"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 <dan.carpenter@xxxxxxxxxx>
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)
--
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