summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/renesas/sh_eth.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/renesas/sh_eth.c')
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c10
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 7a6471d87300..56884c4cd90b 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2215,6 +2215,7 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp)
/* MDIO bus release function */
static int sh_mdio_release(struct net_device *ndev)
{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
struct mii_bus *bus = dev_get_drvdata(&ndev->dev);
/* unregister mdio bus */
@@ -2229,6 +2230,9 @@ static int sh_mdio_release(struct net_device *ndev)
/* free bitbang info */
free_mdio_bitbang(bus);
+ /* free bitbang memory */
+ kfree(mdp->bitbang);
+
return 0;
}
@@ -2257,6 +2261,7 @@ static int sh_mdio_init(struct net_device *ndev, int id,
bitbang->ctrl.ops = &bb_ops;
/* MII controller setting */
+ mdp->bitbang = bitbang;
mdp->mii_bus = alloc_mdio_bitbang(&bitbang->ctrl);
if (!mdp->mii_bus) {
ret = -ENOMEM;
@@ -2436,6 +2441,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
}
mdp->tsu_addr = ioremap(rtsu->start,
resource_size(rtsu));
+ if (mdp->tsu_addr == NULL) {
+ ret = -ENOMEM;
+ dev_err(&pdev->dev, "TSU ioremap failed.\n");
+ goto out_release;
+ }
mdp->port = devno % 2;
ndev->features = NETIF_F_HW_VLAN_FILTER;
}