linux-kernel - Re: [PATCH] staging: rtl8723bs: remove unused pHalData variable

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Message-ID: <ZCBArurFCc7Pae+T@kroah.com>
Date:   Sun, 26 Mar 2023 14:55:10 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Nam Cao <namcaov@...il.com>
Cc:     Tom Rix <trix@...hat.com>, nathan@...nel.org,
        ndesaulniers@...gle.com, artur.bujdoso@...il.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: Re: [PATCH] staging: rtl8723bs: remove unused pHalData variable

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@...hat.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 :)

thanks,

greg k-h