From 442ab76d229bc8c8d18ce765ef7e4218d38aef97 Mon Sep 17 00:00:00 2001
From: "Ying Wai (Daniel) Fan" <danfan@google.com>
Date: Tue, 31 Jan 2017 22:00:10 -0800
Subject: Prevent division-by-zero error when calculating battery capacity.

Bug: 34255953
Change-Id: Ie072cd5dc26faf17e8ab46ea0795750396f087c2
Fixes: 34255953
Test: formula change CL. No existing unit tests found.
---
 core/java/com/android/internal/os/BatteryStatsImpl.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index c34c3794da54..f3f34a88f17b 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -9711,7 +9711,7 @@ public class BatteryStatsImpl extends BatteryStats {
                 }
                 doWrite = true;
                 resetAllStatsLocked();
-                if (chargeUAh > 0) {
+                if (chargeUAh > 0 && level > 0) {
                     // Only use the reported coulomb charge value if it is supported and reported.
                     mEstimatedBatteryCapacity = (int) ((chargeUAh / 1000) / (level / 100.0));
                 }
-- 
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