From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 15 Jan 2009 01:30:52 +0000 (+0800)
Subject: tracing/ftrace: add missing unlock in register_stat_tracer()
X-Git-Tag: v2.6.30-rc1~2^2~169
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=42fab4b2cdc02cf28e2474ccfd75bc9225076590;p=pandora-kernel.git

tracing/ftrace: add missing unlock in register_stat_tracer()

We should unlock all_stat_sessions_mutex before returning failure.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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