From 6ebfd334789fb0fc654da1b7359aee81d0b25d5b Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Thu, 29 Oct 2015 09:24:58 +0100
Subject: [PATCH] coverity scan CID 22503: negative array index write

---
 src/summary.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/summary.c b/src/summary.c
index f38839db0..4b7e037a8 100644
--- a/src/summary.c
+++ b/src/summary.c
@@ -414,6 +414,7 @@ summary *make_summary(void)
             for (u = r->units; u; u = u->next)
                 freset(u->faction, FFL_SELECT);
             for (u = r->units; u; u = u->next) {
+                int orace;
                 f = u->faction;
                 if (!is_monsters(u->faction)) {
                     skill *sv;
@@ -452,7 +453,10 @@ summary *make_summary(void)
 
                 f->num_total += u->number;
                 f->money += get_money(u);
-                s->poprace[old_race(u_race(u))] += u->number;
+                orace = (int)old_race(u_race(u));
+                if (orace >= 0) {
+                    s->poprace[orace] += u->number;
+                }
             }
         }
     }