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

[Joakim Plate]

ffmpeg | branch: master | Joakim Plate <elupus at ecce.se> | Wed Sep 14 19:26:57 2011 +0200| [e22155ef0eb393dfc8f6e2a6d9d47d95a8aea9c3] | committer: Joakim Plate

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e22155ef0eb393dfc8f6e2a6d9d47d95a8aea9c3
---

 libavformat/nsvdec.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index bf03cec..b3bb31f 100644
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -703,7 +703,9 @@ static int nsv_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
     if(index < 0)
         return -1;
 
-    avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
+    if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+        return -1;
+
     nst->frame_offset = st->index_entries[index].timestamp;
     nsv->state = NSV_UNSYNC;
     return 0;