On 2021/12/25 4:32 PM, Qiang Wang wrote:
> Fix a bug in commit 46ed5fc33db9, which wrongly used the
> func_name instead of probe_name to register legacy kprobe.
>
> Fixes: 46ed5fc33db9 ("libbpf: Refactor and simplify legacy kprobe code")
> Co-developed-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
> Signed-off-by: Qiang Wang <wangqiang.wq.frank@xxxxxxxxxxxxx>
> Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
> ---
> tools/lib/bpf/libbpf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 7c74342bb668..b7d6c951fa09 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -9735,7 +9735,7 @@ bpf_program__attach_kprobe_opts(const struct bpf_program *prog,
> gen_kprobe_legacy_event_name(probe_name, sizeof(probe_name),
> func_name, offset);
>
> - legacy_probe = strdup(func_name);
> + legacy_probe = strdup(probe_name);
> if (!legacy_probe)
> return libbpf_err_ptr(-ENOMEM);
>
Reviewed-by: Hengqi Chen <hengqi.chen@xxxxxxxxx>
Tested-by: Hengqi Chen <hengqi.chen@xxxxxxxxx>
