Will the CoD4 map pack be gone forever if I delete the CoD game data on my PS3??

Question

Pretty much says it all in the title, but if i delete my CoD4 game data on my playstation, will I be able to play on the maps again after re-install?

I do not want to have to buy it again.

Answer 1

yes, the code can only be redeemed once to prevent people sharing