selftests/bpf: Fix erroneous bitmask operation
[platform/kernel/linux-rpi.git] / tools / testing / selftests / bpf / progs / dummy_st_ops_fail.c
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
3
4 #include "vmlinux.h"
5 #include <bpf/bpf_helpers.h>
6 #include <bpf/bpf_tracing.h>
7
8 #include "bpf_misc.h"
9
10 char _license[] SEC("license") = "GPL";
11
12 SEC("struct_ops.s/test_2")
13 __failure __msg("attach to unsupported member test_2 of struct bpf_dummy_ops")
14 int BPF_PROG(test_unsupported_field_sleepable,
15              struct bpf_dummy_ops_state *state, int a1, unsigned short a2,
16              char a3, unsigned long a4)
17 {
18         /* Tries to mark an unsleepable field in struct bpf_dummy_ops as sleepable. */
19         return 0;
20 }
21
22 SEC(".struct_ops")
23 struct bpf_dummy_ops dummy_1 = {
24         .test_1 = NULL,
25         .test_2 = (void *)test_unsupported_field_sleepable,
26         .test_sleepable = (void *)NULL,
27 };