[tip:irq/urgent] irqchip: sunxi-nmi: Fix off-by-one error in irq iterator

From: tip-bot for Axel Lin
Date: Mon Jun 08 2015 - 04:13:28 EST


Commit-ID: febe06962ab191db50e633a0f79d9fb89a2d1078
Gitweb: http://git.kernel.org/tip/febe06962ab191db50e633a0f79d9fb89a2d1078
Author: Axel Lin <axel.lin@xxxxxxxxxx>
AuthorDate: Sun, 7 Jun 2015 21:33:29 +0800
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Mon, 8 Jun 2015 10:08:50 +0200

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

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>
Cc: stable@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1433684009.9134.1.camel@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@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 4a9ce5b..6b2b582 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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