diff options
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index ade1082..e1f3d04 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -258,6 +258,9 @@ int stmmac_mdio_unregister(struct net_device *ndev) { struct stmmac_priv *priv = netdev_priv(ndev); + if (!priv->mii) + return 0; + mdiobus_unregister(priv->mii); priv->mii->priv = NULL; mdiobus_free(priv->mii); |