From 6e80fe1ecd984a59bb6c73cbb436cc06536b7728 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Tue, 14 Jul 2015 15:49:41 +0200
Subject: [PATCH] ffmpeg: Fix cleanup after failed allocation of output_files
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Fixes: 39a25908b84604acdaa490138282d091_signal_sigsegv_7ffff713351a_331_WAWV.avi with memlimit of 262144

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 ffmpeg.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index cb5018704d..844034e7e7 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -500,7 +500,10 @@ static void ffmpeg_cleanup(int ret)
     /* close files */
     for (i = 0; i < nb_output_files; i++) {
         OutputFile *of = output_files[i];
-        AVFormatContext *s = of->ctx;
+        AVFormatContext *s;
+        if (!of)
+            continue;
+        s = of->ctx;
         if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
             avio_closep(&s->pb);
         avformat_free_context(s);