From: Li Zefan <lizf@cn.fujitsu.com>
Date: Wed, 27 May 2009 03:04:48 +0000 (+0800)
Subject: tracing/stat: remember to free root node
X-Git-Tag: v2.6.31-rc1~401^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e16228069083a2f6b94383ac5739aea7a0f38ce4;p=pandora-kernel.git

tracing/stat: remember to free root node

When closing a trace_stat file, we destroy the rbtree constructed during
file open, but there is memory leak that the root node is not freed.

[ Impact: fix memory leak when closing a trace_stat file ]

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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