Re: [PATCH v2] firmware_loader: simplfy builtin or module check

From: Randy Dunlap
Date: Wed Jan 12 2022 - 11:22:31 EST




On 1/12/22 08:00, Luis Chamberlain wrote:
> The existing check is outdated and confuses developers. Use the
> already existing IS_REACHABLE() defined on kconfig.h which makes
> the intention much clearer.

Yes.

> Reported-by: Borislav Petkov <bp@xxxxxxxxx>
> Reported-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Suggested-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>

Ackd-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

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..ec2ccfebef65 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))
> +#if IS_REACHABLE(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