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-rw-r--r--drivers/gpio/tegra_gpio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpio/tegra_gpio.c b/drivers/gpio/tegra_gpio.c
index 1cc4abb..70663fc 100644
--- a/drivers/gpio/tegra_gpio.c
+++ b/drivers/gpio/tegra_gpio.c
@@ -171,6 +171,9 @@ static int tegra_gpio_request(struct udevice *dev, unsigned offset,
{
struct tegra_port_info *state = dev_get_priv(dev);
+ if (!label)
+ return -EINVAL;
+
if (*state->label[offset])
return -EBUSY;