[SCSI] lpfc 8.1.12 : Fixed recovery of rport after race with dev_loss_tmo

Fixed recovery of rport after race with dev_loss_tmo

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index fda8f07f1d0b..5f8698bcecb9 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -109,6 +109,9 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
                 return;
         }
 
+        if (ndlp->nlp_state == NLP_STE_MAPPED_NODE)
+                return;
+
         name = (uint8_t *)&ndlp->nlp_portname;
         phba = ndlp->nlp_phba;
 
@@ -149,7 +152,8 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
 
         if (!(phba->fc_flag & FC_UNLOADING) &&
             !(ndlp->nlp_flag & NLP_DELAY_TMO) &&
-            !(ndlp->nlp_flag & NLP_NPR_2B_DISC))
+            !(ndlp->nlp_flag & NLP_NPR_2B_DISC) &&
+            (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE))
                 lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
         else {
                 rdata->pnode = NULL;
@@ -1326,8 +1330,6 @@ lpfc_nlp_state_cleanup(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
                          * already. If we have, and it's a scsi entity, be
                          * sure to unblock any attached scsi devices
                          */
-                if (!ndlp->rport ||
-                    ndlp->rport->port_state == FC_PORTSTATE_BLOCKED)
                         lpfc_register_remote_port(phba, ndlp);
         }