"gc->ngpio" is a number between 1 and GRGPIO_MAX_NGPIO. If "offset" is GRGPIO_MAX_NGPIO then we're going one step beyond the end of the priv->lirqs[] array.
Signed-off-by: Dan Carpenter <[email protected]> diff --git a/drivers/gpio/gpio-grgpio.c b/drivers/gpio/gpio-grgpio.c index 09daaf2..d5bc70f 100644 --- a/drivers/gpio/gpio-grgpio.c +++ b/drivers/gpio/gpio-grgpio.c @@ -121,7 +121,7 @@ static int grgpio_to_irq(struct gpio_chip *gc, unsigned offset) { struct grgpio_priv *priv = grgpio_gc_to_priv(gc); - if (offset > gc->ngpio) + if (offset >= gc->ngpio) return -ENXIO; if (priv->lirqs[offset].index < 0) -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
