Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 3933961682a3 ("fsl/fman: Add FMan MAC driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
                priv->fixed_link = kzalloc(sizeof(*priv->fixed_link),
                                           GFP_KERNEL);
-               if (!priv->fixed_link)
+               if (!priv->fixed_link) {
+                       err = -ENOMEM;
                        goto _return_dev_set_drvdata;
+               }
 
                priv->phy_node = of_node_get(mac_node);
                phy = of_phy_find_device(priv->phy_node);
-               if (!phy)
+               if (!phy) {
+                       err = -EINVAL;
                        goto _return_dev_set_drvdata;
+               }
 
                priv->fixed_link->link = phy->link;
                priv->fixed_link->speed = phy->speed;