[FFmpeg-cvslog] tmv: Check return value of avio_seek and avoid modifying state if it fails

[Joakim Plate]

ffmpeg | branch: master | Joakim Plate <elupus at ecce.se> | Fri Feb  3 19:13:43 2012 +0000| [066ad0926a53ea6ee9d5cb3e348160a881145e73] | committer: Justin Ruggles

tmv: Check return value of avio_seek and avoid modifying state if it fails

Signed-off-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Justin Ruggles <justin.ruggles at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=066ad0926a53ea6ee9d5cb3e348160a881145e73
---

 libavformat/tmv.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/libavformat/tmv.c b/libavformat/tmv.c
index 0f8ab59..8a96b72 100644
--- a/libavformat/tmv.c
+++ b/libavformat/tmv.c
@@ -174,7 +174,8 @@ static int tmv_read_seek(AVFormatContext *s, int stream_index,
     pos = timestamp *
           (tmv->audio_chunk_size + tmv->video_chunk_size + tmv->padding);
 
-    avio_seek(s->pb, pos + TMV_HEADER_SIZE, SEEK_SET);
+    if (avio_seek(s->pb, pos + TMV_HEADER_SIZE, SEEK_SET) < 0)
+        return -1;
     tmv->stream_index = 0;
     return 0;
 }