1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 908e8d486342..7f8e7662e28c 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -149,9 +149,14 @@ int mdio_mux_init(struct device *dev,
                 }
                 cb->bus_number = v;
                 cb->parent = pb;
+
                 cb->mii_bus = mdiobus_alloc();
+                if (!cb->mii_bus) {
+                        ret_val = -ENOMEM;
+                        of_node_put(child_bus_node);
+                        break;
+                }
                 cb->mii_bus->priv = cb;
-
                 cb->mii_bus->irq = cb->phy_irq;
                 cb->mii_bus->name = "mdio_mux";
                 snprintf(cb->mii_bus->id, MII_BUS_ID_SIZE, "%x.%x",