From 6fd075f1806e375f66ce436cca15e085f0088118 Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Mon, 19 Dec 2011 08:43:10 -0500
Subject: adxdec: Validate channel count to fix a division by zero.

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

(limited to 'libavcodec/adx.c')

diff --git a/libavcodec/adx.c b/libavcodec/adx.c
index aa90fd89c3..1e5d89c991 100644
--- a/libavcodec/adx.c
+++ b/libavcodec/adx.c
@@ -58,7 +58,7 @@ int avpriv_adx_decode_header(AVCodecContext *avctx, const uint8_t *buf,
 
     /* channels */
     avctx->channels = buf[7];
-    if (avctx->channels > 2)
+    if (avctx->channels <= 0 || avctx->channels > 2)
         return AVERROR_INVALIDDATA;
 
     /* sample rate */
-- 
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