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Subject: Re: [PATCH] staging: rtl8723bs: remove unused pHalData variable
To:     Greg KH <gregkh@linuxfoundation.org>, Nam Cao <namcaov@gmail.com>
Cc:     nathan@kernel.org, ndesaulniers@google.com,
        artur.bujdoso@gmail.com, linux-staging@lists.linux.dev,
        linux-kernel@vger.kernel.org, llvm@lists.linux.dev
References: <20230326122321.1352337-1-trix@redhat.com>
 <ZCA+vIjUFHZFUFPC@nam-dell> <ZCBArurFCc7Pae+T@kroah.com>
From:   Tom Rix <trix@redhat.com>
Message-ID: <8a2746a0-57e0-621b-7db9-2719554d050b@redhat.com>
Date:   Sun, 26 Mar 2023 06:13:16 -0700
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On 3/26/23 5:55 AM, Greg KH wrote:
> On Sun, Mar 26, 2023 at 02:46:52PM +0200, Nam Cao wrote:
>> On Sun, Mar 26, 2023 at 08:23:21AM -0400, Tom Rix wrote:
>>> clang with W=1 reports
>>> drivers/staging/rtl8723bs/hal/hal_btcoex.c:1182:23: error: variable
>>>    'pHalData' set but not used [-Werror,-Wunused-but-set-variable]
>>>          struct hal_com_data *pHalData;
>>>                               ^
>>> This variable is not used so remove it.
>>>
>>> Signed-off-by: Tom Rix <trix@redhat.com>
>>> ---
>>>   drivers/staging/rtl8723bs/hal/hal_btcoex.c | 4 ----
>>>   1 file changed, 4 deletions(-)
>>>
>>> diff --git a/drivers/staging/rtl8723bs/hal/hal_btcoex.c b/drivers/staging/rtl8723bs/hal/hal_btcoex.c
>>> index e36f8c369a04..0cb2adcc1f78 100644
>>> --- a/drivers/staging/rtl8723bs/hal/hal_btcoex.c
>>> +++ b/drivers/staging/rtl8723bs/hal/hal_btcoex.c
>>> @@ -1179,10 +1179,6 @@ bool hal_btcoex_IsBtDisabled(struct adapter *padapter)
>>>   
>>>   void hal_btcoex_SetChipType(struct adapter *padapter, u8 chipType)
>>>   {
>>> -	struct hal_com_data *pHalData;
>>> -
>>> -
>>> -	pHalData = GET_HAL_DATA(padapter);
>>>   }
>> If this function doesn't do anything, does it not make more sense to
>> just remove this function entirely?
> This function is already removed in linux-next, so it doesn't matter :)

My patch is against linux-next from tag next-20230324

Tom

>
> thanks,
>
> greg k-h
>