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

diff --git a/src/dvr/dvr_db.c b/src/dvr/dvr_db.c
index 8272bab6049434bb769229850f22e3b2fbe73bfd..983070928c701e583fd0720da6c98daba8f94bc9 100644 (file)
--- 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;
 }
 
 /*