1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 01dfae4fece0..6576243222af 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1827,6 +1827,9 @@ static int sh_eth_get_settings(struct net_device *ndev,
         unsigned long flags;
         int ret;
 
+        if (!mdp->phydev)
+                return -ENODEV;
+
         spin_lock_irqsave(&mdp->lock, flags);
         ret = phy_ethtool_gset(mdp->phydev, ecmd);
         spin_unlock_irqrestore(&mdp->lock, flags);
@@ -1841,6 +1844,9 @@ static int sh_eth_set_settings(struct net_device *ndev,
         unsigned long flags;
         int ret;
 
+        if (!mdp->phydev)
+                return -ENODEV;
+
         spin_lock_irqsave(&mdp->lock, flags);
 
         /* disable tx and rx */
@@ -1875,6 +1881,9 @@ static int sh_eth_nway_reset(struct net_device *ndev)
         unsigned long flags;
         int ret;
 
+        if (!mdp->phydev)
+                return -ENODEV;
+
         spin_lock_irqsave(&mdp->lock, flags);
         ret = phy_start_aneg(mdp->phydev);
         spin_unlock_irqrestore(&mdp->lock, flags);
@@ -2184,6 +2193,7 @@ static int sh_eth_close(struct net_device *ndev)
         if (mdp->phydev) {
                 phy_stop(mdp->phydev);
                 phy_disconnect(mdp->phydev);
+                mdp->phydev = NULL;
         }
 
         free_irq(ndev->irq, ndev);