linux-kernel - Re: [PATCH v5] wifi: ath5k: remove phydir check from ath5k_debug_init

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 for Android: free password hash cracker in your pocket

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

Date:   Fri, 14 Jul 2023 09:11:23 +0200
From:   Jiri Slaby <jirislaby@...nel.org>
To:     Minjie Du <duminjie@...o.com>,
        Nick Kossifidis <mickflemm@...il.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kalle Valo <kvalo@...nel.org>,
        "open list:ATHEROS ATH5K WIRELESS DRIVER" 
        <linux-wireless@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Cc:     opensource.kernel@...o.com
Subject: Re: [PATCH v5] wifi: ath5k: remove phydir check from
 ath5k_debug_init_device()

On 14. 07. 23, 9:10, Minjie Du wrote:
> 'phydir' returned from debugfs_create_dir() is checked against NULL.
> As the debugfs API returns an error pointer,
> the returned value can never be NULL.
> 
> Therefore, as the documentation suggests that the check is unnecessary
> and other debugfs calls have no operation in error cases,
> it is advisable to completely eliminate the check.
> 
> Signed-off-by: Minjie Du <duminjie@...o.com>

Reviewed-by: Jiri Slaby <jirislaby@...nel.org>

thanks,
-- 
js
suse labs