name2 might not exist. Don't use it for debugging if so

diff --git a/src/main/modcall.c b/src/main/modcall.c
index 00324d686ea3132ec3753529da8b2c477c44b156..253b1bb6aaf0ea665e82e110636d932f46bc1b9c 100644 (file)
--- a/src/main/modcall.c
+++ b/src/main/modcall.c
@@ -3881,7 +3881,13 @@ bool modcall_pass2(modcallable *mc)
                                char const *name1 = cf_section_name1(g->cs);
 
                                if (strcmp(name1, unlang_keyword[c->type]) != 0) {
-                                       c->debug_name = talloc_asprintf(c, "%s %s", name1, cf_section_name2(g->cs));
+                                       name2 = cf_section_name2(g->cs);
+
+                                       if (!name2) {
+                                               c->debug_name = name1;
+                                       } else {
+                                               c->debug_name = talloc_asprintf(c, "%s %s", name1, name2);
+                                       }
                                }
                        }