From 27e894f05eca8f8a57316b320d91c963bf8d5968 Mon Sep 17 00:00:00 2001
From: Kurt Hindenburg <kurt.hindenburg@gmail.com>
Date: Sat, 6 Jan 2018 18:57:04 -0500
Subject: [PATCH] add check for division by zero

---
 src/ScrollState.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ScrollState.cpp b/src/ScrollState.cpp
index 9aaabaed..e5b486d0 100644
--- a/src/ScrollState.cpp
+++ b/src/ScrollState.cpp
@@ -41,7 +41,10 @@ void ScrollState::clearAll()
 
 int ScrollState::consumeLegacySteps(int stepsize)
 {
-    int steps = _remainingScrollAngle / stepsize;
+    if (stepsize < 1) {
+        stepsize = DEFAULT_ANGLE_SCROLL_LINE;
+    }
+    const int steps = _remainingScrollAngle / stepsize;
     _remainingScrollAngle -= steps * stepsize;
     if (steps != 0) {
         _remainingScrollPixel = 0;