linux-kernel - Re: [PATCH] staging: r8188eu: convert three functions to bool

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Date:   Sun, 6 Nov 2022 10:39:10 +0100
From:   Michael Straube <straube.linux@...il.com>
To:     Joe Perches <joe@...ches.com>, gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: convert three functions to bool

On 11/6/22 09:58, Joe Perches wrote:
> On Sat, 2022-11-05 at 10:39 +0100, Michael Straube wrote:
>> The functions
>>
>> is_client_associated_to_ap()
>> is_client_associated_to_ibss()
>> is_IBSS_empty()
>>
>> return boolean values. Convert their return type to bool and replace
>> _FAIL, which is defined as 0, with false. Another step to get rid of
>> _SUCCESS / _FAIL.
> 
> yay.
> 
>> diff --git a/drivers/staging/r8188eu/core/rtw_wlan_util.c b/drivers/staging/r8188eu/core/rtw_wlan_util.c
> []
>> +bool is_client_associated_to_ap(struct adapter *padapter)
>>   {
>>   	struct mlme_ext_priv	*pmlmeext;
>>   	struct mlme_ext_info	*pmlmeinfo;
>>   
>>   	if (!padapter)
>> -		return _FAIL;
>> +		return false;
>>   
>>   	pmlmeext = &padapter->mlmeextpriv;
>>   	pmlmeinfo = &pmlmeext->mlmext_info;
>>   
>>   	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE))
>>   		return true;
>> -	else
>> -		return _FAIL;
>> +
>> +	return false;
> 
> instead of
> 
> 	if (foo)
> 		return true;
> 	return false;
> 
> These could be:
> 
> 	return (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) &&
> 	       ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE);
> 
>> +bool is_client_associated_to_ibss(struct adapter *padapter)
>>   {
>>   	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
>>   	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
>>   
>>   	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE))
>>   		return true;
>> -	else
>> -		return _FAIL;
>> +
>> +	return false;
> 
> and
> 
> 	return (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) &&
> 	       ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE);
> 
> 

I'll keep this in mind for a future patch.

Thanks,
Michael