Re: [RFC][PATCH 10/23 v4] tracing/uprobes: Do not use return values of trace_seq_printf()

From: Steven Rostedt
Date: Fri Nov 14 2014 - 10:37:59 EST


On Sat, 15 Nov 2014 00:35:15 +0900
Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx> wrote:

> > for (i = 0; i < tu->tp.nr_args; i++) {
> > struct probe_arg *parg = &tu->tp.args[i];
> >
> > - if (!parg->type->print(s, parg->name, data + parg->offset, entry))
> > - goto partial;
> > + parg->type->print(s, parg->name, data + parg->offset, entry);
>
> In 7/23 you've left loop canceling path, why don't you do same thing here?

While rebasing this series on my latest code, this patch conflicted. I
notice the difference too (just two minutes ago!).

I agree, it should break out still.

Srikar, can I still have your Reviewed-by if I do that?

-- Steve

>
> Thank you,
>
> > }
> >
> > - if (trace_seq_puts(s, "\n"))
> > - return TRACE_TYPE_HANDLED;
> > + trace_seq_puts(s, "\n");
> >
> > -partial:
> > - return TRACE_TYPE_PARTIAL_LINE;
> > + return trace_handle_return(s);
> > }
> >
> > typedef bool (*filter_func_t)(struct uprobe_consumer *self,
>
>
>

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