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Date:   Sun, 26 Apr 2020 18:27:33 +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 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;
         return 0;
  } /* init_ray_cs */

> [...]
> 
> MBR, Sergei
> 
> .

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