Re: [PATCH 1/2] tracing: kprobe: fix kprobe event gen test module on exit

From: Google
Date: Fri Sep 23 2022 - 10:03:55 EST


On Mon, 19 Sep 2022 20:56:28 +0800
Yipeng Zou <zouyipeng@xxxxxxxxxx> wrote:

> Correct gen_kretprobe_test clr event para on module exit.
> This will make it can't to delete.

Looks good to me. (actually, both tests will use the same root
trace_array, so the test itself will not fail, but this should
be fixed.)

Acked-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>

Thanks!

>
> Fixes: 64836248dda2 ("tracing: Add kprobe event command generation test module")
> Signed-off-by: Yipeng Zou <zouyipeng@xxxxxxxxxx>
> ---
> kernel/trace/kprobe_event_gen_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/trace/kprobe_event_gen_test.c b/kernel/trace/kprobe_event_gen_test.c
> index 18b0f1cbb947..e023154be0f8 100644
> --- a/kernel/trace/kprobe_event_gen_test.c
> +++ b/kernel/trace/kprobe_event_gen_test.c
> @@ -206,7 +206,7 @@ static void __exit kprobe_event_gen_test_exit(void)
> WARN_ON(kprobe_event_delete("gen_kprobe_test"));
>
> /* Disable the event or you can't remove it */
> - WARN_ON(trace_array_set_clr_event(gen_kprobe_test->tr,
> + WARN_ON(trace_array_set_clr_event(gen_kretprobe_test->tr,
> "kprobes",
> "gen_kretprobe_test", false));
>
> --
> 2.17.1
>


--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>