linux-kernel - [PATCH 4.4 15/70] modules: mark __inittest/__exittest as __maybe

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Message-Id: <20181126105048.350575931@linuxfoundation.org>
Date:   Mon, 26 Nov 2018 11:50:30 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Miroslav Benes <mbenes@...e.cz>,
        Rusty Russell <rusty@...tcorp.com.au>,
        Jessica Yu <jeyu@...hat.com>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH 4.4 15/70] modules: mark __inittest/__exittest as __maybe_unused

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arnd Bergmann <arnd@...db.de>

commit 1f318a8bafcfba9f0d623f4870c4e890fd22e659 upstream.

clang warns about unused inline functions by default:

arch/arm/crypto/aes-cipher-glue.c:68:1: warning: unused function '__inittest' [-Wunused-function]
arch/arm/crypto/aes-cipher-glue.c:69:1: warning: unused function '__exittest' [-Wunused-function]

As these appear in every single module, let's just disable the warnings by marking the
two functions as __maybe_unused.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Miroslav Benes <mbenes@...e.cz>
Acked-by: Rusty Russell <rusty@...tcorp.com.au>
Signed-off-by: Jessica Yu <jeyu@...hat.com>
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/module.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -125,13 +125,13 @@ extern void cleanup_module(void);
 
 /* Each module must use one module_init(). */
 #define module_init(initfn)					\
-	static inline initcall_t __inittest(void)		\
+	static inline initcall_t __maybe_unused __inittest(void)		\
 	{ return initfn; }					\
 	int init_module(void) __attribute__((alias(#initfn)));
 
 /* This is only required if you want to be unloadable. */
 #define module_exit(exitfn)					\
-	static inline exitcall_t __exittest(void)		\
+	static inline exitcall_t __maybe_unused __exittest(void)		\
 	{ return exitfn; }					\
 	void cleanup_module(void) __attribute__((alias(#exitfn)));