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Date:   Sun, 26 Apr 2020 18:33:03 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        <kvalo@...eaurora.org>, <davem@...emloft.net>,
        <adobriyan@...il.com>, <tglx@...utronix.de>,
        <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ray_cs: use true,false for bool variable



在 2020/4/26 18:27, Jason Yan 写道:
> 
> 
> 在 2020/4/26 17:47, Sergei Shtylyov 写道:
>> Hello!
>>
>> On 26.04.2020 12:41, Jason Yan wrote:
>>
>>> Fix the following coccicheck warning:
>>>
>>> drivers/net/wireless/ray_cs.c:2797:5-14: WARNING: Comparison of 0/1 to
>>> bool variable
>>> drivers/net/wireless/ray_cs.c:2798:2-11: WARNING: Assignment of 0/1 to
>>> bool variable
>>>
>>> Signed-off-by: Jason Yan <yanaijie@...wei.com>
>>> ---
>>>   drivers/net/wireless/ray_cs.c | 4 ++--
>>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/net/wireless/ray_cs.c 
>>> b/drivers/net/wireless/ray_cs.c
>>> index c1d542bfa530..f9402424accd 100644
>>> --- a/drivers/net/wireless/ray_cs.c
>>> +++ b/drivers/net/wireless/ray_cs.c
>>> @@ -2794,8 +2794,8 @@ static int __init init_ray_cs(void)
>>>       proc_create_data("driver/ray_cs/translate", 0200, NULL, 
>>> &int_proc_ops,
>>>                &translate);
>>>   #endif
>>> -    if (translate != 0)
>>> -        translate = 1;
>>> +    if (!translate)
>>
>>     That inverts the original logic, no?
> 
> Oh, yes.
> 
>>
>>> +        translate = true;
>>
>>     Actually, that whole comparison/assignment doesn't make sense, if 
>> we use bool...
>>
> 
> So may be we can do this:
> 
> diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
> index c1d542bfa530..9ea695459342 100644
> --- a/drivers/net/wireless/ray_cs.c
> +++ b/drivers/net/wireless/ray_cs.c
> @@ -2794,8 +2794,7 @@ static int __init init_ray_cs(void)
>          proc_create_data("driver/ray_cs/translate", 0200, NULL, 
> &int_proc_ops,
>                           &translate);
>   #endif
> -       if (translate != 0)
> -               translate = 1;
> +       translate == !!translate;

Sorry, this should be:
		translate = !!translate;

>          return 0;
>   } /* init_ray_cs */
> 
>> [...]
>>
>> MBR, Sergei
>>
>> .
> 
> 
> .

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