From 726e6e65441a9802b6678b05e5f78d82c8cad5f5 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 6 Mar 2019 20:01:26 +0100
Subject: [PATCH] freesat bouquet parser: fix endless loop (double list
 insert), fixes #4851

---
 src/input/mpegts/dvb_psi.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/input/mpegts/dvb_psi.c b/src/input/mpegts/dvb_psi.c
index aa408489f..8a87d383b 100644
--- a/src/input/mpegts/dvb_psi.c
+++ b/src/input/mpegts/dvb_psi.c
@@ -757,13 +757,17 @@ dvb_freesat_completed
             bs->fallback = fs;
           continue;
         }
+        /* already assigned? skip it */
+        if (TAILQ_SAFE_ENTRY(fs, region_link))
+          continue;
         LIST_FOREACH(fr, &bi->fregions, link)
           if (fr->regionid == fs->regionid)
             break;
-        if (!fr)
+        if (!fr) {
           tvhtrace(mt->mt_subsys, "%s: cannot find freesat region id %u", mt->mt_name, fs->regionid);
-        else
-          TAILQ_INSERT_TAIL(&fr->services, fs, region_link);
+          continue;
+        }
+        TAILQ_INSERT_TAIL(&fr->services, fs, region_link);
       }
   }
 
-- 
2.47.2