Re: [PATCH] uio: fix devm_request_irq usage

From: Greg Kroah-Hartman
Date: Fri Dec 20 2013 - 11:49:09 EST


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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