Re: [PATCH 57/57] staging: rtl8723bs: hal: sdio_halinit: Remove unused variable 'ret'

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On Thu, 15 Apr 2021, Fabio Aiuto wrote:

> On Wed, Apr 14, 2021 at 07:11:29PM +0100, Lee Jones wrote:
> > Fixes the following W=1 kernel build warning(s):
> > 
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c: In function ‘CardDisableRTL8723BSdio’:
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c:881:5: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c: In function ‘CardDisableRTL8723BSdio’:
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c:881:5: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c: In function ‘CardDisableRTL8723BSdio’:
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c:881:5: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c: In function ‘CardDisableRTL8723BSdio’:
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c:881:5: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c: In function ‘CardDisableRTL8723BSdio’:
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c:881:5: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
> > 
> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > Cc: Fabio Aiuto <fabioaiuto83@xxxxxxxxx>
> > Cc: Stanley@BB.SD3
> > Cc: linux-staging@xxxxxxxxxxxxxxx
> > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> > ---
> >  drivers/staging/rtl8723bs/hal/sdio_halinit.c | 6 ++----
> >  1 file changed, 2 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/staging/rtl8723bs/hal/sdio_halinit.c b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
> > index f6d734dd1a24f..60d3d6d1ba678 100644
> > --- a/drivers/staging/rtl8723bs/hal/sdio_halinit.c
> > +++ b/drivers/staging/rtl8723bs/hal/sdio_halinit.c
> > @@ -878,10 +878,9 @@ static void CardDisableRTL8723BSdio(struct adapter *padapter)
> >  {
> >  	u8 u1bTmp;
> >  	u8 bMacPwrCtrlOn;
> > -	u8 ret = _FAIL;
> >  
> >  	/*  Run LPS WL RFOFF flow */
> > -	ret = HalPwrSeqCmdParsing(padapter, PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK, PWR_INTF_SDIO_MSK, rtl8723B_enter_lps_flow);
> > +	HalPwrSeqCmdParsing(padapter, PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK, PWR_INTF_SDIO_MSK, rtl8723B_enter_lps_flow);
> >  
> >  	/* 	==== Reset digital sequence   ====== */
> >  
> > @@ -909,9 +908,8 @@ static void CardDisableRTL8723BSdio(struct adapter *padapter)
> >  	/* 	==== Reset digital sequence end ====== */
> >  
> >  	bMacPwrCtrlOn = false;	/*  Disable CMD53 R/W */
> > -	ret = false;
> >  	rtw_hal_set_hwreg(padapter, HW_VAR_APFM_ON_MAC, &bMacPwrCtrlOn);
> > -	ret = HalPwrSeqCmdParsing(padapter, PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK, PWR_INTF_SDIO_MSK, rtl8723B_card_disable_flow);
> > +	HalPwrSeqCmdParsing(padapter, PWR_CUT_ALL_MSK, PWR_FAB_ALL_MSK, PWR_INTF_SDIO_MSK, rtl8723B_card_disable_flow);
> >  }
> >  
> >  static u32 rtl8723bs_hal_deinit(struct adapter *padapter)
> 
> perhaps it's better to check the return value and return it
> to the caller if something goes wrong,

No problem.  Will fix.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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