netdev - Re: [RFC PATCH net-next 01/13] RDMA/mlx4: remove bogus dev_base

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: <20201208064342.GC4430@unreal>
Date:   Tue, 8 Dec 2020 08:43:42 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jiri Benc <jbenc@...hat.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Eric Dumazet <edumazet@...gle.com>,
        George McCollister <george.mccollister@...il.com>,
        Oleksij Rempel <o.rempel@...gutronix.de>
Subject: Re: [RFC PATCH net-next 01/13] RDMA/mlx4: remove bogus dev_base_lock
 usage

On Mon, Dec 07, 2020 at 01:59:07AM +0200, Vladimir Oltean wrote:
> The dev_base_lock does not protect dev->dev_addr, so it serves no
> purpose here.
>
> Cc: Leon Romanovsky <leon@...nel.org>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> ---
>  drivers/infiniband/hw/mlx4/main.c | 3 ---
>  1 file changed, 3 deletions(-)

Agree with the description, most likely the authors wanted to ensure
that "dev" doesn't disappear, but it is not correct way to do and not
needed in that flow.

Thanks for the patch,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>