Subject: Re: linux-next: build warning after merge of the char-misc tree

From: Greg KH <[email-masked]>
Date: Thu, 20 Jul 2017 07:13:24 +0200

On Thu, Jul 20, 2017 at 02:12:03PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the char-misc tree, yesterday's linux-next build (i386
> defconfig) produced this warning:
> 
> In file included from /home/sfr/next/next/arch/x86/entry/vdso/vma.c:25:0:
> /home/sfr/next/next/arch/x86/include/asm/mshyperv.h:181:15: warning: return type defaults to 'int' [-Wreturn-type]  
>  static inline hyperv_cleanup(void) {}
>                ^
> 
> Introduced by commit
> 
>   2e252fbf777d ("x86/hyper-v: include hyperv/ only when CONFIG_HYPERV is set")

Ugh, KY, can you send me a fix for this?

All of these gcc-7 warnings are keeping me from seeing the "real"
problems now :(

thanks,

greg k-h