linux-kernel - Re: [RFC][PATCH 04/12 v3] tracing: Convert seq_buf_path() to be like seq

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Message-ID: <20141106160917.3330816d@gandalf.local.home>
Date:	Thu, 6 Nov 2014 16:09:17 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Petr Mladek <pmladek@...e.cz>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH 04/12 v3] tracing: Convert seq_buf_path() to be
 like seq_path()

On Thu, 6 Nov 2014 15:18:22 +0100
Petr Mladek <pmladek@...e.cz> wrote:


> I see. Well, we still need to fix trace_seq_path() or its callers.
> For example, seq_print_user_ip() checks trace_seq_path() return value
> and expects 0 on failure.

Crap, thanks for pointing that out. Luckily, there's only one user, and
it's not used much. It's the user backtrace and that only prints if a
file is found, and this would only cause the offset not to be printed.

-- Steve
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