From: Li Zefan <lizf@cn.fujitsu.com>
Date: Tue, 7 Jul 2009 05:52:52 +0000 (+0800)
Subject: ksym_tracer: Rewrite ksym_trace_filter_read()
X-Git-Tag: v2.6.33-rc1~399^2~146^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be9742e6cb107fe1d77db7a081ea4eb25e79e1ad;p=pandora-kernel.git

ksym_tracer: Rewrite ksym_trace_filter_read()

Reading ksym_trace_filter gave me some arbitrary characters,
when it should show nothing. It's because buf is not initialized
when there's no filter.

Also reduce stack usage by about 512 bytes.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K.Prasad" <prasad@linux.vnet.ibm.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4A52E2B4.6030706@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

Reading git-diff-tree failed