From f909b55c67f894dd33907f46e9f3635e7301f888 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] --- yaml --- r: 121259 b: refs/heads/master c:
 faec2ec505d397e9426754722b6e80d519c4938f h: refs/heads/master i:   121257:
 f77ed0c97ec9f8770afd37cab522e75e41810f99   121255:
 5793eb9977d1d64f388ab1146264f801ea1bd26b v: v3

---
 [refs]                      |  2 +-
 trunk/kernel/trace/ftrace.c | 10 ++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 245b5bc283b5..4bdf43c77ad3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6b2539302bee8e88c99e3c7d80c16a04dbe5e2ad
+refs/heads/master: faec2ec505d397e9426754722b6e80d519c4938f
diff --git a/trunk/kernel/trace/ftrace.c b/trunk/kernel/trace/ftrace.c
index eb57dc1ea097..d2b156538162 100644
--- a/trunk/kernel/trace/ftrace.c
+++ b/trunk/kernel/trace/ftrace.c
@@ -1425,7 +1425,7 @@ ftrace_set_func(unsigned long *array, int idx, char *buffer)
 	struct dyn_ftrace *rec;
 	struct ftrace_page *pg;
 	int found = 0;
-	int i;
+	int i, j;
 
 	if (ftrace_disabled)
 		return -ENODEV;
@@ -1443,7 +1443,13 @@ ftrace_set_func(unsigned long *array, int idx, char *buffer)
 			kallsyms_lookup(rec->ip, NULL, NULL, NULL, str);
 			if (strcmp(str, buffer) == 0) {
 				found = 1;
-				array[idx] = rec->ip;
+				for (j = 0; j < idx; j++)
+					if (array[j] == rec->ip) {
+						found = 0;
+						break;
+					}
+				if (found)
+					array[idx] = rec->ip;
 				break;
 			}
 		}