diff options
| -rw-r--r-- | drivers/gpio/gpiolib.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index f15a222205c6..8ec51b7777c6 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3262,6 +3262,12 @@ int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset) if (!chip->can_sleep && chip->get_direction) { int dir = chip->get_direction(chip, offset); + if (dir < 0) { + chip_err(chip, "%s: cannot get GPIO direction\n", + __func__); + return dir; + } + if (dir) clear_bit(FLAG_IS_OUT, &desc->flags); else |