From 9009fa6de4004b5d9ddb2429784ac234123ec7e5 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Sun, 29 Jul 2012 14:56:59 +0200
Subject: [PATCH] movtextdec: fix return value for too small packets.

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

diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c
index 43ebb789d6..b34523d358 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