Ling <lingmingqiang@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/uacce/uacce.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/uacce/uacce.c b/drivers/uacce/uacce.c
index 8ea33e7f8d8f..f863aa6f49e0 100644
--- a/drivers/uacce/uacce.c
+++ b/drivers/uacce/uacce.c
@@ -491,7 +491,7 @@ static int uacce_start_queue(struct uacce_queue *q)
 	return 0;
 
 err_with_vmap:
-	for (j = i; j >= 0; j--) {
+	for (j = i - 1; j >= 0; j--) {
 		qfr = q->qfrs[j];
 		if (qfr && qfr->kaddr) {
 			vunmap(qfr->kaddr);
-- 
GitLab