linux-kernel - Re: [PATCH] eeprom: at24: Add support for large EEPROMs connected to SMBus adapters

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]

Date:	Wed, 25 Mar 2015 17:15:04 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] eeprom: at24: Add support for large EEPROMs connected to
 SMBus adapters

Guenter,

thanks for the update

> Ultimately, the real problem is how i2c-dev accesses a client, not how
> i2c client drivers (who assume they have exclusive access to a chip)
> handle multi-command sequences. Forcing extensive locking on all drivers
> because of i2c-dev just doesn't seem to be the right thing to do.

I agree. i2c-dev is too much of a special case.

And since at24 has its own lock (I missed that), your patch might as
well be good enough to be applied, I'd think.

Thanks for this work!


Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)