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Date: Mon, 26 Jan 2009 13:40:47 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: alan@lxorguk.ukuu.org.uk, mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [tty bug] kernel BUG at drivers/char/tty_ldisc.c:359!
Message-Id: <20090126134047.11ad6134.akpm@linux-foundation.org>
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References: <20090113121039.GA22155@elte.hu>
	<20090113122338.13a155a0@lxorguk.ukuu.org.uk>
	<200901191727.48812.rjw@sisk.pl>
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On Mon, 19 Jan 2009 17:27:48 +0100
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

> On Tuesday 13 January 2009, Alan Cox wrote:
> > On Tue, 13 Jan 2009 13:10:39 +0100
> > Ingo Molnar <mingo@elte.hu> wrote:
> > 
> > > 
> > > FYI, -tip testing found a new warning in drivers/char/tty_ldisc.c:
> > 
> > Thanks - yes there is a real bug that is exposed by the BKL drop if you
> > manage to hit the flush ioctl as the ldisc changes 
> > 
> > Change the 
> > 	ld = tty_ldisc_ref(tty)
> > 
> > to
> > 	ld = tty_ldisc_ref_wait(tty);
> 
> Did this change go to Linus by chance?
> 

I cannot locate any such fix.