linux-kernel - Re: [PATCH v2] wifi: mt7601u: delete dead code checking debugfs returns

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: <20230421072854.6521ecef@kernel.org>
Date:   Fri, 21 Apr 2023 07:28:54 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Wang Jikai <wangjikai@...t.edu.cn>
Cc:     Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        hust-os-kernel-patches@...glegroups.com,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2] wifi: mt7601u: delete dead code checking debugfs
 returns

On Fri, 21 Apr 2023 09:22:00 +0000 Wang Jikai wrote:
> Smatch reports that:
> drivers/net/wireless/mediatek/mt7601u/debugfs.c:130
> mt7601u_init_debugfs() warn: 'dir' is an error pointer or valid".
> 
> Debugfs code is not supposed to need error checking so instead of
> changing this to if (IS_ERR()) the correct thing is to just delete
> the dead code.
> 
> Signed-off-by: Wang Jikai <wangjikai@...t.edu.cn>

Acked-by: Jakub Kicinski <kuba@...nel.org>