2330 	struct bpf_func_state *caller, *callee;  in check_func_call()  local
2354 	callee = kzalloc(sizeof(*callee), GFP_KERNEL);  in check_func_call()
2355 	if (!callee)  in check_func_call()
2357 	state->frame[state->curframe + 1] = callee;  in check_func_call()
2363 	init_func_state(env, callee,  in check_func_call()
2371 		callee->regs[i] = caller->regs[i];  in check_func_call()
2389 		print_verifier_state(env, callee);  in check_func_call()
2397 	struct bpf_func_state *caller, *callee;  in prepare_func_exit()  local
2400 	callee = state->frame[state->curframe];  in prepare_func_exit()
2401 	r0 = &callee->regs[BPF_REG_0];  in prepare_func_exit()
2418 	*insn_idx = callee->callsite + 1;  in prepare_func_exit()
2421 		print_verifier_state(env, callee);  in prepare_func_exit()
2426 	free_func_state(callee);  in prepare_func_exit()