linux-kernel - [PATCH 1/1] KERNEL: add __attribute_

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Message-Id: <20140507223339.3dccf63d066edbcac207e6f3@skynet.be>
Date:	Wed, 7 May 2014 22:33:39 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	akpm <akpm@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: [PATCH 1/1] KERNEL: add __attribute__  in c file

This patch fixes a sparse warning about noreturn attribute only
featuring in module.h

kernel/module.c:212:6: error: symbol '__module_put_and_exit' redeclared with
different type (originally declared at include/linux/module.h:449)-
different modifiers

Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 include/linux/module.h | 4 ++--
 kernel/module.c        | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index f520a76..05ab8f3 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -446,8 +446,8 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
 					     struct module *, unsigned long),
 				   void *data);
 
-extern void __module_put_and_exit(struct module *mod, long code)
-	__attribute__((noreturn));
+extern void __attribute__((noreturn)) __module_put_and_exit(struct module *mod,
+							    long code);
 #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code)
 
 #ifdef CONFIG_MODULE_UNLOAD
diff --git a/kernel/module.c b/kernel/module.c
index 079c461..7d78872 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -209,7 +209,8 @@ static inline void add_taint_module(struct module *mod, unsigned flag,
  * A thread that wants to hold a reference to a module only while it
  * is running can call this to safely exit.  nfsd and lockd use this.
  */
-void __module_put_and_exit(struct module *mod, long code)
+void __attribute__((noreturn)) __module_put_and_exit(struct module *mod,
+						     long code)
 {
 	module_put(mod);
 	do_exit(code);
-- 
1.8.4.5

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