From: Joakim Plate <elupus@ecce.se>
Date: Wed, 14 Sep 2011 17:33:20 +0000 (+0200)
Subject: [tta] Check return value of avio_seek and avoid modifying state if it fails
X-Git-Tag: android-x86-4.4-r1~16212
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=d9d7174d70cb291ce9fc7a5e1fc1a420bbb729cb;p=android-x86%2Fexternal-ffmpeg.git

[tta] Check return value of avio_seek and avoid modifying state if it fails
---

diff --git a/libavformat/tta.c b/libavformat/tta.c
index 5b07b09b65..23e54b2fda 100644
--- a/libavformat/tta.c
+++ b/libavformat/tta.c
@@ -137,9 +137,10 @@ 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;
 }