netdev - Re: [patch net] mlxsw: spectrum: Fix EEPROM access in case of SFP/SFP+

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: <20170911135826.GB27599@lunn.ch>
Date:   Mon, 11 Sep 2017 15:58:26 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, arkadis@...lanox.com,
        idosch@...lanox.com, flokli@...kli.de, mlxsw@...lanox.com
Subject: Re: [patch net] mlxsw: spectrum: Fix EEPROM access in case of
 SFP/SFP+

On Mon, Sep 11, 2017 at 09:42:26AM +0200, Jiri Pirko wrote:
> From: Arkadi Sharshevsky <arkadis@...lanox.com>
> 
> The current code does not handle correctly the access to the upper page
> in case of SFP/SFP+ EEPROM. In that case the offset should be local
> and the I2C address should be changed.

Shame you cannot/didn't expose the i2c bus as a linux i2c bus. The AT24 code
does not have this bug!

     Andrew