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authorYonghong Song <yhs@fb.com>2020-05-13 22:32:07 -0700
committerAlexei Starovoitov <ast@kernel.org>2020-05-14 12:53:53 -0700
commit6d74f64b922b8394dccc52576659cb0dc0a1da7b (patch)
treeb5ce79a9ae71c9711784c00b70b3d5aa85fcc2b6 /tools/testing/selftests/bpf/progs/test_overhead.c
parente92888c72fbdc6f9d07b3b0604c012e81d7c0da7 (diff)
downloadlinux-6d74f64b922b8394dccc52576659cb0dc0a1da7b.tar.gz
selftests/bpf: Enforce returning 0 for fentry/fexit programs
There are a few fentry/fexit programs returning non-0. The tests with these programs will break with the previous patch which enfoced return-0 rules. Fix them properly. Fixes: ac065870d928 ("selftests/bpf: Add BPF_PROG, BPF_KPROBE, and BPF_KRETPROBE macros") Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200514053207.1298479-1-yhs@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_overhead.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_overhead.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_overhead.c b/tools/testing/selftests/bpf/progs/test_overhead.c
index 56a50b25cd33..abb7344b531f 100644
--- a/tools/testing/selftests/bpf/progs/test_overhead.c
+++ b/tools/testing/selftests/bpf/progs/test_overhead.c
@@ -30,13 +30,13 @@ int prog3(struct bpf_raw_tracepoint_args *ctx)
SEC("fentry/__set_task_comm")
int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec)
{
- return !tsk;
+ return 0;
}
SEC("fexit/__set_task_comm")
int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec)
{
- return !tsk;
+ return 0;
}
char _license[] SEC("license") = "GPL";