qla2xxx: Fix missing device login retries.

On certain conditions, login failures will just invoke
qla2x00_mark_device_lost() with the intend to do login again;
but if login_retry has been set already, that would fail to set the
relogin needed flag which is required to wakeup the DPC to retry.

Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -3258,9 +3258,10 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
 	if (!do_login)
 		return;
 
+	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
+
 	if (fcport->login_retry == 0) {
 		fcport->login_retry = vha->hw->login_retry_count;
-		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 
 		ql_dbg(ql_dbg_disc, vha, 0x2067,
 		    "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",