On Fri, 29 Sep 2023 13:37:08 +0200 (CEST)
Julia Lawall <julia.lawall@xxxxxxxx> wrote:
>
>
> On Fri, 29 Sep 2023, Masami Hiramatsu wrote:
>
> > On Thu, 28 Sep 2023 12:43:34 +0200
> > Julia Lawall <Julia.Lawall@xxxxxxxx> wrote:
> >
> > > Drop break after return.
> > >
> >
> > Good catch! This looks good to me.
> >
> > Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
> >
> > And
> >
> > Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
>
> Thanks. I didn't include that because it's not a bug. But it does break
> Coccinelle, which is how I noticed it.
OK, I got it. I thought it may cause a compiler warning because the
'break' never be executed. (maybe it is just a flow-control word,
so it may not need to be warned, but a bit storange.)
>
> julia
>
> >
> > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>
> > >
> > > ---
> > > kernel/trace/trace_eprobe.c | 5 +----
> > > 1 file changed, 1 insertion(+), 4 deletions(-)
> > >
> > > diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
> > > index 72714cbf475c..03c851f57969 100644
> > > --- a/kernel/trace/trace_eprobe.c
> > > +++ b/kernel/trace/trace_eprobe.c
> > > @@ -788,12 +788,9 @@ find_and_get_event(const char *system, const char *event_name)
> > > name = trace_event_name(tp_event);
> > > if (!name || strcmp(event_name, name))
> > > continue;
> > > - if (!trace_event_try_get_ref(tp_event)) {
> > > + if (!trace_event_try_get_ref(tp_event))
> > > return NULL;
> > > - break;
> > > - }
> > > return tp_event;
> > > - break;
> > > }
> > > return NULL;
> > > }
> > >
> >
> >
> > --
> > Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
> >
--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
