Re: [PATCH] ftrace: set direct_ops storage-class-specifier to static

From: Google
Date: Wed Mar 15 2023 - 04:48:53 EST


On Sat, 11 Mar 2023 08:51:13 -0500
Tom Rix <trix@xxxxxxxxxx> wrote:

> smatch reports this warning
> kernel/trace/ftrace.c:2594:19: warning:
> symbol 'direct_ops' was not declared. Should it be static?
>
> The variable direct_ops is only used in ftrace.c, so it should be static
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

This looks good to me.

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

Thank you!

> ---
> kernel/trace/ftrace.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
> index 29baa97d0d53..05f76dc1f0c5 100644
> --- a/kernel/trace/ftrace.c
> +++ b/kernel/trace/ftrace.c
> @@ -2591,7 +2591,7 @@ static void call_direct_funcs(unsigned long ip, unsigned long pip,
> arch_ftrace_set_direct_caller(fregs, addr);
> }
>
> -struct ftrace_ops direct_ops = {
> +static struct ftrace_ops direct_ops = {
> .func = call_direct_funcs,
> .flags = FTRACE_OPS_FL_DIRECT | FTRACE_OPS_FL_SAVE_REGS
> | FTRACE_OPS_FL_PERMANENT,
> --
> 2.27.0
>


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