Re: [PATCH v6] tracing/eprobes: Allow use of BTF names to dereference pointers

[Steven Rostedt]

On Tue, 26 May 2026 09:09:10 +0900
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> wrote:

> On Thu, 21 May 2026 22:50:33 -0400
> Steven Rostedt <rostedt@xxxxxxxxxx> wrote:
> 
> > @@ -640,7 +673,7 @@ static int parse_btf_arg(char *varname,
> >  	int i, is_ptr, ret;
> >  	u32 tid;
> >  
> > -	if (WARN_ON_ONCE(!ctx->funcname))
> > +	if (WARN_ON_ONCE(!ctx->funcname && !(ctx->flags & TPARG_FL_TEVENT)))
> >  		return -EINVAL;
> >  
> >  	is_ptr = split_next_field(varname, &field, ctx);
> > @@ -653,6 +686,20 @@ static int parse_btf_arg(char *varname,
> >  		return -EOPNOTSUPP;
> >  	}
> >  
> > +	if (ctx->flags & TPARG_FL_TEVENT) {
> > +		int ret;  
> 
> nit: parse_btf_arg already declared @ret. So we don't need this.

Ah, will fix.

Thanks,

-- Steve