[SCSI] lpfc 8.1.7: Fixed infinite retry of REG_LOGIN mailbox failed due to MBXERR_RPI...

Fixed infinite retry of REG_LOGIN mailbox failed due to MBXERR_RPI_FULL

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

diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 27d60ad897cdc81de79fde9dd2fab98a568a3211..bd0b0e293d637be80e7888edaa9dd0212a4c9cad 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1110,6 +1110,17 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_hba * phba,
                                phba->brd_no,
                                did, mb->mbxStatus, phba->hba_state);
 
+               /*
+                * If RegLogin failed due to lack of HBA resources do not
+                * retry discovery.
+                */
+               if (mb->mbxStatus == MBXERR_RPI_FULL) {
+                       ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE;
+                       ndlp->nlp_state = NLP_STE_UNUSED_NODE;
+                       lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST);
+                       return ndlp->nlp_state;
+               }
+
                /* Put ndlp in npr list set plogi timer for 1 sec */
                mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1);
                spin_lock_irq(phba->host->host_lock);