linux-kernel - Re: [PATCH v6 1/2] i2c: add support for microchip fpga i2c controllers

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: <YsVk0Gg1x7juHcZU@shikoro>
Date:   Wed, 6 Jul 2022 12:32:48 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Conor.Dooley@...rochip.com
Cc:     linux-i2c@...r.kernel.org, ben.dooks@...ethink.co.uk,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        Daire.McNamara@...rochip.com
Subject: Re: [PATCH v6 1/2] i2c: add support for microchip fpga i2c
 controllers


> I'd prefer the latter. Being called "core" is unfortunate and I
> did think about that. i2c-microchip-corei2c would have been my
> first choice but I thought the double usage of i2c would've been
> disapproved of haha

:) Well, double "i2c" is not exactly pretty but since it is the name of
that IP core...

> >> +		if (idev->msg_len <= 0)
> >> +			finished = true;
> > 
> > How can it happen that len is < 0? Wouldn't that be an error case?

Is it to be on the safe side?

> > Have you testes SMBUS_QUICK as well?
> 
> Not specifically SMBUS_QUICK, but I did test with hardware
> that uses "zero-length" messages.

Good!

> Thanks for the review :)

You are welcome.


Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)