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

From: Baolin Wang
Date: Wed May 11 2022 - 20:15:39 EST


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 <lkft@xxxxxxxxxx>

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/cover.1652270205.git.baolin.wang@xxxxxxxxxxxxxxxxx/