From bd141f5ec97f394d1043a2f9778d74ba1008db26 Mon Sep 17 00:00:00 2001
From: Janne Grunau <janne-libav@jannau.net>
Date: Tue, 9 Oct 2012 21:45:23 +0200
Subject: [PATCH] mxfdec: return error if no segments are available in
 mxf_get_sorted_table_segments

Fixes CID732275.
---
 libavformat/mxfdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 9a61d0243e..25d18f4829 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -950,6 +950,9 @@ static int mxf_get_sorted_table_segments(MXFContext *mxf, int *nb_sorted_segment
         if (mxf->metadata_sets[i]->type == IndexTableSegment)
             nb_segments++;
 
+    if (!nb_segments)
+        return AVERROR_INVALIDDATA;
+
     *sorted_segments  = av_mallocz(nb_segments * sizeof(**sorted_segments));
     unsorted_segments = av_mallocz(nb_segments * sizeof(*unsorted_segments));
     if (!sorted_segments || !unsorted_segments) {