From: Vittorio Giovara <vittorio.giovara@gmail.com>
Date: Sat, 18 Oct 2014 00:12:19 +0000 (+0100)
Subject: wtv: check seek_by_sector return value
X-Git-Tag: n2.5~28^2~243
X-Git-Url: http://git.ffmpeg.org/gitweb/ffmpeg.git/commitdiff_plain/9fbc613f0df1628e7e78bca791fa8833846f8210

wtv: check seek_by_sector return value

CC: libav-stable@libav.org
Bug-Id: CID 1198258
---

diff --git a/libavformat/wtv.c b/libavformat/wtv.c
index c85f374499..a3f8c27388 100644
--- a/libavformat/wtv.c
+++ b/libavformat/wtv.c
@@ -972,7 +972,9 @@ static int read_header(AVFormatContext *s)
     avio_skip(s->pb, 4);
     root_sector = avio_rl32(s->pb);
 
-    seek_by_sector(s->pb, root_sector, 0);
+    ret = seek_by_sector(s->pb, root_sector, 0);
+    if (ret < 0)
+        return ret;
     root_size = avio_read(s->pb, root, root_size);
     if (root_size < 0)
         return AVERROR_INVALIDDATA;