From f5e7c016e8d1342cfe44613ea0d0e2714ced4031 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Tue, 17 Dec 2019 16:58:45 +0100
Subject: [PATCH] [apps] GlobalPreferences: avoid multiple calls to examMode()

---
 apps/global_preferences.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/apps/global_preferences.cpp b/apps/global_preferences.cpp
index 52572a469..7a0763e49 100644
--- a/apps/global_preferences.cpp
+++ b/apps/global_preferences.cpp
@@ -14,11 +14,12 @@ GlobalPreferences::ExamMode GlobalPreferences::examMode() const {
 }
 
 void GlobalPreferences::setExamMode(ExamMode mode) {
-  if (examMode() == mode) {
+  ExamMode currentMode = examMode();
+  if (currentMode == mode) {
     return;
   }
   assert(mode != ExamMode::Unknown);
-  int8_t deltaMode = (int8_t)mode - (int8_t)examMode();
+  int8_t deltaMode = (int8_t)mode - (int8_t)currentMode;
   deltaMode = deltaMode < 0 ? deltaMode + 3 : deltaMode;
   assert(deltaMode > 0);
   Ion::ExamMode::IncrementExamMode(deltaMode);