From aef81fa75df2f25655bd762a044cac992e98a40e Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 11 Oct 2012 00:47:15 +0200
Subject: [PATCH] vf_idet: fix free after use

Fixes ticket #2449

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit cac749a551b2a068ff4636b3d42ccb8cce46c256)
---
 libavfilter/vf_idet.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavfilter/vf_idet.c b/libavfilter/vf_idet.c
index 8942ced4f3..56a3c20a54 100644
--- a/libavfilter/vf_idet.c
+++ b/libavfilter/vf_idet.c
@@ -176,6 +176,7 @@ static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
     idet->prev = idet->cur;
     idet->cur  = idet->next;
     idet->next = picref;
+    link->cur_buf = NULL;
 
     if (!idet->cur)
         return 0;