linux-kernel - Re: [PATCH] uio: fix devm_request

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Message-ID: <20131220164913.GA29422@kroah.com>
Date:	Fri, 20 Dec 2013 08:49:13 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Aaro Koskinen <aaro.koskinen@....com>
Cc:	"Hans J. Koch" <hjk@...sjkoch.de>, linux-kernel@...r.kernel.org,
	Michal Simek <michal.simek@...inx.com>
Subject: Re: [PATCH] uio: fix devm_request_irq usage

On Fri, Dec 20, 2013 at 04:19:47PM +0200, Aaro Koskinen wrote:
> Commit e6789cd3dfb553077606ccafeb05e0043f072481 (uio: Simplify uio error
> path by using devres functions) converted uio to use devm_request_irq().
> This introduced a change in behaviour since the IRQ is associated with
> the parent device instead of the created UIO device. The IRQ will remain
> active after uio_unregister_device() is called, and some drivers will
> crash because of this. The patch fixes this.

What drivers crash because of this?  Any in-kernel drivers?

thanks,

greg k-h
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