linux-kernel - Re: [PATCH] staging: rtl8723bs: remove redundant assignment to rtStatus

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Message-ID: <c145610a-b5c7-9bfd-eb06-e51eb324dae0@canonical.com>
Date:   Mon, 17 Jun 2019 14:08:06 +0100
From:   Colin Ian King <colin.king@...onical.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8723bs: remove redundant assignment to
 rtStatus

On 17/06/2019 13:47, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Variable rtStatus is initialized with a value that is never read
> and later it is reassigned a new value.  Hence the initialization
> is redundant and can be removed.
> 
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
>  drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
> index 21f2365fa627..bda19769c37f 100644
> --- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
> +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
> @@ -352,7 +352,7 @@ void rtl8723b_FirmwareSelfReset(struct adapter *padapter)
>  /*  */
>  s32 rtl8723b_FirmwareDownload(struct adapter *padapter, bool  bUsedWoWLANFw)
>  {
> -	s32 rtStatus = _SUCCESS;
> +	s32 rtStatus;
>  	u8 write_fw = 0;
>  	unsigned long fwdl_start_time;
>  	struct hal_com_data *pHalData = GET_HAL_DATA(padapter);
> 

Actually, ignore this, the driver has lots more of these that need
cleaning up, I'll send a V2 with all the fixups later.

Colin