funeth: remove pointless check of devlink pointer in create/destroy_netdev() flows

Once devlink port is successfully registered, the devlink pointer is not
NULL. Therefore, the check is going to be always true and therefore
pointless. Remove it.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Dimitris Michailidis <dmichail@fungible.com>
Link: https://lore.kernel.org/r/20220826110411.1409446-1-jiri@resnulli.usSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/fungible/funeth/funeth_main.c

@@ -1802,7 +1802,6 @@ static int fun_create_netdev(struct fun_ethdev *ed, unsigned int portid)
 	if (rc)
 		goto unreg_devlink;
 
-	if (fp->dl_port.devlink)
 	devlink_port_type_eth_set(&fp->dl_port, netdev);
 
 	return 0;
@@ -1810,7 +1809,6 @@ static int fun_create_netdev(struct fun_ethdev *ed, unsigned int portid)
 unreg_devlink:
 	ed->netdevs[portid] = NULL;
 	fun_ktls_cleanup(fp);
-	if (fp->dl_port.devlink)
 	devlink_port_unregister(&fp->dl_port);
 free_stats:
 	fun_free_stats_area(fp);
@@ -1830,10 +1828,8 @@ static void fun_destroy_netdev(struct net_device *netdev)
 	struct funeth_priv *fp;
 
 	fp = netdev_priv(netdev);
-	if (fp->dl_port.devlink) {
 	devlink_port_type_clear(&fp->dl_port);
 	devlink_port_unregister(&fp->dl_port);
-	}
 	unregister_netdev(netdev);
 	fun_ktls_cleanup(fp);
 	fun_free_stats_area(fp);