[SCSI] libfc: During fabric logoff, flush the rport Q after logging off dns port

We want to generate the rport queue event (from the logoff)
before flushing the queue otherwise the event may still be
in the queue when we logoff.
Signed-off-by: NAbhijeet Joglekar <abjoglek@cisco.com>
Signed-off-by: NRobert Love <robert.w.love@intel.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/libfc/fc_lport.c

@@ -618,6 +618,11 @@ int fc_fabric_logoff(struct fc_lport *lport)
 {
 	lport->tt.disc_stop_final(lport);
 	mutex_lock(&lport->lp_mutex);
+	if (lport->dns_rp)
+		lport->tt.rport_logoff(lport->dns_rp);
+	mutex_unlock(&lport->lp_mutex);
+	lport->tt.rport_flush_queue();
+	mutex_lock(&lport->lp_mutex);
 	fc_lport_enter_logo(lport);
 	mutex_unlock(&lport->lp_mutex);
 	cancel_delayed_work_sync(&lport->retry_work);
@@ -1408,10 +1413,6 @@ static void fc_lport_enter_logo(struct fc_lport *lport)
 
 	fc_lport_state_enter(lport, LPORT_ST_LOGO);
 
-	/* DNS session should be closed so we can release it here */
-	if (lport->dns_rp)
-		lport->tt.rport_logoff(lport->dns_rp);
-
 	fp = fc_frame_alloc(lport, sizeof(*logo));
 	if (!fp) {
 		fc_lport_error(lport, fp);