linux-kernel - [PATCH] livepatch: remove extern specifier from header files

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Date:	Wed, 18 Feb 2015 15:21:07 +0100
From:	Miroslav Benes <mbenes@...e.cz>
To:	jpoimboe@...hat.com, sjenning@...hat.com, jkosina@...e.cz,
	vojtech@...e.cz
Cc:	masami.hiramatsu.pt@...achi.com, pmladek@...e.cz,
	live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
	Miroslav Benes <mbenes@...e.cz>
Subject: [PATCH] livepatch: remove extern specifier from header files

Storage-class specifier 'extern' is redundant in front of the function
declaration. According to the C specification it has the same meaning as
if not present at all. So remove it.

Signed-off-by: Miroslav Benes <mbenes@...e.cz>
---
 arch/x86/include/asm/livepatch.h | 4 ++--
 include/linux/livepatch.h        | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/livepatch.h b/arch/x86/include/asm/livepatch.h
index a455a53..2d29197 100644
--- a/arch/x86/include/asm/livepatch.h
+++ b/arch/x86/include/asm/livepatch.h
@@ -32,8 +32,8 @@ static inline int klp_check_compiler_support(void)
 #endif
 	return 0;
 }
-extern int klp_write_module_reloc(struct module *mod, unsigned long type,
-				  unsigned long loc, unsigned long value);
+int klp_write_module_reloc(struct module *mod, unsigned long type,
+			   unsigned long loc, unsigned long value);
 
 static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
 {
diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h
index 95023fd..ee6dbb3 100644
--- a/include/linux/livepatch.h
+++ b/include/linux/livepatch.h
@@ -123,10 +123,10 @@ struct klp_patch {
 	enum klp_state state;
 };
 
-extern int klp_register_patch(struct klp_patch *);
-extern int klp_unregister_patch(struct klp_patch *);
-extern int klp_enable_patch(struct klp_patch *);
-extern int klp_disable_patch(struct klp_patch *);
+int klp_register_patch(struct klp_patch *);
+int klp_unregister_patch(struct klp_patch *);
+int klp_enable_patch(struct klp_patch *);
+int klp_disable_patch(struct klp_patch *);
 
 #endif /* CONFIG_LIVEPATCH */
 
-- 
2.1.4

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