linux-kernel - [PATCH] uapi/linux/stddef.h: add include guards

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Date:   Tue, 29 Mar 2022 10:12:52 -0700
From:   Tadeusz Struk <tadeusz.struk@...aro.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Gustavo Silva <gustavoars@...nel.org>,
        Keith Packard <keithp@...thp.com>,
        linux-kernel@...r.kernel.org,
        Tadeusz Struk <tadeusz.struk@...aro.org>
Subject: [PATCH] uapi/linux/stddef.h: add include guards

Add iclude guarde to uapi/linux/stddef.h to prevent
redefining macros.

Signed-off-by: Tadeusz Struk <tadeusz.struk@...aro.org>
---
 include/uapi/linux/stddef.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/stddef.h b/include/uapi/linux/stddef.h
index 3021ea25a284..7837ba4fe728 100644
--- a/include/uapi/linux/stddef.h
+++ b/include/uapi/linux/stddef.h
@@ -1,4 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI_LINUX_STDDEF_H
+#define _UAPI_LINUX_STDDEF_H
+
 #include <linux/compiler_types.h>
 
 #ifndef __always_inline
@@ -41,3 +44,4 @@
 		struct { } __empty_ ## NAME; \
 		TYPE NAME[]; \
 	}
+#endif
-- 
2.35.1