From 13c367a14b8abc617d65b853a5e1dc074219cff0 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Fri, 20 Jun 2014 17:49:42 +0200
Subject: [PATCH] IPTV: fix possible NULL dereference

---
 src/input/mpegts/iptv/iptv.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/input/mpegts/iptv/iptv.c b/src/input/mpegts/iptv/iptv.c
index 070c5e39..ed986dc5 100644
--- a/src/input/mpegts/iptv/iptv.c
+++ b/src/input/mpegts/iptv/iptv.c
@@ -321,6 +321,8 @@ iptv_input_recv_packets ( iptv_mux_t *im, ssize_t len, size_t off )
 {
   static time_t t1 = 0, t2;
   iptv_network_t *in = (iptv_network_t*)im->mm_network;
+  mpegts_mux_instance_t *mmi;
+
   in->in_bps += len * 8;
   time(&t2);
   if (t2 != t1) {
@@ -337,8 +339,10 @@ iptv_input_recv_packets ( iptv_mux_t *im, ssize_t len, size_t off )
   }
 
   /* Pass on */
-  mpegts_input_recv_packets((mpegts_input_t*)iptv_input, im->mm_active,
-                            &im->mm_iptv_buffer, off, NULL, NULL);
+  mmi = im->mm_active;
+  if (mmi)
+    mpegts_input_recv_packets((mpegts_input_t*)iptv_input, mmi,
+                              &im->mm_iptv_buffer, off, NULL, NULL);
 }
 
 void