From c2f6aae0076dfca4972355cfc751884e6ea93cf9 Mon Sep 17 00:00:00 2001
From: Brooks Davis <brooks@FreeBSD.org>
Date: Mon, 18 Apr 2022 21:02:19 +0100
Subject: [PATCH] machine/in_cksum.h: don't include sys/cdefs.h

All consumers already do it and it was required on amd64 and i386
until recently (1c1bf5bd7c1e479a7889839b941f53e689aa2569).

Reviewed by:	emaste
Differential Revision:	https://reviews.freebsd.org/D34932
---
 sys/amd64/include/in_cksum.h   | 2 --
 sys/arm/include/in_cksum.h     | 2 --
 sys/arm64/include/in_cksum.h   | 2 --
 sys/powerpc/include/in_cksum.h | 2 --
 sys/riscv/include/in_cksum.h   | 2 --
 5 files changed, 10 deletions(-)

diff --git a/sys/amd64/include/in_cksum.h b/sys/amd64/include/in_cksum.h
index 7407b4ad7104..d9830168f5ab 100644
--- a/sys/amd64/include/in_cksum.h
+++ b/sys/amd64/include/in_cksum.h
@@ -37,8 +37,6 @@
 #ifndef _MACHINE_IN_CKSUM_H_
 #define	_MACHINE_IN_CKSUM_H_	1
 
-#include <sys/cdefs.h>
-
 #define in_cksum(m, len)	in_cksum_skip(m, len, 0)
 
 #ifdef _KERNEL
diff --git a/sys/arm/include/in_cksum.h b/sys/arm/include/in_cksum.h
index 352d46f07e7b..343052f4556c 100644
--- a/sys/arm/include/in_cksum.h
+++ b/sys/arm/include/in_cksum.h
@@ -37,8 +37,6 @@
 #ifndef _MACHINE_IN_CKSUM_H_
 #define	_MACHINE_IN_CKSUM_H_	1
 
-#include <sys/cdefs.h>
-
 #ifdef _KERNEL
 
 #define	HAVE_MD_IN_CKSUM
diff --git a/sys/arm64/include/in_cksum.h b/sys/arm64/include/in_cksum.h
index 522ba005a0e4..add7569a9f4a 100644
--- a/sys/arm64/include/in_cksum.h
+++ b/sys/arm64/include/in_cksum.h
@@ -35,8 +35,6 @@
 #ifndef _MACHINE_IN_CKSUM_H_
 #define	_MACHINE_IN_CKSUM_H_	1
 
-#include <sys/cdefs.h>
-
 #ifdef _KERNEL
 #define	in_cksum(m, len)	in_cksum_skip(m, len, 0)
 u_short in_addword(u_short sum, u_short b);
diff --git a/sys/powerpc/include/in_cksum.h b/sys/powerpc/include/in_cksum.h
index 7407b4ad7104..d9830168f5ab 100644
--- a/sys/powerpc/include/in_cksum.h
+++ b/sys/powerpc/include/in_cksum.h
@@ -37,8 +37,6 @@
 #ifndef _MACHINE_IN_CKSUM_H_
 #define	_MACHINE_IN_CKSUM_H_	1
 
-#include <sys/cdefs.h>
-
 #define in_cksum(m, len)	in_cksum_skip(m, len, 0)
 
 #ifdef _KERNEL
diff --git a/sys/riscv/include/in_cksum.h b/sys/riscv/include/in_cksum.h
index 522ba005a0e4..add7569a9f4a 100644
--- a/sys/riscv/include/in_cksum.h
+++ b/sys/riscv/include/in_cksum.h
@@ -35,8 +35,6 @@
 #ifndef _MACHINE_IN_CKSUM_H_
 #define	_MACHINE_IN_CKSUM_H_	1
 
-#include <sys/cdefs.h>
-
 #ifdef _KERNEL
 #define	in_cksum(m, len)	in_cksum_skip(m, len, 0)
 u_short in_addword(u_short sum, u_short b);