linux-kernel - Re: [PATCH] staging: rtl8723bs: Remove redundant initialization of variable efuseValue

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Date:   Tue, 4 Oct 2022 23:12:15 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Colin Ian King <colin.i.king@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Saurav Girepunje <saurav.girepunje@...il.com>,
        linux-staging@...ts.linux.dev
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8723bs: Remove redundant initialization of
 variable efuseValue

On 10/4/22 17:35, Colin Ian King wrote:
> The variable efuseValue is being initialized with a value that is never
> read. The variable is being re-assigned later on. The initialization is
> redundant and can be removed.
> 
> Cleans up warning:
> drivers/staging/rtl8723bs/core/rtw_efuse.c:285:6: warning: variable
> 'efuseValue' set but not used [-Wunused-but-set-variable]
> 
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>
> ---
>   drivers/staging/rtl8723bs/core/rtw_efuse.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8723bs/core/rtw_efuse.c b/drivers/staging/rtl8723bs/core/rtw_efuse.c
> index 06e727ce9cc2..eb848f9bbf2c 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_efuse.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_efuse.c
> @@ -282,7 +282,7 @@ u8 efuse_OneByteWrite(struct adapter *padapter, u16 addr, u8 data, bool bPseudoT
>   {
>   	u8 tmpidx = 0;
>   	u8 bResult = false;
> -	u32 efuseValue = 0;
> +	u32 efuseValue;
>   
>   	if (bPseudoTest)
>   		return Efuse_Write1ByteToFakeContent(addr, data);


I propose to remove all lines with efuseValue as it is dead code.

Make a v2 of this patch with version history below the ---

Thanks for your support.

Bye Philipp