4.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Quinn Tran <quinn.t...@cavium.com>
commit 414d9ff3f8039f85d23f619dcbbd1ba2628a1a67 upstream.
This patch returns discovery state machine back to Login Complete.
Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <sta...@vger.kernel.org> # 4.10+
Signed-off-by: Quinn Tran <quinn.t...@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madh...@cavium.com>
Reviewed-by: Hannes Reinecke <h...@suse.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/scsi/qla2xxx/qla_init.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -863,6 +863,7 @@ void qla24xx_handle_gpdb_event(scsi_qla_
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;
@@ -893,7 +894,8 @@ void qla24xx_handle_gpdb_event(scsi_qla_
}
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;
@@ -917,6 +919,13 @@ void qla24xx_handle_gpdb_event(scsi_qla_
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 */
