diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index 4efda311a4..4cce11fe21 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -250,8 +250,12 @@ int gpio_free(unsigned gpio) static int check_reserved(struct gpio_desc *desc, const char *func) { - struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(desc->dev); + struct gpio_dev_priv *uc_priv; + + if (!dm_gpio_is_valid(desc)) + return -ENOENT; + uc_priv = dev_get_uclass_priv(desc->dev); if (!uc_priv->name[desc->offset]) { printf("%s: %s: error: gpio %s%d not reserved\n", desc->dev->name, func, |