linux-kernel - Re: [Outreachy kernel] [PATCH 1/2] staging: rtl8723bs: hal: Remove set but unused variables

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Message-ID: <20210429072619.GB1409@agape.jhs>
Date:   Thu, 29 Apr 2021 09:26:20 +0200
From:   Fabio Aiuto <fabioaiuto83@...il.com>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Cc:     outreachy-kernel@...glegroups.com,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [Outreachy kernel] [PATCH 1/2] staging: rtl8723bs: hal: Remove
 set but unused variables

Hi Fabio,

On Wed, Apr 28, 2021 at 01:33:45PM +0200, Fabio M. De Francesco wrote:
> Removed four set but unused variables. Issue detected by gcc.
> 
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
> ---
>  drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
> index 082448557b53..96cb4426a0f4 100644
> --- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
> +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
> @@ -3900,14 +3900,11 @@ u8 GetHalDefVar8723B(struct adapter *padapter, enum hal_def_variable variable, v
>  			u32 cmd;
>  			u32 ra_info1, ra_info2;
>  			u32 rate_mask1, rate_mask2;
> -			u8 curr_tx_rate, curr_tx_sgi, hight_rate, lowest_rate;
>  
>  			cmd = 0x40000100 | mac_id;
>  			rtw_write32(padapter, REG_HMEBOX_DBG_2_8723B, cmd);
>  			msleep(10);
>  			ra_info1 = rtw_read32(padapter, 0x2F0);
> -			curr_tx_rate = ra_info1&0x7F;
> -			curr_tx_sgi = (ra_info1>>7)&0x01;
>  
>  			cmd = 0x40000400 | mac_id;
>  			rtw_write32(padapter, REG_HMEBOX_DBG_2_8723B, cmd);
> @@ -3916,8 +3913,6 @@ u8 GetHalDefVar8723B(struct adapter *padapter, enum hal_def_variable variable, v
>  			ra_info2 = rtw_read32(padapter, 0x2F4);
>  			rate_mask1 = rtw_read32(padapter, 0x2F8);
>  			rate_mask2 = rtw_read32(padapter, 0x2FC);
> -			hight_rate = ra_info2&0xFF;
> -			lowest_rate = (ra_info2>>8)  & 0xFF;
>  
>  		}
>  		break;
> -- 
> 2.31.1
> 
>

rate_mask{1,2} and ra_info{1,2} seems to be unused as well.

thank you,

fabio