From 7e2b15c094bb41ede9ce2a208982a20e4dfa26a6 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 1 Apr 2013 15:44:21 +0200
Subject: [PATCH] avfilter: check a malloc in avfilter_link().

Additionally change sizeof(type) into sizeof(var)
---
 libavfilter/avfilter.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 95fc700dc2..b7913a12cc 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -87,8 +87,11 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
         return AVERROR(EINVAL);
     }
 
-    src->outputs[srcpad] =
-    dst-> inputs[dstpad] = link = av_mallocz(sizeof(AVFilterLink));
+    link = av_mallocz(sizeof(*link));
+    if (!link)
+        return AVERROR(ENOMEM);
+
+    src->outputs[srcpad] = dst->inputs[dstpad] = link;
 
     link->src     = src;
     link->dst     = dst;