From: Arun Easi <aeasi@marvell.com>
Date: Wed, 2 Dec 2020 13:23:11 +0000 (-0800)
Subject: scsi: qla2xxx: Fix device loss on 4G and older HBAs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=abd9cae9bbae9f3a80dae82587b1f79161ad7836;p=linux.git

scsi: qla2xxx: Fix device loss on 4G and older HBAs

Due to a bug in the older scan logic, when a once lost device re-appeared,
it was not discovered. Fix this by resetting login_retry counter upon
device discovery.

This is applicable only for 4G and older HBAs.

Link: https://lore.kernel.org/r/20201202132312.19966-15-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 12e3b05baf417..dcc0f0d823db3 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5982,6 +5982,9 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
 				break;
 			}
 
+			if (fcport->login_retry == 0)
+				fcport->login_retry =
+					vha->hw->login_retry_count;
 			/*
 			 * If device was not a fabric device before.
 			 */