From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 15 Jun 2009 02:58:39 +0000 (+0800)
Subject: tracing/filters: operand can be negative
X-Git-Tag: v2.6.31-rc1~95^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e4904cb633177046bee5d26946a7ac918e642fc;p=pandora-kernel.git

tracing/filters: operand can be negative

This should be a bug:

 # cat format
 name: foo_bar
 ID: 71
 format:
	 ...
         field:int bar;  offset:24;      size:4;
 # echo 'bar < 0' > filter
 # echo 'bar < -1' > filter
 bash: echo: write error: Invalid argument

[ Impact: fix to allow negative operand in filer expr ]

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A35B8DF.60400@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---

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