diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index 728db3ebad6e..1dc19a37e9cc 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -811,7 +811,7 @@ static int sdw_handle_port_interrupt(struct sdw_slave *slave,
 static int sdw_handle_slave_alerts(struct sdw_slave *slave)
 {
 	struct sdw_slave_intr_status slave_intr;
-	u8 clear = 0, bit, port_status[15];
+	u8 clear = 0, bit, port_status[15] = {0};
 	int port_num, stat, ret, count = 0;
 	unsigned long port;
 	bool slave_notify = false;