From 60ec3007e69ce8c5ae540c81b0bd21c1ebe1543a Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 1 Jul 2015 14:28:41 +0200
Subject: [PATCH] avformat/nutdec: Check ff_gen_search() for failure

Fixes assertion failure

Found-by: durandal_1707
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/nutdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 606deaa838..63b0cd2fb9 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;