linux-kernel - Re: [PATCH] mmc: cb710: drop free_irq for devm_request

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Message-ID: <20130930135929.GA24928@rere.qmqm.pl>
Date:	Mon, 30 Sep 2013 15:59:29 +0200
From:	Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:	Wei Yongjun <weiyj.lk@...il.com>
Cc:	gregkh@...uxfoundation.org, yongjun_wei@...ndmicro.com.cn,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mmc: cb710: drop free_irq for devm_request_irq
 allocated irq

On Tue, Sep 24, 2013 at 10:40:57AM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
> 
> irq allocated with devm_request_irq should not be freed using
> free_irq, because doing so causes a dangling pointer, and a
> subsequent double free.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Acked-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
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