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authorAxel Lin <axel.lin@ingics.com>2013-08-30 16:31:25 +0800
committerLinus Walleij <linus.walleij@linaro.org>2013-08-30 10:37:36 +0200
commitc9e3b2d8f75d84c7b333761471f6cef98ec4429a (patch)
treea50f04f05983c912277a6f999c10522a564ff5a8 /drivers/pinctrl
parent07b7eb927994b8e78267a20244ecc9d49fb15d95 (diff)
downloadop-kernel-dev-c9e3b2d8f75d84c7b333761471f6cef98ec4429a.zip
op-kernel-dev-c9e3b2d8f75d84c7b333761471f6cef98ec4429a.tar.gz
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@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/pinctrl-sunxi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 4432e5e..119d2dd 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -521,7 +521,7 @@ 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");
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