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

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On 1/11/22 22:56, Masahiro Yamada wrote:
> On Wed, Jan 12, 2022 at 3:37 PM Randy Dunlap <rdunlap@xxxxxxxxxxxxx> 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 The existing check is outdated and confuses developers.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@xxxxxxxxx>
>>> Reported-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>>> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
>>
>> Acked-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..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).
> 

Hm, /me confused.

How can CONFIG_FW_LOADER_MODULE be =y when MODULE is not defined?

> 
> 
>>
>>> +#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
> 
> 
> 

-- 
~Randy



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