linux-kernel - Re: [PATCH 06/11] gpio: em: do not discard em_gio_irq_domain

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Message-ID: <CACRpkdZnaH3RXHqif7wiA5bor4vOcBndnabG-7QNLnmUc3Oj3Q@mail.gmail.com>
Date:	Fri, 10 Aug 2012 12:59:32 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, arm@...nel.org,
	linux-kernel@...r.kernel.org, Magnus Damm <damm@...nsource.se>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH 06/11] gpio: em: do not discard em_gio_irq_domain_cleanup

On Wed, Aug 8, 2012 at 4:47 PM, Arnd Bergmann <arnd@...db.de> wrote:

> The newly added gpio-em driver marks its em_gio_irq_domain_cleanup
> function as __devexit, which would lead to that function being
> discarded in case CONFIG_HOTPLUG is disabled. However, the function
> is also called by the error handling logic em_gio_probe, which
> would cause a jump into a NULL pointer if it was removed from the
> kernel or module.

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Will you push this through the ARM SoC tree or do you want me
to apply it to my GPIO tree?

Yours,
Linus Walleij
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