From 94fe51b495e01b082efa15ef63eda16c61284a00 Mon Sep 17 00:00:00 2001
From: 13038267101 <mo1027728827@qq.com>
Date: Sat, 20 May 2023 18:07:32 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AE=BE=E5=A4=87=E6=97=A5=E5=BF=97=E8=BF=94?=
 =?UTF-8?q?=E5=9B=9E=E5=80=BC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 hgdriver/hgdev/hg_scanner.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 8aac3af..fe6c31b 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -2442,9 +2442,10 @@ int hg_scanner::setting_get_devs_log(void* data, long* len)
 		return SCANNER_ERR_NO_DATA;
 	}
 	string str;
-	get_device_log(str);
-	strcpy((char*)data, str.c_str());
-	return 0;
+	int ret = get_device_log(str);
+	if(ret == SCANNER_ERR_OK)
+		strcpy((char*)data, str.c_str());
+	return ret;
 }
 int hg_scanner::on_color_mode_changed(int& color_mode)
 {