[FFmpeg-cvslog] avformat/nutdec: Check ff_gen_search() for failure

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Jul  1 14:28:41 2015 +0200| [60ec3007e69ce8c5ae540c81b0bd21c1ebe1543a] | committer: Michael Niedermayer

avformat/nutdec: Check ff_gen_search() for failure

Fixes assertion failure

Found-by: durandal_1707
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=60ec3007e69ce8c5ae540c81b0bd21c1ebe1543a
---

 libavformat/nutdec.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 606deaa..63b0cd2 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -1280,6 +1280,8 @@ static int read_seek(AVFormatContext *s, int stream_index,
                             next_node[1]->pos, next_node[1]->pos,
                             next_node[0]->ts, next_node[1]->ts,
                             AVSEEK_FLAG_BACKWARD, &ts, nut_read_timestamp);
+        if (pos < 0)
+            return pos;
 
         if (!(flags & AVSEEK_FLAG_BACKWARD)) {
             dummy.pos    = pos + 16;