1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 38a7e4a6b639..5126461d846e 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -1475,9 +1475,16 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
                 plogi = (struct fsf_plogi *) req->qtcb->bottom.support.els;
                 if (req->qtcb->bottom.support.els1_length >=
                     FSF_PLOGI_MIN_LEN) {
-                        if (plogi->serv_param.wwpn != port->wwpn)
+                        if (plogi->serv_param.wwpn != port->wwpn) {
                                 port->d_id = 0;
-                        else {
+                                dev_warn(&port->adapter->ccw_device->dev,
+                                         "A port opened with WWPN 0x%016Lx "
+                                         "returned data that identifies it as "
+                                         "WWPN 0x%016Lx\n",
+                                         (unsigned long long) port->wwpn,
+                                         (unsigned long long)
+                                          plogi->serv_param.wwpn);
+                        } else {
                                 port->wwnn = plogi->serv_param.wwnn;
                                 zfcp_fc_plogi_evaluate(port, plogi);
                         }