[FFmpeg-cvslog] mxfdec: return error if no segments are available in mxf_get_sorted_table_segments

[Janne Grunau]

ffmpeg | branch: master | Janne Grunau <janne-libav at jannau.net> | Tue Oct  9 21:45:23 2012 +0200| [bd141f5ec97f394d1043a2f9778d74ba1008db26] | committer: Janne Grunau

mxfdec: return error if no segments are available in mxf_get_sorted_table_segments

Fixes CID732275.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bd141f5ec97f394d1043a2f9778d74ba1008db26
---

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

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 9a61d02..25d18f4 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) {