From: Henk Stegeman <henk.stege...@gmail.com>
Fix fec_mpc52xx driver to use net_device_ops and to be careful not to
dereference phy_device if a phy has not yet been connected.
Waiting for a signed-off-by line from Henk on this one
CC: Henk Stegeman <henk.stege...@gmail.com>
---
drivers/net/fec_mpc52xx.c | 47 ++++++++++++++++++++++++++++++++++-----------
1 files changed, 36 insertions(+), 11 deletions(-)
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c
index 049b0a7..3d55f9a 100644
--- a/drivers/net/fec_mpc52xx.c
+++ b/drivers/net/fec_mpc52xx.c
@@ -847,24 +847,40 @@ static void mpc52xx_fec_get_drvinfo(struct net_device
*dev,
static int mpc52xx_fec_get_settings(struct net_device *dev, struct ethtool_cmd
*cmd)
{
struct mpc52xx_fec_priv *priv = netdev_priv(dev);
+
+ if (!priv->phydev)
+ return -ENODEV;
+
return phy_ethtool_gset(priv->phydev, cmd);
}
static int mpc52xx_fec_set_settings(struct net_device *dev, struct ethtool_cmd
*cmd)
{
struct mpc52xx_fec_priv *priv = netdev_priv(dev);
+
+ if (!priv->phydev)
+ return -ENODEV;
+
return phy_ethtool_sset(priv->phydev, cmd);
}
static u32 mpc52xx_fec_get_msglevel(struct net_device *dev)
{
struct mpc52xx_fec_priv *priv = netdev_priv(dev);
+
+ if (!priv->phydev)
+ return 0;
+
return priv->msg_enable;
}
static void mpc52xx_fec_set_msglevel(struct net_device *dev, u32 level)
{
struct mpc52xx_fec_priv *priv = netdev_priv(dev);
+
+ if (!priv->phydev)
+ return;
+
priv->msg_enable = level;
}
@@ -882,12 +898,31 @@ static int mpc52xx_fec_ioctl(struct net_device *dev,
struct ifreq *rq, int cmd)
{
struct mpc52xx_fec_priv *priv = netdev_priv(dev);
+ if (!priv->phydev)
+ return -ENODEV;
+
return mpc52xx_fec_phy_mii_ioctl(priv, if_mii(rq), cmd);
}
/* ======================================================================== */
/* OF Driver */
/* ======================================================================== */
+static const struct net_device_ops mpc52xx_fec_netdev_ops = {
+ .ndo_open = mpc52xx_fec_open,
+ .ndo_stop = mpc52xx_fec_close,
+ .ndo_start_xmit = mpc52xx_fec_hard_start_xmit,
+ .ndo_tx_timeout = mpc52xx_fec_tx_timeout,
+ .ndo_get_stats = mpc52xx_fec_get_stats,
+ .ndo_set_multicast_list = mpc52xx_fec_set_multicast_list,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = mpc52xx_fec_set_mac_address,
+ .ndo_do_ioctl = mpc52xx_fec_ioctl,
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = mpc52xx_fec_poll_controller,
+#endif
+};
+
static int __devinit
mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match)
@@ -929,20 +964,10 @@ mpc52xx_fec_probe(struct of_device *op, const struct
of_device_id *match)
return -EBUSY;
/* Init ether ndev with what we have */
- ndev->open = mpc52xx_fec_open;
- ndev->stop = mpc52xx_fec_close;
- ndev->hard_start_xmit = mpc52xx_fec_hard_start_xmit;
- ndev->do_ioctl = mpc52xx_fec_ioctl;
ndev->ethtool_ops = &mpc52xx_fec_ethtool_ops;
- ndev->get_stats = mpc52xx_fec_get_stats;
- ndev->set_mac_address = mpc52xx_fec_set_mac_address;
- ndev->set_multicast_list = mpc52xx_fec_set_multicast_list;
- ndev->tx_timeout = mpc52xx_fec_tx_timeout;
ndev->watchdog_timeo = FEC_WATCHDOG_TIMEOUT;
ndev->base_addr = mem.start;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- ndev->poll_controller = mpc52xx_fec_poll_controller;
-#endif
+ ndev->netdev_ops = &mpc52xx_fec_netdev_ops;
priv->t_irq = priv->r_irq = ndev->irq = NO_IRQ; /* IRQ are free for now
*/
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