Date: Wed, 3 Dec 2003 10:46:35 -0800 From: John-Mark Gurney <gurney_j@efn.org> To: Ian Dowse <iedowse@FreeBSD.org> Cc: green@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/usb ohci.c Message-ID: <20031203184635.GC54398@funkthat.com> In-Reply-To: <200311250223.hAP2NTua051542@repoman.freebsd.org> References: <200311250223.hAP2NTua051542@repoman.freebsd.org>
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Ian Dowse wrote this message on Mon, Nov 24, 2003 at 18:23 -0800:
> iedowse 2003/11/24 18:23:29 PST
>
> FreeBSD src repository
>
> Modified files:
> sys/dev/usb ohci.c
> Log:
> Write the correct value to `td_be' for the second and further
> transfer descriptors when a large request needs to be split into
> more than one 8k chunk. The bug was that the calculation did not
> take into account the offset of the chunk within the overall request.
> This is reported to fix crashes and data corruption on ohci
> controllers.
>
> Submitted by: green
> Approved by: re
Thanks for tracking this down for me. I wonder how/why it worked on
my system with such an obvious bug!!
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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