From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3C8780DB.8DD59ACE@strakt.com>
From: Boyd Roberts <boyd@strakt.com>
MIME-Version: 1.0
To: 9fans@cse.psu.edu
Subject: Re: [9fans] ether8139.c fix
References: <c375fdd1f9e99d3297783ffd139be38d@plan9.bell-labs.com>
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Date: Thu,  7 Mar 2002 16:01:47 +0100
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> This fix should be a noop.  Though the change should be made for
> clarity, after the bp = iallocb(length), both bp->rp and
> bp->wp point to the same spot.

Had me puzzled too until I realised it had to be a ring buffer.