From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 24 Jun 2009 01:52:58 +0000 (+0800)
Subject: tracing_bprintk: Don't increment @pos in t_start()
X-Git-Tag: v2.6.31-rc2~78^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8961ec6da22ea010bf4470a8e0fb3fdad0f11c4;p=pandora-kernel.git

tracing_bprintk: Don't increment @pos in t_start()

It's wrong to increment @pos in t_start(), otherwise we'll lose
some entries when reading printk_formats, if the output is larger
than PAGE_SIZE.

Reported-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Reviewed-by: Liming Wang <liming.wang@windriver.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A4186FA.1020106@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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