From ba0bcb39c4fa57634c05597464352d4e630f1ea2 Mon Sep 17 00:00:00 2001
From: hz-mk <51707958+hz-mk@users.noreply.github.com>
Date: Tue, 11 Jun 2019 16:32:18 +0200
Subject: [PATCH] Reset conversion descriptor after close (prevent double free)

---
 zbar/qrcode/qrdectxt.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/zbar/qrcode/qrdectxt.c b/zbar/qrcode/qrdectxt.c
index 2ab7b9b..4be7635 100644
--- a/zbar/qrcode/qrdectxt.c
+++ b/zbar/qrcode/qrdectxt.c
@@ -409,7 +409,10 @@ int qr_code_data_list_extract_text(const qr_code_data_list *_qrlist,
       /*If eci should be reset between codes, do so.*/
       if(eci<=QR_ECI_GLI1){
         eci=-1;
-        if(eci_cd!=(iconv_t)-1)iconv_close(eci_cd);
+        if(eci_cd!=(iconv_t)-1){
+	  iconv_close(eci_cd);
+	  eci_cd=(iconv_t)-1;
+	}
       }
 
     }