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SubjectRe: [PATCH] firmware_loader: simplfy builtin or module check
On Wed, Jan 12, 2022 at 3:37 PM Randy Dunlap <rdunlap@infradead.org> wrote:
>
>
>
> On 1/11/22 18:34, Luis Chamberlain wrote:
> > The existing check is outdated and confuses developers. Use the
> > already existing IS_ENABLED() defined on kconfig.h which makes
> > the intention much clearer.
> >
> > Reported-by: Borislav Petkov <bp@alien8.de>
> > Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
>
> Acked-by: Randy Dunlap <rdunlap@infradead.org>
>
> Thanks.
>
> > ---
> > include/linux/firmware.h | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/include/linux/firmware.h b/include/linux/firmware.h
> > index 3b057dfc8284..fa3493dbe84a 100644
> > --- a/include/linux/firmware.h
> > +++ b/include/linux/firmware.h
> > @@ -34,7 +34,7 @@ static inline bool firmware_request_builtin(struct firmware *fw,
> > }
> > #endif
> >
> > -#if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
>
> The "defined(MODULE)" part wasn't needed here. :)



It _is_ needed.

This seems to be equivalent to IS_REACHABLE(CONFIG_FW_LOADER),
not IS_ENABLE(CONFIG_FW_LOADER).



>
> > +#if IS_ENABLED(CONFIG_FW_LOADER)
> > int request_firmware(const struct firmware **fw, const char *name,
> > struct device *device);
> > int firmware_request_nowarn(const struct firmware **fw, const char *name,
>
> --
> ~Randy



--
Best Regards
Masahiro Yamada

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