From f7dbf86d935376d622db7ada1a3fe1bf64e8e8b0 Mon Sep 17 00:00:00 2001
From: Benjamin Larsson <banan@ludd.ltu.se>
Date: Sat, 19 Jul 2008 15:48:53 +0000
Subject: [PATCH] Fix for possible null pointer dereferencing, closes Coverity
 report 68 run 2.

Originally committed as revision 14305 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/qdm2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index 87bcb47adc..e4a7878a8c 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -1452,6 +1452,9 @@ static void qdm2_decode_fft_packets (QDM2Context *q)
         max = min;
 
         /* check for errors (?) */
+        if (!packet)
+            return;
+
         if (i == 0 && (packet->type < 16 || packet->type >= 48 || fft_subpackets[packet->type - 16]))
             return;