[FFmpeg-cvslog] movtextdec: fix return value for too small packets.

[Nicolas George]

ffmpeg | branch: master | Nicolas George <nicolas.george at normalesup.org> | Sun Jul 29 14:56:59 2012 +0200| [9009fa6de4004b5d9ddb2429784ac234123ec7e5] | committer: Nicolas George

movtextdec: fix return value for too small packets.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9009fa6de4004b5d9ddb2429784ac234123ec7e5
---

 libavcodec/movtextdec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c
index 43ebb78..b34523d 100644
--- a/libavcodec/movtextdec.c
+++ b/libavcodec/movtextdec.c
@@ -66,7 +66,7 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
     const char *end;
 
     if (!ptr || avpkt->size <= 2)
-        return 0;
+        return avpkt->size ? AVERROR_INVALIDDATA : 0;
 
     /*
      * The first two bytes of the packet are the length of the text string