Re: [PATCH v4 2/2] bpftool: Align bpf_load_and_run_opts insns and data

From: Ian Rogers
Date: Thu Oct 05 2023 - 18:03:30 EST


On Thu, Oct 5, 2023 at 8:54 AM Quentin Monnet <quentin@xxxxxxxxxxxxx> wrote:
>
> On 04/10/2023 23:23, Ian Rogers wrote:
> > A C string lacks alignment so use aligned arrays to avoid potential
> > alignment problems. Switch to using sizeof (less 1 for the \0
> > terminator) rather than a hardcode size constant.
> >
> > Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
> > ---
> > tools/bpf/bpftool/gen.c | 47 ++++++++++++++++++++++-------------------
> > 1 file changed, 25 insertions(+), 22 deletions(-)
> >
> > diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
> > index b8ebcee9bc56..7a545dcabe38 100644
> > --- a/tools/bpf/bpftool/gen.c
> > +++ b/tools/bpf/bpftool/gen.c
> > @@ -408,8 +408,8 @@ static void codegen(const char *template, ...)
> > /* skip baseline indentation tabs */
> > for (n = skip_tabs; n > 0; n--, src++) {
> > if (*src != '\t') {
> > - p_err("not enough tabs at pos %td in template '%s'",
> > - src - template - 1, template);
> > + p_err("not enough tabs at pos %td in template '%s'\n'%s'",
> > + src - template - 1, template, src);
>
> Nit: This line is no longer aligned with the opening parenthesis.
>
> Other than that:
>
> Acked-by: Quentin Monnet <quenti@xxxxxxxxxxxxx>

Thanks! Nit fixed in v5.

Ian