linux-kernel - Re: [PATCH net-next v2] bnx2x: remove redundant NULL-pointer check

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]

Message-ID: <20241031183227.457cd1e5@kernel.org>
Date: Thu, 31 Oct 2024 18:32:27 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Nikita Kiryushin <kiryushin@...ud.ru>
Cc: Sudarsana Kalluru <skalluru@...vell.com>, Manish Chopra
 <manishc@...vell.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org
Subject: Re: [PATCH net-next v2] bnx2x: remove redundant NULL-pointer check

On Fri, 25 Oct 2024 20:42:03 +0300 Nikita Kiryushin wrote:
> bnx2x_get_vf_config() contains NULL-pointer checks for
> mac_obj and vlan_obj.
> 
> The fields checked are assigned to (after macro expansions):
> 
> mac_obj = &((vf)->vfqs[0].mac_obj);
> vlan_obj = &((vf)->vfqs[0].vlan_obj);
> 
> It is impossible to get NULL for those.
> 
> Remove superfluous NULL-pointer check and associated
> unreachable code to improve readability.

this is an old driver and the 4 saved LoC on the control path
don't seem to justify the review effort needed, anyway, sorry.
-- 
pw-bot: reject