fs_enet: Fix a memory leak in fs_enet_mdio_probe

There are more memory leaks in the !PPC_CPM_NEW_BINDING case, but that code
will disappear soon along with arch/ppc.

Reported by Daniel Marjamki <[e-mail]> at
http://bugzilla.kernel.org/show_bug.cgi?id=10591

Signed-off-by: Scott Wood <[e-mail]>
Signed-off-by: Jeff Garzik <[e-mail]>

drivers/net/fs_enet/mii-fec.c

···
 
 	ret = of_address_to_resource(ofdev->node, 0, &res);
 	if (ret)
-		return ret;
+		goto out_res;
 
 	snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", res.start);
 
···
 	kfree(new_bus->irq);
 out_unmap_regs:
 	iounmap(fec->fecp);
+out_res:
 out_fec:
 	kfree(fec);
 out_mii: