From ab3fdaa7131e2fd8e33006daea25a282724c01f0 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sat, 3 May 2014 10:48:03 +0200
Subject: [PATCH] yop: only set extradata size after it has been successfully
 allocated

Do not leave a non-zero extradata_size set on failure
---
 libavformat/yop.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/libavformat/yop.c b/libavformat/yop.c
index 8caeb07157..ea3175e33b 100644
--- a/libavformat/yop.c
+++ b/libavformat/yop.c
@@ -62,13 +62,12 @@ static int yop_read_header(AVFormatContext *s)
     video_stream = avformat_new_stream(s, NULL);
 
     // Extra data that will be passed to the decoder
-    video_stream->codec->extradata_size = 8;
 
-    video_stream->codec->extradata = av_mallocz(video_stream->codec->extradata_size +
-                                                FF_INPUT_BUFFER_PADDING_SIZE);
+    video_stream->codec->extradata = av_mallocz(8 + FF_INPUT_BUFFER_PADDING_SIZE);
 
     if (!video_stream->codec->extradata)
         return AVERROR(ENOMEM);
+    video_stream->codec->extradata_size = 8;
 
     // Audio
     audio_dec               = audio_stream->codec;