]> Git Repo - J-linux.git/blob - tools/testing/selftests/bpf/progs/test_global_func7.c
Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
[J-linux.git] / tools / testing / selftests / bpf / progs / test_global_func7.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2020 Facebook */
3 #include <stddef.h>
4 #include <linux/bpf.h>
5 #include <bpf/bpf_helpers.h>
6 #include "bpf_misc.h"
7
8 __attribute__ ((noinline))
9 void foo(struct __sk_buff *skb)
10 {
11         skb->tc_index = 0;
12 }
13
14 SEC("tc")
15 __failure __msg("foo() doesn't return scalar")
16 int global_func7(struct __sk_buff *skb)
17 {
18         foo(skb);
19         return 0;
20 }
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