From 5f5ada3dbf97e306a74250ba8dcf8619ad59b020 Mon Sep 17 00:00:00 2001
From: Tim Walker <tdskywalker@gmail.com>
Date: Wed, 9 Oct 2013 11:47:04 +0200
Subject: [PATCH] shorten: Fix out-of-array read

pred_order == FF_ARRAY_ELEMS(fixed_coeffs) is invalid too.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 libavcodec/shorten.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c
index 5ca38c63d6..31251ac95b 100644
--- a/libavcodec/shorten.c
+++ b/libavcodec/shorten.c
@@ -303,7 +303,7 @@ static int decode_subframe_lpc(ShortenContext *s, int command, int channel,
     } else {
         /* fixed LPC coeffs */
         pred_order = command;
-        if (pred_order > FF_ARRAY_ELEMS(fixed_coeffs)) {
+        if (pred_order >= FF_ARRAY_ELEMS(fixed_coeffs)) {
             av_log(s->avctx, AV_LOG_ERROR, "invalid pred_order %d\n",
                    pred_order);
             return AVERROR_INVALIDDATA;