From 21e034a47a2b407f0896114a995fd507f0f5230f Mon Sep 17 00:00:00 2001
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Date: Wed, 8 Apr 2015 14:38:11 +0200
Subject: [PATCH] avformat/libquvi: Fix whitelist handling

Fixes null pointer dereference

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavformat/libquvi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/libquvi.c b/libavformat/libquvi.c
index 0a593cc9cf..7c5f7a29b7 100644
--- a/libavformat/libquvi.c
+++ b/libavformat/libquvi.c
@@ -76,6 +76,9 @@ static int libquvi_read_header(AVFormatContext *s)
     if (rc != QUVI_OK)
         goto quvi_fail;
 
+    if (!(qc->fmtctx = avformat_alloc_context()))
+            goto quvi_fail;
+
     if ((ret = ff_copy_whitelists(qc->fmtctx, s)) < 0)
         goto end;