From 30f680ee0a2707af9a649a0aa3fd951d18a25c05 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 25 Aug 2014 02:17:32 +0200
Subject: [PATCH] avcodec/vc1dec: fix null pointer dereference

Fixes Ticket3860

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/vc1dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index bcfa4dfc0ad..a25c3d955c1 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5484,7 +5484,7 @@ static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
     if (ret < 0)
         return ret;
 
-    if (!s->current_picture.f->data[0]) {
+    if (!s->current_picture.f || !s->current_picture.f->data[0]) {
         av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
         return -1;
     }
-- 
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