J.D. Salinger has died.
Like everybody else, I will be glad to see (in due time) if he's left behind any new writing.
Probably unlike everybody else, I will be very angry if people make a movie of That Book. And, of course, if anybody tries to make a movie of That Other Book, I will also be angry. Salinger's has a right to his work as he conceived and produced it, and a right to his characters as embodied in their typographical universe.
I suppose it's possible he left behind permission to make movies of his work, but this would be bizarre in the extreme.
Have you ever performed the Franny and Zooey litmus test? A little like the Gramercy Park one.