Merge "PackageManager: Avoid null access"
am: 9b8008e9e8

Change-Id: Iabb496c276c250ed8edde6da0fe419925f5426e3
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index d1abd63..a54cf1a 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -3375,6 +3375,13 @@
         // "/data/system/package_cache/1"
         File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION);
 
+        if (cacheDir == null) {
+            // Something went wrong. Attempt to delete everything and return.
+            Slog.wtf(TAG, "Cache directory cannot be created - wiping base dir " + cacheBaseDir);
+            FileUtils.deleteContentsAndDir(cacheBaseDir);
+            return null;
+        }
+
         // The following is a workaround to aid development on non-numbered userdebug
         // builds or cases where "adb sync" is used on userdebug builds. If we detect that
         // the system partition is newer.