[PATCH 3.16.y-ckt 54/71] irqchip: sunxi-nmi: Fix off-by-one error in irq iterator

From: Luis Henriques
Date: Thu Jun 25 2015 - 06:05:17 EST


3.16.7-ckt14 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@xxxxxxxxxx>

commit febe06962ab191db50e633a0f79d9fb89a2d1078 upstream.

Fixes: 6058bb362818 'ARM: sun7i/sun6i: irqchip: Add irqchip driver for NMI controller'
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Cc: Carlo Caione <carlo@xxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1433684009.9134.1.camel@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
drivers/irqchip/irq-sunxi-nmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c
index 12f547a44ae4..eb9b59e8f122 100644
--- a/drivers/irqchip/irq-sunxi-nmi.c
+++ b/drivers/irqchip/irq-sunxi-nmi.c
@@ -104,7 +104,7 @@ static int sunxi_sc_nmi_set_type(struct irq_data *data, unsigned int flow_type)
irqd_set_trigger_type(data, flow_type);
irq_setup_alt_chip(data, flow_type);

- for (i = 0; i <= gc->num_ct; i++, ct++)
+ for (i = 0; i < gc->num_ct; i++, ct++)
if (ct->type & flow_type)
ctrl_off = ct->regs.type;

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