linux/tools/testing/selftests/bpf/progs/test_global_func7.c
Andrii Nakryiko 95ebb37617 selftests/bpf: Convert test_global_funcs test to test_loader framework
Convert 17 test_global_funcs subtests into test_loader framework for
easier maintenance and more declarative way to define expected
failures/successes.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20230216045954.3002473-3-andrii@kernel.org
2023-02-17 21:20:44 +01:00

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C

// 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;
}