linux-kernel - [PATCH AUTOSEL 4.19 46/47] x86, boot: Remove multiple copy of static function sanitize_boot

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Message-Id: <20190726134210.12156-46-sashal@kernel.org>
Date:   Fri, 26 Jul 2019 09:42:09 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Zhenzhong Duan <zhenzhong.duan@...cle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.19 46/47] x86, boot: Remove multiple copy of static function sanitize_boot_params()

From: Zhenzhong Duan <zhenzhong.duan@...cle.com>

[ Upstream commit 8c5477e8046ca139bac250386c08453da37ec1ae ]

Kernel build warns:
 'sanitize_boot_params' defined but not used [-Wunused-function]

at below files:
  arch/x86/boot/compressed/cmdline.c
  arch/x86/boot/compressed/error.c
  arch/x86/boot/compressed/early_serial_console.c
  arch/x86/boot/compressed/acpi.c

That's becausethey each include misc.h which includes a definition of
sanitize_boot_params() via bootparam_utils.h.

Remove the inclusion from misc.h and have the c file including
bootparam_utils.h directly.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@...cle.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lkml.kernel.org/r/1563283092-1189-1-git-send-email-zhenzhong.duan@oracle.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/x86/boot/compressed/misc.c | 1 +
 arch/x86/boot/compressed/misc.h | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 8dd1d5ccae58..0387d7a96c84 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -17,6 +17,7 @@
 #include "pgtable.h"
 #include "../string.h"
 #include "../voffset.h"
+#include <asm/bootparam_utils.h>
 
 /*
  * WARNING!!
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index a423bdb42686..47fd18db6b3b 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -22,7 +22,6 @@
 #include <asm/page.h>
 #include <asm/boot.h>
 #include <asm/bootparam.h>
-#include <asm/bootparam_utils.h>
 
 #define BOOT_BOOT_H
 #include "../ctype.h"
-- 
2.20.1