linux-kernel - Re: linux-next: build warnings after merge of the clockevents tree

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Date:   Mon, 17 Jun 2019 09:58:50 +0100
From:   Andrew Murray <andrew.murray@....com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Will Deacon <will.deacon@....com>,
        Marc Zyngier <marc.zyngier@....com>
Subject: Re: linux-next: build warnings after merge of the clockevents tree

On Mon, Jun 17, 2019 at 02:52:45PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the clockevents tree, today's linux-next build (arm
> multi_v7_defconfig) produced these warnings:
> 
> In file included from arch/arm/kernel/vdso.c:30:
> arch/arm/include/asm/arch_timer.h: In function 'arch_timer_set_evtstrm_feature':
> arch/arm/include/asm/arch_timer.h:131:1: warning: no return statement in function returning non-void [-Wreturn-type]
>  }
>  ^
> In file included from drivers/clocksource/arm_arch_timer.c:31:
> arch/arm/include/asm/arch_timer.h: In function 'arch_timer_set_evtstrm_feature':
> arch/arm/include/asm/arch_timer.h:131:1: warning: no return statement in function returning non-void [-Wreturn-type]
>  }
>  ^
> 
> Introduced by commit
> 
>   11e34eca5d0a ("clocksource/arm_arch_timer: Extract elf_hwcap use to arch-helper")

This was also picked up by the kbuild robot, I'll sent a patch shortly - apologies.

Thanks,

Andrew Murray

> 
> Look like a missed "return".
> 
> -- 
> Cheers,
> Stephen Rothwell