linux-kernel - Re: [PATCH 4/7] hvc_console: Fix race between hvc_close and hvc

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Date:	Tue, 6 Apr 2010 13:32:17 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Anton Blanchard <anton@...ba.org>
Cc:	Amit Shah <amit.shah@...hat.com>, Sachin Sant <sachinp@...ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Greg Kroah-Hartman <gregkh@...e.de>, a.p.zijlstra@...llo.nl,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	tglx@...utronix.de, Linus Torvalds <torvalds@...ux-foundation.org>,
	mingo@...e.hu
Subject: Re: [PATCH 4/7] hvc_console: Fix race between hvc_close and
 hvc_remove

> I don't claim to understand the tty layer, but it seems like hvc_open and
> hvc_close should be balanced in their kref reference counting.

They should yes.

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