From: Sawan Chandak <schandak@marvell.com>
Date: Thu, 24 Jan 2019 23:23:48 -0800
Subject: scsi: qla2xxx: Restore FAWWPN of Physical Port only for loop down
Patch-mainline: v5.1-rc1
Git-commit: dcbf8f8087ebc4d721fd55c4c2072f1a97f6ef6d
References: bsc#1123034 bsc#1124541 bsc#1131304 bsc#1127988

When loop was made down explicitly due to cable pull, then for N2N toplogy,
if FAWWPN BIT is enabled by user, then it would restore some default
(garbage) value for Physical port WWPN, so this show garbage WWPN for the
port. Fix is, to restore physical port WWPN, if it is fabric
configuration. When loop is explicitly made down, and FAWWPN feature is
enabled, then driver need to restore original flashed WWPN.

Signed-off-by: Sawan Chandak <schandak@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
 drivers/scsi/qla2xxx/qla_isr.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -834,7 +834,8 @@ skip_rio:
 			 * Restore for Physical Port only
 			 */
 			if (!vha->vp_idx) {
-				if (ha->flags.fawwpn_enabled) {
+				if (ha->flags.fawwpn_enabled &&
+				    (ha->current_topology == ISP_CFG_F)) {
 					void *wwpn = ha->init_cb->port_name;
 					memcpy(vha->port_name, wwpn, WWN_SIZE);
 					fc_host_port_name(vha->host) =