linux-kernel - Re: [PATCH 2/2] usb: hub: Mark devices downstream a removable hub, as removable

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] [day] [month] [year] [list]

Date:   Wed, 6 Oct 2021 20:36:02 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     Alan Stern <stern@...land.harvard.edu>,
        Oliver Neukum <oneukum@...e.com>
CC:     Dmitry Torokhov <dtor@...gle.com>, Rajat Jain <rajatja@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Andrew Lunn <andrew@...n.ch>,
        Chris Chiu <chris.chiu@...onical.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        levinale@...gle.com, bleung@...gle.com, rajatxjain@...il.com,
        jsbarnes@...gle.com, pmalani@...gle.com
Subject: Re: [PATCH 2/2] usb: hub: Mark devices downstream a removable hub, as
 removable


On 06.10.21 18:10, Alan Stern wrote:
> On Wed, Oct 06, 2021 at 11:37:58AM +0200, Oliver Neukum wrote:
>>
>> In theory yes. If your HC is removable by that logic every device is.
>> That renders the information content of 'removable' to zero. Everything
>> is removable.
> So we should add a new attribute.  Call it "unpluggable", perhaps.  It 
> will say whether the device's immediate upstream link is 
> hot-unpluggable.  Then the device is removable if its parent is 
> removable or if it is unpluggable.

Hi,

yes that would solve the issue. We are basically trying two press two
attributes
into one and that does not work.

    Regards
'        Oliver