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

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Message-ID: <0ccb377d-0073-9e3b-758d-441747002f6f@infradead.org>
Date:   Wed, 12 Jan 2022 08:22:14 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Luis Chamberlain <mcgrof@...nel.org>, gregkh@...uxfoundation.org,
        bp@...e.de
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PATCH v2] firmware_loader: simplfy builtin or module check



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 The existing check is outdated and confuses developers.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@...en8.de>
> Reported-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Suggested-by: Masahiro Yamada <masahiroy@...nel.org>
> Cc: Randy Dunlap <rdunlap@...radead.org>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>

Ackd-by: Randy Dunlap <rdunlap@...radead.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..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