From 95ac953da3e08633c6dd502ccb0651a3e78917ed Mon Sep 17 00:00:00 2001
From: gb <741021719@qq.com>
Date: Wed, 24 May 2023 17:16:23 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4pop=5Ffirst=5Fimage=E8=B0=83?=
 =?UTF-8?q?=E7=94=A8=E4=BD=8D=E7=BD=AE=EF=BC=8C=E9=81=BF=E5=85=8D=E6=AD=BB?=
 =?UTF-8?q?=E9=94=81?=
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---
 hgdriver/hgdev/hg_scanner_302.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/hgdriver/hgdev/hg_scanner_302.cpp b/hgdriver/hgdev/hg_scanner_302.cpp
index f7a00c5..cd4493f 100644
--- a/hgdriver/hgdev/hg_scanner_302.cpp
+++ b/hgdriver/hgdev/hg_scanner_302.cpp
@@ -543,6 +543,7 @@ int hg_scanner_302::read_one_image_from_usb(SANE_Image_Statu statu)
 		total = get_front_data_size(),
 		off = 0,
 		ret = SCANNER_ERR_OK;
+	bool popimg = false;
 
 	VLOG_MINI_1(LOG_LEVEL_ALL, "New image size: %u\n", total);
 	if (!waiting_for_memory_enough(total))
@@ -600,7 +601,7 @@ int hg_scanner_302::read_one_image_from_usb(SANE_Image_Statu statu)
 				ret = save_usb_data(buf);
 				if (ret == SCANNER_ERR_OK)
 				{
-					pop_first_image();
+					popimg = true;
 				}
 				else
 				{
@@ -617,6 +618,8 @@ int hg_scanner_302::read_one_image_from_usb(SANE_Image_Statu statu)
 			VLOG_MINI_1(LOG_LEVEL_FATAL, "write command SR_IM_TX failed: %s\n", hg_scanner_err_name(ret));
 		}
 	}
+	if(popimg)
+		pop_first_image();
 
 	return ret;
 }