return false when elb is null
return false when elb is null

spinnaker/deck,ajordens/deck,kenzanlabs/deck,kenzanlabs/deck,ajordens/deck,ajordens/deck,duftler/deck,icfantv/deck,spinnaker/deck,zanthrash/deck-1,HaishiBai/deck,duftler/deck,duftler/deck,icfantv/deck,icfantv/deck,zanthrash/deck-old,kenzanlabs/deck,icfantv/deck,duftler/deck,zanthrash/deck-1,spinnaker/deck,sgarlick987/deck,sgarlick987/deck,sgarlick987/deck,HaishiBai/deck,spinnaker/deck,zanthrash/deck-1,zanthrash/deck-old,ajordens/deck,HaishiBai/deck,sgarlick987/deck