From 05c709bebe2f01f7f66d04cab1386f12d1e5b4dd Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 30 Dec 2022 00:14:53 -0800
Subject: core: hid: emulated_console: Avoid a crash if frontend does not
 configure touch_from_button_maps.

---
 src/core/hid/emulated_console.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/hid/emulated_console.cpp b/src/core/hid/emulated_console.cpp
index 30c2e9d17..1c91bbe40 100644
--- a/src/core/hid/emulated_console.cpp
+++ b/src/core/hid/emulated_console.cpp
@@ -40,6 +40,11 @@ void EmulatedConsole::SetTouchParams() {
         touch_params[index++] = std::move(touchscreen_param);
     }
 
+    if (Settings::values.touch_from_button_maps.empty()) {
+        LOG_WARNING(Input, "touch_from_button_maps is unset by frontend config");
+        return;
+    }
+
     const auto button_index =
         static_cast<u64>(Settings::values.touch_from_button_map_index.GetValue());
     const auto& touch_buttons = Settings::values.touch_from_button_maps[button_index].buttons;
-- 
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