linux-kernel - Re: linux-next: build warning after merge of the pm tree

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Message-ID: <1596078619.23705.0.camel@mtkswgap22>
Date:   Thu, 30 Jul 2020 11:10:19 +0800
From:   Neal Liu <neal.liu@...iatek.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
CC:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>
Subject: Re: linux-next: build warning after merge of the pm tree

This warning should be fixed also.
Should I send another patch?

Thanks !

On Thu, 2020-07-30 at 12:55 +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the pm tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> drivers/acpi/processor_idle.c: In function 'acpi_idle_enter_s2idle':
> drivers/acpi/processor_idle.c:666:4: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
>   666 |    return;
>       |    ^~~~~~
> drivers/acpi/processor_idle.c:657:12: note: declared here
>   657 | static int acpi_idle_enter_s2idle(struct cpuidle_device *dev,
>       |            ^~~~~~~~~~~~~~~~~~~~~~
> drivers/acpi/processor_idle.c:670:4: warning: 'return' with no value, in function returning non-void [-Wreturn-type]
>   670 |    return;
>       |    ^~~~~~
> drivers/acpi/processor_idle.c:657:12: note: declared here
>   657 | static int acpi_idle_enter_s2idle(struct cpuidle_device *dev,
>       |            ^~~~~~~~~~~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   efe9711214e6 ("cpuidle: change enter_s2idle() prototype")
>