diff --git a/drivers/staging/greybus/power_supply.c b/drivers/staging/greybus/power_supply.c
index 1f3884bccf97..1ce57f6333da 100644
--- a/drivers/staging/greybus/power_supply.c
+++ b/drivers/staging/greybus/power_supply.c
@@ -569,6 +569,9 @@ static void _gb_power_supplies_release(struct gb_power_supplies *supplies)
 {
 	int i;
 
+	if (!supplies->supply)
+		return;
+
 	mutex_lock(&supplies->supplies_lock);
 	for (i = 0; i < supplies->supplies_count; i++)
 		_gb_power_supply_release(&supplies->supply[i]);