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Date: Fri, 30 Aug 2013 16:31:25 +0800 From: Axel Lin <axel.lin@...ics.com> To: Linus Walleij <linus.walleij@...aro.org> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>, linux-kernel@...r.kernel.org Subject: [PATCH] pinctrl: sunxi: Fix off-by-one for valid offset range checking The valid offset range should be 0 ... chip->ngpio - 1. Signed-off-by: Axel Lin <axel.lin@...ics.com> --- drivers/pinctrl/pinctrl-sunxi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index b20df31..0ffd4c0 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -529,7 +529,7 @@ static int sunxi_pinctrl_gpio_to_irq(struct gpio_chip *chip, unsigned offset) struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev); struct sunxi_desc_function *desc; - if (offset > chip->ngpio) + if (offset >= chip->ngpio) return -ENXIO; desc = sunxi_pinctrl_desc_find_function_by_pin(pctl, offset, "irq"); -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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