scsi: qla2xxx: Fix update_fcport for current_topology

logout_on_delete flag should not be set if the topology is Loop. This patch
fixes unintentional logout during loop topology.

Link: https://lore.kernel.org/r/20191217220617.28084-6-hmadhani@marvell.com
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_init.c

@@ -5384,7 +5384,10 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
 	fcport->login_retry = vha->hw->login_retry_count;
 	fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
 	fcport->deleted = 0;
-	fcport->logout_on_delete = 1;
+	if (vha->hw->current_topology == ISP_CFG_NL)
+		fcport->logout_on_delete = 0;
+	else
+		fcport->logout_on_delete = 1;
 	fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
 
 	switch (vha->hw->current_topology) {