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    SubjectRe: [PATCH 2/9] irq: check domain hwirq range for DT translate
    On Wed, Dec 14, 2011 at 8:28 AM, Rob Herring <robherring2@gmail.com> wrote:
    > From: Rob Herring <rob.herring@calxeda.com>
    >
    > A DT node may have more than 1 domain associated with it, so make sure
    > the hwirq number is within range when doing DT translation.
    >
    > Signed-off-by: Rob Herring <rob.herring@calxeda.com>
    > Cc: Thomas Gleixner <tglx@linutronix.de>

    Acked-by: Grant Likely <grant.likely@secretlab.ca>

    > ---
    >  kernel/irq/irqdomain.c |    3 +++
    >  1 files changed, 3 insertions(+), 0 deletions(-)
    >
    > diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
    > index 200ce83..ae6441e 100644
    > --- a/kernel/irq/irqdomain.c
    > +++ b/kernel/irq/irqdomain.c
    > @@ -135,6 +135,9 @@ int irq_domain_simple_dt_translate(struct irq_domain *d,
    >                return -EINVAL;
    >        if (intsize < 1)
    >                return -EINVAL;
    > +       if ((intspec[0] < d->hwirq_base) ||
    > +           (intspec[0] >= d->hwirq_base + d->nr_irq))
    > +               return -EINVAL;
    >
    >        *out_hwirq = intspec[0];
    >        *out_type = IRQ_TYPE_NONE;
    > --
    > 1.7.5.4
    >



    --
    Grant Likely, B.Sc., P.Eng.
    Secret Lab Technologies Ltd.
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