From b314f56c009ee9a40d17ea324de01c847dc39b7a Mon Sep 17 00:00:00 2001
From: Jon Trulson <jtrulson@ics.com>
Date: Tue, 7 Mar 2017 14:23:39 -0700
Subject: [PATCH] l298: fix a potential divied-by-zero

Signed-off-by: Jon Trulson <jtrulson@ics.com>
---
 src/l298/l298.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/l298/l298.cxx b/src/l298/l298.cxx
index 75d7587f..288eb96b 100644
--- a/src/l298/l298.cxx
+++ b/src/l298/l298.cxx
@@ -238,6 +238,9 @@ void L298::setSpeed(int speed)
 
   if (m_stepper)
     {
+      // prevent a possible divide by 0
+      if (!speed)
+         speed = 1;
       m_stepDelay = 60 * 1000 / m_stepsPerRev / speed;
     }
 }