From owner-freebsd-usb@FreeBSD.ORG  Tue Jan 20 21:43:44 2015
Return-Path: <owner-freebsd-usb@FreeBSD.ORG>
Delivered-To: freebsd-usb@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id A56D7F4F
 for <freebsd-usb@freebsd.org>; Tue, 20 Jan 2015 21:43:44 +0000 (UTC)
Received: from mail.turbocat.net (mail.turbocat.net
 [IPv6:2a01:4f8:d16:4514::2])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 66DABFC7
 for <freebsd-usb@freebsd.org>; Tue, 20 Jan 2015 21:43:44 +0000 (UTC)
Received: from laptop015.home.selasky.org
 (cm-176.74.213.204.customer.telag.net [176.74.213.204])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (No client certificate requested)
 by mail.turbocat.net (Postfix) with ESMTPSA id 4A0561FE023;
 Tue, 20 Jan 2015 22:43:42 +0100 (CET)
Message-ID: <54BECC3F.5050402@selasky.org>
Date: Tue, 20 Jan 2015 22:44:31 +0100
From: Hans Petter Selasky <hps@selasky.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD amd64;
 rv:31.0) Gecko/20100101 Thunderbird/31.3.0
MIME-Version: 1.0
To: Uffe Jakobsen <uffe@uffe.org>, freebsd-usb@freebsd.org
Subject: Re: Problem with libusb20_dev_get_port_path()
References: <54BD9460.90607@uffe.org> <54BDDB11.3070800@selasky.org>
 <54BE36AC.9050904@uffe.org> <54BE3FE4.2000206@selasky.org>
 <54BEB110.4070105@uffe.org>
In-Reply-To: <54BEB110.4070105@uffe.org>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-usb@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: FreeBSD support for USB <freebsd-usb.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-usb>,
 <mailto:freebsd-usb-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-usb/>
List-Post: <mailto:freebsd-usb@freebsd.org>
List-Help: <mailto:freebsd-usb-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-usb>,
 <mailto:freebsd-usb-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 20 Jan 2015 21:43:44 -0000

On 01/20/15 20:48, Uffe Jakobsen wrote:
>
>
> Hello,
>
> On 2015-01-20 12:45, Hans Petter Selasky wrote:
>>
>> It appears there is a minor bug in the kernel regarding this field. See
>> below:
>>
>> https://svnweb.freebsd.org/changeset/base/277417
>>
>> Should work now.
>>
>
> Thanks for the quick response and fix
>
> How far back does the problem reach ?
>
> Kind regards Uffe Jakobsen
>

Hi,

I think the IOCTL never worked except returning no path (0) like you 
observed.

--HPS