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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 4432e5e062c5..119d2ddedfe7 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");