diff -ru scangearmp2-source-3.50-1/scangearmp2/src/scanmain.c scangearmp2-source-3.50-1.new/scangearmp2/src/scanmain.c
--- scangearmp2-source-3.50-1/scangearmp2/src/scanmain.c	2017-06-21 04:23:25.000000000 +0200
+++ scangearmp2-source-3.50-1.new/scangearmp2/src/scanmain.c	2018-07-12 19:22:40.475214717 +0200
@@ -294,14 +296,11 @@
 static int ui_dialog_save_scan_start( SGMP_Data *data, LPCNMS_ROOT root )
 {
 	CANON_ScanParam		param;
-	CANON_SCANDATA		scandata;
 	int					i;
-	int					ret = -1;
 	int					status;
-	char				*buf;
+	char				*buf = NULL;
 	int					errCode;
 	int					readBytes = 0;
-	int					result = CIJSC_SCANMAIN_SCAN_FINISHED;
 	int					pc_canceled = 0, updated_label = 0;
 	int					progress_id;
 	LPCNMS_NODE			node = CNMSNULL;
@@ -592,6 +591,7 @@
 			CIJSC_UI_error_show( data, NULL );
 		}
 	}
+	return 0;
 }
 
 void CIJSC_Scan_And_Save( SGMP_Data	*data )