Re: [PATCH 4/8] tracing: probe-events: Log errro for exceeding the number of arguments

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On Wed, 26 Feb 2025 17:13:17 +0100
Markus Elfring <Markus.Elfring@xxxxxx> wrote:

> …
> > +++ b/kernel/trace/trace_fprobe.c
> > @@ -1201,8 +1201,11 @@ static int trace_fprobe_create_internal(int argc, const char *argv[],
> >  		argc = new_argc;
> >  		argv = new_argv;
> >  	}
> > -	if (argc > MAX_TRACE_ARGS)
> > +	if (argc > MAX_TRACE_ARGS) {
> > +		trace_probe_log_set_index(2);
> > +		trace_probe_log_err(0, TOO_MANY_ARGS);
> >  		return -E2BIG;
> > +	}
> >
> >  	ret = traceprobe_expand_dentry_args(argc, argv, &dbuf);
> …
> 
> May a bit of exception handling code be shared by an additional jump target?
> Will another goto chain become helpful here?

Honestly, I don't want to introduce jump any more.

> 
> 
> How do you think about to avoid a typo in the summary phrase?

Ah, I added too much 'e' :-D Will fix it.

Thanks,

> 
> Regards,
> Markus


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




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