From 547b06bb04287eb97ffb02e213aa8466c15cce65 Mon Sep 17 00:00:00 2001
From: Chen Qun <kuhn.chenqun@huawei.com>
Date: Mon, 16 Mar 2020 14:35:34 +0800
Subject: [PATCH] block/iscsi: use MIN() between mx_sb_len and sb_len_wr

Use MIN() macro between mx_sb_len and sb_len_wr the len for sbp copy data.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
---
 block/iscsi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/iscsi.c b/block/iscsi.c
index 3f86aaf..5c3c598 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -989,8 +989,7 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status,
         acb->ioh->driver_status |= SG_ERR_DRIVER_SENSE;
 
         acb->ioh->sb_len_wr = acb->task->datain.size - 2;
-        ss = (acb->ioh->mx_sb_len >= acb->ioh->sb_len_wr) ?
-             acb->ioh->mx_sb_len : acb->ioh->sb_len_wr;
+        ss = MIN(acb->ioh->mx_sb_len, acb->ioh->sb_len_wr);
         memcpy(acb->ioh->sbp, &acb->task->datain.data[2], ss);
     }
 
-- 
1.8.3.1