diff mbox series

[4.4,029/312] MIPS: Octeon: Off by one in octeon_irq_gpio_map()

Message ID 20200508123126.529643159@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH May 8, 2020, 12:30 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

commit 008d0cf1ec69ec6d2c08f2d23aff2b67cbe5d2af upstream.

It should be >= ARRAY_SIZE() instead of > ARRAY_SIZE().

Fixes: 64b139f97c01 ('MIPS: OCTEON: irq: add CIB and other fixes')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-mips@linux-mips.org
Cc: kernel-janitors@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13813/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/mips/cavium-octeon/octeon-irq.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -1220,7 +1220,7 @@  static int octeon_irq_gpio_map(struct ir
 
 	line = (hw + gpiod->base_hwirq) >> 6;
 	bit = (hw + gpiod->base_hwirq) & 63;
-	if (line > ARRAY_SIZE(octeon_irq_ciu_to_irq) ||
+	if (line >= ARRAY_SIZE(octeon_irq_ciu_to_irq) ||
 		octeon_irq_ciu_to_irq[line][bit] != 0)
 		return -EINVAL;