diff options
| -rw-r--r-- | drivers/gpio/gpiolib.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 49bdae208744..d0108cf2ee0b 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3195,9 +3195,7 @@ static int gpiochip_get(struct gpio_chip *gc, unsigned int offset) lockdep_assert_held(&gc->gpiodev->srcu); - if (!gc->get) - return -EIO; - + /* Make sure this is called after checking for gc->get(). */ ret = gc->get(gc, offset); if (ret > 1) ret = -EBADE; @@ -3207,7 +3205,7 @@ static int gpiochip_get(struct gpio_chip *gc, unsigned int offset) static int gpio_chip_get_value(struct gpio_chip *gc, const struct gpio_desc *desc) { - return gpiochip_get(gc, gpio_chip_hwgpio(desc)); + return gc->get ? gpiochip_get(gc, gpio_chip_hwgpio(desc)) : -EIO; } /* I/O calls are only valid after configuration completed; the relevant |