The Ellisons may still get Warner Bros. But it won't be easy.

Larry Ellison backed the deal that let his son David buy Paramount this year. They were set to acquire Warner Bros. Discovery in the coming weeks — but a court challenge from the state of California means all bets are off. Eric Charbonneau/Getty Images for The Hollywood Reporter Larry and David Ellison bought Paramount last year. They were set to acquire Warner Bros. Discovery in the very near future. But a legal challenge from California's attorney general has thrown a big roadblock into the…