From: Roel Kluin <roel.kluin@gmail.com>
Date: Mon, 13 Jul 2009 00:25:47 +0000 (+0200)
Subject: perf_counter tools: Fix index boundary check
X-Git-Tag: v3.0~8404^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=23cdb5d5171d591ec911aada682e09d53c14a810;p=platform%2Fkernel%2Flinux-amlogic.git

perf_counter tools: Fix index boundary check

Keep index within event_type_descriptors[]

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A5A7F0B.4070106@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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)