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

[Luis Henriques]

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

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

From: Axel Lin <axel.lin at ingics.com>

commit febe06962ab191db50e633a0f79d9fb89a2d1078 upstream.

Fixes: 6058bb362818 'ARM: sun7i/sun6i: irqchip: Add irqchip driver for NMI controller'
Signed-off-by: Axel Lin <axel.lin at ingics.com>
Cc: Maxime Ripard <maxime.ripard at free-electrons.com>
Cc: Carlo Caione <carlo at caione.org>
Cc: Jason Cooper <jason at lakedaemon.net>
Link: http://lkml.kernel.org/r/1433684009.9134.1.camel@ingics.com
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 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;