From: Quinn Tran <qutran@xxxxxxxxxxx> commit 8b5292bcfcacf15182a77a973a98d310e76fd58b upstream. Relogin fails to move forward due to scan_state flag indicating device is not there. Before relogin process, Session delete process accidently modified the scan_state flag. [mkp: typos plus corrected Fixes: sha as reported by sfr] Fixes: 2dee5521028c ("scsi: qla2xxx: Fix login state machine freeze") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Quinn Tran <qutran@xxxxxxxxxxx> Signed-off-by: Himanshu Madhani <hmadhani@xxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/scsi/qla2xxx/qla_init.c | 25 ++++++++++++++++++++----- drivers/scsi/qla2xxx/qla_os.c | 1 + drivers/scsi/qla2xxx/qla_target.c | 1 - 3 files changed, 21 insertions(+), 6 deletions(-) --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -289,8 +289,13 @@ qla2x00_async_login(struct scsi_qla_host struct srb_iocb *lio; int rval = QLA_FUNCTION_FAILED; - if (!vha->flags.online) - goto done; + if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) || + fcport->loop_id == FC_NO_LOOP_ID) { + ql_log(ql_log_warn, vha, 0xffff, + "%s: %8phC - not sending command.\n", + __func__, fcport->port_name); + return rval; + } sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) @@ -1262,8 +1267,13 @@ int qla24xx_async_gpdb(struct scsi_qla_h struct port_database_24xx *pd; struct qla_hw_data *ha = vha->hw; - if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) + if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) || + fcport->loop_id == FC_NO_LOOP_ID) { + ql_log(ql_log_warn, vha, 0xffff, + "%s: %8phC - not sending command.\n", + __func__, fcport->port_name); return rval; + } fcport->disc_state = DSC_GPDB; @@ -1953,8 +1963,11 @@ qla24xx_handle_plogi_done_event(struct s return; } - if (fcport->disc_state == DSC_DELETE_PEND) + if ((fcport->disc_state == DSC_DELETE_PEND) || + (fcport->disc_state == DSC_DELETED)) { + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); return; + } if (ea->sp->gen2 != fcport->login_gen) { /* target side must have changed it. */ @@ -6699,8 +6712,10 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_ } /* Clear all async request states across all VPs. */ - list_for_each_entry(fcport, &vha->vp_fcports, list) + list_for_each_entry(fcport, &vha->vp_fcports, list) { fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); + fcport->scan_state = 0; + } spin_lock_irqsave(&ha->vport_slock, flags); list_for_each_entry(vp, &ha->vp_list, list) { atomic_inc(&vp->vref_count); --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -5087,6 +5087,7 @@ void qla24xx_create_new_sess(struct scsi if (fcport) { fcport->id_changed = 1; fcport->scan_state = QLA_FCPORT_FOUND; + fcport->chip_reset = vha->hw->base_qpair->chip_reset; memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE); if (pla) { --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1209,7 +1209,6 @@ static void qla24xx_chk_fcp_state(struct sess->logout_on_delete = 0; sess->logo_ack_needed = 0; sess->fw_login_state = DSC_LS_PORT_UNAVAIL; - sess->scan_state = 0; } }