Middlesbrough boss Gareth Southgate won't make any early decision over a potential move to Rangers for winger Adam Johnson.
Southgate is keen to establish the success of his own squad strengthening before deciding on Johnson's future, so it is likely to be later in the summer before Rangers know whether any deal can be pushed through.
A loan period at Ibrox would grant the player an opportunity to sample European football, while also providing Smith with a quality attacking option as he faces up to being without Steven Naismith and Chris Burke for a large chunk of next season.