From: Jiri Olsa <jolsa@redhat.com>
To: acme@ghostprotocols.net, a.p.zijlstra@chello.nl,
mingo@redhat.com, paulus@samba.org
Cc: linux-kernel@vger.kernel.org, markus@trippelsdorf.de,
Jiri Olsa <jolsa@redhat.com>
Subject: [PATCH] perf, tool: Fix array sizes for binary types arrays
Date: Wed, 1 Aug 2012 14:47:57 +0200 [thread overview]
Message-ID: <1343825277-10517-1-git-send-email-jolsa@redhat.com> (raw)
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@redhat.com>
Fixing to use proper array size.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Jiri Olsa <jolsa@redhat.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)
{
--
1.7.7.6
next reply other threads:[~2012-08-01 12:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 12:47 Jiri Olsa [this message]
2012-08-05 16:44 ` [tip:perf/urgent] perf symbols: " tip-bot for Jiri Olsa
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