diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index ac485ee83ed07..394fada7ddf13 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -144,13 +144,15 @@ core_write_mmd_indirect(struct mt7530_priv *priv, int prtad,
 static void
 mt7530_mutex_lock(struct mt7530_priv *priv)
 {
-	mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED);
+	if (priv->bus)
+		mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED);
 }
 
 static void
 mt7530_mutex_unlock(struct mt7530_priv *priv)
 {
-	mutex_unlock(&priv->bus->mdio_lock);
+	if (priv->bus)
+		mutex_unlock(&priv->bus->mdio_lock);
 }
 
 static void