  def update_pref
    Log.add_info(request, params.inspect)

    return unless request.post?

    desktop = Desktop.get_for(@login_user, true)

    params[:desktop].delete(:user_id)

    desktop.update_attributes(params.require(:desktop).permit(Desktop::PERMIT_BASE))

    params.delete(:desktop)

    show
    render(:action => 'show')
  end
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.