Fix typo: pnet_tap_faied.
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
        err = register_pernet_device(&ipgre_tap_net_ops);
        if (err < 0)
-               goto pnet_tap_faied;
+               goto pnet_tap_failed;
 
        err = register_pernet_device(&erspan_net_ops);
        if (err < 0)
        unregister_pernet_device(&erspan_net_ops);
 pnet_erspan_failed:
        unregister_pernet_device(&ipgre_tap_net_ops);
-pnet_tap_faied:
+pnet_tap_failed:
        unregister_pernet_device(&ipgre_net_ops);
        return err;
 }