Re: [PATCH v1] kbuild: enforce -Werror=unused-result

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On Tue, Dec 1, 2020 at 7:42 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> On Tue, Nov 17, 2020 at 7:47 PM Olaf Hering <olaf@xxxxxxxxx> wrote:
> >
> > It is a hard error if a return value is ignored.
> > In case the return value has no meaning, remove the attribute.
> >
> > Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
>
> Applied to linux-kbuild.
> Thanks.

I will postpone this by the next MW.

Some instances of __must_check violation are still remaining,
which end up with build breakages.





>
> > ---
> >  Makefile | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Makefile b/Makefile
> > index e2c3f65c4721..c7f9acffad42 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 \
> > -                  -Werror=return-type -Wno-format-security \
> > +                  -Werror=return-type -Werror=unused-result -Wno-format-security \
> >                    -std=gnu89
> >  KBUILD_CPPFLAGS := -D__KERNEL__
> >  KBUILD_AFLAGS_KERNEL :=
>
>
>
> --
> Best Regards
> Masahiro Yamada



-- 
Best Regards
Masahiro Yamada



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