From 79d9c34205b4dedec74eb916e364009831fb701d Mon Sep 17 00:00:00 2001
From: "Reynaldo H. Verdejo Pinochet" <reynaldo@osg.samsung.com>
Date: Tue, 2 Jun 2015 11:31:00 -0300
Subject: [PATCH] zbar: don't ignore zbar_scan_image() errors

---
 ext/zbar/gstzbar.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ext/zbar/gstzbar.c b/ext/zbar/gstzbar.c
index faf2b55803..2bb0a7d8fe 100644
--- a/ext/zbar/gstzbar.c
+++ b/ext/zbar/gstzbar.c
@@ -299,6 +299,10 @@ gst_zbar_transform_frame_ip (GstVideoFilter * vfilter, GstVideoFrame * frame)
 
   /* scan the image for barcodes */
   n = zbar_scan_image (zbar->scanner, image);
+  if (G_UNLIKELY (n == -1)) {
+    GST_WARNING_OBJECT (zbar, "Error trying to scan frame. Skipping");
+    goto out;
+  }
   if (n == 0)
     goto out;