Re: [Xen-devel] [PATCH for-4.5 2/8] xen/arm: setup_dt_irq: don't enable the IRQ if the creation has failed

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-01-24 at 16:43 +0000, Julien Grall wrote:
> For now __setup_dt_irq can only fail if the action is already set. If in the
> future, the function is updated we don't want to enable the IRQ.
> 
> Assuming the function can fail with action = NULL, when Xen will receive the
> IRQ it will segfault because do_IRQ doesn't check if action is NULL.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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