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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.22.394.2104131715560.8430@hadrien>
Date:   Tue, 13 Apr 2021 17:16:17 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...ia.fr>
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] staging: rtl8723bs: core: Remove
 unused but set variable



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@...il.com>
> ---
>  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