Re: [Outreachy kernel] [PATCH] staging: rtl8723bs: core: Remove unused but set variable

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On Tuesday, April 13, 2021 5:16:17 PM CEST Julia Lawall wrote:
> On Tue, 13 Apr 2021, Fabio M. De Francesco wrote:
> > Removed "ledBlink_param" because it was set to the value of "pbuf" but
> > was never reused. This set was made by direct assignment (no helper
> > had been called), therefore it had no side effect to the location
> > pointed by "pbuf".
> > 
> > Signed-off-by: Fabio M. De Francesco <fmdefrancesco@xxxxxxxxx>
> > ---
> > 
> >  drivers/staging/rtl8723bs/core/rtw_mlme_ext.c | 2 --
> >  1 file changed, 2 deletions(-)
> > 
> > diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> > b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c index
> > f19a15a3924b..440e22922106 100644
> > --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> > +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c
> > @@ -6191,12 +6191,10 @@ u8 set_chplan_hdl(struct adapter *padapter,
> > unsigned char *pbuf)> 
> >  u8 led_blink_hdl(struct adapter *padapter, unsigned char *pbuf)
> >  {
> > 
> > -	struct LedBlink_param *ledBlink_param;
> > 
> >  	if (!pbuf)
> >  	
> >  		return H2C_PARAMETERS_ERROR;
> > 
> > -	ledBlink_param = (struct LedBlink_param *)pbuf;
> > 
> >  	return	H2C_SUCCESS;
> >  
> >  }
> 
> Is this function actually useful?
> 
> julia
>
Actually, it is completely useless.
We should ask the original authors for explanations :)

I'm about to grep the whole driver for the purpose to check if there are 
callers elsewhere and then delete any call and the function itself.

Thanks,

Fabio







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