From e54165aa392322bbeeb823fc33a17336e465b7b5 Mon Sep 17 00:00:00 2001
From: Joakim Plate <elupus@ecce.se>
Date: Fri, 3 Feb 2012 19:13:44 +0000
Subject: [PATCH] tta: Check return value of avio_seek and avoid modifying
 state if it fails

Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
---
 libavformat/tta.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/tta.c b/libavformat/tta.c
index 4d6bc0aff2..d7d41172d6 100644
--- a/libavformat/tta.c
+++ b/libavformat/tta.c
@@ -142,9 +142,10 @@ static int tta_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
     int index = av_index_search_timestamp(st, timestamp, flags);
     if (index < 0)
         return -1;
+    if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+        return -1;
 
     c->currentframe = index;
-    avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
 
     return 0;
 }