!9662 tls: fix missing memory barrier in tls_init

		return NULL;

	mutex_init(&ctx->tx_lock);

	rcu_assign_pointer(icsk->icsk_ulp_data, ctx);

	ctx->sk_proto = READ_ONCE(sk->sk_prot);

	ctx->sk = sk;

	/* Release semantic of rcu_assign_pointer() ensures that

	 * ctx->sk_proto is visible before changing sk->sk_prot in

	 * update_sk_prot(), and prevents reading uninitialized value in

	 * tls_{getsockopt, setsockopt}. Note that we do not need a

	 * read barrier in tls_{getsockopt,setsockopt} as there is an

	 * address dependency between sk->sk_proto->{getsockopt,setsockopt}

	 * and ctx->sk_proto.

	 */

	rcu_assign_pointer(icsk->icsk_ulp_data, ctx);

	return ctx;

}