How would the original Dodd-Frank legislation have stopped Frank's own bank from failing? Or is it the case that there are always inherent risks in banking and

How would the original Dodd-Frank legislation have stopped Frank's own bank from failing? Or is it the case that there are always inherent risks in banking and that no legislation is sufficient to prevent all failures? Perhaps even, sometimes legislation has unintended side effects that lead to adaptive behavior in the market which then causes a shift in risk patterns that then ultimately causes a different, altogether unforeseen disaster?