The valid bank should be 0 ... ARRAY_SIZE(lpc32xx_gpiochip) - 1.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/gpio/gpio-lpc32xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 36d7dee..dda6a75 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -533,7 +533,7 @@ static int lpc32xx_of_xlate(struct gpio_chip *gc,
{
/* Is this the correct bank? */
u32 bank = gpiospec->args[0];
- if ((bank > ARRAY_SIZE(lpc32xx_gpiochip) ||
+ if ((bank >= ARRAY_SIZE(lpc32xx_gpiochip) ||
(gc != &lpc32xx_gpiochip[bank].chip)))
return -EINVAL;
--
1.7.10.4
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