commit a28071306ec86da664603ff08e74ec7acadbd427
author Amith Yamasani <yamasani@google.com> Thu Jan 26 12:35:14 2017 -0800
committer Amith Yamasani <yamasani@google.com> Thu Jan 26 12:36:55 2017 -0800
tree 4e9fc30050ecc9d1054171fa93446cb169744e69
parent 9e77aefe9ce2c3caa8c0daebf21c86088e10b951

Clear up /data/misc_ce/user folder on delete and reboot

Clean up the folder to avoid leaving residue behind when
a user is removed. This was causing issues with reusing
the userid. Also check on reboot for incomplete cleanup
and remove the folders.

Change-Id: Icd21d2669249d5f87032ef0fe95bad49537fa477
Fixes: 34736064
Test: Manual

core/java/android/os/Environment.java

diff --git a/core/java/android/os/Environment.java b/core/java/android/os/Environment.java
index 8d9ceb6..7cdb3ce 100644
--- a/core/java/android/os/Environment.java
+++ b/core/java/android/os/Environment.java
@@ -272,6 +272,11 @@
     }
 
     /** {@hide} */
+    public static File getDataMiscCeDirectory() {
+        return buildPath(getDataDirectory(), "misc_ce");
+    }
+
+    /** {@hide} */
     public static File getDataMiscCeDirectory(int userId) {
         return buildPath(getDataDirectory(), "misc_ce", String.valueOf(userId));
     }

services/core/java/com/android/server/pm/PackageManagerService.java

diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 23a6a90..abf3526 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -21333,9 +21333,11 @@
                 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) {
                     FileUtils.deleteContentsAndDir(Environment.getUserSystemDirectory(userId));
                     FileUtils.deleteContentsAndDir(Environment.getDataSystemDeDirectory(userId));
+                    FileUtils.deleteContentsAndDir(Environment.getDataMiscDeDirectory(userId));
                 }
                 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) {
                     FileUtils.deleteContentsAndDir(Environment.getDataSystemCeDirectory(userId));
+                    FileUtils.deleteContentsAndDir(Environment.getDataMiscCeDirectory(userId));
                 }
             }
 
@@ -21363,6 +21365,8 @@
                 .listFilesOrEmpty(Environment.getDataSystemDeDirectory()));
         Collections.addAll(files, FileUtils
                 .listFilesOrEmpty(Environment.getDataSystemCeDirectory()));
+        Collections.addAll(files, FileUtils
+                .listFilesOrEmpty(Environment.getDataMiscCeDirectory()));
         for (File file : files) {
             if (!file.isDirectory()) continue;