415 	struct verifier_stack_elem *elem;  in pop_stack()  local
425 	elem = env->head->next;  in pop_stack()
427 	env->head = elem;  in pop_stack()
435 	struct verifier_stack_elem *elem;  in push_stack()  local
437 	elem = kmalloc(sizeof(struct verifier_stack_elem), GFP_KERNEL);  in push_stack()
438 	if (!elem)  in push_stack()
441 	memcpy(&elem->st, &env->cur_state, sizeof(env->cur_state));  in push_stack()
442 	elem->insn_idx = insn_idx;  in push_stack()
443 	elem->prev_insn_idx = prev_insn_idx;  in push_stack()
444 	elem->next = env->head;  in push_stack()
445 	env->head = elem;  in push_stack()
451 	return &elem->st;  in push_stack()