linux-kernel - Re: [PATCH] tty: Prevent hw state corruption in exclusive mode reopen

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Message-ID: <54A2C17F.9030409@hurleysoftware.com>
Date:	Tue, 30 Dec 2014 10:15:11 -0500
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	Shreyas Bethur <shreyas.bethur@...com>
Subject: Re: [PATCH] tty: Prevent hw state corruption in exclusive mode reopen

On 12/30/2014 07:34 AM, Peter Hurley wrote:
> Exclusive mode ttys (TTY_EXCLUSIVE) do not allow further reopens;
> fail the condition before associating the file pointer and calling
> the driver open() method.
> 
> Prevents DTR programming when the tty is already in exclusive mode.

Greg,

Please disregard. I'll redo a v2 that isn't broken.

Regards,
Peter Hurley

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