linux-kernel - Re: [PATCH 1/2] gpio: pcf857x: Avoid calling irq_domain

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Message-ID: <CACRpkdbXqvMN4RF2XbN23jeQjWDC-hj=uUdLUfd1fDu-9DgNFw@mail.gmail.com>
Date:	Wed, 28 May 2014 09:20:22 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	George Cherian <george.cherian@...com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Subject: Re: [PATCH 1/2] gpio: pcf857x: Avoid calling irq_domain_cleanup twice

On Fri, May 23, 2014 at 7:57 AM, George Cherian <george.cherian@...com> wrote:

> Currently irq_domain_cleanup is called twice if irq_domain_init fails.
> This causes the following crash.

Patch applied with Alex' ACK.

NB: this driver should be switched to the gpiolib irqchip helpers to
avoid fixing spurious bugs like this.

Yours,
Linus Walleij
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