| // SPDX-License-Identifier: GPL-2.0-only | |
| /* Copyright (c) 2020 Facebook */ | |
| #include <stddef.h> | |
| #include <linux/bpf.h> | |
| #include <bpf/bpf_helpers.h> | |
| #include "bpf_misc.h" | |
| __attribute__ ((noinline)) | |
| void foo(struct __sk_buff *skb) | |
| { | |
| skb->tc_index = 0; | |
| } | |
| SEC("tc") | |
| __failure __msg("foo() doesn't return scalar") | |
| int global_func7(struct __sk_buff *skb) | |
| { | |
| foo(skb); | |
| return 0; | |
| } |