From d022231a3ab4e32f6e0dc783790da85e1588bc25 Mon Sep 17 00:00:00 2001
From: Gabriel Ozouf <gabriel.ozouf@numworks.com>
Date: Mon, 4 Jan 2021 15:19:24 +0100
Subject: [PATCH] [statistics] Fix use of uninitialized variable

---
 apps/statistics/histogram_parameter_controller.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/apps/statistics/histogram_parameter_controller.cpp b/apps/statistics/histogram_parameter_controller.cpp
index f057c922f..3ba5cff2b 100644
--- a/apps/statistics/histogram_parameter_controller.cpp
+++ b/apps/statistics/histogram_parameter_controller.cpp
@@ -26,8 +26,12 @@ HistogramParameterController::HistogramParameterController(Responder * parentRes
 
 void HistogramParameterController::viewWillAppear() {
   // Initialize temporary parameters to the extracted value.
+  /* setParameterAtIndex uses the value of the other parameter, so we need to
+   * manually set the value of the second parameter before the first call. */
+  double parameterAtIndex1 = extractParameterAtIndex(1);
+  m_tempFirstDrawnBarAbscissa = parameterAtIndex1;
   setParameterAtIndex(0, extractParameterAtIndex(0));
-  setParameterAtIndex(1, extractParameterAtIndex(1));
+  setParameterAtIndex(1, parameterAtIndex1);
   FloatParameterController::viewWillAppear();
 }