Check dlctx and dlset before detaching a dlctx from its parent dlset.
Check dlctx and dlset before detaching a dlctx from its parent dlset.

iychoi/syndicate,jcnelson/syndicate,jcnelson/syndicate,jcnelson/syndicate,jcnelson/syndicate,iychoi/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate