From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from vultr.musolino.id.au ([45.76.123.158]) by ewsd; Thu Jun 11 03:18:04 EDT 2020
Received: from 58.96.111.26 ([58.96.111.26]) by vultr; Thu Jun 11 17:18:00 EST 2020
Message-ID: <9A514EBF6480D00B4BACEC8951BFE737@musolino.id.au>
From: Alex Musolino <alex@musolino.id.au>
Date: Thu, 11 Jun 2020 16:47:56 +0930
To: 9front@9front.org
Subject: Re: [9front] new nusb/serial driver
In-Reply-To: <CAHwi9bz7qpA11VWd0r6nDdoseM_qiwR7rxwpdN8p5N74j0mO6g@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
List-ID: <9front.9front.org>
List-Help: <http://lists.9front.org>
X-Glyph: ➈
X-Bullshit: DOM method database 

You didn't include cdc.c in your patch.