diff options
| author | Quinn Tran <quinn.tran@cavium.com> | 2017-12-04 14:45:03 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-15 10:54:26 +0100 |
| commit | 4274e4a3bee9ea7010f411b6b6ae37cfcdcca7c4 (patch) | |
| tree | ef6155178712adb3cddfe0ab52ce6e8bdd0aae9f /drivers/scsi | |
| parent | 585f4ebd9e66a4fc78dd9893529ed9cb4759063f (diff) | |
scsi: qla2xxx: Fix login state machine stuck at GPDB
commit 414d9ff3f8039f85d23f619dcbbd1ba2628a1a67 upstream.
This patch returns discovery state machine back to Login Complete.
Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 36379b8174f3..6ac8ad9dcc81 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -864,6 +864,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) int rval = ea->rc; fc_port_t *fcport = ea->fcport; unsigned long flags; + u16 opt = ea->sp->u.iocb_cmd.u.mbx.out_mb[10]; fcport->flags &= ~FCF_ASYNC_SENT; @@ -894,7 +895,8 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) } spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); - ea->fcport->login_gen++; + if (opt != PDO_FORCE_ADISC) + ea->fcport->login_gen++; ea->fcport->deleted = 0; ea->fcport->logout_on_delete = 1; @@ -918,6 +920,13 @@ void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) qla24xx_post_gpsc_work(vha, fcport); } + } else if (ea->fcport->login_succ) { + /* + * We have an existing session. A late RSCN delivery + * must have triggered the session to be re-validate. + * session is still valid. + */ + fcport->disc_state = DSC_LOGIN_COMPLETE; } spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); } /* gpdb event */ |