From 490617b6ffa13f8e49a196a752f927d5ebad6e2b Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Wed, 14 Sep 2011 11:16:42 -0400
Subject: [PATCH] mpc7: return error if packet is too small. (cherry picked
 from commit 8290d1f38b438f1b070de67645c8b4a42014c7ac)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/mpc7.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/mpc7.c b/libavcodec/mpc7.c
index 515bbf60a7..6477edcf28 100644
--- a/libavcodec/mpc7.c
+++ b/libavcodec/mpc7.c
@@ -203,6 +203,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
     memset(bands, 0, sizeof(bands));
     if(buf_size <= 4){
         av_log(avctx, AV_LOG_ERROR, "Too small buffer passed (%i bytes)\n", buf_size);
+        return AVERROR(EINVAL);
     }
 
     out_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4;