linux-kernel - Re: [PATCH 4/4] tracing/uprobes: Fix the usage of uprobe_buffer_enable() in probe_event

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Date:	Mon, 30 Jun 2014 14:01:17 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Tom Zanussi <tom.zanussi@...ux.intel.com>,
	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] tracing/uprobes: Fix the usage of
 uprobe_buffer_enable() in probe_event_enable()

On Mon, 30 Jun 2014 19:50:25 +0200
Oleg Nesterov <oleg@...hat.com> wrote:

 
> Well, I do not really mind. But to me it looks more consistent this way,
> if-something-fail-goto-err_label.
> 
> IOW, I think that the code should either not use err-labels, or always
> use them like above.

Ah I missed the other error labels. Yeah, we should keep the patch as
is to be consistent (also it means I don't need to restart a test
that's already been running for hours).

-- Steve

> 
> Besides, perhaps we will add "if (file) uprobe_apply()" after _register()
> to mix perf/ftrace, then we will need to change this "if (!ret)" code again.
> 
> Oleg.

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