linux-kernel - Re: [PATCH 12/16] isdn: pcbit: fix interruptible_sleep

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Message-Id: <20140226.160834.847804163386929425.davem@davemloft.net>
Date:	Wed, 26 Feb 2014 16:08:34 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	arnd@...db.de
Cc:	linux-kernel@...r.kernel.org, isdn@...ux-pingi.de,
	netdev@...r.kernel.org
Subject: Re: [PATCH 12/16] isdn: pcbit: fix interruptible_sleep_on race

From: Arnd Bergmann <arnd@...db.de>
Date: Wed, 26 Feb 2014 12:01:52 +0100

> interruptible_sleep_on is racy and going away. In case of pcbit,
> the driver would run into a timeout if the card is initialized
> before we start waiting for it. This uses wait_event to fix the
> race. In order to do this, the state machine handling for the
> timeout case has to get trivially reorganized so we actually know
> whether the timeout has occorred or not.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied.
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