From: Li Zefan <lizf@cn.fujitsu.com>
Date: Tue, 3 Nov 2009 00:55:38 +0000 (+0800)
Subject: ftrace: Fix unmatched locking in ftrace_regex_write()
X-Git-Tag: v2.6.32-rc7~74^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed146b25942b428f8e8056587b7638ce76573c2f;p=pandora-kernel.git

ftrace: Fix unmatched locking in ftrace_regex_write()

When a command is passed to the set_ftrace_filter, then
the ftrace_regex_lock is still held going back to user space.

 # echo 'do_open : foo' > set_ftrace_filter
 (still holding ftrace_regex_lock when returning to user space!)

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4AEF7F8A.3080300@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---

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