diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c
index 3708fa75feb1..68bba0fcafab 100644
--- a/drivers/platform/chrome/cros_ec_lpc.c
+++ b/drivers/platform/chrome/cros_ec_lpc.c
@@ -350,7 +350,7 @@ static int cros_ec_lpc_probe(struct platform_device *pdev)
 	struct acpi_device *adev;
 	acpi_status status;
 	struct cros_ec_device *ec_dev;
-	u8 buf[2];
+	u8 buf[2] = {};
 	int irq, ret;
 
 	/*