linux-kernel - [PATCH v2 04/20] linux/stddef.h, linux/NULL.h: Split NULL into a separate header

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Message-Id: <20211120130104.185699-5-alx.manpages@gmail.com>
Date:   Sat, 20 Nov 2021 14:00:47 +0100
From:   Alejandro Colomar <alx.manpages@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Alejandro Colomar <alx.manpages@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Kees Cook <keescook@...omium.org>,
        Joe Perches <joe@...ches.com>
Subject: [PATCH v2 04/20] linux/stddef.h, linux/NULL.h: Split NULL into a separate header

Include <linux/NULL.h> from <linux/stddef.h> for compatibility.

Signed-off-by: Alejandro Colomar <alx.manpages@...il.com>
---
 include/linux/NULL.h   | 10 ++++++++++
 include/linux/stddef.h |  4 +---
 2 files changed, 11 insertions(+), 3 deletions(-)
 create mode 100644 include/linux/NULL.h

diff --git a/include/linux/NULL.h b/include/linux/NULL.h
new file mode 100644
index 000000000000..f09d8baecc80
--- /dev/null
+++ b/include/linux/NULL.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_NULL_H
+#define _LINUX_NULL_H
+
+
+#undef NULL
+#define NULL  ((void *)0)
+
+
+#endif  /* _LINUX_NULL_H */
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index c2e7e5051ef3..3f7ddcd5e0aa 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -5,14 +5,12 @@
 
 #include <uapi/linux/stddef.h>
 
+#include <linux/NULL.h>
 #include <linux/offsetof.h>
 #include <linux/offsetofend.h>
 #include <linux/sizeof_field.h>
 
 
-#undef NULL
-#define NULL ((void *)0)
-
 enum {
 	false	= 0,
 	true	= 1
-- 
2.33.1