[PATCH] net: ethernet: Fix memleak in ethoc_probe

[Dinghao Liu]

When mdiobus_register() fails, priv->mdio allocated
by mdiobus_alloc() has not been freed, which leads
to memleak.

Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
---
 drivers/net/ethernet/ethoc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index 0981fe9652e5..3d9b0b161e24 100644
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -1211,7 +1211,7 @@ static int ethoc_probe(struct platform_device *pdev)
        ret = mdiobus_register(priv->mdio);
        if (ret) {
                dev_err(&netdev->dev, "failed to register MDIO bus\n");
-               goto free2;
+               goto free3;
        }
 
        ret = ethoc_mdio_probe(netdev);
@@ -1243,6 +1243,7 @@ static int ethoc_probe(struct platform_device *pdev)
        netif_napi_del(&priv->napi);
 error:
        mdiobus_unregister(priv->mdio);
+free3:
        mdiobus_free(priv->mdio);
 free2:
        clk_disable_unprepare(priv->clk);
-- 
2.17.1