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SubjectRe: [PATCH] trace: remove unneeded initialization in __trace_uprobe_create()
On Wed, 5 Jan 2022 18:57:15 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:

> Masami, want to ack this?
>
> -- Steve
>
>
> On Mon, 27 Dec 2021 13:53:08 +0100
> Lukas Bulwahn <lukas.bulwahn@gmail.com> wrote:
>
> > There is no need to initialize ret with 0, as all the early error branches
> > simply return constant values, and the default path always reaches
> > ret = kern_path(filename, LOOKUP_FOLLOW, &path), which will reset ret
> > before the initial value was ever used.
> >
> > Remove this unneeded initialization and keep the code succinct.

Thanks, this looks good to me.

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>

Regards,

> >
> > Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
> > ---
> > kernel/trace/trace_uprobe.c | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
> > index 5921951a0d5c..9da10c5efdce 100644
> > --- a/kernel/trace/trace_uprobe.c
> > +++ b/kernel/trace/trace_uprobe.c
> > @@ -548,7 +548,6 @@ static int __trace_uprobe_create(int argc, const char **argv)
> > bool is_return = false;
> > int i, ret;
> >
> > - ret = 0;
> > ref_ctr_offset = 0;
> >
> > switch (argv[0][0]) {
>


--
Masami Hiramatsu <mhiramat@kernel.org>

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