From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 15 Feb 2018 18:45:32 +0000 (+0100)
Subject: dvr: fix NULL pointer dereference in dvr_entry_get_epg_running, fixes #4943, fixes... 
X-Git-Tag: v4.2.6~17
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=167ffeccf96914ac473d35e253253b51f2adeb2c;p=thirdparty%2Ftvheadend.git

dvr: fix NULL pointer dereference in dvr_entry_get_epg_running, fixes #4943, fixes #4967
---

diff --git a/src/dvr/dvr_db.c b/src/dvr/dvr_db.c
index 8272bab60..983070928 100644
--- a/src/dvr/dvr_db.c
+++ b/src/dvr/dvr_db.c
@@ -445,11 +445,15 @@ dvr_entry_get_rerecord_errors( dvr_entry_t *de )
 int
 dvr_entry_get_epg_running( dvr_entry_t *de )
 {
+  channel_t *ch;
+
   if (de->de_dvb_eid == 0)
     return 0;
-  if (de->de_channel->ch_epg_running < 0)
+  if ((ch = de->de_channel) == NULL)
+    return 0;
+  if (ch->ch_epg_running < 0)
     return de->de_config->dvr_running;
-  return de->de_channel->ch_epg_running > 0;
+  return ch->ch_epg_running > 0;
 }
 
 /*