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From: adharmap on 29 Jan 2010 02:10
From: Abhijeet Dharmapurikar <adharmap(a)quicinc.com>

Prevent gic code from initializing interrupts beyon NR_IRQS.

Signed-off-by: Abhijeet Dharmapurikar <adharmap(a)quicinc.com>
---
arch/arm/common/gic.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index cd92ce0..8a2bfae 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -237,7 +237,8 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
/*
* Setup the Linux IRQ subsystem.
*/
- for (i = irq_start; i < gic_data[gic_nr].irq_offset + max_irq; i++) {
+ for (i = irq_start;
+ i < NR_IRQS && i < gic_data[gic_nr].irq_offset + max_irq; i++) {
set_irq_chip(i, &gic_chip);
set_irq_chip_data(i, &gic_data[gic_nr]);
set_irq_handler(i, handle_level_irq);
--
1.5.6.3

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Prev: [RFC 0/2 PATCH] remove member rt_se from struct rt_rq
Next: [PATCH v2 3/4] GIC: Add callback for mask_ack