owncloud/core — pull request #10149 by icewind1991 (2014-08-04 13:46:06+00:00)
Title: Check result of storage wrappers

Currently if a storage wrapper doesn't return a storage object it will break the filesystem, this adds a simple check to verify that the returned value is indeed a storage.

Possibly related to owncloud/documents#283

cc @DeepDiver1975 @karlitschek