Young forward to link up with Millers
Morris is currently on loan to fellow Sky Bet Championship side Rotherham United, although is yet to feature having sustained a minor hamstring injury prior to joining the Millers.
After penning terms on a fresh deal at Carrow Road, Morris told canaries.co.uk: "
City boss Alex Neil added: "Carlton is a young player who we believe has plenty to offer us in the years ahead.
"We're looking forward to playing an active role in his ongoing development as a footballer. In the short-term, he can hopefully go away and get some games at Rotherham as part of that development process."