linux-kernel - Re: [PATCH] staging: rtl8723bs: remove useless comparison in _rtw_reg_apply

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] [day] [month] [year] [list]

Date:   Wed, 27 Jul 2022 08:41:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andrey Strachuk <strochuk@...ras.ru>
Cc:     Hans de Goede <hdegoede@...hat.com>, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: Re: [PATCH] staging: rtl8723bs: remove useless comparison in
 _rtw_reg_apply_flags()

On Tue, Jul 19, 2022 at 06:53:09PM +0300, Andrey Strachuk wrote:
> Local variable 'ch' is initialized by an address
> of field of ieee80211_supported_band structure, so it does
> not make sense to compare 'ch' with NULL.

Where is it initialized with an address?  You need to document this
here.

> 
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
> 
> Signed-off-by: Andrey Strachuk <strochuk@...ras.ru>
> Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver")

This is not a bug fix, but a code optimization, so no need for this
Fixes: tag.

thanks,

greg k-h