linux-kernel - [tip:perfcounters/urgent] perf_counter tools: Fix index boundary check

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Date:	Mon, 13 Jul 2009 09:01:19 GMT
From:	tip-bot for Roel Kluin <roel.kluin@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, paulus@...ba.org,
	hpa@...or.com, mingo@...hat.com, a.p.zijlstra@...llo.nl,
	efault@....de, fweisbec@...il.com, akpm@...ux-foundation.org,
	roel.kluin@...il.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perfcounters/urgent] perf_counter tools: Fix index boundary check

Commit-ID:  23cdb5d5171d591ec911aada682e09d53c14a810
Gitweb:     http://git.kernel.org/tip/23cdb5d5171d591ec911aada682e09d53c14a810
Author:     Roel Kluin <roel.kluin@...il.com>
AuthorDate: Mon, 13 Jul 2009 02:25:47 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 13 Jul 2009 10:58:28 +0200

perf_counter tools: Fix index boundary check

Keep index within event_type_descriptors[]

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <4A5A7F0B.4070106@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 tools/perf/util/parse-events.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 518a33a..d18c98e 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -436,7 +436,7 @@ void print_events(void)
 
 	for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) {
 		type = syms->type + 1;
-		if (type > ARRAY_SIZE(event_type_descriptors))
+		if (type >= ARRAY_SIZE(event_type_descriptors))
 			type = 0;
 
 		if (type != prev_type)
--
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