movtextdec: fix return value for too small packets.

9009fa6d · Nicolas George · 3d5dc7d8 · 9009fa6d
Commit 9009fa6d authored Jul 29, 2012 by Nicolas George
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movtextdec.c libavcodec/movtextdec.c +1 -1

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--- 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