tcm_fc: set and unset FCP_SPPF_TARG_FCN

When registering and unregistering as an target port we should
be setting the FC-4 service params correctly.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

drivers/target/tcm_fc/tfc_sess.c

@@ -91,6 +91,7 @@ static void ft_tport_delete(struct ft_tport *tport)
 
 	ft_sess_delete_all(tport);
 	lport = tport->lport;
+	lport->service_params &= ~FCP_SPPF_TARG_FCN;
 	BUG_ON(tport != lport->prov[FC_TYPE_FCP]);
 	RCU_INIT_POINTER(lport->prov[FC_TYPE_FCP], NULL);
 
@@ -110,6 +111,7 @@ void ft_lport_add(struct fc_lport *lport, void *arg)
 {
 	mutex_lock(&ft_lport_lock);
 	ft_tport_get(lport);
+	lport->service_params |= FCP_SPPF_TARG_FCN;
 	mutex_unlock(&ft_lport_lock);
 }