From dc0d551b5235a308985bf6f2e8fa85725018f9bf Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 10 Jul 2012 01:20:13 +0000
Subject: [PATCH] exr: use buf_size instead of recalculating same value

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavcodec/exr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 6388794b2b..113eb88082 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -173,7 +173,7 @@ static int decode_frame(AVCodecContext *avctx,
     s->channel_offsets[3] = -1;
     s->bits_per_color_id = -1;
 
-    if (buf_end - buf < 10) {
+    if (buf_size < 10) {
         av_log(avctx, AV_LOG_ERROR, "Too short header to parse\n");
         return -1;
     }