Re: USB: serial: Deletion of an unnecessary check before the function call "release_firmware"

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>> diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
>> index ab1d690..3653ec1 100644
>> --- a/drivers/usb/serial/mxuport.c
>> +++ b/drivers/usb/serial/mxuport.c
>> @@ -1101,8 +1101,7 @@ static int mxuport_probe(struct usb_serial *serial,
>>  	 */
>>  	usb_set_serial_data(serial, (void *)id->driver_info);
>>  out:
>> -	if (fw_p)
>> -		release_firmware(fw_p);
>> +	release_firmware(fw_p);
> 
> I think that the if should stay.

I have got an other opinion.


> There were two cases on the allocation, so there should be two cases
> on the release.

I find that this implementation detail does not really matter for the
necessity of a null pointer check directly before such a function call.

Regards,
Markus
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