Subject: Re: [next] sh: hugetlb.h:27:1: error: no return statement in function returning non-void [-Werror=return-type]

From: Baolin Wang <[email-masked]>
Date: Thu, 12 May 2022 08:15:55 +0800

Hi,

On 5/11/2022 11:56 PM, Naresh Kamboju wrote:
> Following build regressions were noticed on sh builds on linux next-20220511
> with gcc-11, gcc-10, gcc-9 and gcc-8.
> 
> Regressions found on sh:
> 
>     - gcc-11-microdev_defconfig
>     - gcc-11-shx3_defconfig
>     - gcc-8-defconfig
>     - gcc-9-shx3_defconfig
>     - gcc-8-dreamcast_defconfig
>     - gcc-10-defconfig
>     - gcc-10-microdev_defconfig
>     - gcc-8-shx3_defconfig
>     - gcc-8-microdev_defconfig
>     - gcc-11-dreamcast_defconfig
>     - gcc-9-microdev_defconfig
>     - gcc-10-dreamcast_defconfig
>     - gcc-11-defconfig
>     - gcc-10-shx3_defconfig
>     - gcc-9-defconfig
>     - gcc-9-dreamcast_defconfig
> 
> Reported-by: Linux Kernel Functional Testing <[email-masked]>
> 
> In file included from include/linux/hugetlb.h:757,
>                   from mm/filemap.c:36:
> arch/sh/include/asm/hugetlb.h: In function 'huge_ptep_clear_flush':
> arch/sh/include/asm/hugetlb.h:27:1: error: no return statement in
> function returning non-void [-Werror=return-type]
>     27 | }
>        | ^
> cc1: some warnings being treated as errors
> make[2]: *** [scripts/Makefile.build:295: mm/filemap.o] Error 1
> 
> 
> Build url: https://builds.tuxbuild.com/291BWxg5eELaKSwUXNLIqh5w1k3/

Thanks for reporting. I'm sorry for my stupid mistakes. I've sent out a 
V4 to fix building issues[1], and Stephen will update today's 
(next-20220512) linux-next. Please test today's linux-next. Sorry for 
troubles again.

[1] 
https://lore.kernel.org/all/[email-masked]/