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>
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 @@
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");