linux-kernel - Re: [PATCH v2 6/8] usb: gadget: f_acm: add an ioctl to get the current line coding

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: <CAFDyS3MQ-W_qBmjm2shC=pNNf+7cJ_f5bPUXnqzc7D=e_AoyGw@mail.gmail.com>
Date:   Tue, 13 Jun 2017 12:24:53 +0300
From:   Tal Shorer <tal.shorer@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     linux-doc@...r.kernel.org,
        "<linux-kernel@...r.kernel.org>" <linux-kernel@...r.kernel.org>,
        USB list <linux-usb@...r.kernel.org>, balbi@...nel.org,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v2 6/8] usb: gadget: f_acm: add an ioctl to get the
 current line coding

On Tue, Jun 13, 2017 at 12:19 PM, Greg KH <gregkh@...uxfoundation.org> wrote:
> On Tue, Jun 13, 2017 at 09:52:12AM +0300, Tal Shorer wrote:
>> The user can issue USB_F_GET_LINE_CODING to get the current line coding
>> as set by the host (or the default if unset yet).
>>
>> Signed-off-by: Tal Shorer <tal.shorer@...il.com>
>> ---
>>  Documentation/ioctl/ioctl-number.txt |  1 +
>>  drivers/usb/gadget/function/f_acm.c  | 19 +++++++++++++++++++
>>  include/uapi/linux/usb/f_acm.h       | 12 ++++++++++++
>
> Where is this ioctl being called?  On the tty device?  If so, which one?
> The gadget driver's tty device node?  Or somewhere else?
On an acm ttyGS* fd, yes.
>
> confused at the different levels here, sorry.
>
> greg k-h