From 743a867df2f032be5318748dc55d6b88bbd0675f Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno@eressea.de>
Date: Sat, 21 Feb 2004 16:11:51 +0000
Subject: [PATCH] pointer exception when faction of travelthru-unit is null

---
 src/common/kernel/eressea.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/common/kernel/eressea.c b/src/common/kernel/eressea.c
index 84ac3e9cf..3ebf2d7aa 100644
--- a/src/common/kernel/eressea.c
+++ b/src/common/kernel/eressea.c
@@ -1952,8 +1952,10 @@ update_intervals(void)
 
     for (ru = a_find(r->attribs, &at_travelunit); ru; ru = ru->nexttype) {
       faction * f = ((unit*)ru->data.v)->faction;
-      if (f->first==NULL) f->first = r;
-      f->last = r->next;
+      if (f!=NULL) {
+        if (f->first==NULL) f->first = r;
+        f->last = r->next;
+      }
     }
 
     ulist = get_lighthouses(r);