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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-07 12:18:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-07 12:18:52 -0800
commit02550d61f49266930e674286379d3601006b2893 (patch)
tree2d30df688b7f428908028dd20e83b22bc799dee7 /kernel/irq
parent2d51daaa615e4724f24e43fa01e705c40551080a (diff)
parentc89810acbcf48c7004e912b2b4b862480b2d00e1 (diff)
Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6
devicetree/next changes queued for v3.3 merge window * tag 'devicetree-for-linus-20120104' of git://git.secretlab.ca/git/linux-2.6: ARM: prom.h: Fix build error by removing unneeded header file irq: check domain hwirq range for DT translate dt: add empty of_get_node/of_put_node functions of/pdt: fix section mismatch warning i2c-designware: add OF binding support dt/i2c: Enumerate some of the known trivial i2c devices dt: reform for_each_property to for_each_property_of_node ARM/of: allow *machine_desc.dt_compat to be const of/base: Take NULL string into account for property with multiple strings OF/device-tree: Add some entries to vendor-prefixes.txt Fix up trivial add-add conflicts in include/linux/of.h
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/irqdomain.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 7ca523b249e..1f9e26526b6 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 (d->nr_irq && ((intspec[0] < d->hwirq_base) ||
+ (intspec[0] >= d->hwirq_base + d->nr_irq)))
+ return -EINVAL;
*out_hwirq = intspec[0];
*out_type = IRQ_TYPE_NONE;