From: James Smart <jsmart2021@gmail.com>
Date: Tue, 21 Nov 2017 00:00:37 +0000 (-0800)
Subject: scsi: lpfc: Fix ndlp ref count for pt2pt mode issue RSCN
X-Git-Tag: v4.1.12-124.31.3~991
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0ea2edbaf2aade06684c6a05cd15342ffd818e5d;p=users%2Fjedix%2Flinux-maple.git

scsi: lpfc: Fix ndlp ref count for pt2pt mode issue RSCN

Orabug: 27631736

pt2pt ndlp ref count prematurely goes to 0. There was reference removed
that should only be removed if connected to a switch, not if in
point-to-point mode.

Add a mode check before the reference remove.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit b7e50c536e8e4c6d4c74a1d54a0ce33edbf9dd0a)
Signed-off-by: Dick dkennedy <dick.kennedy@broadcom.com>
Signed-off-by: Dan Duval <dan.duval@oracle.com>
Reviewed-by: Jack Vogel <jack.vogel@oracle.com>
---

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 064925b918df..465a7a592344 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -2804,8 +2804,8 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry)
 	/* This will cause the callback-function lpfc_cmpl_els_cmd to
 	 * trigger the release of node.
 	 */
-
-	lpfc_nlp_put(ndlp);
+	if (!(vport->fc_flag & FC_PT2PT))
+		lpfc_nlp_put(ndlp);
 	return 0;
 }