[PATCH 03/21] liblockdep: Define the ARRAY_SIZE() macro

From: Levin, Alexander (Sasha Levin)
Date: Thu May 25 2017 - 08:59:31 EST


From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>

lockdep.c now uses ARRAY_SIZE().

Fixes: 75dd602a5198 ("lockdep: Fix lock_chain::base size")
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
tools/lib/lockdep/uinclude/linux/kernel.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h
index 276c7a8b2ed1..da87bd9ad2c1 100644
--- a/tools/lib/lockdep/uinclude/linux/kernel.h
+++ b/tools/lib/lockdep/uinclude/linux/kernel.h
@@ -7,6 +7,8 @@
#include <linux/hardirq.h>
#include <linux/kern_levels.h>

+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
#ifndef container_of
#define container_of(ptr, type, member) ({ \
const typeof(((type *)0)->member) * __mptr = (ptr); \
--
2.11.0