From faec2ec505d397e9426754722b6e80d519c4938f Mon Sep 17 00:00:00 2001
From: Liming Wang <liming.wang@windriver.com>
Date: Thu, 4 Dec 2008 14:24:49 +0800
Subject: [PATCH] ftrace: avoid duplicated function when writing
 set_graph_function

Impact: fix a bug in function filter setting

when writing function to set_graph_function, we should check whether it
has existed in set_graph_function to avoid duplicating.

Signed-off-by: Liming Wang <liming.wang@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Reading git-format-patch failed