Re: [PATCH v3 4/4] tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails

[Steven Rostedt]

On Tue, 11 Jul 2023 09:05:15 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> > And this patch could have been:
> > 
> > static nokprobe_inline void set_data_loc(int ret, void *dest, void *__dest, void *base)
> > {
> > 	*(u32 *)dest = make_data_loc(ret, __dest - base);
> > }  
> 
> and introduce it. I also want to put the ternary operator into set_data_loc() too
> for simplicity.
> 
> static nokprobe_inline void set_data_loc(int ret, void *dest, void *__dest, void *base)
> {
> 	if (ret < 0)
> 		ret = 0;
> 	*(u32 *)dest = make_data_loc(ret, __dest - base);
> }
> 

Sounds good.

-- Steve