From 7b000b376d60d2461d0cf4320d44576a4fb33420 Mon Sep 17 00:00:00 2001
From: bsongis <bsongis@8db61ce9-5e8f-94c8-fa6b-1d1c8bcca7d0>
Date: Tue, 26 Jun 2012 20:14:12 +0000
Subject: [PATCH] Possible division per 0

---
 src/frsky.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/frsky.cpp b/src/frsky.cpp
index 8ea89b40a..fd0118fb1 100644
--- a/src/frsky.cpp
+++ b/src/frsky.cpp
@@ -791,11 +791,12 @@ void FrskyValueWithMinMax::set(uint8_t value, uint8_t unit)
 
 void frskyEvalCurrentConsumptionBoundary()
 {
-  if (g_model.frsky.currentSource == CURRENT_SOURCE_HUB) {
-    currentConsumptionBoundary = 3600;
-  }
-  else {
-    currentConsumptionBoundary = 360000L / (g_model.frsky.channels[g_model.frsky.currentSource-1].ratio << g_model.frsky.channels[g_model.frsky.currentSource-1].multiplier);
+  currentConsumptionBoundary = 3600;
+  if (g_model.frsky.currentSource > CURRENT_SOURCE_HUB) {
+    uint16_t divider = (g_model.frsky.channels[g_model.frsky.currentSource-1].ratio << g_model.frsky.channels[g_model.frsky.currentSource-1].multiplier);
+    if (divider > 5) {
+      currentConsumptionBoundary = 360000L / divider;
+    }
   }
 }