From b997bd989ec68c657a0263f459545dbea50d6de3 Mon Sep 17 00:00:00 2001
From: Xinghan Yue <xinghan.x.yue@sonymobile.com>
Date: Mon, 28 Dec 2015 17:59:44 +0100
Subject: [PATCH] Fix "division by zero" crash after USB mass storage
 disconnects

File.java will return the total size in bytes of the partition
containing the path, and if the path does not exist,
it will return 0.

Change-Id: I134d4ec787b475e38bb37b4386bafcc419971c1e
---
 .../android/settings/deviceinfo/StorageVolumePreference.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/deviceinfo/StorageVolumePreference.java b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
index 3511b91d15c..04e0ffce36e 100644
--- a/src/com/android/settings/deviceinfo/StorageVolumePreference.java
+++ b/src/com/android/settings/deviceinfo/StorageVolumePreference.java
@@ -74,7 +74,9 @@ public class StorageVolumePreference extends Preference {
             final String used = Formatter.formatFileSize(context, usedBytes);
             final String total = Formatter.formatFileSize(context, totalBytes);
             setSummary(context.getString(R.string.storage_volume_summary, used, total));
-            mUsedPercent = (int) ((usedBytes * 100) / totalBytes);
+            if (totalBytes > 0) {
+                mUsedPercent = (int) ((usedBytes * 100) / totalBytes);
+            }
 
             if (freeBytes < mStorageManager.getStorageLowBytes(path)) {
                 mColor = StorageSettings.COLOR_WARNING;