scsi: libfc: Do not drop down to FLOGI for fc_rport_login()

When fc_rport_login() is called while the rport is not
in RPORT_ST_INIT, RPORT_ST_READY, or RPORT_ST_DELETE
login is already in progress and there's no need to
drop down to FLOGI; doing so will only confuse the
other side.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index ff33ae6..4e4087a 100644 (file)
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -427,10 +427,14 @@ static int fc_rport_login(struct fc_rport_priv *rdata)
        case RPORT_ST_DELETE:
                FC_RPORT_DBG(rdata, "Restart deleted port\n");
                break;
-       default:
+       case RPORT_ST_INIT:
                FC_RPORT_DBG(rdata, "Login to port\n");
                fc_rport_enter_flogi(rdata);
                break;
+       default:
+               FC_RPORT_DBG(rdata, "Login in progress, state %s\n",
+                            fc_rport_state(rdata));
+               break;
        }
        mutex_unlock(&rdata->rp_mutex);