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 12e3b05baf417fd4529f8accee2f223d4645d728..dcc0f0d823db3e157222dbf099ff321e42a032e4 100644 (file)
--- 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.
                         */