linux-kernel - Re: [PATCH 05/14] mfd: ipaq-micro: use __maybe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20160308042731.GG13692@x1>
Date:	Tue, 8 Mar 2016 11:27:31 +0700
From:	Lee Jones <lee.jones@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/14] mfd: ipaq-micro: use __maybe_unused to hide pm
 functions

On Wed, 02 Mar 2016, Arnd Bergmann wrote:

> The ipaq-micro driver uses SET_SYSTEM_SLEEP_PM_OPS() to
> remove the reference to its resume function, but does
> not use an #ifdef around the definition, so we get
> a build warning:
> 
> drivers/mfd/ipaq-micro.c:379:12: error: 'micro_resume' defined but not used [-Werror=unused-function]
> 
> This adds a __maybe_unused annotation so the compiler knows
> it can silently drop it instead of warning.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/mfd/ipaq-micro.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/ipaq-micro.c b/drivers/mfd/ipaq-micro.c
> index a41859c55bda..df16fd1df68b 100644
> --- a/drivers/mfd/ipaq-micro.c
> +++ b/drivers/mfd/ipaq-micro.c
> @@ -376,7 +376,7 @@ static const struct mfd_cell micro_cells[] = {
>  	{ .name = "ipaq-micro-leds", },
>  };
>  
> -static int micro_resume(struct device *dev)
> +static int __maybe_unused micro_resume(struct device *dev)
>  {
>  	struct ipaq_micro *micro = dev_get_drvdata(dev);
>  

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog