On Tue, Sep 08, 2020 at 11:01:27AM -0700, Andrii Nakryiko wrote:
> Switch from deprecated bpf_program__title() API to
> bpf_program__section_name(). Also drop unnecessary error checks because
> neither bpf_program__title() nor bpf_program__section_name() can fail or
> return NULL.
>
> Fixes: 521095842027 ("libbpf: Deprecate notion of BPF program "title" in favor of "section name"")
> Signed-off-by: Andrii Nakryiko <andriin@xxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
thanks,
jirka
> ---
> tools/perf/util/bpf-loader.c | 12 ++----------
> 1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
> index 2feb751516ab..0374adcb223c 100644
> --- a/tools/perf/util/bpf-loader.c
> +++ b/tools/perf/util/bpf-loader.c
> @@ -328,12 +328,6 @@ config_bpf_program(struct bpf_program *prog)
> probe_conf.no_inlines = false;
> probe_conf.force_add = false;
>
> - config_str = bpf_program__title(prog, false);
> - if (IS_ERR(config_str)) {
> - pr_debug("bpf: unable to get title for program\n");
> - return PTR_ERR(config_str);
> - }
> -
> priv = calloc(sizeof(*priv), 1);
> if (!priv) {
> pr_debug("bpf: failed to alloc priv\n");
> @@ -341,6 +335,7 @@ config_bpf_program(struct bpf_program *prog)
> }
> pev = &priv->pev;
>
> + config_str = bpf_program__section_name(prog);
> pr_debug("bpf: config program '%s'\n", config_str);
> err = parse_prog_config(config_str, &main_str, &is_tp, pev);
> if (err)
> @@ -454,10 +449,7 @@ preproc_gen_prologue(struct bpf_program *prog, int n,
> if (err) {
> const char *title;
>
> - title = bpf_program__title(prog, false);
> - if (!title)
> - title = "[unknown]";
> -
> + title = bpf_program__section_name(prog);
> pr_debug("Failed to generate prologue for program %s\n",
> title);
> return err;
> --
> 2.24.1
>
