[FFmpeg-cvslog] loco: check the last plane too

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Feb 24 13:03:13 2013 +0100| [33796645dc35511ff7419b96535ad05dd73ffde8] | committer: Michael Niedermayer

loco: check the last plane too

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=33796645dc35511ff7419b96535ad05dd73ffde8
---

 libavcodec/loco.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavcodec/loco.c b/libavcodec/loco.c
index 559f7c2..e21e693 100644
--- a/libavcodec/loco.c
+++ b/libavcodec/loco.c
@@ -240,10 +240,14 @@ static int decode_frame(AVCodecContext *avctx,
         break;
     }
 
+    if (decoded < 0 || decoded > buf_size)
+        goto buf_too_small;
+    buf_size -= decoded;
+
     *got_frame      = 1;
     *(AVFrame*)data = l->pic;
 
-    return buf_size < 0 ? -1 : avpkt->size - buf_size;
+    return avpkt->size - buf_size;
 buf_too_small:
     av_log(avctx, AV_LOG_ERROR, "Input data too small.\n");
     return AVERROR(EINVAL);