Smith appeared in three preseason games for Boston this year, yielding a 1-0-1 record with a 2.02 goals against average and .922 save percentage.
The 26-year-old netminder played in 39 regular season games for Providence during the 2014-15 season accruing a 22-11-5 record, 2.05 goals against average and a .933 save percentage.
At the American Hockey League level, Smith has a record of 109-71-15 in 204 regular season games, recording a career 2.41 goals against average and .916 save percentage.
Smith played four seasons in the Predators organization from 2009-13 before signing with Columbus as a free agent on July 5, 2013. He played one season in the Blue Jackets organization with their AHL affiliate in Springfield.