From be4d1029c56a3613db693db010e897e6eed879e4 Mon Sep 17 00:00:00 2001
From: William JCM <w.jcm59@gmail.com>
Date: Tue, 3 Aug 2021 20:38:19 +0200
Subject: [PATCH] ResearchTree: add a missing early return.

---
 src/ResearchTree/ResearchTree.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ResearchTree/ResearchTree.cpp b/src/ResearchTree/ResearchTree.cpp
index b6ddb3e..d5b2f64 100644
--- a/src/ResearchTree/ResearchTree.cpp
+++ b/src/ResearchTree/ResearchTree.cpp
@@ -381,6 +381,7 @@ void ResearchTree::generateArchTree() {
 void ResearchTree::readEngineUnlocks(Containers::ArrayView<Int> engines, Containers::ArrayView<Int> gears) {
     if(engines == nullptr || engines.size() == 0) {
         Utility::Error{} << "Engines can't be empty";
+        return;
     }
 
     for(Int& engine : engines) {