Re: [PATCH v2] kbuild: enforce -Werror=return-type

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On Mon, Oct 12, 2020 at 3:54 AM Olaf Hering <olaf@xxxxxxxxx> wrote:
>
> Catch errors which at least gcc tolerates by default:
>  warning: 'return' with no value, in function returning non-void [-Wreturn-type]


Applied to linux-kbuild. Thanks.



> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
> ---
>  Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index f84d7e4ca0be..965e7259e6e8 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -497,7 +497,7 @@ KBUILD_AFLAGS   := -D__ASSEMBLY__ -fno-PIE
>  KBUILD_CFLAGS   := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
>                    -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
>                    -Werror=implicit-function-declaration -Werror=implicit-int \
> -                  -Wno-format-security \
> +                  -Werror=return-type -Wno-format-security \
>                    -std=gnu89
>  KBUILD_CPPFLAGS := -D__KERNEL__
>  KBUILD_AFLAGS_KERNEL :=



-- 
Best Regards
Masahiro Yamada



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