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libbpf: Use correct return pointer in attach_raw_tp

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We need to pass '*link' to final libbpf_get_error,
because that one holds the return value, not 'link'.

Fixes: 4fa5bcfe07 ("libbpf: Allow BPF program auto-attach handlers to bail out")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221114145257.882322-1-jolsa@kernel.org
This commit is contained in:
Jiri Olsa 2022-11-14 15:52:57 +01:00 • committed by Andrii Nakryiko
parent ed1fe1bebe
commit 5fd2a60aec
1 changed files with 1 additions and 1 deletions
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tools/lib/bpf/libbpf.c
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@ -11169,7 +11169,7 @@ static int attach_raw_tp(const struct bpf_program *prog, long cookie, struct bpf
} }
*link = bpf_program__attach_raw_tracepoint(prog, tp_name); *link = bpf_program__attach_raw_tracepoint(prog, tp_name);
return libbpf_get_error(link); return libbpf_get_error(*link);
} }
/* Common logic for all BPF program types that attach to a btf_id */ /* Common logic for all BPF program types that attach to a btf_id */