netdev - Re: [PATCH net] net: dsa: mv88e6xxx: handle unknown duplex modes gracefully in mv88e6xxx_port_set

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: <20190301223131.GH25843@lunn.ch>
Date:   Fri, 1 Mar 2019 23:31:31 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Heiner Kallweit <hkallweit1@...il.com>
Cc:     Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] net: dsa: mv88e6xxx: handle unknown duplex modes
 gracefully in mv88e6xxx_port_set_duplex

On Fri, Mar 01, 2019 at 07:53:57PM +0100, Heiner Kallweit wrote:
> When testing another issue I faced the problem that
> mv88e6xxx_port_setup_mac() failed due to DUPLEX_UNKNOWN being passed
> as argument to mv88e6xxx_port_set_duplex(). We should handle this case
> gracefully and return -EOPNOTSUPP, like e.g. mv88e6xxx_port_set_speed()
> is doing it.
> 
> Fixes: 7f1ae07b51e8 ("net: dsa: mv88e6xxx: add port duplex setter")
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew