linux-kernel - Re: next-20140312 - build error in drivers/acpi/sleep.c

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Date:	Thu, 13 Mar 2014 15:53:01 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
cc:	Valdis Kletnieks <Valdis.Kletnieks@...edu>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	Wu Fengguang <fengguang.wu@...el.com>
Subject: Re: next-20140312 - build error in drivers/acpi/sleep.c

On Thu, 13 Mar 2014, Rafael J. Wysocki wrote:

> On Thursday, March 13, 2014 02:48:31 PM Valdis Kletnieks wrote:
> > Seen in the most recent linux-next with a CONFIG_SUSPEND=n .config:
> > 
> >   CC      drivers/acpi/sleep.o
> > drivers/acpi/sleep.c: In function 'acpi_sleep_init':
> > drivers/acpi/sleep.c:808:2: error: implicit declaration of function 'acpi_sleep_state_supported' [-Werror=implicit-function-declaration]
> >   if (acpi_sleep_state_supported(ACPI_STATE_S5)) {
> >   ^
> > cc1: some warnings being treated as errors
> > make[2]: *** [drivers/acpi/sleep.o] Error 1
> > make[1]: *** [drivers/acpi] Error 2
> > make: *** [drivers] Error 2
> > 
> > Function is defined inside a #ifdef CONFIG_SUSPEND, but used outside of
> > one in acpi_sleep_init().
> 
> This isn't caught by the build test robot.  Care to submit that .config to
> Fengguang so that you don't have to report such failures again?
> 

I've triggered it >24 times build testing linux-next last night, sample 
config attached.
View attachment "linux-next.master.config" of type "TEXT/PLAIN" (81798 bytes)