linux-kernel - Re: [PATCH] usb-serial regression fix

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Message-ID: <45F6A99A.8060008@rtr.ca>
Date:	Tue, 13 Mar 2007 09:39:38 -0400
From:	Mark Lord <lkml@....ca>
To:	Oliver Neukum <oneukum@...e.de>
Cc:	Jim Radford <radford@...ckbean.org>, Greg KH <greg@...ah.com>,
	linux-usb-devel@...ts.sourceforge.net,
	Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb-serial regression fix

Oliver Neukum wrote:
>
> If we get to destroy_serial(), how can ports still be open?

(1) open up a ckermit session on /dev/usb_serial_port_0.
(2) suspend the machine (to RAM).
(3) the suspend logic "removes" all USB devices.

Cheers
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