linux-kernel - [tip:perf/urgent] perf symbols: Fix array sizes for binary types arrays

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Message-ID: <tip-028df76726c5637c6f70a064d94452808ec74f9e@git.kernel.org>
Date:	Sun, 5 Aug 2012 09:44:10 -0700
From:	tip-bot for Jiri Olsa <jolsa@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	mingo@...hat.com, hpa@...or.com, mingo@...nel.org,
	a.p.zijlstra@...llo.nl, jolsa@...hat.com, markus@...ppelsdorf.de,
	tglx@...utronix.de
Subject: [tip:perf/urgent] perf symbols:
  Fix array sizes for binary types arrays

Commit-ID:  028df76726c5637c6f70a064d94452808ec74f9e
Gitweb:     http://git.kernel.org/tip/028df76726c5637c6f70a064d94452808ec74f9e
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Wed, 1 Aug 2012 14:47:57 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 1 Aug 2012 18:42:22 -0300

perf symbols: Fix array sizes for binary types arrays

Following commit introduced wrong array boundaries, that could lead to
SIGSEGV.

  perf symbols: Factor DSO symtab types to generic binary types
  commit 44f24cb3156a1e7d2b6bb501b7f6153aed08994c
  Author: Jiri Olsa <jolsa@...hat.com>

Fixing to use proper array size.

Reported-by: Markus Trippelsdorf <markus@...ppelsdorf.de>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Markus Trippelsdorf <markus@...ppelsdorf.de>
Link: http://lkml.kernel.org/r/1343825277-10517-1-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/symbol.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index fdad4eee..fe86612 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -64,7 +64,7 @@ static enum dso_binary_type binary_type_symtab[] = {
 	DSO_BINARY_TYPE__NOT_FOUND,
 };
 
-#define DSO_BINARY_TYPE__SYMTAB_CNT sizeof(binary_type_symtab)
+#define DSO_BINARY_TYPE__SYMTAB_CNT ARRAY_SIZE(binary_type_symtab)
 
 static enum dso_binary_type binary_type_data[] = {
 	DSO_BINARY_TYPE__BUILD_ID_CACHE,
@@ -72,7 +72,7 @@ static enum dso_binary_type binary_type_data[] = {
 	DSO_BINARY_TYPE__NOT_FOUND,
 };
 
-#define DSO_BINARY_TYPE__DATA_CNT sizeof(binary_type_data)
+#define DSO_BINARY_TYPE__DATA_CNT ARRAY_SIZE(binary_type_data)
 
 int dso__name_len(const struct dso *dso)
 {
--
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