linux-kernel - Re: [PATCH] POWER: gpio-charger: Fix potential race between irq handler and probe/remove function

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Message-ID: <20101222000501.GB24834@oksana.dev.rtsoft.ru>
Date:	Wed, 22 Dec 2010 03:05:01 +0300
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] POWER: gpio-charger: Fix potential race between irq
 handler and probe/remove function

On Thu, Nov 18, 2010 at 11:08:38PM +0100, Lars-Peter Clausen wrote:
> This patch fixes a potential race between the irq handler and the probe and
> remove functions.
> The irq should not be requested before the chargers power_supply has been
> registered and has to be freed before the power_supply is unregistered,
> otherwise it is possible that the irq fires while the power_supply is not
> initialized yet or has already been freed.
> 
> While we are at it replace request_irq with request_any_context_irq.
> 
> Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>

Applied to battery-2.6.git, thanks!

-- 
Anton Vorontsov
Email: cbouatmailru@...il.com
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