Sympathetic (crooked) guards and top cons run the system, not wardens and politicians.
Here are just a few stories from around the country:
Smuggling Increases In Prison Where Smoking Banned
Scroll to:No Smoking in Prison Creates New Smuggling Problem
Archived Entry: Prisoners go on strike in Maryland
As Smokefree Prison Laws Increase Nationally, Some Problems Emerge
Of course not, like illegal drugs, the prisoners gets what they want including cigerettes, why bother rioting.