[PATCH 2/9] irq: check domain hwirq range for DT translate
From: Grant Likely <hidden>
Date: 2011-12-14 16:08:43
Also in:
linux-devicetree, lkml
On Wed, Dec 14, 2011 at 8:28 AM, Rob Herring [off-list ref] wrote:
From: Rob Herring <redacted> 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 <redacted> Cc: Thomas Gleixner <redacted>
Acked-by: Grant Likely <redacted>
quoted hunk ↗ jump to hunk
--- ?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.