irqchip: sunxi-nmi: Fix off-by-one error in irq iterator

commit febe06962ab191db50e633a0f79d9fb89a2d1078 upstream.

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

diff --git a/drivers/irqchip/irq-sunxi-nmi.c b/drivers/irqchip/irq-sunxi-nmi.c
index 12f547a44ae43e50cc7f8aa849cca5a3ff5b748e..eb9b59e8f1222d914cfc852d644c6628f595575f 100644 (file)
--- 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;