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 @@
 {
 	struct tegra_port_info *state = dev_get_priv(dev);
 
+	if (!label)
+		return -EINVAL;
+
 	if (*state->label[offset])
 		return -EBUSY;