This basically prevents any forward compatibility. And we either way just return -EINVAL, which would otherwise be returned from bpf() syscall anyways. Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> --- tools/lib/bpf/bpf.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index e750b6f5fcc3..eb08a998b526 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -290,8 +290,6 @@ int bpf_prog_load(enum bpf_prog_type prog_type, if (!!log_buf != !!log_size) return libbpf_err(-EINVAL); - if (log_level > (4 | 2 | 1)) - return libbpf_err(-EINVAL); if (log_level && !log_buf) return libbpf_err(-EINVAL); -- 2.34.1
