From 03eb55741427c6608f63972c105e565ca0ba4f15 Mon Sep 17 00:00:00 2001
From: Vittorio Giovara <vittorio.giovara@gmail.com>
Date: Fri, 24 Jul 2015 04:24:33 +0100
Subject: wmv2enc: Check memory allocation

---
 libavcodec/wmv2enc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/wmv2enc.c b/libavcodec/wmv2enc.c
index e4e51d32f9..e4d4159e37 100644
--- a/libavcodec/wmv2enc.c
+++ b/libavcodec/wmv2enc.c
@@ -63,6 +63,9 @@ static av_cold int wmv2_encode_init(AVCodecContext *avctx)
 
     avctx->extradata_size = 4;
     avctx->extradata      = av_mallocz(avctx->extradata_size + 10);
+    if (!avctx->extradata)
+        return AVERROR(ENOMEM);
+
     encode_ext_header(w);
 
     return 0;
-- 
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