From 341ef8cf2c1412e8a757aba4ed3607694e5f3b49 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 26 Dec 2019 00:35:23 +0000
Subject: [PATCH] qla2x00t-32gbit: Send Notify ACK after N2N PLOGI

qlt_handle_login schedules session for deletion even if a login is in
progress. That causes login bouncing, i.e. a few logins are made before it
settles down.

Complete the first login by sending Notify Acknowledge IOCB via
qlt_plogi_ack_unref if the session is pending login completion.

Fixes: 9cd883f07a54 ("scsi: qla2xxx: Fix session cleanup for N2N")
Cc: Krishna Kant <krishna.kant@purestorage.com>
Cc: Alexei Potashnik <alexei@purestorage.com>
Link: https://lore.kernel.org/r/20191125165702.1013-11-r.bolshakov@yadro.com
Acked-by: Quinn Tran <qutran@marvell.com>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Tested-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

[ commit 5e6b01d84b9d20bcd77fc7c4733a2a4149bf220a upstream ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8738 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 qla2x00t-32gbit/qla_target.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/qla2x00t-32gbit/qla_target.c b/qla2x00t-32gbit/qla_target.c
index 05b774a1b..2538530fa 100644
--- a/qla2x00t-32gbit/qla_target.c
+++ b/qla2x00t-32gbit/qla_target.c
@@ -4863,6 +4863,7 @@ static int qlt_handle_login(struct scsi_qla_host *vha,
 
 	switch (sess->disc_state) {
 	case DSC_DELETED:
+	case DSC_LOGIN_PEND:
 		qlt_plogi_ack_unref(vha, pla);
 		break;