f9370f9188
BPF_RAW_TRACEPOINT_OPEN is expected to work only on x86 and x86_64, since BPF trampoline is implemented only on these architectures. Attach probing by bpf_program__attach_lsm already happens in `bpf_lsm_supported`. The resulting pointer can store libbpf error and that is the case for unsupported architectures. Add libbpf error check to `bpf_lsm_supported` so execution does not reach the point where unit startup fails. (cherry picked from commit f409aa5c6363144c9711226319614f3b248d9828)
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