Merge "Safe check so we don\'t move cursor beyond possible pos scope." into nyc-dev

am: 2360aa3

* commit '2360aa33db829121a25be271edbaaaf26e5b093e':
  Safe check so we don't move cursor beyond possible pos scope.

Change-Id: I6794563ae70782e773bdb83390758120f930fed8

packages/DocumentsUI/src/com/android/documentsui/dirlist/Model.java

@@ -149,7 +149,10 @@ public class Model {
 
         mCursor.moveToPosition(-1);
         for (int pos = 0; pos < mCursorCount; ++pos) {
-            mCursor.moveToNext();
+            if (!mCursor.moveToNext()) {
+                Log.e(TAG, "Fail to move cursor to next pos: " + pos);
+                return;
+            }
             positions[pos] = pos;
 
             // Generates a Model ID for a cursor entry that refers to a document. The Model ID is a