On 28/02/18 10:19, Roger Pau Monne wrote:
> Current cleanup in the error path of xen_bind_pirq_msi_to_irq is
> wrong. First of all there's an off-by-one in the cleanup loop, which
> can lead to unbinding wrong IRQs.
>
> Secondly IRQs not bound won't be freed, thus leaking IRQ numbers.
>
> Note that there's no need to differentiate between bound and unbound
> IRQs when freeing them, __unbind_from_irq will deal with both of them
> correctly.
>
> Fixes: 4892c9b4ada9f9 ("xen: add support for MSI message groups")
> Reported-by: Hooman Mirhadi <mirha...@amazon.com>
> Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Committed to xen/tip for-linus-4.16a
Juergen
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